[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Utut Adianto"]
[Black "Rodas Maritni, Pablo"]
[Result "1/2-1/2"]
[ECO "E68"]
[EventDate "1980.08.17"]
[PlyCount "161"]

1.c4 Nf6 2.Nc3 g6 3.Nf3 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O e5 7.d4 Nbd7 8.e4 c6 
9.Re1 a5 10.b3 exd4 11.Nxd4 Nc5 12.Ba3 Nfd7 13.Nde2 Ne5 14.Qd2 Ncd3 15.Rf1
Bh3 16.Qe3 Bxg2 17.Kxg2 Nb4 18.Rad1 Qe7 19.Bb2 f5 20.exf5 gxf5 21.a3 Na6 
22.f4 Bh6 23.Rfe1 Rae8 24.h3 Nc5 25.Qd4 Nf7 26.Nc1 Qc7 27.Qf6 Qd7 28.Qd4 
Bg7 29.Qf2 Rxe1 30.Rxe1 Re8 31.b4 axb4 32.axb4 Rxe1 33.Qxe1 Ne4 34.Nxe4 
Bxb2 35.Nc3 Bxc1 36.Qxc1 Qe6 37.Qf1 Qe3 38.Nb1 Nd8 39.b5 Qe4+ 40.Kg1 Qd4+ 
41.Kg2 Qb2+ 42.Kh1 cxb5 43.cxb5 Qb3 44.Kh2 Qc2+ 45.Kh1 Ne6 46.Qe1 Kf7 47.
Nc3 Qd3 48.Ne2 Qe4+ 49.Kg1 Nd4 50.Kf1 Qf3+ 51.Qf2 Qxf2+ 52.Kxf2 Nxb5 53.g4
Kf6 54.Ke3 Nc7 55.Nd4 Nd5+ 56.Kf3 fxg4+ 57.hxg4 Nc3 58.Ke3 b5 59.Kd3 Nd5 
60.Nxb5 Nxf4+ 61.Ke4 Kg5 62.Nxd6 Kxg4 63.Nf5 Nh3 64.Nh6+ Kg5 65.Nf7+ Kf6 
66.Nh6 Kg6 67.Ng4 h5 68.Kf3 Kg5 69.Nf2 Ng1+ 70.Kg2 Ne2 71.Kf3 Nd4+ 72.Kg2 
h4 73.Nh3+ Kh5 74.Nf2 Nf5 75.Kf3 Nh6 76.Kg2 Kg5 77.Nh3+ Kh5 78.Nf2 Nf7 79.
Nh3 Kg4 80.Nf2+ Kf4 81.Kh3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Akesson, Ralf"]
[Black "Tovillas, Daniel"]
[Result "1-0"]
[WhiteElo "2230"]
[ECO "A05"]
[EventDate "1980.08.17"]
[PlyCount "53"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O c5 5.d3 g6 6.e4 d6 7.Nc3 Bg7 8.Nh4 Nc6 
9.f4 Nd7 10.Be3 O-O 11.Qd2 a6 12.f5 Nce5 13.Bh6 b5 14.Bxg7 Kxg7 15.Nd5 
Bxd5 16.exd5 h6 17.fxg6 fxg6 18.Be4 Qb6 19.c3 Nf6 20.Bxg6 Nxg6 21.Nf5+ Kf7
22.Qxh6 Rg8 23.Rae1 Ra7 24.Nxe7 Rxe7 25.Rxf6+ Ke8 26.Rxe7+ Nxe7 27.Rxd6 
1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Arnason, Jon"]
[Black "Cauchy, Daniel"]
[Result "1-0"]
[WhiteElo "2435"]
[ECO "B42"]
[EventDate "1980.08.17"]
[PlyCount "35"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nc6 6.Nxc6 dxc6 7.f4 Bc5 8.Qf3 
Ne7 9.Nc3 b5 10.Bd2 Bb7 11.O-O-O Qc7 12.Ne2 b4 13.Bc4 Bc8 14.g4 a5 15.f5 
e5 16.f6 gxf6 17.Qxf6 Ng6 18.Bg5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Atalik, Suat"]
[Black "Allen, Keith"]
[Result "1/2-1/2"]
[ECO "E18"]
[EventDate "1980.08.17"]
[PlyCount "37"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Bd2 Bf6
9.Rc1 d6 10.d5 Nxd2 11.Qxd2 e5 12.e4 a5 13.Ne1 Bg5 14.f4 Bh6 15.Nd3 Nd7 
16.Qe2 Qe7 17.Rce1 g6 18.f5 a4 19.Qc2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Barua, Dibyendu"]
[Black "Obando, Arnoldo"]
[Result "0-1"]
[ECO "C53"]
[EventDate "1980.08.17"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Bb6 5.d4 Qe7 6.O-O d6 7.h3 Nf6 8.Re1 h6 
9.a4 a5 10.Na3 O-O 11.d5 Nb8 12.Nc2 Nbd7 13.b4 Rd8 14.Nh4 Nf8 15.Be3 Nxe4 
16.Bxb6 Qxh4 17.Qd3 cxb6 18.Rxe4 Qg5 19.Re2 Ng6 20.Qg3 Nf4 21.Re3 Bf5 22.
Na3 axb4 23.cxb4 Rxa4 24.Rb3 Rda8 25.h4 Qf6 26.Re1 Ng6 27.Bb5 R4a7 28.Nc4 
Ra1 29.Re3 Qd8 30.h5 Nf4 31.Qf3 Nd3 32.Qxf5 Nxe1 33.Kh2 Rc1 34.Nd2 Qh4+ 
35.Rh3 Qxb4 36.Ne4 Qxb5 37.Rg3 Qf1 38.Nf6+ Kf8 39.Nh7+ Ke7 40.Rxg7 Qh1+ 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Bates, Giles"]
[Black "Hansen, Curt"]
[Result "1/2-1/2"]
[ECO "E18"]
[EventDate "1980.08.17"]
[PlyCount "83"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O e6 5.c4 Be7 6.Nc3 O-O 7.d4 d5 8.Ne5 Na6 
9.Bg5 c5 10.e3 h6 11.Bxf6 Bxf6 12.Qh5 cxd4 13.exd4 Nc7 14.Rac1 Rb8 15.cxd5
Nxd5 16.Nxd5 Bxd5 17.Bxd5 Qxd5 18.Rc7 Bxe5 19.dxe5 Qxa2 20.Rd1 Qxb2 21.
Rdd7 Qb1+ 22.Kg2 Qf5 23.Qxf5 exf5 24.Rxa7 b5 25.e6 g6 26.e7 Rfe8 27.Rab7 
Rxb7 28.Rxb7 Kg7 29.Kf3 f6 30.Rxb5 Rxe7 31.Ra5 h5 32.h4 Re5 33.Ra7+ Kh6 
34.Rf7 Re6 35.Kf4 Ra6 36.Kf3 Ra3+ 37.Kg2 Ra6 38.Kf3 Rb6 39.Kf4 Rc6 40.Kf3 
g5 41.hxg5+ Kxg5 42.Rg7+ 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Belkhodja, Slim"]
[Black "Negulescu, Adrian"]
[Result "0-1"]
[BlackElo "2410"]
[ECO "B61"]
[EventDate "1980.08.17"]
[PlyCount "104"]

1.e4 c5 2.Nf3 d6 3.d4 Nf6 4.Nc3 cxd4 5.Nxd4 a6 6.Bg5 Nc6 7.Qd2 Bd7 8.O-O-O
b5 9.f3 e6 10.Nxc6 Bxc6 11.Bd3 Be7 12.Rhe1 O-O 13.e5 dxe5 14.Rxe5 b4 15.
Ne2 Nd7 16.Bxe7 Qxe7 17.Rh5 Nf6 18.Qg5 Rfe8 19.Rh4 Bb5 20.Nf4 Bxd3 21.Rxd3
Rac8 22.Nh5 Nxh5 23.Qxe7 Rxe7 24.Rxh5 Rec7 25.Rd2 f5 26.Rh4 a5 27.Rhd4 Kf7
28.f4 Kf6 29.Rd6 Rc6 30.Kd1 h6 31.Rxc6 Rxc6 32.Ke2 g5 33.g3 e5 34.fxe5+ 
Kxe5 35.Kf3 g4+ 36.Ke3 h5 37.Re2 Rd6 38.c4 bxc3 39.bxc3 f4+ 40.gxf4+ Kf5 
41.Rb2 Re6+ 42.Kd4 h4 43.Kd5 g3 44.c4 Re1 45.c5 Rd1+ 46.Kc6 a4 47.hxg3 
hxg3 48.Kb7 a3 49.Rg2 Rb1+ 50.Ka7 Kxf4 51.c6 Rc1 52.Kb7 Kf3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Benjamin, Joel"]
[Black "Hadi, Jardak"]
[Result "1-0"]
[WhiteElo "2350"]
[ECO "C05"]
[EventDate "1980.08.17"]
[PlyCount "63"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 b6 8.a3 a5 9.
f4 Ba6 10.Bxa6 Rxa6 11.Nf3 Be7 12.O-O g6 13.g4 h5 14.h3 b5 15.Be3 a4 16.
Qd3 c4 17.Qc2 hxg4 18.hxg4 Bf8 19.Kg2 Ne7 20.Rh1 Rxh1 21.Rxh1 Nb6 22.Rh7 
Ra7 23.Ng5 f5 24.exf6 Nf5 25.gxf5 Rxh7 26.fxg6 Rb7 27.g7 Qxf6 28.gxf8=Q+ 
Qxf8 29.Qg6+ Kd7 30.Nxe6 Qe7 31.f5 Rb8 32.Bg5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Borg, Geoffrey"]
[Black "Corral Blanco, Juan Antonio"]
[Result "1/2-1/2"]
[ECO "B59"]
[EventDate "1980.08.17"]
[PlyCount "53"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.Bg5 Nxe4 10.Nxe4 Bxg5 11.Nxd6 Nd4 12.Nxc8 Nxe2+ 13.Qxe2 Rxc8 14.c3 
Qc7 15.Rfd1 Rcd8 16.h3 f5 17.Rxd8 Rxd8 18.Rd1 g6 19.Rxd8+ Bxd8 20.Qd3 b6 
21.Qd5+ Kg7 22.f4 exf4 23.Nd4 Kf6 24.Qe6+ Kg5 25.Qg8 Kh5 26.Ne6 Qe7 27.
Nxd8 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Canda, Danilo"]
[Black "McNab, Colin Anderson"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "72"]

1.e4 g6 2.d4 d6 3.f4 Bg7 4.Nc3 Nc6 5.Be3 Nf6 6.Nf3 O-O 7.Be2 e5 8.fxe5 
dxe5 9.d5 Ne7 10.Nd2 c6 11.dxc6 Nxc6 12.Bc5 Re8 13.Nb3 Bd7 14.O-O b6 15.
Bf2 Be6 16.Bh4 Qxd1 17.Raxd1 Ng4 18.Bb5 Rec8 19.Nd5 Bxd5 20.exd5 Nd8 21.
Rde1 Rxc2 22.Rc1 Rxc1 23.Rxc1 Bh6 24.Rc7 Be3+ 25.Kf1 Bf4 26.Ke2 g5 27.Be1 
Bxh2 28.g3 Nf6 29.d6 Ne6 30.Rb7 Ne4 31.d7 Nd6 32.Bc6 Nxb7 33.Bxb7 Rd8 34.
Bc6 Bg1 35.Bb4 Bc5 36.Nxc5 Nd4+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Damljanovic, Branko"]
[Black "Short, Nigel David"]
[Result "0-1"]
[WhiteElo "2335"]
[BlackElo "2360"]
[ECO "C05"]
[EventDate "1980.08.17"]
[PlyCount "110"]

1.d4 e6 2.e4 d5 3.Nd2 Nf6 4.e5 Ne4 5.Bd3 Nxd2 6.Bxd2 c5 7.c3 Nc6 8.Nf3 
cxd4 9.cxd4 Be7 10.O-O Bd7 11.Be3 Qb6 12.Qd2 a5 13.Rac1 a4 14.h4 h6 15.h5 
Qa5 16.Qe2 Nb4 17.Bd2 Qb6 18.Bxb4 Qxb4 19.Rc2 Bd8 20.Rc5 Ra5 21.a3 Qb6 22.
Rfc1 Qa7 23.Rxa5 Qxa5 24.Rc5 Qb6 25.Bb5 Be7 26.Rc8+ Bd8 27.Rc5 Be7 28.Rc8+
Bd8 29.Bxd7+ Kxd7 30.Qc2 Qa7 31.g3 Re8 32.Kg2 Qa6 33.Kg1 Rh8 34.Kg2 b5 35.
Rc5 Bb6 36.Rc3 Ba5 37.b4 axb3 38.Rxb3 Qb6 39.Qd3 Kc6 40.Rb1 Qb7 41.Rc1+ 
Kb6 42.a4 Qd7 43.Qb3 Ka6 44.axb5+ Qxb5 45.Qa3 Qb4 46.Qd3+ Qb5 47.Rc6+ Bb6 
48.Qa3+ Kb7 49.Rc2 Qd7 50.Ra2 Qc6 51.Qa6+ Kc7 52.Ne1 Kd7 53.Nc2 Bc7 54.Qa3
Rc8 55.Nb4 Qb5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Danailov, Silvio"]
[Black "Hjorth, Gregory"]
[Result "1-0"]
[WhiteElo "2295"]
[ECO "C63"]
[EventDate "1980.08.17"]
[PlyCount "61"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 Nd4 5.O-O Nxb5 6.Nxb5 Nf6 7.d4 Be7 8.dxe5
Nxe4 9.Nfd4 d5 10.exd6 Nxd6 11.Qh5+ g6 12.Qh6 Bf6 13.Bf4 a6 14.Nxd6+ cxd6 
15.Rad1 Kf7 16.Nf3 Qf8 17.Ng5+ Kg8 18.Qh3 h6 19.Qb3+ Kg7 20.Nf3 Qf7 21.Qb6
Rd8 22.Bxd6 Re8 23.Rfe1 Be6 24.Be5 Re7 25.Bxf6+ Qxf6 26.Rd6 Rae8 27.h3 Qf7
28.Ne5 Qf6 29.Nd3 g5 30.Nc5 Kf7 31.Nxb7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Fasheyitan, Olufemi"]
[Black "Grant, Conrad"]
[Result "1-0"]
[ECO "A49"]
[EventDate "1980.08.17"]
[PlyCount "55"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d6 6.Nbd2 Nbd7 7.e4 c5 8.e5 
dxe5 9.dxe5 Ng4 10.e6 Nde5 11.exf7+ Rxf7 12.Ng5 Rf8 13.Nde4 Bf5 14.Qxd8 
Raxd8 15.Nxc5 Rc8 16.Nce6 Bxe6 17.Nxe6 Rf7 18.Nxg7 Kxg7 19.f4 Nc4 20.Bxb7 
Rc7 21.Bd5 Rf6 22.Re1 e5 23.b3 Nb6 24.Bf3 Nh6 25.c4 Kg8 26.Rxe5 Nf5 27.Ba3
Kf7 28.c5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Fowler, Jim"]
[Black "Shrentzel, Mordechai"]
[Result "0-1"]
[ECO "C00"]
[EventDate "1980.08.17"]
[PlyCount "60"]

1.e4 e6 2.Nc3 d5 3.exd5 exd5 4.Nf3 Nf6 5.d3 c6 6.g3 Bb4 7.Bd2 O-O 8.Bg2 
Re8+ 9.Ne2 Qe7 10.c3 Bd6 11.Bg5 Na6 12.Bxf6 Qxf6 13.O-O Bg4 14.Ned4 Nc5 
15.Qd2 Bh5 16.b4 Ne6 17.Nxe6 Rxe6 18.Nd4 Re7 19.a3 Be5 20.Rae1 Rae8 21.Ne2
Bxe2 22.Rxe2 Bxc3 23.Rxe7 Rxe7 24.Qd1 g6 25.b5 Qd4 26.bxc6 bxc6 27.Qc2 Kg7
28.h3 Re1 29.Rxe1 Bxe1 30.Qe2 Ba5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Gerbert, Philipp"]
[Black "Yoshida, Tetsuo"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1980.08.17"]
[PlyCount "89"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 b6 5.g3 dxe4 6.dxe4 Bb7 7.Qe2 Be7 8.Bg2 
O-O 9.O-O Nbd7 10.e5 Nd5 11.a3 c5 12.c4 Nc7 13.Ne4 h6 14.h4 f5 15.exf6 
Nxf6 16.Rd1 Qe8 17.Ne5 Nxe4 18.Bxe4 Bxe4 19.Qxe4 Rd8 20.Bf4 Qh5 21.Nd7 Qg4
22.f3 Rxf4 23.Qxf4 Qxf4 24.gxf4 Bxh4 25.Ne5 Ne8 26.Rxd8 Bxd8 27.Rd1 Bf6 
28.Rd7 a5 29.b3 Kh7 30.Kg2 h5 31.Rb7 Nd6 32.Rxb6 Nf5 33.Rxe6 Nd4 34.Rb6 
Ne2 35.Nd3 Bd4 36.Ra6 Be3 37.Rxa5 Kg6 38.Nxc5 Nxf4+ 39.Kh2 h4 40.Ne4 Kh6 
41.c5 Ne2 42.c6 g5 43.Nxg5 Nc1 44.Ne4 Nxb3 45.Ra7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Karolyi, Tibor"]
[Black "Zuger, Beat"]
[Result "0-1"]
[WhiteElo "2300"]
[BlackElo "2235"]
[ECO "B56"]
[EventDate "1980.08.17"]
[PlyCount "52"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.f4 e5 7.Nf3 Be7 8.Bc4 
O-O 9.f5 Qb6 10.Qe2 Nd4 11.Nxd4 exd4 12.Nd5 Nxd5 13.Bxd5 Bd7 14.Qf2 Bc6 
15.Bxc6 Qxc6 16.Qxd4 Bh4+ 17.Kd1 Rfe8 18.Qd5 Qxd5+ 19.exd5 Re5 20.c4 b5 
21.cxb5 Rxd5+ 22.Kc2 Rc8+ 23.Kb1 Rxb5 24.Rf1 Bf6 25.Rf2 Rbc5 26.Be3 Bd4 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Kasparov, Garry"]
[Black "Cuijpers, Franciscus"]
[Result "1-0"]
[WhiteElo "2595"]
[ECO "A67"]
[EventDate "1980.08.17"]
[PlyCount "55"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ Nfd7
9.a4 O-O 10.Nf3 a6 11.Be2 Nf6 12.O-O Qc7 13.e5 Ne8 14.e6 fxe6 15.Bc4 Qe7 
16.dxe6 Nc6 17.f5 Nc7 18.Bg5 Bf6 19.Ne4 Bxg5 20.Nfxg5 gxf5 21.Nxd6 Nd4 22.
Qh5 Bxe6 23.Rae1 Rf6 24.Nxf5 Nxf5 25.Nxe6 Nxe6 26.Rxe6 Rxe6 27.Qxf5 Re8 
28.Re1 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Kaspret, Guido"]
[Black "Morovic Fernandez, Ivan"]
[Result "1-0"]
[BlackElo "2380"]
[ECO "E81"]
[EventDate "1980.08.17"]
[PlyCount "121"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nbd7 7.Nge2 c5 8.Qd2 a6 
9.h4 h5 10.dxc5 dxc5 11.O-O-O Qa5 12.Kb1 Ne5 13.Nf4 e6 14.Be2 b5 15.Ncd5 
Qxd2 16.Nxf6+ Bxf6 17.Rxd2 bxc4 18.Bxc5 Re8 19.Bd4 Bb7 20.g3 Nxf3 21.Bxf3 
Bxd4 22.Rxd4 e5 23.Rd7 Bc8 24.Nd5 Bxd7 25.Nf6+ Kg7 26.Nxd7 Rad8 27.Nc5 Rd2
28.Rc1 Rf2 29.Bd1 Rb8 30.Bc2 Rd8 31.Nxa6 Rg2 32.Nb4 Rxg3 33.Nc6 Rc8 34.
Nxe5 Rc7 35.Rf1 Rh3 36.Nf3 Rg3 37.e5 Re7 38.a4 Rg4 39.Re1 Rg3 40.Re3 Re6 
41.Bd1 f6 42.Rc3 Rg4 43.Be2 fxe5 44.Ng5 Rg1+ 45.Ka2 Rc6 46.a5 Ra6 47.Ra3 
Rc1 48.Ra4 Rc6 49.Ne4 Rc2 50.Nc3 e4 51.a6 Rb6 52.Bxc4 Rbxb2+ 53.Ka3 Rb8 
54.Nb5 e3 55.a7 Rd8 56.Nd4 Rc3+ 57.Kb4 Rxd4 58.Kxc3 e2 59.Kc2 e1=Q 60.a8=Q
Qf2+ 61.Kc3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Lasar, Yves"]
[Black "Morales Moreno, Humberto"]
[Result "0-1"]
[ECO "E53"]
[EventDate "1980.08.17"]
[PlyCount "66"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.a3 cxd4 8.exd4 
Bxc3+ 9.bxc3 dxc4 10.Bxc4 Qc7 11.Qd3 Nbd7 12.Bg5 Rd8 13.O-O Nc5 14.Qc2 
Nce4 15.Bxf6 Nxf6 16.Bd3 b6 17.Ng5 h6 18.Ne4 Nd5 19.Rfc1 Bb7 20.Qd2 Rac8 
21.Rc2 Nf4 22.f3 e5 23.Rac1 Qe7 24.a4 Nxd3 25.Qxd3 Qa3 26.Qe3 exd4 27.Qf4 
Bxe4 28.fxe4 Rxc3 29.Rxc3 dxc3 30.Rf1 Qc5+ 31.Kh1 c2 32.Qc1 Qc4 33.e5 
Qxf1+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Long, Peter"]
[Black "Lima, Darcy"]
[Result "0-1"]
[ECO "A14"]
[EventDate "1980.08.17"]
[PlyCount "58"]

1.Nf3 Nf6 2.b3 b6 3.Bb2 Bb7 4.g3 e6 5.Bg2 Be7 6.c4 O-O 7.O-O d5 8.cxd5 
exd5 9.d3 Nbd7 10.Nbd2 Re8 11.Qc2 Bf8 12.Rfe1 c5 13.e3 Rc8 14.Rac1 b5 15.
Qb1 Rc7 16.e4 d4 17.b4 cxb4 18.Bxd4 Nc5 19.Bxc5 Rxc5 20.Rxc5 Bxc5 21.d4 
Bxd4 22.Qxb4 Bb6 23.Qxb5 Qc8 24.Nc4 Bxf2+ 25.Kxf2 Ba6 26.Qf5 Qxc4 27.Ng5 
Qd4+ 28.Re3 Qd2+ 29.Kf3 Qd1+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Lirindzakis, Stayros"]
[Black "Pajak, Jan"]
[Result "0-1"]
[ECO "D98"]
[EventDate "1980.08.17"]
[PlyCount "74"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 d5 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 
Nfd7 9.Be2 Nb6 10.Qd3 Nc6 11.Rd1 Qd7 12.Qb5 Rfd8 13.d5 Bxf3 14.gxf3 Ne5 
15.Qxd7 Nexd7 16.f4 Nf8 17.h4 e6 18.dxe6 Nxe6 19.h5 Rxd1+ 20.Kxd1 Bd4 21.
hxg6 hxg6 22.Kc2 Bxe3 23.fxe3 Kg7 24.e5 Rd8 25.b4 c6 26.a4 Nc7 27.Rh3 Nbd5
28.b5 Nxc3 29.Kxc3 Nd5+ 30.Kc4 Nb6+ 31.Kb3 Rd2 32.Bc4 cxb5 33.axb5 Rd1 34.
Rh2 Rb1+ 35.Kc2 Rb4 36.Bd3 Na4 37.Rf2 Rb2+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Santo-Roman, Marc"]
[Black "Stigar, Petter"]
[Result "1-0"]
[WhiteElo "2205"]
[ECO "B07"]
[EventDate "1980.08.17"]
[PlyCount "97"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 c6 5.Qd2 Nf6 6.Bh6 Bxh6 7.Qxh6 Qa5 8.Bd3 
Nbd7 9.Nf3 Qh5 10.Qd2 O-O 11.O-O-O b5 12.Ne2 Qg4 13.h3 Qe6 14.d5 Nxd5 15.
Ned4 Qf6 16.exd5 c5 17.Nxb5 Rb8 18.c4 Nb6 19.Nc3 Ba6 20.b3 e6 21.dxe6 fxe6
22.Bb1 Bb7 23.Ne4 Bxe4 24.Bxe4 Nxc4 25.Qe2 Qc3+ 26.Qc2 Qa1+ 27.Qb1 Qc3+ 
28.Qc2 Qa1+ 29.Qb1 Qc3+ 30.Bc2 Qa5 31.Qa1 Qa3+ 32.Kb1 Qb4 33.Kc1 Qa3+ 34.
Kb1 Qb4 35.Rhe1 d5 36.Rxe6 d4 37.Kc1 Nb6 38.Re2 Nd5 39.a3 Qa5 40.Rdd2 Nf4 
41.Re5 Qc7 42.b4 cxb4 43.Qxd4 b3 44.Rc5 Qe7 45.Be4 Rbc8 46.Qc4+ Qe6 47.
Qxe6+ Nxe6 48.Rxc8 Rxc8+ 49.Kb2 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Sequeira, Fernando"]
[Black "Ye Rongguang"]
[Result "1/2-1/2"]
[ECO "C42"]
[EventDate "1980.08.17"]
[PlyCount "49"]

1.e4 e5 2.Nf3 Nf6 3.Bc4 Nxe4 4.Qe2 d5 5.O-O Be7 6.Nxe5 O-O 7.Bb3 Bf5 8.Ng4
Bxg4 9.Qxg4 Nc5 10.d4 Nxb3 11.axb3 Qd7 12.Qxd7 Nxd7 13.Be3 Rfe8 14.Nc3 c6 
15.Ra2 h6 16.Rfa1 a6 17.Kf1 Nb6 18.Rd1 Bg5 19.Bxg5 hxg5 20.h3 Re6 21.Re1 
Rae8 22.Raa1 Kf8 23.Rxe6 Rxe6 24.Re1 Ke7 25.Re2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Tassi, Oliviero"]
[Black "Guerra Osio, Jose Luis"]
[Result "0-1"]
[ECO "A13"]
[EventDate "1980.08.17"]
[PlyCount "72"]

1.c4 e6 2.Nf3 b6 3.Nc3 Bb7 4.e4 Bb4 5.Bd3 Na6 6.Bc2 d6 7.d4 Nf6 8.O-O Bxc3
9.bxc3 Nd7 10.Bg5 Qc8 11.Bf4 e5 12.dxe5 dxe5 13.Nxe5 Nxe5 14.Bxe5 O-O 15.
Qh5 Qe6 16.f4 Rad8 17.Bxg7 Kxg7 18.f5 Qc6 19.Rf3 Rg8 20.Ba4 Qc5+ 21.Kh1 h6
22.Rg3+ Kh7 23.Qxf7+ Kh8 24.Qf6+ Kh7 25.Rh3 Qf8 26.Qh4 Nc5 27.Bc2 Rd2 28.
Rc1 Rdxg2 29.Bb1 Qg7 30.Qe1 Nxe4 31.f6 Qg6 32.Rg3 Nxg3+ 33.hxg3 Rxg3+ 34.
Kh2 Rg2+ 35.Kh3 Bc8+ 36.Kh4 Rh2# 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Tavares, Shawn"]
[Black "Bischoff, Klaus"]
[Result "0-1"]
[ECO "B03"]
[EventDate "1980.08.17"]
[PlyCount "86"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.d4 d6 5.f4 g6 6.Nf3 dxe5 7.fxe5 Bg4 8.Be3 c5 
9.h3 Bxf3 10.gxf3 cxd4 11.Qxd4 Qxd4 12.Bxd4 Nc6 13.Bc3 Bh6 14.e6 O-O 15.
exf7+ Rxf7 16.Be2 Na4 17.Kf2 Raf8 18.Rf1 Nxc3 19.bxc3 Ne5 20.Kg2 Rc8 21.
Na3 Be3 22.Rad1 g5 23.Bd3 Bc5 24.Nc2 Nxd3 25.Rxd3 Bb6 26.Na3 Rf5 27.Re1 
Bc5 28.Nb1 Bd6 29.Nd2 Ra5 30.Ra1 Bf4 31.Nb3 Re5 32.Rd7 Rxc4 33.Rxb7 Rxc3 
34.Rf1 Be3 35.Na1 Bb6 36.Kg3 h5 37.h4 Rc4 38.hxg5 Rxg5+ 39.Kh3 Bc7 40.f4 
Bxf4 41.Rxe7 Rg3+ 42.Kh2 Rg7+ 43.Rxf4 Rxf4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Tempone, Marcelo"]
[Black "Balsinde Elias, Rolando"]
[Result "1/2-1/2"]
[WhiteElo "2235"]
[ECO "A13"]
[EventDate "1980.08.17"]
[PlyCount "104"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Nbd7 5.b3 Be7 6.Bb2 O-O 7.O-O Ne4 8.Qc2 
Bf6 9.d4 b6 10.cxd5 exd5 11.Qc6 Ba6 12.Qxd5 Ndc5 13.Qxd8 Raxd8 14.Re1 Rfe8
15.Na3 Nd6 16.Bf1 Nf5 17.Nc2 Bb7 18.Rac1 Bxf3 19.exf3 Ne6 20.Bh3 Nfxd4 21.
Bxd4 Nxd4 22.Rxe8+ Rxe8 23.Nxd4 Bxd4 24.Rxc7 a5 25.Kf1 Bc5 26.Bd7 Rd8 27.
Ke2 g5 28.Rb7 Kf8 29.h3 h6 30.Bb5 Rd6 31.Bc4 Rf6 32.Bd5 Rf5 33.Bc6 Re5+ 
34.Kf1 Re7 35.Rb8+ Kg7 36.Be4 Rd7 37.Ke2 Re7 38.g4 Rd7 39.Rc8 Bb4 40.Rc2 
Bc5 41.f4 Bd6 42.fxg5 hxg5 43.Rd2 Rd8 44.f4 Bc7 45.fxg5 Rxd2+ 46.Kxd2 Bf4+
47.Kd3 Bxg5 48.Kc4 Kh6 49.Kb5 Be3 50.h4 f6 51.Kc6 Bf2 52.a3 Bc5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Toro Sanchez, Bernardo"]
[Black "James, Stephen"]
[Result "1-0"]
[WhiteElo "2265"]
[ECO "A42"]
[EventDate "1980.08.17"]
[PlyCount "59"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 Nc6 5.Be3 e5 6.Nge2 f5 7.d5 Nce7 8.f3 Nf6 
9.h3 f4 10.Bf2 g5 11.Qd2 O-O 12.O-O-O Bd7 13.Kb1 Qb8 14.Nc1 Rd8 15.c5 Ng6 
16.cxd6 cxd6 17.Nd3 Ne7 18.a4 Rc8 19.Rc1 Rc7 20.Be2 Qe8 21.b3 b5 22.Nxb5 
Rxc1+ 23.Nxc1 Qb8 24.Qa5 Bxb5 25.Bxb5 h5 26.Na2 a6 27.Bc4 Ne8 28.Nb4 Nc7 
29.Rc1 Kh7 30.Bd3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Valkesalmi, Kimmo"]
[Black "Valiente, Cristobal"]
[Result "1/2-1/2"]
[ECO "B30"]
[EventDate "1980.08.17"]
[PlyCount "43"]

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 d5 5.Nbd2 Bd6 6.Bg2 d4 7.O-O e5 8.Nc4 Nge7 
9.Nh4 O-O 10.f4 Ng6 11.Nxd6 Qxd6 12.f5 Nxh4 13.gxh4 f6 14.Kh1 Bd7 15.Rg1 
Kh8 16.Bf3 Rg8 17.Bh5 Be8 18.Bg6 Qf8 19.Qh5 h6 20.Bxe8 Rxe8 21.Bd2 Ne7 22.
b3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "1"]
[White "Zabihi, Ali"]
[Black "Weider, Dariusz"]
[Result "1-0"]
[ECO "E19"]
[EventDate "1980.08.17"]
[PlyCount "139"]

1.Nf3 Nf6 2.c4 e6 3.d4 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 d6 10.b3 c5 11.Rd1 Nc6 12.Bb2 Bf6 13.Qc2 Nb4 14.Qd2 Rc8 15.a3 
Nc6 16.e4 Na5 17.Qc2 Qc7 18.dxc5 dxc5 19.Bxf6 gxf6 20.h4 Rfd8 21.Nh2 Nc6 
22.Ng4 Qe7 23.Rxd8+ Rxd8 24.Qc1 Ne5 25.Qf4 Nxg4 26.Qxg4+ Kh8 27.Rd1 Rd4 
28.Rxd4 cxd4 29.Qf4 e5 30.Qf3 Bc8 31.h5 Kg7 32.b4 Qd7 33.Qd3 Bb7 34.f3 Qa4
35.Bf1 a5 36.b5 Bc8 37.Be2 Be6 38.f4 Bxc4 39.Qxc4 Qxa3 40.Kg2 exf4 41.gxf4
Qe3 42.Qd3 Qxf4 43.Qxd4 Qg5+ 44.Kf2 Qf4+ 45.Bf3 Qh2+ 46.Kf1 Qf4 47.Ke2 
Qh2+ 48.Kd1 Qg3 49.Be2 Qb3+ 50.Kd2 a4 51.Bd3 a3 52.h6+ Kg6 53.e5+ f5 54.
Qxb6+ Kh5 55.Be2+ Kg5 56.Qd8+ Kf4 57.Qd4+ Kg5 58.Qc3 Qd5+ 59.Kc2 Qa2+ 60.
Kd1 Qd5+ 61.Kc1 Qe4 62.Bd1 Qf4+ 63.Kb1 Kxh6 64.Ka2 Qf1 65.Qb3 Qe1 66.b6 
Qxe5 67.b7 Qb8 68.Qxf7 Kg5 69.Qd7 f4 70.Qc8 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Balsinde Elias, Rolando"]
[Black "Valiente, Cristobal"]
[Result "0-1"]
[ECO "E61"]
[EventDate "1980.08.17"]
[PlyCount "64"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 O-O 5.h3 d6 6.Bf4 Nbd7 7.e3 Re8 8.Be2 c6 
9.O-O Qb6 10.Rb1 e5 11.Na4 Qc7 12.Bh2 Ne4 13.Bd3 f5 14.c5 d5 15.b4 a6 16.
Qc2 Qd8 17.Be2 g5 18.Bd3 h5 19.Bxe4 fxe4 20.Nxe5 Nxe5 21.Bxe5 Bxe5 22.dxe5
g4 23.hxg4 hxg4 24.g3 Rxe5 25.Rfd1 Qf6 26.Kf1 Rh5 27.Qe2 Be6 28.Re1 Rh2 
29.Rb2 Rf8 30.Rc2 Qh8 31.Nb2 Rhxf2+ 32.Qxf2 Qh1+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Bates, Giles"]
[Black "Utut Adianto"]
[Result "0-1"]
[ECO "D78"]
[EventDate "1980.08.17"]
[PlyCount "60"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.c4 c6 6.Nc3 d5 7.d4 dxc4 8.Bg5 Qb6
9.Na4 Qa5 10.Ne5 Nbd7 11.Bxf6 Nxf6 12.Nc5 Rd8 13.Nxc4 Qc7 14.e3 Nd7 15.
Nxd7 Bxd7 16.Rc1 e5 17.Nxe5 Bxe5 18.dxe5 Be6 19.Qa4 Qxe5 20.Qb4 Rd7 21.
Rce1 Bxa2 22.b3 Qb5 23.Qg4 Rad8 24.Rd1 h5 25.Qf3 Bxb3 26.Rb1 a5 27.g4 a4 
28.Bh3 Qg5 29.Kh1 hxg4 30.Bxg4 f5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Benjamin, Joel"]
[Black "Akesson, Ralf"]
[Result "1/2-1/2"]
[WhiteElo "2350"]
[BlackElo "2230"]
[ECO "B23"]
[EventDate "1980.08.17"]
[PlyCount "80"]

1.e4 c5 2.Nc3 Nc6 3.f4 e6 4.Nf3 d6 5.d4 cxd4 6.Nxd4 a6 7.Be3 Bd7 8.Qf3 
Nxd4 9.Bxd4 Ne7 10.Bd3 Nc6 11.Be3 Be7 12.O-O O-O 13.a4 Nb4 14.a5 Nxd3 15.
cxd3 Bc6 16.Bb6 Qd7 17.Bd4 f5 18.Qe3 Rae8 19.Ne2 Bf6 20.Bxf6 Rxf6 21.Rae1 
Qd8 22.b4 e5 23.Ng3 fxe4 24.dxe4 exf4 25.Rxf4 Rxf4 26.Qxf4 Rf8 27.Nf5 g6 
28.Qg3 Bxe4 29.Nh6+ Kg7 30.Rxe4 Qf6 31.h3 Kxh6 32.Qe3+ Kg7 33.Re6 Qf1+ 34.
Kh2 Qf4+ 35.Qxf4 Rxf4 36.b5 axb5 37.Rxd6 Ra4 38.Rd7+ Kh6 39.Rxb7 Rxa5 40.
h4 Ra4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Bischoff, Klaus"]
[Black "Danailov, Silvio"]
[Result "1/2-1/2"]
[BlackElo "2295"]
[ECO "B25"]
[EventDate "1980.08.17"]
[PlyCount "57"]

1.e4 c5 2.d3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nc3 d6 6.Rb1 e6 7.Bd2 Nge7 8.h4 h6 9.
Qc1 b6 10.a3 Bb7 11.Nf3 Qd7 12.O-O Nd4 13.Re1 Rc8 14.Ne2 h5 15.Be3 Nxf3+ 
16.Bxf3 O-O 17.Bh6 Kh7 18.Bxg7 Kxg7 19.Qe3 e5 20.Bg2 Rce8 21.c3 d5 22.d4 
cxd4 23.cxd4 dxe4 24.dxe5 Nf5 25.Qf4 Qb5 26.Bxe4 Bxe4 27.Qxe4 Qxe5 28.
Qxe5+ Rxe5 29.Nf4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Borg, Geoffrey"]
[Black "Atalik, Suat"]
[Result "1/2-1/2"]
[ECO "B02"]
[EventDate "1980.08.17"]
[PlyCount "24"]

1.e4 Nf6 2.Nc3 d5 3.exd5 Nxd5 4.Nxd5 Qxd5 5.Nf3 Bg4 6.Be2 Nc6 7.d4 O-O-O 
8.Be3 e5 9.O-O exd4 10.Nxd4 Bxe2 11.Nxe2 Qxd1 12.Rfxd1 Bd6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Canda, Danilo"]
[Black "Lirindzakis, Stayros"]
[Result "1/2-1/2"]
[ECO "C09"]
[EventDate "1980.08.17"]
[PlyCount "96"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.exd5 exd5 6.Bb5 Bd6 7.O-O Ne7 8.dxc5
Bxc5 9.Nb3 Bd6 10.Re1 Bg4 11.Qd4 Qd7 12.Qxg7 O-O-O 13.Rxe7 Bxe7 14.Bxc6 
bxc6 15.Ne5 Rhg8 16.Qxg8 Rxg8 17.Nxd7 Kxd7 18.Be3 Bf3 19.g3 a6 20.Bc5 Bf6 
21.c3 Re8 22.Bd4 Be7 23.Re1 Bd6 24.Rxe8 Kxe8 25.Kf1 Kd7 26.Ke1 Be4 27.Kd2 
Bb1 28.a3 Be4 29.Bc5 Be5 30.Bb4 Bd6 31.Bxd6 Kxd6 32.Ke3 c5 33.Nd2 Bc2 34.
b4 Kc6 35.g4 a5 36.bxc5 Kxc5 37.g5 Kb5 38.Kd4 Ka4 39.Kxd5 Kxa3 40.c4 Kb4 
41.c5 a4 42.c6 a3 43.Ne4 Ba4 44.c7 Bd7 45.Nc5 Bc8 46.Nd3+ Kc3 47.Nc1 Kb2 
48.Nd3+ Kc3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Corral Blanco, Juan Antonio"]
[Black "Allen, Keith"]
[Result "0-1"]
[ECO "E18"]
[EventDate "1980.08.17"]
[PlyCount "146"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Nxe4 
Bxe4 9.Ne1 Bxg2 10.Nxg2 d5 11.Qa4 Qd7 12.Qxd7 Nxd7 13.cxd5 exd5 14.Nf4 Nf6
15.Rd1 Rfd8 16.Bd2 c5 17.dxc5 bxc5 18.Ba5 Rd7 19.Rac1 Rb8 20.b3 h6 21.Bc3 
d4 22.Be1 Rb6 23.Nd3 Rd5 24.Rc2 g5 25.Nb2 Rb7 26.Nc4 Rbd7 27.Nb2 Kg7 28.
Nd3 Rb7 29.Rdc1 Nd7 30.Bd2 f5 31.Kf1 Kf7 32.Rd1 Nf6 33.f3 Rb6 34.Nb2 Rb7 
35.Rdc1 Nd7 36.Kf2 Rb6 37.Nc4 Re6 38.Re1 Ne5 39.Bc1 d3 40.Nxe5+ Rdxe5 41.
Rb2 c4 42.bxc4 Kf6 43.e3 Ba3 44.Rb5 Bxc1 45.Rxe5 Kxe5 46.Rxc1 Ra6 47.Ra1 
g4 48.c5 Kd5 49.a4 Kxc5 50.fxg4 fxg4 51.Ke1 Kb4 52.Kd2 Rxa4 53.Rb1+ Kc4 
54.Rc1+ Kd5 55.Kxd3 Ra3+ 56.Ke2 Ra2+ 57.Kd3 Ra3+ 58.Ke2 Ra2+ 59.Kd3 h5 60.
e4+ Kd6 61.Ke3 a5 62.Kf4 Rf2+ 63.Kg5 Rxh2 64.Ra1 Ke5 65.Ra4 Rh3 66.Kg6 
Rxg3 67.Kxh5 Kf4 68.e5+ Kf5 69.Kh6 Rh3+ 70.Kg7 Re3 71.Rxa5 Rxe5 72.Ra6 
Re7+ 73.Kh6 Re6+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Lima, Darcy"]
[Black "Shrentzel, Mordechai"]
[Result "1-0"]
[ECO "C03"]
[EventDate "1980.08.17"]
[PlyCount "63"]

1.e4 e6 2.d4 d5 3.Nd2 g6 4.Ngf3 Bg7 5.Bd3 Ne7 6.O-O O-O 7.c3 Nd7 8.exd5 
exd5 9.Re1 c5 10.Bc2 cxd4 11.Nxd4 Nc6 12.N2f3 Nxd4 13.Nxd4 Ne5 14.Bf4 Re8 
15.Bb3 Nc4 16.Nb5 Rxe1+ 17.Qxe1 Bf5 18.Rd1 Nxb2 19.Rxd5 Qf6 20.Qd2 Nd3 21.
Bg5 Qb6 22.Rxf5 Ne5 23.Rxe5 Bxe5 24.Qd5 Bg7 25.Nd6 Qc7 26.Nxf7 Rf8 27.Bd8 
Qf4 28.g3 Qc1+ 29.Kg2 h5 30.Be7 h4 31.Ng5+ Kh8 32.Bxf8 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Fasheyitan, Olufemi"]
[Black "Arnason, Jon"]
[Result "0-1"]
[BlackElo "2435"]
[ECO "A56"]
[EventDate "1980.08.17"]
[PlyCount "86"]

1.d4 Nf6 2.c4 c5 3.e3 g6 4.Nf3 Bg7 5.Bd3 O-O 6.Bd2 d5 7.Nc3 cxd4 8.Nxd4 e5
9.Nde2 Nc6 10.cxd5 Nxd5 11.O-O Ndb4 12.Bb1 Be6 13.a3 Nd3 14.Qc2 Nc5 15.Ba2
Bf5 16.e4 Nxe4 17.Nxe4 Bxe4 18.Qxe4 Qxd2 19.Rfd1 Qa5 20.Rd7 Qb5 21.Bc4 
Qxb2 22.Rb1 Qxa3 23.Rdxb7 Rac8 24.Bd5 Nd4 25.h4 Nf5 26.R7b3 Qe7 27.h5 Nd6 
28.Qg4 Rc5 29.Rd1 Rd8 30.hxg6 hxg6 31.Rg3 Ne8 32.Rgd3 Nf6 33.Qb4 Nxd5 34.
Qb3 Bf8 35.Ng3 e4 36.Rxd5 Rdxd5 37.Rxd5 Qe6 38.Nxe4 Rc1+ 39.Kh2 Qxe4 40.
Rd3 Qh4+ 41.Rh3 Qxf2 42.Qb8 Qg1+ 43.Kg3 Rc3+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Gerbert, Philipp"]
[Black "Kasparov, Garry"]
[Result "0-1"]
[BlackElo "2595"]
[ECO "B85"]
[EventDate "1980.08.17"]
[PlyCount "114"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Be7 7.O-O O-O 8.Be3 
a6 9.a4 Nc6 10.f4 Bd7 11.Kh1 Nxd4 12.Bxd4 Bc6 13.Bf3 Nd7 14.Qe2 Re8 15.e5 
Qc7 16.Bxc6 Qxc6 17.Ne4 d5 18.Ng5 Bxg5 19.fxg5 Rac8 20.c3 Qc4 21.Qh5 Re7 
22.b4 b6 23.Rf3 a5 24.b5 Qe2 25.Qh4 Qe4 26.Qxe4 dxe4 27.Re3 Nc5 28.Ra3 Rd7
29.Kg1 Rd5 30.Kf1 Nd7 31.Rxe4 Rc4 32.Re3 Nc5 33.Ke2 Nxa4 34.Kd3 Nb2+ 35.
Ke4 Rxb5 36.Re1 f6 37.gxf6 gxf6 38.Kf3 Nd3 39.Re3 Nxe5+ 40.Bxe5 Rxe5 41.
Rxe5 fxe5 42.Rb3 Kf7 43.Rxb6 Rxc3+ 44.Ke4 Kf6 45.Rb7 Rc4+ 46.Kf3 h5 47.Rh7
a4 48.Rh6+ Kg5 49.Rxe6 Kf5 50.Ra6 Rc3+ 51.Kf2 Ra3 52.Rh6 Kg5 53.Re6 Kf4 
54.g3+ Ke4 55.Rh6 Ra2+ 56.Kg1 a3 57.Rxh5 Rb2 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Grant, Conrad"]
[Black "Cauchy, Daniel"]
[Result "1/2-1/2"]
[ECO "B46"]
[EventDate "1980.08.17"]
[PlyCount "36"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Nc6 6.Bc4 Nf6 7.Bg5 Be7 8.Bb3 
Na5 9.f4 Nxb3 10.Nxb3 b5 11.Qd4 Bb7 12.O-O h6 13.Bh4 Qc7 14.Rad1 d5 15.e5 
Nd7 16.Bxe7 Kxe7 17.Rf3 Rac8 18.Rd2 g6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Guerra Osio, Jose Luis"]
[Black "Morales Moreno, Humberto"]
[Result "1-0"]
[ECO "B99"]
[EventDate "1980.08.17"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.Bd3 h6 11.Bh4 g5 12.e5 gxh4 13.exf6 Nxf6 14.f5 e5 15.Nde2 
Bd7 16.Be4 Bc6 17.Nd5 Nxd5 18.Bxd5 Bxd5 19.Rxd5 Bg5+ 20.Kb1 O-O-O 21.Rhd1 
Rd7 22.Nc3 Rhd8 23.R5d3 Kb8 24.Nd5 Qa5 25.Ra3 Qc5 26.Rc3 Qa5 27.b4 Qb5 28.
Qe4 a5 29.a3 a4 30.Rdd3 Rc8 31.Rxc8+ Kxc8 32.c4 Qc6 33.Rc3 Kb8 34.c5 dxc5 
35.Rxc5 Qd6 36.Qc2 Rd8 37.Ra5 Rc8 38.Qxa4 Rc1+ 39.Kb2 b6 40.Ra8+ Kb7 41.
Qa7+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Hansen, Curt"]
[Black "Rodas Maritni, Pablo"]
[Result "1-0"]
[ECO "C01"]
[EventDate "1980.08.17"]
[PlyCount "11"]

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Nf3 Bd6 5.c4 Ne7 6.c5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Hjorth, Gregory"]
[Black "Tavares, Shawn"]
[Result "1-0"]
[ECO "B20"]
[EventDate "1980.08.17"]
[PlyCount "73"]

1.e4 c5 2.b3 Nc6 3.Bb2 e5 4.f4 d6 5.Bc4 Qh4+ 6.g3 Qh6 7.Nc3 exf4 8.Nb5 Kd8
9.Qf3 Nf6 10.Ne2 a6 11.Nbc3 Ne5 12.Qxf4 g5 13.Qf2 Bh3 14.Ng1 Bg4 15.d4 
cxd4 16.Qxd4 Rc8 17.Qb6+ Rc7 18.Be2 Bxe2 19.Ngxe2 Nf3+ 20.Kf2 d5 21.Qa5 
Bc5+ 22.Kg2 Rg8 23.h3 Nh4+ 24.Kh2 Nf3+ 25.Kg2 Qh5 26.Raf1 Nh4+ 27.Kh2 Nxe4
28.g4 Qg6 29.Nxd5 Qd6+ 30.Nef4 b6 31.Qe1 Re8 32.Nxc7 gxf4 33.Nxe8 f3+ 34.
Nxd6 Bxd6+ 35.Kg1 Bc5+ 36.Rf2 Nxf2 37.Qxf2 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "James, Stephen"]
[Black "Sequeira, Fernando"]
[Result "1/2-1/2"]
[ECO "B25"]
[EventDate "1980.08.17"]
[PlyCount "39"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nge2 e6 7.O-O Nge7 8.Be3 O-O
9.Qd2 Re8 10.f4 Qa5 11.a3 Nd4 12.Rab1 Nec6 13.g4 a6 14.Ng3 Bd7 15.f5 Rab8 
16.Bh6 f6 17.fxe6 Bxe6 18.Bxg7 Kxg7 19.Qf4 Qd8 20.Rf2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Hadi, Jardak"]
[Black "Tovillas, Daniel"]
[Result "0-1"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "84"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3 e6 6.Na3 Bd7 7.Be2 cxd4 8.Nb5 
Rc8 9.Nbxd4 Nf6 10.O-O Bc5 11.Re1 O-O 12.Bd3 Nxd4 13.cxd4 Bd6 14.Bg5 Bc6 
15.Bxf6 gxf6 16.Re4 Kh8 17.Rh4 f5 18.Qd2 Rg8 19.Rh3 Rg6 20.Rc1 Rcg8 21.Bf1
Qe4 22.Kh1 Bf4 23.Qc3 Bxc1 24.d5+ f6 25.dxc6 Qxc6 26.Qxc6 bxc6 27.Nd4 Re8 
28.Nxc6 Bxb2 29.Nxa7 Ra8 30.Rb3 Be5 31.Ra3 Rg7 32.Nb5 Rxa3 33.Nxa3 Ra7 34.
Nc4 Rxa2 35.Nxe5 fxe5 36.Kg1 e4 37.g3 Kg7 38.h3 Kf6 39.Bc4 Rb2 40.Kf1 Ke5 
41.Ke1 Rb6 42.Ke2 Kd4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Long, Peter"]
[Black "Fowler, Jim"]
[Result "1/2-1/2"]
[ECO "C10"]
[EventDate "1980.08.17"]
[PlyCount "48"]

1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ Qxf6 6.Nf3 h6 7.Bd3 Bd6 8.
O-O O-O 9.Qe2 Nc6 10.Qe4 Qf5 11.Qh4 Be7 12.Qxe7 Nxe7 13.Bxf5 Nxf5 14.Bf4 
c6 15.g4 Ne7 16.Bd6 Re8 17.c4 f6 18.Rfe1 Ng6 19.h3 Rd8 20.Bc7 Rd7 21.Bg3 
Re7 22.Rad1 b6 23.Bd6 Rd7 24.Bg3 Re7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "McNab, Colin Anderson"]
[Black "Pajak, Jan"]
[Result "1-0"]
[ECO "A30"]
[EventDate "1980.08.17"]
[PlyCount "85"]

1.c4 c5 2.b3 Nc6 3.Bb2 Nf6 4.g3 e5 5.Bg2 d5 6.cxd5 Nxd5 7.Nf3 f6 8.O-O Be6
9.Nc3 Rc8 10.Qb1 g6 11.h4 b6 12.h5 Bf5 13.e4 Nxc3 14.dxc3 Bg4 15.Nh2 gxh5 
16.Qc2 Rc7 17.Nxg4 hxg4 18.Rad1 Qc8 19.Rd5 h5 20.Rfd1 Be7 21.Bf1 Kf7 22.
Bc4 Kg7 23.Qe2 Nb8 24.Bc1 Qe8 25.R5d2 Qc8 26.Kg2 a6 27.a4 Ra7 28.Rh1 Nc6 
29.Rdd1 Nd8 30.Rh2 Kg6 31.Rdh1 Bf8 32.f3 b5 33.axb5 axb5 34.Bxb5 gxf3+ 35.
Qxf3 Ra2+ 36.Be2 Qa6 37.Kf1 Rxe2 38.Qxe2 Qa1 39.Kg2 h4 40.Rxh4 Rxh4 41.
Rxh4 Kf7 42.Rh7+ Bg7 43.Bh6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Morovic Fernandez, Ivan"]
[Black "Belkhodja, Slim"]
[Result "1-0"]
[WhiteElo "2380"]
[ECO "A46"]
[EventDate "1980.08.17"]
[PlyCount "59"]

1.Nf3 Nf6 2.d4 e6 3.Bg5 Be7 4.Nbd2 d5 5.e3 O-O 6.Bd3 Nbd7 7.c3 c5 8.Ne5 h6
9.Bf4 Qb6 10.Rb1 Bd6 11.Bg3 cxd4 12.exd4 Bxe5 13.Bxe5 Nxe5 14.dxe5 Nd7 15.
Nf3 Nc5 16.O-O Bd7 17.Nd4 Rac8 18.Re1 a5 19.Bc2 a4 20.a3 Bb5 21.Re3 f5 22.
exf6 Rxf6 23.Qg4 Bc4 24.Rbe1 Rcf8 25.Rg3 Qc7 26.Rf3 e5 27.Rxf6 Rxf6 28.Qg3
Rf4 29.Nf5 Kf7 30.Qxg7+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Negulescu, Adrian"]
[Black "Kaspret, Guido"]
[Result "1-0"]
[WhiteElo "2410"]
[ECO "A36"]
[EventDate "1980.08.17"]
[PlyCount "53"]

1.c4 g6 2.Nc3 Bg7 3.g3 c5 4.Bg2 Nc6 5.e4 e6 6.d3 Nge7 7.h4 h5 8.Nge2 Nd4 
9.Nxd4 cxd4 10.Ne2 b5 11.O-O Qb6 12.cxb5 Qxb5 13.e5 Nc6 14.Nxd4 Nxd4 15.
Bxa8 Bxe5 16.Bg2 Ba6 17.Re1 Bg7 18.Be3 O-O 19.b3 f5 20.Rc1 f4 21.Bxf4 Rxf4
22.gxf4 Nf5 23.Be4 Nxh4 24.Rc7 Bd4 25.Qc2 g5 26.Kh1 g4 27.Rc1 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Obando, Arnoldo"]
[Black "Toro Sanchez, Bernardo"]
[Result "0-1"]
[BlackElo "2265"]
[ECO "C00"]
[EventDate "1980.08.17"]
[PlyCount "92"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.g3 b6 5.Bg2 Bb7 6.Qe2 Be7 7.Ngf3 O-O 8.O-O c5 
9.Rd1 Nc6 10.h3 Qd7 11.Nf1 Rad8 12.Bf4 Qc8 13.c3 dxe4 14.dxe4 Rxd1 15.Rxd1
Rd8 16.Rxd8+ Qxd8 17.g4 h6 18.Ng3 Nd7 19.Qd2 Nf8 20.Qxd8 Bxd8 21.Bf1 Ng6 
22.Bd6 Bf6 23.Nh5 Be7 24.Bxe7 Ncxe7 25.Nd2 Kf8 26.f4 f5 27.Bc4 fxe4 28.
Bxe6 Nd5 29.Bxd5 Bxd5 30.Kf2 Bxa2 31.c4 Ne7 32.Ke3 Nc6 33.Kxe4 Na5 34.Kd3 
Bb3 35.Ng3 Ba4 36.Ke4 Kf7 37.Kd5 Bb3 38.Nge4 Ke7 39.Nxb3 Nxb3 40.Kc6 Na5+ 
41.Kb5 Kd7 42.Nd2 Nc6 43.Nf3 Nd4+ 44.Ka6 Nxf3 45.Kxa7 Kc7 46.Ka6 Kc6 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Short, Nigel David"]
[Black "Santo-Roman, Marc"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2205"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "57"]

1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 Qxd5 5.d4 cxd4 6.cxd4 Nf6 7.Nc3 Qd6 8.Bd3 
Nc6 9.O-O Nb4 10.Bb5+ Bd7 11.Ne5 Bxb5 12.Nxb5 Qb6 13.Qa4 Nc6 14.Nc4 Qd8 
15.Bf4 Nd5 16.Nbd6+ Bxd6 17.Nxd6+ Kf8 18.Nxb7 Qb6 19.Nc5 Ke7 20.Bg3 Rac8 
21.Bh4+ Nf6 22.Bxf6+ gxf6 23.Nb3 Rhd8 24.Rfd1 Rd6 25.d5 Rcd8 26.Qh4 Rxd5 
27.Rxd5 Rxd5 28.Qxh7 Nb4 29.Qe4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Stigar, Petter"]
[Black "Damljanovic, Branko"]
[Result "1/2-1/2"]
[BlackElo "2335"]
[ECO "A31"]
[EventDate "1980.08.17"]
[PlyCount "132"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 b6 5.Nc3 Bb7 6.f3 d6 7.e4 e6 8.Be2 Nbd7
9.O-O Be7 10.Be3 O-O 11.Rc1 a6 12.Qd2 Re8 13.Rfd1 Qc7 14.Bf2 Rad8 15.Qe3 
Bf8 16.Nb3 Qb8 17.f4 g6 18.g4 Qa8 19.Bf3 d5 20.cxd5 exd5 21.e5 d4 22.Nxd4 
Bxf3 23.Qxf3 Qxf3 24.Nxf3 Nxg4 25.Ne4 Nxf2 26.Kxf2 Bc5+ 27.Ke2 Kg7 28.Nd6 
Re7 29.Nb7 Rb8 30.Nxc5 bxc5 31.b3 f6 32.Rd5 fxe5 33.Nxe5 Rbe8 34.Kf1 Nxe5 
35.fxe5 Rxe5 36.Rdxc5 h5 37.Rxe5 Rxe5 38.Kf2 a5 39.Rc4 g5 40.a4 Kf6 41.b4 
Rf5+ 42.Kg2 axb4 43.Rxb4 Rc5 44.Rb6+ Kg7 45.Rb7+ Kf6 46.Rb6+ Ke7 47.Rb7+ 
Ke6 48.Rb6+ Kf7 49.Rb7+ Ke6 50.Rb6+ Kd5 51.Rb5 Rxb5 52.axb5 Kc5 53.Kf3 
Kxb5 54.Ke4 Kc5 55.Kf5 g4 56.Kg5 Kd5 57.Kxh5 Ke5 58.Kxg4 Kf6 59.h4 Kg6 60.
h5+ Kh6 61.Kh4 Kg7 62.Kg5 Kh7 63.h6 Kh8 64.Kg6 Kg8 65.h7+ Kh8 66.Kf6 Kxh7 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Tassi, Oliviero"]
[Black "Lasar, Yves"]
[Result "1-0"]
[ECO "A25"]
[EventDate "1980.08.17"]
[PlyCount "49"]

1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 f5 5.d3 Nf6 6.Rb1 a5 7.a3 Be6 8.Nf3 Be7 9.
O-O O-O 10.b4 Qc8 11.Ng5 Bf7 12.Nxf7 Rxf7 13.Nd5 axb4 14.axb4 Kh8 15.b5 
Nd8 16.Bd2 Ne6 17.Bb4 Nxd5 18.cxd5 Nd4 19.Bd2 Qd7 20.e3 Nxb5 21.Qb3 Na7 
22.Qxb7 Rff8 23.Rb4 Rfc8 24.Ra1 Qd8 25.Rxa7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Tempone, Marcelo"]
[Black "Valkesalmi, Kimmo"]
[Result "1-0"]
[WhiteElo "2235"]
[ECO "E12"]
[EventDate "1980.08.17"]
[PlyCount "53"]

1.Nf3 Nf6 2.c4 b6 3.Nc3 Bb7 4.d4 e6 5.Bf4 Bb4 6.e3 O-O 7.Bd3 d5 8.O-O dxc4
9.Bxc4 Nd5 10.Nxd5 exd5 11.Bd3 g6 12.Rc1 Bd6 13.Qc2 Bxf4 14.exf4 c6 15.
Rfe1 Qd6 16.f5 Nd7 17.Ne5 Rae8 18.f4 Re7 19.Qf2 Nf6 20.Qh4 Ne4 21.Bxe4 
dxe4 22.f6 Re6 23.Ng4 Rd8 24.f5 Qxd4+ 25.Kh1 Red6 26.Qh6 Rxf6 27.Rcd1 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Weider, Dariusz"]
[Black "Karolyi, Tibor"]
[Result "1/2-1/2"]
[BlackElo "2300"]
[ECO "A30"]
[EventDate "1980.08.17"]
[PlyCount "50"]

1.Nf3 c5 2.g3 b6 3.Bg2 Bb7 4.O-O Nf6 5.c4 g6 6.b3 Bg7 7.Bb2 O-O 8.e3 d5 9.
d4 dxc4 10.bxc4 cxd4 11.exd4 Nc6 12.Nbd2 Rc8 13.Rc1 Na5 14.d5 Ba6 15.Bh3 
Ra8 16.Re1 b5 17.Ba3 Re8 18.cxb5 Bb7 19.d6 exd6 20.Rxe8+ Nxe8 21.Qa4 Bd5 
22.Bg2 Qb6 23.Nf1 Bh6 24.Rd1 Bc4 25.Nd4 d5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Ye Rongguang"]
[Black "Barua, Dibyendu"]
[Result "0-1"]
[ECO "A28"]
[EventDate "1980.08.17"]
[PlyCount "106"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Be7 5.a3 a5 6.Qc2 O-O 7.Be2 d5 8.cxd5 
Nxd5 9.O-O Be6 10.Bb5 Bd6 11.Ne4 Bf5 12.Bd3 Bg6 13.Nxd6 cxd6 14.Bxg6 hxg6 
15.Rd1 Rc8 16.Qb3 Nb6 17.e4 Nd7 18.d4 exd4 19.Nxd4 Nc5 20.Qe3 Re8 21.f3 
Nxd4 22.Rxd4 a4 23.Rb1 Qc7 24.Qe1 Nb3 25.Rd1 d5 26.Be3 dxe4 27.f4 Rcd8 28.
Qe2 Qc6 29.h3 b5 30.Kh2 Qc4 31.Qf2 Rd3 32.Re1 Rc8 33.Re2 Qd5 34.Rbe1 Rd1 
35.Qf1 Rxe1 36.Rxe1 Qd3 37.Qg1 Qc2 38.Qf1 Qd3 39.Qg1 Rc2 40.Rd1 Qe2 41.Re1
Qc4 42.Rd1 Qe2 43.Re1 Qh5 44.Rb1 Na5 45.Bd4 Nc4 46.Bc3 e3 47.Rd1 Nd2 48.
Bxd2 exd2 49.Rb1 Qe2 50.Kg3 Qd3+ 51.Kh2 Rxb2 52.Ra1 b4 53.axb4 a3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Yoshida, Tetsuo"]
[Black "Cuijpers, Franciscus"]
[Result "0-1"]
[ECO "B08"]
[EventDate "1980.08.17"]
[PlyCount "64"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Bg4 7.Be3 Nc6 8.Qd2 e5
9.d5 Ne7 10.a4 Bd7 11.h3 Ne8 12.Bh6 f5 13.Rfd1 f4 14.Bxg7 Nxg7 15.Bb5 Bc8 
16.a5 h6 17.Be2 g5 18.Nh2 h5 19.Na4 Ng6 20.Ra3 Nh4 21.g3 fxg3 22.Rxg3 Rf4 
23.Nc3 Ng6 24.Nf3 g4 25.hxg4 hxg4 26.Ne1 Nh5 27.Rg2 Nh4 28.Rh2 Qg5 29.Bf1 
Bd7 30.Bg2 g3 31.fxg3 Qxg3 32.Nd3 Nf3+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "2"]
[White "Zuger, Beat"]
[Black "Zabihi, Ali"]
[Result "1/2-1/2"]
[WhiteElo "2235"]
[ECO "A25"]
[EventDate "1980.08.17"]
[PlyCount "52"]

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Rb1 a5 6.a3 d6 7.b4 axb4 8.axb4 Nf6 
9.d3 O-O 10.e3 Nd7 11.Nge2 f5 12.Nd5 Nf6 13.Nxf6+ Qxf6 14.O-O g5 15.f4 
gxf4 16.gxf4 Kh8 17.Ng3 Bh6 18.b5 Nd8 19.Bb2 Qe7 20.Ra1 Rxa1 21.Qxa1 Kg8 
22.Rf3 exf4 23.exf4 Kf7 24.Nh5 Rg8 25.Bf6 Qe2 26.Ng3 Qe6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Utut Adianto"]
[Black "Short, Nigel David"]
[Result "1/2-1/2"]
[BlackElo "2360"]
[ECO "C05"]
[EventDate "1980.08.17"]
[PlyCount "64"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 b6 7.Ne2 Ba6 8.Bxa6 Nxa6
9.O-O b5 10.f4 g6 11.Nf3 Nb6 12.a4 bxa4 13.Rxa4 Nc7 14.Ra5 c4 15.b4 cxb3 
16.Qxb3 Nc4 17.Ra2 Be7 18.Nd2 Nxd2 19.Bxd2 O-O 20.g4 Qb8 21.Qd1 f5 22.exf6
Bxf6 23.Ng3 Bh4 24.f5 Nb5 25.Bf4 Qe8 26.Qd3 Rc8 27.Rc2 a6 28.Be5 exf5 29.
gxf5 Rc6 30.c4 Bxg3 31.hxg3 dxc4 32.Rxc4 gxf5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Akesson, Ralf"]
[Black "Zabihi, Ali"]
[Result "1-0"]
[WhiteElo "2230"]
[ECO "A07"]
[EventDate "1980.08.17"]
[PlyCount "71"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 c6 4.O-O Bf5 5.d3 e6 6.Nbd2 h6 7.b3 Be7 8.Bb2 O-O 
9.Qe1 a5 10.e4 Bh7 11.a4 Na6 12.Qe2 Nb4 13.Ne1 b5 14.f4 Qb6+ 15.Kh1 dxe4 
16.dxe4 Rad8 17.Nb1 Na6 18.Na3 bxa4 19.Nc4 Qc7 20.Rxa4 Nc5 21.Bxf6 Nxa4 
22.Be5 Qb7 23.bxa4 Qb4 24.Nb2 f6 25.Ned3 Qb6 26.Bc3 Bb4 27.Nc4 Qa6 28.Bxb4
axb4 29.Nc5 Qc8 30.Bh3 Rfe8 31.e5 fxe5 32.fxe5 Rd5 33.Nd6 Qa8 34.Nxe8 Rxc5
35.Bxe6+ Kh8 36.Rf8+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Allen, Keith"]
[Black "Hansen, Curt"]
[Result "0-1"]
[ECO "E05"]
[EventDate "1980.08.17"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O dxc4 7.Qc2 a6 8.a4 b6 
9.Ne5 Ra7 10.Rd1 Bb7 11.e4 Ra8 12.Nc3 Nc6 13.Nxc6 Bxc6 14.d5 exd5 15.e5 
Nd7 16.Nxd5 Nxe5 17.Bf4 Bd6 18.Bxe5 Bxe5 19.Nb4 Qf6 20.Nxc6 Bxb2 21.Rab1 
c3 22.Nb4 Rad8 23.Nd3 Qg6 24.Nb4 c5 25.Be4 f5 26.Nd5 Kh8 27.Bf3 f4 28.Be4 
Qg4 29.Nxf4 Rd4 30.f3 Qg5 31.Rxd4 cxd4 32.Ne6 Qe3+ 33.Qf2 Qxe4 34.Re1 
Qxe1+ 35.Qxe1 c2 36.Nxf8 c1=Q 37.Kf2 Qc2+ 38.Kg1 d3 39.Qe8 Bd4+ 40.Kh1 
Qd1+ 41.Kg2 Qe2+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Arnason, Jon"]
[Black "Zuger, Beat"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2235"]
[ECO "B62"]
[EventDate "1980.08.17"]
[PlyCount "141"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd3 Be7 8.Rd1 
O-O 9.Be2 Nxd4 10.Qxd4 Bd7 11.O-O Bc6 12.Kh1 Qc7 13.f4 Rfd8 14.Qe3 a6 15.
Bf3 Ne8 16.Bxe7 Qxe7 17.a4 b5 18.axb5 axb5 19.e5 Qb7 20.Ne4 dxe5 21.fxe5 
Qc7 22.Ng5 Bxf3 23.Qxf3 Rxd1 24.Rxd1 Ra7 25.Qd3 g6 26.Qxb5 Qd8 27.Rf1 Qxg5
28.Qxe8+ Kg7 29.Qb5 Rc7 30.c3 h5 31.h3 Ra7 32.Qc5 Rd7 33.Qc6 Ra7 34.Qe4 
Qd2 35.Qd4 Qe2 36.Qf2 Qxf2 37.Rxf2 Ra1+ 38.Kh2 Re1 39.b4 Rxe5 40.Rb2 Rb5 
41.c4 Rb8 42.b5 Kf6 43.c5 Ke5 44.Kg3 g5 45.h4 g4 46.c6 Kd6 47.Kf4 f6 48.
Rc2 Kc7 49.Rc5 Rh8 50.Ke4 Kb6 51.Kd4 Rd8+ 52.Kc4 Rh8 53.Kb4 Rh7 54.Rc1 Ra7
55.Rc2 Ra8 56.Rc5 Rh8 57.Rc2 Ra8 58.c7 Rc8 59.Rc6+ Kb7 60.Kc5 Rxc7 61.Kd6 
Rg7 62.Kxe6 g3 63.Rc4 Kb6 64.Kxf6 Kxb5 65.Rf4 Rg8 66.Rf5+ Kc4 67.Rg5 Rxg5 
68.Kxg5 Kd3 69.Kxh5 Ke3 70.Kg4 Kf2 71.Kh3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Atalik, Suat"]
[Black "Fasheyitan, Olufemi"]
[Result "1/2-1/2"]
[ECO "A50"]
[EventDate "1980.08.17"]
[PlyCount "110"]

1.d4 Nf6 2.c4 b6 3.Nc3 Bb7 4.Qc2 d5 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 e6 8.Nf3 
Bd6 9.Bd3 h6 10.h4 Nd7 11.e5 Be7 12.Be4 Qc8 13.Bd2 c5 14.Bxb7 Qxb7 15.Rh3 
O-O-O 16.h5 Nb8 17.Rg3 Rdg8 18.Be3 Na6 19.Rb1 Qd5 20.Qa4 Kb7 21.Rd1 Qc6 
22.Qxc6+ Kxc6 23.Ke2 g5 24.hxg6 Rxg6 25.Rxg6 fxg6 26.c4 Nc7 27.dxc5 bxc5 
28.Rd3 h5 29.Bg5 Rh7 30.Bxe7 Rxe7 31.Rd6+ Kb7 32.Ng5 Kc8 33.Ne4 Rd7 34.
Nxc5 Rxd6 35.exd6 Na8 36.Na4 Nb6 37.Nxb6+ axb6 38.Kd3 Kd7 39.f4 Kxd6 40.
Kd4 h4 41.Ke4 Kc5 42.Ke5 Kxc4 43.Kxe6 Kd3 44.f5 gxf5 45.Kxf5 Ke3 46.Kg4 
Kf2 47.Kh3 b5 48.a3 Kf1 49.Kxh4 Kxg2 50.Kg4 Kf2 51.Kf4 Ke2 52.Ke4 Kd2 53.
Kd4 Kc2 54.Kc5 Kb3 55.Kxb5 Kxa3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Cauchy, Daniel"]
[Black "Damljanovic, Branko"]
[Result "0-1"]
[BlackElo "2335"]
[ECO "E90"]
[EventDate "1980.08.17"]
[PlyCount "40"]

1.c4 Nf6 2.Nc3 g6 3.d4 Bg7 4.e4 d6 5.Nf3 O-O 6.Bd3 Bg4 7.h3 Bxf3 8.Qxf3 
Nc6 9.Ne2 Nd7 10.Qe3 e5 11.dxe5 dxe5 12.Bd2 Nc5 13.Qxc5 Qxd3 14.Qd5 Nd4 
15.Nxd4 Rad8 16.Qxb7 exd4 17.f3 Rb8 18.Qxa7 Rxb2 19.Rd1 Bh6 20.Qa5 Bxd2+ 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Cuijpers, Franciscus"]
[Black "Hjorth, Gregory"]
[Result "0-1"]
[ECO "B05"]
[EventDate "1980.08.17"]
[PlyCount "168"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.c4 Nb6 8.h3 Bh5 
9.Nc3 O-O 10.Be3 d5 11.c5 Bxf3 12.Bxf3 Nc4 13.Bf4 b6 14.b3 Na5 15.Na4 bxc5
16.dxc5 Nac6 17.Rc1 Nd7 18.Re1 Bg5 19.Qd2 Bxf4 20.Qxf4 Rb8 21.Nb2 Rb4 22.
Qg3 Rd4 23.Bd1 Qh4 24.Qxh4 Rxh4 25.Nd3 Rd4 26.Bc2 Rb8 27.f4 Nb4 28.Nxb4 
Rbxb4 29.a3 Rb8 30.c6 Nc5 31.Rf1 Rb6 32.b4 Ne4 33.Bxe4 Rxe4 34.Rc5 Ra6 35.
Rf3 Re1+ 36.Kh2 Ra1 37.Rcc3 h6 38.b5 Ra5 39.Rb3 Rc1 40.Rb4 Ra1 41.Rbb3 Ra4
42.h4 Rc1 43.h5 Rcc4 44.g3 Rc2+ 45.Kh3 Rac4 46.Rb4 Kh7 47.Rd3 g6 48.hxg6+ 
Kxg6 49.Kg4 h5+ 50.Kf3 R2c3 51.Rb3 Rxd3+ 52.Rxd3 Kf5 53.Rb3 Rc2 54.Ke3 Kg4
55.Kd3 Rc4 56.Kd2 Kf5 57.Re3 Ra4 58.Ke2 d4 59.Rb3 Ke4 60.Kd2 Rc4 61.Rd3 
Kd5 62.Rf3 Kc5 63.Rf1 Rc3 64.a4 Rxg3 65.f5 Kb4 66.fxe6 fxe6 67.Rf7 Kxa4 
68.Rxc7 Kxb5 69.Rd7 Kxc6 70.Rxd4 Kc5 71.Rd6 Rg6 72.Ra6 Rh6 73.Ke3 h4 74.
Kf2 h3 75.Kg1 h2+ 76.Kh1 Kd4 77.Ra5 a6 78.Rxa6 Kxe5 79.Ra1 Kf5 80.Rf1+ Kg4
81.Re1 Kf3 82.Rf1+ Ke2 83.Rf2+ Ke3 84.Rf3+ Ke4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Danailov, Silvio"]
[Black "Benjamin, Joel"]
[Result "1/2-1/2"]
[WhiteElo "2295"]
[BlackElo "2350"]
[ECO "B08"]
[EventDate "1980.08.17"]
[PlyCount "60"]

1.Nf3 g6 2.e4 Bg7 3.d4 d6 4.Nc3 Nf6 5.Be2 O-O 6.O-O Nc6 7.d5 Nb8 8.Re1 e5 
9.dxe6 Bxe6 10.Nd4 Bd7 11.Be3 Re8 12.Bf3 Nc6 13.h3 a6 14.Nxc6 bxc6 15.Qd2 
Rb8 16.Rab1 Be6 17.Bg5 Qc8 18.e5 dxe5 19.Rxe5 Nd5 20.Nxd5 cxd5 21.Ree1 c6 
22.c3 a5 23.b3 Qa6 24.Bf4 Rbd8 25.Bc7 Rc8 26.Bf4 a4 27.Rbc1 axb3 28.axb3 
Qa3 29.b4 c5 30.bxc5 Qxc5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Fowler, Jim"]
[Black "Weider, Dariusz"]
[Result "1/2-1/2"]
[ECO "B33"]
[EventDate "1980.08.17"]
[PlyCount "19"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nxc6 bxc6 7.Bc4 Bb4 8.
Bg5 Bxc3+ 9.bxc3 Qa5 10.Qf3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Guerra Osio, Jose Luis"]
[Black "Negulescu, Adrian"]
[Result "0-1"]
[BlackElo "2410"]
[ECO "A00"]
[EventDate "1980.08.17"]
[PlyCount "42"]

1.a3 d5 2.b4 Nf6 3.Bb2 Bf5 4.Nf3 e6 5.e3 c5 6.b5 Be7 7.Be2 O-O 8.Nh4 Bg6 
9.Nxg6 hxg6 10.O-O a6 11.a4 axb5 12.axb5 Rxa1 13.Bxa1 Qa5 14.Bb2 Nbd7 15.
Nc3 Ra8 16.Qa1 Qd8 17.Qc1 Nb6 18.d3 Qd7 19.Bf3 Ne8 20.Qb1 Nd6 21.Bc1 Bf6 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Hadi, Jardak"]
[Black "Grant, Conrad"]
[Result "1-0"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "59"]

1.e4 c5 2.c3 e6 3.d4 cxd4 4.cxd4 d6 5.Nf3 Nf6 6.Nc3 Be7 7.Bd3 a6 8.a4 Bd7 
9.Bg5 Nc6 10.Rc1 Qb6 11.Ne2 Nb4 12.Bb1 Qa5 13.Nc3 Rc8 14.O-O h6 15.Bd2 Qb6
16.Re1 O-O 17.e5 Nfd5 18.Ne4 Rxc1 19.Bxc1 Rc8 20.exd6 Bxd6 21.Ne5 Bxe5 22.
dxe5 Qc6 23.Nd6 Rc7 24.h3 Qxa4 25.Qh5 Be8 26.Bd2 Qd7 27.Qg4 f5 28.Qg3 Bh5 
29.Bxb4 Nxb4 30.Qh4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Karolyi, Tibor"]
[Black "James, Stephen"]
[Result "1-0"]
[WhiteElo "2300"]
[ECO "B16"]
[EventDate "1980.08.17"]
[PlyCount "113"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 6.Be2 Bf5 7.Bf3 e6 8.
Ne2 Bd6 9.g4 Bg6 10.Bh6 f5 11.g5 Nd7 12.h4 f6 13.Qd2 Qe7 14.O-O-O O-O-O 
15.Nf4 e5 16.gxf6 Nxf6 17.dxe5 Bxe5 18.Qa5 Qc7 19.Rxd8+ Rxd8 20.Qxc7+ Bxc7
21.Nxg6 hxg6 22.Rg1 Rg8 23.Be3 Bb6 24.Bxb6 axb6 25.Kd2 Kd7 26.Ke3 Ke6 27.
Kf4 Kf7 28.h5 Nd7 29.hxg6+ Kf6 30.Rg5 Rxg6 31.Rxf5+ Ke6 32.Bg4 Ke7 33.Rg5 
Rf6+ 34.Kg3 Nc5 35.f3 Rf7 36.Rg8 Kd6 37.Rd8+ Ke5 38.a3 Na4 39.Re8+ Kd6 40.
b3 Nc3 41.Rd8+ Ke5 42.f4+ Ke4 43.a4 Rg7 44.Re8+ Kd4 45.Kf3 Nd5 46.Re4+ Kc3
47.Rc4+ Kd2 48.Be6 Nc7 49.Bc8 b5 50.axb5 Nxb5 51.f5 Na3 52.Rf4 Nxc2 53.f6 
Rf7 54.Be6 Rf8 55.Ke4 Kc3 56.Rf3+ Kb4 57.f7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Kasparov, Garry"]
[Black "McNab, Colin Anderson"]
[Result "1-0"]
[WhiteElo "2595"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "79"]

1.e4 g6 2.d4 d6 3.Bg5 Bg7 4.c3 Nf6 5.Nd2 Na6 6.Ngf3 O-O 7.Be2 c5 8.O-O Nc7
9.dxc5 dxc5 10.Qc2 Ne6 11.Bh4 Nf4 12.Bc4 Qd7 13.a4 N6h5 14.Rfe1 Qg4 15.Bg3
e5 16.Rad1 Qd7 17.Nf1 Qc7 18.Ne3 Be6 19.Bxe6 Nxe6 20.Nd5 Qb8 21.Bh4 Kh8 
22.Nd2 b5 23.axb5 Qxb5 24.Ra1 Nhf4 25.Qa4 Qd3 26.Rad1 Nxd5 27.exd5 Qxd5 
28.Nc4 Qb7 29.Rd7 Qb8 30.Be7 Re8 31.Red1 Bf8 32.Bf6+ Bg7 33.Bxg7+ Kxg7 34.
Nd6 Rf8 35.Rb7 Qd8 36.Nxf7 Qf6 37.Rdd7 Qf4 38.Qxf4 exf4 39.Ng5+ Kf6 40.
Nxh7+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Lasar, Yves"]
[Black "Belkhodja, Slim"]
[Result "1/2-1/2"]
[ECO "E54"]
[EventDate "1980.08.17"]
[PlyCount "102"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Nc6 9.dxc5 Qa5 10.Qc2 Bxc3 11.Qxc3 Qxc5 12.Rd1 b6 13.Rb1 Na5 14.Bd3 Qxc3 
15.bxc3 Bb7 16.Nd4 Rfd8 17.Ba3 Nd5 18.Rbc1 Rac8 19.c4 Nf6 20.Nb5 a6 21.Nd6
Rb8 22.c5 bxc5 23.Nxb7 Nxb7 24.Bxa6 h6 25.Rxd8+ Nxd8 26.Bxc5 Rb2 27.Be7 
Rxa2 28.Bxd8 Rxa6 29.Bxf6 gxf6 30.g3 Ra2 31.h4 Kg7 32.Kg2 Kg6 33.Rc8 f5 
34.Rc5 e5 35.Rxe5 Ra6 36.Re8 Ra2 37.Rg8+ Kh7 38.Re8 Kg6 39.Kf3 Rd2 40.Rb8 
Ra2 41.Rb6+ Kg7 42.Rb4 Kg6 43.Rf4 Rb2 44.Rd4 Ra2 45.Rd1 Rb2 46.Re1 Ra2 47.
Re2 Ra3 48.Rd2 Ra4 49.Rd6+ Kg7 50.Rd4 Ra1 51.Rf4 Kg6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Lirindzakis, Stayros"]
[Black "Long, Peter"]
[Result "0-1"]
[ECO "A46"]
[EventDate "1980.08.17"]
[PlyCount "62"]

1.d4 Nf6 2.Nf3 c5 3.e3 e6 4.Be2 b6 5.O-O Bb7 6.b3 Be7 7.Bb2 O-O 8.c4 cxd4 
9.Nxd4 a6 10.Nc3 Qc7 11.Bf3 Nc6 12.Rc1 Ne5 13.Bxb7 Qxb7 14.f3 Rfd8 15.Qe2 
Rac8 16.f4 Ng6 17.f5 Ne5 18.Rcd1 Qc7 19.h3 h5 20.Nf3 Bd6 21.e4 exf5 22.
Nxe5 Qc5+ 23.Qf2 Qxe5 24.Qxf5 Qh2+ 25.Kf2 Re8 26.Qf3 Be5 27.Rde1 b5 28.
cxb5 axb5 29.Re2 Bd4+ 30.Ke1 Qe5 31.Kd2 b4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Morales Moreno, Humberto"]
[Black "Kaspret, Guido"]
[Result "0-1"]
[ECO "A14"]
[EventDate "1980.08.17"]
[PlyCount "66"]

1.c4 e6 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.b3 O-O 7.Bb2 d5 8.e3 Nbd7 
9.d3 a5 10.a3 dxc4 11.bxc4 a4 12.d4 Ra5 13.Nfd2 Bxg2 14.Kxg2 Qa8+ 15.Qf3 
c6 16.Nc3 b5 17.c5 Rd8 18.Qe2 e5 19.f4 exd4 20.exd4 Bf8 21.g4 Nxg4 22.Qxg4
Nxc5 23.Na2 Nd3 24.Bc3 c5+ 25.Nf3 b4 26.Rad1 Qe4 27.Kg3 h5 28.Ng5 Qg6 29.
Qf3 Nxf4 30.Qxf4 Bd6 31.dxc5 Qxg5+ 32.Kh3 Bxf4 33.Rxd8+ Kh7 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Morovic Fernandez, Ivan"]
[Black "Tassi, Oliviero"]
[Result "1-0"]
[WhiteElo "2380"]
[ECO "E06"]
[EventDate "1980.08.17"]
[PlyCount "77"]

1.Nf3 Nf6 2.g3 e6 3.Bg2 Be7 4.O-O O-O 5.c4 d5 6.d4 b6 7.Nc3 c6 8.Ne5 Ba6 
9.cxd5 cxd5 10.Re1 Bb4 11.Qb3 Bxc3 12.Qxc3 Ne4 13.Qa3 f6 14.Nd3 Qd7 15.Bf4
Bxd3 16.Qxd3 f5 17.f3 Nf6 18.Rac1 Nc6 19.e3 Rac8 20.Bf1 h6 21.Qa3 Nb8 22.
Qb4 Qb7 23.Qd6 Kf7 24.b3 Ne8 25.Qa3 Nc7 26.Kf2 a6 27.Bxc7 Rxc7 28.Rxc7+ 
Qxc7 29.Rc1 Qd7 30.Qb4 b5 31.Qc5 Re8 32.Bd3 Re7 33.h3 Qb7 34.g4 g6 35.Qd6 
Rd7 36.Qe5 Nc6 37.Qh8 Nb4 38.Bb1 Re7 39.Rc8 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Pajak, Jan"]
[Black "Gerbert, Philipp"]
[Result "1/2-1/2"]
[ECO "B05"]
[EventDate "1980.08.17"]
[PlyCount "95"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 c6 6.c4 Nb6 7.Nc3 Bxf3 8.gxf3 
dxe5 9.dxe5 Qxd1+ 10.Kxd1 g6 11.f4 Na6 12.Be3 Bh6 13.Ne4 O-O-O+ 14.Kc2 Nc7
15.Rad1 Kb8 16.b3 Ne6 17.Ng5 Bxg5 18.fxg5 Rxd1 19.Rxd1 Rd8 20.Bd3 Nd7 21.
f4 Ng7 22.Be4 Kc7 23.a4 a5 24.Rf1 e6 25.Rf3 c5 26.Rh3 Rh8 27.Bd2 b6 28.Bc3
Nf8 29.Rd3 h6 30.Rh3 h5 31.Rd3 Nd7 32.Rd6 Rc8 33.Rc6+ Kd8 34.Rd6 Ne8 35.
Rd1 Ke7 36.Bb7 Rd8 37.Rf1 Nb8 38.Be4 Ng7 39.Rd1 Rxd1 40.Kxd1 Kd7 41.Ke2 
Nf5 42.Kd3 Nc6 43.Be1 Nfd4 44.Kc3 Ne2+ 45.Kd3 Ned4 46.Kc3 Ne7 47.Bf2 Nef5 
48.Bxf5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Rodas Maritni, Pablo"]
[Black "Bates, Giles"]
[Result "1/2-1/2"]
[ECO "A44"]
[EventDate "1980.08.17"]
[PlyCount "57"]

1.d4 g6 2.c4 c5 3.Nf3 Bg7 4.d5 d6 5.Nc3 e5 6.e4 Ne7 7.Be2 O-O 8.h4 Bg4 9.
Ng5 Bxe2 10.Qxe2 h6 11.Nh3 Nd7 12.Bd2 a6 13.O-O-O b5 14.h5 Nb6 15.hxg6 
fxg6 16.Ng1 Nxc4 17.Bxh6 Bxh6+ 18.Rxh6 Kg7 19.Rh3 Rh8 20.Rg3 Rh1 21.Nh3 
Rxd1+ 22.Kxd1 Qh8 23.Ng5 Qh1+ 24.Kc2 Qa1 25.Nd1 Qxa2 26.Qf3 Qa4+ 27.Kc1 
Qa1+ 28.Kc2 Qa4+ 29.Kc1 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Santo-Roman, Marc"]
[Black "Bischoff, Klaus"]
[Result "1/2-1/2"]
[WhiteElo "2205"]
[ECO "B05"]
[EventDate "1980.08.17"]
[PlyCount "60"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 c6 6.O-O Bxf3 7.Bxf3 dxe5 8.dxe5
e6 9.Qe2 Qc7 10.c4 Ne7 11.Bd2 Nd7 12.Bc3 Ng6 13.Re1 a5 14.a3 Bc5 15.Nd2 
Ba7 16.g3 Rd8 17.b4 Ndxe5 18.Be4 O-O 19.Nb3 axb4 20.axb4 Bb8 21.Bc2 Nd7 
22.f4 c5 23.b5 Rde8 24.f5 Nge5 25.f6 gxf6 26.b6 Qc6 27.Bxh7+ Kxh7 28.Qh5+ 
Kg7 29.Rxe5 Nxe5 30.Bxe5 Bxe5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Sequeira, Fernando"]
[Black "Borg, Geoffrey"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1980.08.17"]
[PlyCount "91"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Nc6 5.g3 dxe4 6.dxe4 Bc5 7.Bg2 O-O 8.O-O 
e5 9.Qe2 a5 10.Nb3 Bd6 11.a4 b6 12.Re1 Ba6 13.Qd1 Bb4 14.c3 Qxd1 15.Rxd1 
Rad8 16.Bg5 Be7 17.Bxf6 Bxf6 18.Bf1 Bxf1 19.Kxf1 Rfe8 20.Ke2 Kf8 21.Nfd2 
Bg5 22.Nc4 g6 23.Rxd8 Rxd8 24.Rf1 Bf6 25.Ne3 Be7 26.Nc1 Bc5 27.Nd5 Bd6 28.
Nd3 Ne7 29.Ne3 f5 30.f3 Kf7 31.Nc4 Ke6 32.Re1 Nc6 33.Kd2 Rf8 34.exf5+ gxf5
35.Ncxe5 Bxe5 36.f4 Rd8 37.Kc2 Rd5 38.fxe5 Rd8 39.Nf4+ Ke7 40.Re2 Rd7 41.
Kb3 Rd1 42.Kc4 Nd8 43.Nd5+ Kd7 44.Nf6+ Ke7 45.Nxh7 Ne6 46.Nf6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Shrentzel, Mordechai"]
[Black "Obando, Arnoldo"]
[Result "1-0"]
[ECO "C45"]
[EventDate "1980.08.17"]
[PlyCount "107"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Be3 Qf6 6.c3 Nge7 7.g3 d5 8.Bg2 
dxe4 9.Nd2 Bxd4 10.cxd4 O-O 11.Nxe4 Qg6 12.O-O Rd8 13.Rc1 Nd5 14.Nc5 Nce7 
15.Nd3 Be6 16.Ne5 Qf6 17.Qh5 g6 18.Qe2 h5 19.Rcd1 Qg7 20.h3 f6 21.Nd3 Bf7 
22.Nc5 b6 23.Ne4 a5 24.a3 Rac8 25.Qf3 Nf5 26.Rfe1 Rd7 27.Bf1 Ndxe3 28.fxe3
Bd5 29.g4 Re8 30.Bd3 Qe7 31.gxf5 Bxe4 32.Bxe4 Qxe4 33.Qxe4 Rxe4 34.fxg6 
Kg7 35.Kf2 Kxg6 36.Rc1 Kf5 37.Rc6 Rg7 38.Rf1 Rh4 39.Ke2+ Ke4 40.Re6+ Kd5 
41.Rexf6 Kc4 42.Rc6+ Kb3 43.Rc3+ Kxb2 44.Kd3 Rxh3 45.Rf2+ Kb1 46.Rcc2 Rh1 
47.Rb2+ Ka1 48.Ra2+ Kb1 49.Rfb2+ Kc1 50.Re2 Kb1 51.a4 h4 52.Rab2+ Ka1 53.
Kc3 Rc1+ 54.Kb3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Stigar, Petter"]
[Black "Canda, Danilo"]
[Result "1-0"]
[ECO "E17"]
[EventDate "1980.08.17"]
[PlyCount "79"]

1.d4 e6 2.Nf3 b6 3.g3 Bb7 4.Bg2 Nf6 5.c4 Be7 6.Nc3 O-O 7.Qc2 Nc6 8.O-O d5 
9.cxd5 Nb4 10.Qa4 Nbxd5 11.Bg5 Nxc3 12.bxc3 Ne4 13.Bxe7 Qxe7 14.Rac1 Nf6 
15.Rfd1 c5 16.Ne5 Bxg2 17.Kxg2 Rfc8 18.Nd3 cxd4 19.cxd4 Qb7+ 20.Kg1 Qd7 
21.Qa6 g6 22.e3 Rxc1 23.Rxc1 Ne4 24.Ne5 Qd5 25.Rc7 Ng5 26.Qb7 Qxb7 27.Rxb7
Ne4 28.Nxf7 Nc3 29.Nh6+ Kh8 30.Ng4 Rf8 31.Rxa7 b5 32.Kg2 Nd1 33.Rc7 h5 34.
Rc1 hxg4 35.Rxd1 Kg7 36.Rb1 Rb8 37.Rb4 Ra8 38.Rxb5 Kf6 39.Rb2 Kf5 40.f3 
1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Tavares, Shawn"]
[Black "Yoshida, Tetsuo"]
[Result "1-0"]
[ECO "C15"]
[EventDate "1980.08.17"]
[PlyCount "59"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 dxe4 6.Qg4 Nf6 7.Qxg7 Rg8 8.
Qh6 Rg6 9.Qd2 Nc6 10.Bb2 b6 11.f3 Bb7 12.Bb5 Qd6 13.O-O-O O-O-O 14.Qe2 Ne7
15.Kb1 Kb8 16.fxe4 Nxe4 17.Nf3 Nd5 18.Qe1 Rxg2 19.Ne5 Rg7 20.c4 Ndf6 21.
Rf1 c6 22.Ba4 Qc7 23.Qh4 Qe7 24.Bxc6 Ng5 25.d5 Nfe4 26.Bxb7 Kxb7 27.Nc6 
Qf8 28.Nxd8+ Kc8 29.Nxe6 Nxe6 30.dxe6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Toro Sanchez, Bernardo"]
[Black "Lima, Darcy"]
[Result "1/2-1/2"]
[WhiteElo "2265"]
[ECO "E44"]
[EventDate "1980.08.17"]
[PlyCount "73"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ne4 6.Qc2 Bb7 7.f3 Nxc3 8.bxc3 
Bd6 9.e4 O-O 10.Ng3 Qh4 11.e5 Be7 12.Bd3 d6 13.exd6 cxd6 14.O-O Nd7 15.Ba3
Rfd8 16.Ne4 Nf6 17.Bc1 h6 18.a4 Rac8 19.a5 d5 20.cxd5 Nxd5 21.Bd2 f5 22.
Ng3 Nxc3 23.Bxc3 Bb4 24.Qb3 Bxc3 25.Qxe6+ Kh8 26.Nxf5 Bxd4+ 27.Kh1 Qf6 28.
Nxd4 Qxe6 29.Nxe6 Rxd3 30.axb6 axb6 31.Ra7 Rd7 32.h3 Rc2 33.Rb1 Rc6 34.Nd8
Rxd8 35.Rxb7 Rdd6 36.Kh2 Rg6 37.Rb2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Tovillas, Daniel"]
[Black "Barua, Dibyendu"]
[Result "1/2-1/2"]
[ECO "C43"]
[EventDate "1980.08.17"]
[PlyCount "81"]

1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.O-O O-O 7.c4 Bxe5 8.dxe5
Nc6 9.cxd5 Qxd5 10.Qf3 Bf5 11.Nc3 Nxc3 12.Qxf5 g6 13.Qg5 Qxd3 14.bxc3 Qxc3
15.Rb1 b6 16.Bb2 Qc4 17.Rfc1 Qe6 18.Ba1 Rad8 19.h4 Rd5 20.f4 f6 21.f5 fxg5
22.fxe6 Rc5 23.Rxc5 bxc5 24.hxg5 Re8 25.Rb7 Rxe6 26.Rxc7 a6 27.Kh2 c4 28.
Kg3 Nxe5 29.Rc5 Nd7 30.Rxc4 Kf7 31.a4 Ke7 32.Rh4 Re1 33.Rxh7+ Ke6 34.Bh8 
Re4 35.Rh4 Rxh4 36.Kxh4 Kd5 37.Kg4 Nb6 38.a5 Nc4 39.Bc3 Ke4 40.Bb4 Ne5+ 
41.Kg3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Valiente, Cristobal"]
[Black "Tempone, Marcelo"]
[Result "0-1"]
[BlackElo "2235"]
[ECO "B13"]
[EventDate "1980.08.17"]
[PlyCount "68"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.Bd3 Nc6 5.c3 Nf6 6.Bf4 Bg4 7.Qb3 Qc8 8.Nd2 
e6 9.Ngf3 Be7 10.O-O O-O 11.Qc2 Bh5 12.Ne5 Bg6 13.Nxg6 hxg6 14.h3 Qd8 15.
Nf3 Bd6 16.Bg5 Qc7 17.g4 Rfe8 18.Bxf6 gxf6 19.g5 fxg5 20.Nxg5 Kg7 21.Rae1 
Bf4 22.Nf3 Rh8 23.Kg2 Qe7 24.Rh1 Qf6 25.Qe2 Rh5 26.Nh2 Bxh2 27.Rxh2 Re8 
28.Rf1 e5 29.f4 e4 30.Bb5 Reh8 31.Bxc6 bxc6 32.b4 Rf5 33.Qe3 Rh4 34.Kg3 
Rhxf4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Valkesalmi, Kimmo"]
[Black "Corral Blanco, Juan Antonio"]
[Result "1/2-1/2"]
[ECO "B68"]
[EventDate "1980.08.17"]
[PlyCount "83"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
Bd7 9.f4 Be7 10.Nf3 b5 11.e5 b4 12.exf6 bxc3 13.Qxc3 gxf6 14.Bh4 d5 15.Kb1
Nb4 16.Bd3 Rc8 17.Qd2 Qc7 18.Rc1 Qb7 19.a3 Nxd3 20.cxd3 Rb8 21.Qc3 Rg8 22.
Rc2 Rc8 23.Qd2 Rxc2 24.Qxc2 Qc6 25.Qd2 Qb7 26.Rc1 d4 27.Rc4 Bc6 28.Qc2 Kd7
29.Rxd4+ Bd5 30.Be1 Qb5 31.Bb4 Rc8 32.Qd1 Bd8 33.Be1 Be7 34.Bb4 a5 35.Bd2 
Bc5 36.Qa4 Rb8 37.Qxb5+ Rxb5 38.Ra4 Bb6 39.Nd4 Rc5 40.b4 axb4 41.Rxb4 Ba5 
42.Rb2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "3"]
[White "Ye Rongguang"]
[Black "Balsinde Elias, Rolando"]
[Result "1-0"]
[ECO "B12"]
[EventDate "1980.08.17"]
[PlyCount "65"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.c3 e6 5.Nf3 c5 6.Be3 Qb6 7.Qb3 Nc6 8.Nbd2 Qxb3 
9.axb3 cxd4 10.Nxd4 Nge7 11.Nxc6 Nxc6 12.Bb5 Kd7 13.Nf3 Be7 14.Nd4 Bg6 15.
b4 f6 16.Bf4 a6 17.Ba4 b5 18.Nxc6 Kxc6 19.Bd1 Bd8 20.Bg3 a5 21.O-O Bb6 22.
bxa5 Bxa5 23.Bg4 Bf7 24.exf6 gxf6 25.Rfe1 Bb6 26.h3 e5 27.Bh4 Rxa1 28.Rxa1
h5 29.Bxf6 hxg4 30.Bxh8 g3 31.Bxe5 gxf2+ 32.Kf1 d4 33.Bxd4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Balsinde Elias, Rolando"]
[Black "Hadi, Jardak"]
[Result "1-0"]
[ECO "A84"]
[EventDate "1980.08.17"]
[PlyCount "67"]

1.d4 f5 2.Nf3 Nf6 3.c4 c6 4.Nc3 g6 5.Bf4 d6 6.h3 Bg7 7.e3 O-O 8.Be2 Nbd7 
9.c5 d5 10.b4 Ne4 11.Qb3 Ndf6 12.O-O Nxc3 13.Qxc3 Ne4 14.Qc2 h6 15.Be5 g5 
16.Bxg7 Kxg7 17.Ne5 Qe8 18.Qd1 Nc3 19.Qc2 Nxe2+ 20.Qxe2 h5 21.f4 g4 22.h4 
b5 23.cxb6 axb6 24.Rfc1 Rf6 25.a4 b5 26.axb5 Rxa1 27.Rxa1 cxb5 28.Qc2 Ba6 
29.Qc7 Rd6 30.Nd3 Kf6 31.Nc5 Bc8 32.Ra8 Rd8 33.Nb7 Qd7 34.Qxd8 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Barua, Dibyendu"]
[Black "Atalik, Suat"]
[Result "1/2-1/2"]
[ECO "B02"]
[EventDate "1980.08.17"]
[PlyCount "28"]

1.e4 Nf6 2.Nc3 d5 3.exd5 Nxd5 4.Nge2 Nxc3 5.bxc3 e6 6.Ng3 Nd7 7.Be2 Be7 8.
O-O O-O 9.d4 c5 10.Bf3 cxd4 11.cxd4 Qc7 12.Be3 Nb6 13.Qd3 Bd7 14.Ne4 Bc6 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Belkhodja, Slim"]
[Black "Grant, Conrad"]
[Result "1-0"]
[ECO "B99"]
[EventDate "1980.08.17"]
[PlyCount "43"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.Bd3 b5 11.Rhe1 Bb7 12.Kb1 Rc8 13.g4 h6 14.Bxf6 gxf6 15.Rd2
Nc5 16.Nd5 Bxd5 17.exd5 e5 18.Bf5 Rb8 19.Nc6 Rb7 20.h4 b4 21.b3 a5 22.g5 
1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Bischoff, Klaus"]
[Black "Benjamin, Joel"]
[Result "1/2-1/2"]
[BlackElo "2350"]
[ECO "A08"]
[EventDate "1980.08.17"]
[PlyCount "112"]

1.e4 c5 2.Nf3 e6 3.d3 Nc6 4.g3 d5 5.Nbd2 Nf6 6.Bg2 Be7 7.O-O b6 8.Re1 Bb7 
9.Qe2 Qc7 10.c3 O-O-O 11.a3 Ba6 12.e5 Nd7 13.h4 h6 14.h5 g5 15.hxg6 fxg6 
16.Bh3 Nf8 17.Nh2 g5 18.Ndf3 c4 19.d4 Kb8 20.b4 Bc8 21.Bg2 Bd7 22.Ng4 Be8 
23.Nfh2 Bg6 24.Ra2 Nd7 25.Qd1 Rdf8 26.Qa4 Qb7 27.f4 h5 28.Nf6 g4 29.Nxd5 
exd5 30.Qb5 Be4 31.Bxe4 dxe4 32.Qxc4 b5 33.Qd5 Nb6 34.Qxb5 a6 35.Qe2 Nd5 
36.Rc2 e3 37.Qg2 Qd7 38.Nf1 Rxf4 39.gxf4 Nxf4 40.Qe4 Nh3+ 41.Kh1 Ng5 42.
Qg2 Rf8 43.Nxe3 Rf3 44.Rf1 Rh3+ 45.Kg1 Nf3+ 46.Rxf3 gxf3 47.Qg8+ Nd8 48.
Rh2 Rxh2 49.Kxh2 Qc6 50.Nd5 Qc4 51.Nxe7 Qe2+ 52.Kh1 Qe1+ 53.Kh2 Qe2+ 54.
Kh1 Qe1+ 55.Kh2 Qh4+ 56.Kg1 Qe1+ 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Cauchy, Daniel"]
[Black "Canda, Danilo"]
[Result "0-1"]
[ECO "B61"]
[EventDate "1980.08.17"]
[PlyCount "72"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 Bd7 7.Qd2 Rc8 8.f4 
Qa5 9.Rd1 a6 10.Be2 Qb6 11.Nb3 Nb4 12.Bd3 Ng4 13.Bh4 Qe3+ 14.Qxe3 Nxe3 15.
Rd2 g6 16.a3 Nxd3+ 17.cxd3 Bg7 18.d4 Nc4 19.Rc2 Nxb2 20.Rxb2 Rxc3 21.Kd2 
Rc8 22.Rc1 Rxc1 23.Nxc1 Bc6 24.Ke3 e5 25.Nb3 exd4+ 26.Nxd4 Kd7 27.Rb4 b5 
28.Bf2 Re8 29.Nxc6 Kxc6 30.Kd3 f5 31.exf5 gxf5 32.Be3 d5 33.g3 Re4 34.Bf2 
Bf8 35.Rb3 Ra4 36.h3 h5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Corral Blanco, Juan Antonio"]
[Black "Bates, Giles"]
[Result "1/2-1/2"]
[ECO "A44"]
[EventDate "1980.08.17"]
[PlyCount "83"]

1.d4 g6 2.c4 Bg7 3.Nc3 c5 4.d5 d6 5.Nf3 e5 6.e4 Ne7 7.Be2 Nd7 8.O-O f5 9.
Ng5 Nf6 10.f4 h6 11.fxe5 dxe5 12.Nf3 Nxe4 13.Nxe4 fxe4 14.Nd2 Nf5 15.Nxe4 
O-O 16.Bd3 b6 17.Bd2 Bd7 18.Qe1 Qe7 19.b4 Nd6 20.a3 Rxf1+ 21.Qxf1 Rf8 22.
Qe2 Bf5 23.Re1 Nxe4 24.Bxe4 Qf6 25.Bxf5 gxf5 26.bxc5 bxc5 27.Be3 Rc8 28.
Qf2 Bf8 29.g3 Qg6 30.Kh1 Kf7 31.Rf1 Kf6 32.Bd2 Qg4 33.Bc3 Bd6 34.Qf4 h5 
35.Kg2 Rg8 36.Kh1 Re8 37.Re1 Kg6 38.Bxe5 Bxe5 39.Rxe5 Rxe5 40.Qxe5 Qxc4 
41.Qe6+ Kg5 42.Qg8+ 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Cuijpers, Franciscus"]
[Black "Borg, Geoffrey"]
[Result "1-0"]
[ECO "C17"]
[EventDate "1980.08.17"]
[PlyCount "61"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.Bd2 Ne7 6.a3 Bxc3 7.Bxc3 cxd4 8.Qxd4 
Nf5 9.Qf4 Qh4 10.Qxh4 Nxh4 11.f4 Bd7 12.Bd4 Nf5 13.Bf2 Nc6 14.Nf3 f6 15.
exf6 gxf6 16.O-O-O O-O-O 17.c4 Nfe7 18.b4 Kb8 19.Kb2 dxc4 20.Bxc4 Bc8 21.
g4 e5 22.f5 b6 23.Bh4 Rhf8 24.Rxd8 Nxd8 25.Nxe5 Nxf5 26.gxf5 fxe5 27.Be7 
Re8 28.f6 Bf5 29.Rd1 Kc8 30.Rxd8+ Rxd8 31.f7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Damljanovic, Branko"]
[Black "Morales Moreno, Humberto"]
[Result "1-0"]
[WhiteElo "2335"]
[ECO "A48"]
[EventDate "1980.08.17"]
[PlyCount "71"]

1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.e3 O-O 5.h3 d6 6.Be2 c5 7.O-O Nbd7 8.c4 Re8 
9.Nc3 a6 10.Qc2 e5 11.dxe5 dxe5 12.Bh2 e4 13.Nd2 Qe7 14.a4 Nb8 15.Nd5 Nxd5
16.cxd5 Nd7 17.d6 Qe6 18.Bc4 Qf5 19.g4 Qf6 20.Nxe4 Qh4 21.Bg3 Qd8 22.Rfd1 
b6 23.Bd5 Rb8 24.Qc4 Rf8 25.Rd2 b5 26.axb5 axb5 27.Qc2 Qb6 28.Rc1 c4 29.b3
cxb3 30.Qxb3 Bb7 31.Rc7 Bxd5 32.Qxd5 Nf6 33.Nxf6+ Bxf6 34.Rc6 Qa5 35.d7 
Qa1+ 36.Rd1 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Lima, Darcy"]
[Black "Akesson, Ralf"]
[Result "0-1"]
[BlackElo "2230"]
[ECO "B46"]
[EventDate "1980.08.17"]
[PlyCount "92"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.Be2 Nge7 7.Be3 Nxd4 8.
Qxd4 b5 9.O-O Nc6 10.Qd2 Be7 11.f4 O-O 12.Rad1 d6 13.Bf3 Qc7 14.Qf2 Rb8 
15.Kh1 Bd7 16.Qg3 Kh8 17.e5 d5 18.f5 b4 19.Ne2 Qxe5 20.Bf4 Qxf5 21.Nd4 
Nxd4 22.Bxb8 Nxf3 23.Bd6 Re8 24.Bxe7 Rxe7 25.Rxf3 Qxc2 26.Rdf1 Qc8 27.Qd6 
Qe8 28.Rc1 Bb5 29.Qxb4 h6 30.Rfc3 Qd7 31.Rc7 Qxc7 32.Rxc7 Rxc7 33.Kg1 Kh7 
34.Qd2 Rc4 35.b3 Re4 36.a4 Be2 37.b4 d4 38.Kf2 Bc4 39.b5 axb5 40.a5 d3 41.
Qb4 Re2+ 42.Kf3 Ra2 43.Ke3 f5 44.h4 d2 45.Qb1 Rb2 46.Qa1 Bb3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Fasheyitan, Olufemi"]
[Black "Gerbert, Philipp"]
[Result "0-1"]
[ECO "A49"]
[EventDate "1980.08.17"]
[PlyCount "116"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d6 6.Nbd2 Nbd7 7.e4 e5 8.c3 Re8
9.Re1 exd4 10.cxd4 c5 11.dxc5 Nxc5 12.Qc2 Bd7 13.e5 Bf5 14.Qc4 Nfe4 15.
Nxe4 Nxe4 16.Qb4 d5 17.Qxb7 Nc5 18.Qb5 Nd3 19.Bg5 Qb8 20.Qxb8 Raxb8 21.Re2
Nxb2 22.Nd4 Bd7 23.f4 h6 24.Bh4 g5 25.fxg5 Bxe5 26.Nf3 Bg7 27.Rxe8+ Rxe8 
28.gxh6 Bxh6 29.Bg5 Bg7 30.Re1 Bd4+ 31.Kh1 Rxe1+ 32.Nxe1 Bc3 33.Bc1 d4 34.
Bxb2 Bxb2 35.Nd3 Bc3 36.Kg1 Be6 37.a3 Bd2 38.Kf2 Be3+ 39.Ke1 f5 40.h3 Kg7 
41.Bc6 Bc4 42.Ne5 Ba6 43.a4 Kf6 44.Nf3 Ke6 45.Bb5 Bxb5 46.axb5 Kd5 47.Ke2 
Kc4 48.Nh4 f4 49.g4 d3+ 50.Kd1 Kxb5 51.g5 Bd4 52.Nf5 Bc3 53.h4 f3 54.h5 f2
55.Ne3 a5 56.Nf1 a4 57.Kc1 a3 58.Kb1 d2 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Hansen, Curt"]
[Black "Tempone, Marcelo"]
[Result "1/2-1/2"]
[BlackElo "2235"]
[ECO "C29"]
[EventDate "1980.08.17"]
[PlyCount "28"]

1.e4 e5 2.Nc3 Nf6 3.f4 d5 4.fxe5 Nxe4 5.Nf3 Be7 6.Qe2 Ng5 7.d4 c6 8.Nxg5 
Bxg5 9.Be3 Be6 10.O-O-O Nd7 11.Qd2 Bxe3 12.Qxe3 Qe7 13.Qg3 g6 14.Bd3 O-O-O
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Hjorth, Gregory"]
[Black "Sequeira, Fernando"]
[Result "1-0"]
[ECO "E67"]
[EventDate "1980.08.17"]
[PlyCount "81"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d6 6.c4 Nbd7 7.Nc3 Re8 8.Qc2 e5
9.Rd1 c6 10.b3 Qc7 11.Ba3 Bf8 12.e3 Rb8 13.Rac1 exd4 14.Nxd4 Nc5 15.b4 Ne6
16.Nf3 a6 17.Bb2 Bg7 18.Rd2 b5 19.cxb5 axb5 20.Ne2 Rb6 21.Nfd4 c5 22.Nxe6 
Bxe6 23.bxc5 dxc5 24.Qxc5 Qxc5 25.Rxc5 b4 26.Nc1 Nd7 27.Rc7 Ne5 28.Bd4 
Rbb8 29.Rdc2 Bf5 30.R2c5 Nd7 31.Rxf5 gxf5 32.Rxd7 Red8 33.Rxd8+ Rxd8 34.
Nb3 Rc8 35.Bd5 Bf8 36.Bf6 Rc2 37.Nd4 Rc5 38.Bb3 Bd6 39.Kg2 Ra5 40.Nc6 Ra6 
41.Ne7+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "James, Stephen"]
[Black "Lirindzakis, Stayros"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1980.08.17"]
[PlyCount "71"]

1.g3 d5 2.Bg2 Nf6 3.d3 e6 4.Nd2 c5 5.c3 Nc6 6.Ngf3 Be7 7.O-O O-O 8.e4 b5 
9.Re1 b4 10.Nf1 bxc3 11.bxc3 dxe4 12.dxe4 Qxd1 13.Rxd1 Ba6 14.Bg5 Rfd8 15.
Bxf6 Bxf6 16.e5 Rxd1 17.Rxd1 Rd8 18.Re1 Be7 19.Ng5 Bxg5 20.Bxc6 Rd3 21.Rb1
g6 22.f4 Bd8 23.Be4 Rd7 24.Bc6 Rc7 25.Be4 f5 26.Bf3 Rd7 27.Rb8 Kf7 28.Kf2 
Ba5 29.Rb3 Bb6 30.Rb2 h6 31.Ne3 Ba5 32.Rc2 Bd3 33.Rc1 c4 34.Be2 Bb6 35.Rd1
g5 36.h3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Kaspret, Guido"]
[Black "Utut Adianto"]
[Result "1/2-1/2"]
[ECO "D41"]
[EventDate "1980.08.17"]
[PlyCount "99"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.g3 O-O 6.Bg2 c5 7.cxd5 Nxd5 8.O-O 
Nc6 9.Nxd5 exd5 10.dxc5 Bxc5 11.Bf4 Bf5 12.Rc1 Bb6 13.Ne5 Qf6 14.Nxc6 bxc6
15.Qd2 Rac8 16.b4 h6 17.a4 a6 18.Rfd1 Rfe8 19.Be3 Bxe3 20.fxe3 Qe7 21.Kf2 
Qb7 22.Rc5 Be4 23.Rdc1 Bxg2 24.Kxg2 Rb8 25.Rxc6 Qxb4 26.Qxb4 Rxb4 27.Rxa6 
Rxe3 28.Kf2 Ra3 29.Rc8+ Kh7 30.Ra7 Rbxa4 31.Rxf7 Ra7 32.Rxa7 Rxa7 33.Rf8 
Kg6 34.Kf3 Rf7+ 35.Rxf7 Kxf7 36.Kf4 Kf6 37.h4 g5+ 38.Kg4 Kg6 39.h5+ Kf6 
40.Kf3 Ke5 41.Ke3 Kf5 42.Kd4 Kg4 43.Kxd5 Kxg3 44.e4 Kh4 45.e5 g4 46.e6 g3 
47.e7 g2 48.e8=Q g1=Q 49.Qg6 Qd1+ 50.Ke4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Long, Peter"]
[Black "Karolyi, Tibor"]
[Result "0-1"]
[BlackElo "2300"]
[ECO "A36"]
[EventDate "1980.08.17"]
[PlyCount "72"]

1.c4 Nf6 2.Nc3 c5 3.g3 e6 4.Nf3 d5 5.cxd5 Nxd5 6.Bg2 Nc6 7.O-O Be7 8.Nxd5 
exd5 9.d4 Bf5 10.Be3 c4 11.Ne5 O-O 12.Rc1 Rc8 13.h3 b5 14.f4 f6 15.Nxc6 
Rxc6 16.g4 Be4 17.Bxe4 dxe4 18.f5 Qd5 19.Bf2 Rfc8 20.e3 b4 21.Be1 Ra6 22.
Ra1 c3 23.bxc3 bxc3 24.Rc1 Bb4 25.a4 Qa2 26.Rf2 Qxa4 27.Qxa4 Rxa4 28.Rf4 
c2 29.Bxb4 Rxb4 30.Rff1 a5 31.Ra1 a4 32.Rfc1 a3 33.Kf2 Rb2 34.Ke2 a2 35.
Kd2 Kf7 36.Ke2 Rb1 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "McNab, Colin Anderson"]
[Black "Guerra Osio, Jose Luis"]
[Result "1/2-1/2"]
[ECO "A00"]
[EventDate "1980.08.17"]
[PlyCount "42"]

1.g3 Nf6 2.Bg2 e6 3.b3 Be7 4.Bb2 O-O 5.Nf3 b6 6.Ne5 d5 7.d4 Bb7 8.Nd2 Na6 
9.O-O c5 10.c3 cxd4 11.cxd4 Rc8 12.a3 Nc7 13.b4 Nb5 14.Qb3 Ne4 15.Qd3 Nbd6
16.Rfc1 b5 17.Rxc8 Qxc8 18.Rc1 Qa8 19.Nd7 Rd8 20.Nc5 Nc4 21.Nxb7 Nxb2 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Negulescu, Adrian"]
[Black "Kasparov, Garry"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2595"]
[ECO "A26"]
[EventDate "1980.08.17"]
[PlyCount "69"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O e5 7.d3 Nc6 8.Rb1 a5 
9.a3 Nd4 10.b4 axb4 11.axb4 c6 12.b5 Bg4 13.bxc6 bxc6 14.e3 Nxf3+ 15.Bxf3 
Bxf3 16.Qxf3 d5 17.cxd5 cxd5 18.e4 d4 19.Nd1 Nd7 20.Bd2 Nc5 21.Rb5 Ne6 22.
Nb2 Rb8 23.Rd5 Rxb2 24.Rxd8 Rxd8 25.Rd1 Ra8 26.h4 Raa2 27.Bg5 Bf8 28.Bf6 
Bh6 29.Bxe5 Rxf2 30.Qxf2 Be3 31.Qxe3 dxe3 32.Re1 e2 33.d4 Rd2 34.Kf2 Nxd4 
35.Bxd4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Obando, Arnoldo"]
[Black "Stigar, Petter"]
[Result "1/2-1/2"]
[ECO "B32"]
[EventDate "1980.08.17"]
[PlyCount "40"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.c3 e6 5.cxd4 d5 6.e5 Nge7 7.Na3 Nf5 8.Nc2 
Qb6 9.Bd3 Bb4+ 10.Bd2 Be7 11.O-O Bd7 12.Bc3 h5 13.Qd2 a5 14.Bxf5 exf5 15.
Qf4 Be6 16.a4 Kd7 17.h4 g6 18.Na3 Ra6 19.Rfc1 Rc8 20.Rd1 Na7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Pajak, Jan"]
[Black "Valiente, Cristobal"]
[Result "1-0"]
[ECO "B05"]
[EventDate "1980.08.17"]
[PlyCount "105"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.c4 Nb6 7.exd6 cxd6 8.Nc3 
Be7 9.Be3 O-O 10.h3 Bh5 11.O-O d5 12.c5 Bxf3 13.gxf3 N6d7 14.b4 Bf6 15.Qd3
b6 16.Rfc1 a5 17.a3 axb4 18.axb4 Rxa1 19.Rxa1 bxc5 20.bxc5 Nxc5 21.dxc5 d4
22.Ne4 dxe3 23.Qxd8 exf2+ 24.Kxf2 Bxd8 25.Bb5 f5 26.Nd6 Be7 27.Bc4 Bxd6 
28.Bxe6+ Kh8 29.cxd6 g6 30.Rc1 Kg7 31.d7 Kf6 32.Rc8 Kxe6 33.Re8+ Kxd7 34.
Rxf8 Nc6 35.Rf7+ Ke6 36.Rxh7 f4 37.Rh8 Nd4 38.Rf8 Ke5 39.Re8+ Kf5 40.Rf8+ 
Ke5 41.Re8+ Kf5 42.Ra8 Kg5 43.Ra4 Ne6 44.Ke2 Kf5 45.Ra5+ Kf6 46.Ra6 Kf5 
47.Ra5+ Kf6 48.Rd5 Ng7 49.Kd3 Ne6 50.Ke4 g5 51.Rb5 Kf7 52.Ke5 Ng7 53.Rb6 
1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Rodas Maritni, Pablo"]
[Black "Tassi, Oliviero"]
[Result "1-0"]
[ECO "B51"]
[EventDate "1980.08.17"]
[PlyCount "57"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.a4 Nf6 5.Nc3 a6 6.Be2 e6 7.d4 Be7 8.O-O cxd4
9.Nxd4 O-O 10.f4 Qc7 11.Bf3 Re8 12.Kh1 Bf8 13.g4 Nb6 14.g5 Nfd7 15.Qe1 Qc5
16.Nb3 Qc7 17.Qh4 Nc5 18.Rg1 Nbd7 19.Rg3 Be7 20.f5 Nxb3 21.cxb3 exf5 22.
Nd5 Qd8 23.exf5 Ne5 24.f6 Nxf3 25.Rxf3 Bf8 26.fxg7 Bxg7 27.Nf6+ Bxf6 28.
gxf6 Kh8 29.Bh6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Santo-Roman, Marc"]
[Black "Danailov, Silvio"]
[Result "1/2-1/2"]
[WhiteElo "2205"]
[BlackElo "2295"]
[ECO "B81"]
[EventDate "1980.08.17"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 h6 7.Bg2 Be7 8.h3 a6 
9.Be3 Qc7 10.Qe2 g5 11.O-O-O Nbd7 12.h4 Rg8 13.hxg5 hxg5 14.f3 Ne5 15.Bf1 
Nfd7 16.Qd2 Nf8 17.Rh5 f6 18.Bd3 Bd7 19.Nce2 O-O-O 20.Kb1 Kb8 21.Rh3 Bc8 
22.Bf2 Nfg6 23.Qe3 Qc5 24.Rh7 Rh8 25.Rdh1 Rxh7 26.Rxh7 Rh8 27.Rxh8 Nxh8 
28.Be1 Nhg6 29.Qg1 Bd8 30.Qh1 Nxd3 31.cxd3 Ne5 32.b4 Qb6 33.Kc2 Bd7 34.Bc3
a5 35.Qb1 axb4 36.Qxb4 Qa6 37.Nc1 Ka8 38.Kd2 Qb6 39.Qxb6 Bxb6 40.Ke2 Ng6 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Short, Nigel David"]
[Black "Shrentzel, Mordechai"]
[Result "1-0"]
[WhiteElo "2360"]
[ECO "B10"]
[EventDate "1980.08.17"]
[PlyCount "61"]

1.e4 c6 2.c4 d5 3.exd5 cxd5 4.cxd5 Nf6 5.Bb5+ Nbd7 6.Nc3 a6 7.Qa4 g6 8.Nf3
Bg7 9.O-O O-O 10.Bxd7 Qxd7 11.Qxd7 Bxd7 12.Re1 Rfe8 13.d4 Rad8 14.Bg5 Bf5 
15.Bxf6 Bxf6 16.Ne5 Bg7 17.h3 f6 18.Nc4 b5 19.Ne3 Bc8 20.Nc2 a5 21.Nxb5 
Bf5 22.Ne3 Rb8 23.Nxf5 gxf5 24.a4 Kf7 25.Rac1 Rbd8 26.d6 e5 27.Rc7+ Kg6 
28.dxe5 fxe5 29.Rd1 e4 30.d7 Re7 31.Na7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Tavares, Shawn"]
[Black "Fowler, Jim"]
[Result "1-0"]
[ECO "C44"]
[EventDate "1980.08.17"]
[PlyCount "85"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Bb4+ 5.c3 dxc3 6.O-O d6 7.a3 Bc5 8.b4 
Bb6 9.Qb3 Qe7 10.Nxc3 Nf6 11.Bg5 Be6 12.Nd5 Bxd5 13.exd5 Ne5 14.Bb5+ Kf8 
15.Rfe1 h6 16.Bh4 a6 17.Ba4 g5 18.Bg3 Nfg4 19.h3 Nxf2 20.Bxf2 Bxf2+ 21.
Kxf2 b5 22.Qc3 bxa4 23.Nxe5 dxe5 24.Rxe5 Qf6+ 25.Kg1 Kg7 26.Rf1 Qb6+ 27.
Kh1 Kg8 28.Re7 Rh7 29.Rxc7 Re8 30.Rd1 g4 31.Rc8 Rxc8 32.Qxc8+ Kg7 33.Qxg4+
Qg6 34.Qd4+ Qf6 35.d6 Qxd4 36.Rxd4 Rh8 37.d7 Rd8 38.Rd6 a5 39.b5 Kf8 40.
Rd4 Ke7 41.Rxa4 Ra8 42.Rd4 Kd8 43.a4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Toro Sanchez, Bernardo"]
[Black "Arnason, Jon"]
[Result "1/2-1/2"]
[WhiteElo "2265"]
[BlackElo "2435"]
[ECO "E54"]
[EventDate "1980.08.17"]
[PlyCount "104"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nf3 O-O 6.Be2 d5 7.O-O dxc4 8.Bxc4 
Qe7 9.Qe2 Nc6 10.dxc5 Qxc5 11.e4 Ng4 12.Bb5 Bd7 13.h3 Nge5 14.Be3 Nxf3+ 
15.Qxf3 Qe7 16.Rfd1 a6 17.Bf1 Rac8 18.Rac1 Ne5 19.Qg3 f6 20.Bf4 Bd6 21.Qe3
Bb8 22.Bg3 Rfd8 23.Rd2 Bc6 24.Rcd1 Rxd2 25.Rxd2 Bd6 26.Rd1 Bc5 27.Qd2 b5 
28.a3 Qb7 29.b4 Be7 30.f3 Be8 31.Bf2 Nc4 32.Bxc4 Rxc4 33.Rc1 a5 34.Na2 
axb4 35.Rxc4 bxc4 36.axb4 Qa6 37.Be1 Qa3 38.Kf2 Ba4 39.Nc1 Bb5 40.Ne2 Qa7+
41.Qd4 Qb8 42.Bd2 Bd6 43.g3 Kf8 44.Kg2 Ke7 45.Bc3 Bd7 46.Qd2 Qb6 47.Nd4 
Qc7 48.Ne2 Qb8 49.h4 Be8 50.Qd4 Qc7 51.Qd2 Qb8 52.Qd4 Qc7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Tovillas, Daniel"]
[Black "Ye Rongguang"]
[Result "1/2-1/2"]
[ECO "A01"]
[EventDate "1980.08.17"]
[PlyCount "139"]

1.b3 d5 2.Bb2 Bf5 3.Nf3 Nf6 4.e3 Nbd7 5.Be2 h6 6.O-O e6 7.d3 Be7 8.Nbd2 c6
9.Kh1 Qc7 10.a3 Bh7 11.c4 Rd8 12.cxd5 exd5 13.b4 O-O 14.Qb3 a6 15.Rfc1 Ne8
16.Nd4 Qb6 17.Bc3 Nd6 18.Qb2 Bf6 19.N4b3 Bxc3 20.Qxc3 Rb8 21.Nf1 Qd8 22.
Ng3 Qf6 23.Qd2 Bg6 24.Nc5 Rfd8 25.Kg1 Qh4 26.a4 Ne5 27.h3 Nd7 28.Nxd7 Rxd7
29.d4 Qg5 30.Bd3 Re8 31.b5 cxb5 32.axb5 Bxd3 33.Qxd3 Nxb5 34.Ne2 Qf6 35.
Rc5 Red8 36.Qb3 Qd6 37.Rac1 g5 38.h4 Qg6 39.hxg5 hxg5 40.f3 b6 41.Rc8 Kg7 
42.R1c6 Rd6 43.Rxd8 Rxc6 44.Qxd5 Nc7 45.Qe5+ Qf6 46.Qxf6+ Kxf6 47.Rb8 a5 
48.e4 a4 49.Kf2 a3 50.Rh8 a2 51.Rh1 b5 52.Rh6+ Kg7 53.Rxc6 a1=Q 54.Rxc7 
Qa6 55.Rc5 b4 56.Rxg5+ Kh6 57.Rc5 b3 58.Ke3 b2 59.Nc3 Qb6 60.g4 Kg6 61.Kd2
b1=Q 62.Nxb1 Qxb1 63.Rd5 Qf1 64.Ke3 Qe1+ 65.Kf4 Qd2+ 66.Kg3 Kg7 67.Rf5 
Qxd4 68.Kf4 Qf2 69.Rg5+ Kf8 70.Rb5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Weider, Dariusz"]
[Black "Valkesalmi, Kimmo"]
[Result "1/2-1/2"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "51"]

1.e4 c5 2.d4 cxd4 3.c3 Nf6 4.e5 Nd5 5.Nf3 Nc6 6.cxd4 d6 7.Bc4 Nb6 8.Bb5 
dxe5 9.Nxe5 Bd7 10.Bxc6 Bxc6 11.Nxc6 bxc6 12.O-O g6 13.Be3 Bg7 14.Nc3 O-O 
15.Rc1 e6 16.Na4 Qd5 17.Nc3 Qa5 18.Qe2 Rfd8 19.Rfd1 Nd5 20.a3 Ne7 21.Ne4 
Qb5 22.Qc2 Nf5 23.Nc3 Qa6 24.Ne2 Rab8 25.Rd2 Rb6 26.Qc4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Yoshida, Tetsuo"]
[Black "Lasar, Yves"]
[Result "0-1"]
[ECO "C14"]
[EventDate "1980.08.17"]
[PlyCount "72"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 O-O 8.Nf3 
c5 9.Qd2 Nc6 10.O-O-O a6 11.g4 b5 12.g5 Bb7 13.Bg2 Rac8 14.h4 cxd4 15.Nxd4
Nxd4 16.Qxd4 Rc4 17.Qd2 Rfc8 18.a3 Rxc3 19.bxc3 Qxa3+ 20.Kb1 Rxc3 21.Qc1 
Qb4+ 22.Qb2 Rc4 23.Rd3 Nc5 24.Rg3 Qd2 25.c3 Qxf4 26.Rf3 Qe4+ 27.Qc2 Qxc2+ 
28.Kxc2 d4 29.Rg3 Bxg2 30.Rxg2 Rxc3+ 31.Kb1 d3 32.Rc1 b4 33.Kb2 Ne4 34.Rg4
Rxc1 35.Kxc1 d2+ 36.Kc2 d1=Q+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Zabihi, Ali"]
[Black "Allen, Keith"]
[Result "1-0"]
[ECO "E19"]
[EventDate "1980.08.17"]
[PlyCount "65"]

1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.d4 e6 5.Bg2 Be7 6.Nc3 Ne4 7.Qc2 Nxc3 8.Qxc3 
O-O 9.O-O f5 10.b3 Bf6 11.Bb2 d6 12.Qd2 Qe7 13.Ne1 Bxg2 14.Nxg2 g5 15.Qc2 
Qg7 16.Rad1 Nc6 17.Qd3 Nb4 18.Qd2 a5 19.a3 Nc6 20.Ba1 Rae8 21.Qd3 f4 22.
Qe4 Nd8 23.gxf4 gxf4 24.Qxf4 Kh8 25.Rd3 Be5 26.Qh4 Rf4 27.Qh5 Rg8 28.Rg3 
Rf5 29.Rxg7 Bxg7 30.Qh3 Rg5 31.Kh1 Nf7 32.Qxe6 Nh6 33.Ne3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "4"]
[White "Zuger, Beat"]
[Black "Morovic Fernandez, Ivan"]
[Result "1/2-1/2"]
[WhiteElo "2235"]
[BlackElo "2380"]
[ECO "E68"]
[EventDate "1980.08.17"]
[PlyCount "35"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.c4 d6 6.Nc3 e5 7.d4 Nbd7 8.e4 c6 
9.Rb1 a6 10.Qc2 b5 11.Rd1 Qe7 12.cxb5 axb5 13.dxe5 dxe5 14.b4 Bb7 15.Bh3 
Ra6 16.Bg5 Nb6 17.Be3 Rfa8 18.Nd2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Utut Adianto"]
[Black "Bischoff, Klaus"]
[Result "1/2-1/2"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "87"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bc4 e6 5.O-O Nd7 6.Re1 Ne7 7.Bf4 h6 8.h4 a6 9.
c3 b6 10.Nbd2 Bb7 11.Qc2 Nf6 12.e5 Nfd5 13.Bh2 Nf5 14.exd6 Nxd6 15.Bd3 O-O
16.Be5 Nf6 17.c4 c5 18.Rad1 cxd4 19.Nxd4 Ng4 20.Bxg7 Kxg7 21.f3 Ne4 22.
N2b3 Qxh4 23.fxg4 Ng3 24.Nf3 Qxg4 25.Qf2 Rad8 26.Nh2 Qh4 27.Re3 Nf5 28.
Qxh4 Nxh4 29.Nf3 Nf5 30.Ree1 Rc8 31.Bxf5 exf5 32.Rd6 Rxc4 33.Rxb6 Bxf3 34.
gxf3 Rc2 35.Rb1 a5 36.Nxa5 Ra8 37.Rb5 Re8 38.Nb3 Ree2 39.Nd4 Rg2+ 40.Kf1 
Rcf2+ 41.Ke1 Rh2 42.Re5 Rfg2 43.Kf1 Rf2+ 44.Kg1 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Akesson, Ralf"]
[Black "Negulescu, Adrian"]
[Result "1-0"]
[WhiteElo "2230"]
[BlackElo "2410"]
[ECO "B27"]
[EventDate "1980.08.17"]
[PlyCount "105"]

1.c4 g6 2.e4 c5 3.Nf3 Bg7 4.d4 Nc6 5.d5 Nd4 6.Nxd4 cxd4 7.Na3 a6 8.Bd3 e5 
9.c5 Bf8 10.b4 b6 11.Nc4 bxc5 12.bxc5 Bxc5 13.Qa4 f6 14.f4 exf4 15.Bxf4 
Kf7 16.O-O Ra7 17.Bd6 Bxd6 18.Nxd6+ Kg7 19.Qxd4 Ra8 20.Rac1 a5 21.e5 Ba6 
22.Bxa6 Rxa6 23.Rc7 f5 24.Rb1 Rxd6 25.exd6+ Nf6 26.Rbb7 Kf7 27.Qa4 Qe8 28.
Kf1 g5 29.Qxa5 Qe4 30.Qc3 Rd8 31.Rb4 Qxd5 32.Qb3 Ke6 33.Ra7 Ne4 34.Qxd5+ 
Kxd5 35.Rb6 Ke6 36.a4 Rc8 37.Rc7 Ra8 38.Rb4 Kxd6 39.Rcb7 Ke6 40.Rb8 Ra5 
41.R8b5 Ra8 42.g4 d5 43.Rb8 Ra7 44.Re8+ Kd6 45.gxf5 Rf7 46.Rd8+ Ke5 47.a5 
Rxf5+ 48.Kg1 Rf4 49.Rb5 Nc3 50.Re8+ Kd6 51.Rb6+ Kc7 52.Re7+ Kc8 53.a6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Allen, Keith"]
[Black "Tovillas, Daniel"]
[Result "0-1"]
[ECO "A31"]
[EventDate "1980.08.17"]
[PlyCount "106"]

1.d4 Nf6 2.c4 c5 3.Nf3 cxd4 4.Nxd4 b6 5.Nc3 Bb7 6.Bg5 e6 7.e4 d6 8.Be2 Be7
9.Qa4+ Qd7 10.Qxd7+ Nfxd7 11.Bxe7 Kxe7 12.Ndb5 a6 13.Nd4 Nc6 14.Rd1 Rac8 
15.O-O Nce5 16.b3 g5 17.Rc1 h5 18.Rfd1 g4 19.f4 Ng6 20.g3 Nc5 21.Re1 h4 
22.Bf1 hxg3 23.hxg3 Rh5 24.b4 Nd7 25.Rc2 Ngf8 26.Bg2 Ba8 27.Nd1 Nh7 28.Nf2
Nhf6 29.Nd3 b5 30.cxb5 Rxc2 31.Nxc2 Rxb5 32.a4 Rb8 33.Ne3 Nxe4 34.Nc4 f5 
35.Rb1 Ndf6 36.b5 axb5 37.axb5 Nd5 38.Bxe4 fxe4 39.Nf2 e3 40.Nxg4 Rg8 41.
Ngxe3 Nxe3 42.Nxe3 Rxg3+ 43.Kf2 Rf3+ 44.Ke2 Rxf4 45.Kd2 Rf8 46.Kc3 d5 47.
Ra1 e5 48.Kb4 d4 49.Ra7+ Kf6 50.Nc2 Be4 51.Ne1 Rc8 52.Ra1 Kf5 53.Rd1 Kf4 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Arnason, Jon"]
[Black "Kasparov, Garry"]
[Result "0-1"]
[WhiteElo "2435"]
[BlackElo "2595"]
[ECO "B92"]
[EventDate "1980.08.17"]
[PlyCount "116"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.Bg5 
Be6 9.Bxf6 Bxf6 10.Qd3 Nc6 11.Nd5 Bg5 12.O-O Ne7 13.Nxe7 Qxe7 14.Rfd1 Rd8 
15.Na5 O-O 16.Nc4 d5 17.exd5 Rxd5 18.Qf3 Rfd8 19.Rxd5 Bxd5 20.Qf5 b5 21.
Ne3 Bb7 22.Rd1 Rxd1+ 23.Bxd1 g6 24.Qd3 Qb4 25.Qd7 Qe7 26.Qd3 e4 27.Qd2 Qd8
28.Qxd8+ Bxd8 29.c3 Kg7 30.a4 bxa4 31.Bxa4 f5 32.g3 Kf6 33.h4 Bc8 34.Bd1 
h6 35.Be2 a5 36.Bb5 Ke5 37.Nc4+ Kd5 38.Ne3+ Kc5 39.Be8 g5 40.hxg5 hxg5 41.
Bg6 f4 42.gxf4 gxf4 43.Ng2 Kc4 44.Nxf4 Kb3 45.Bxe4 Kxb2 46.Bc6 Kxc3 47.Kf1
Kd2 48.Bb5 Bf5 49.Nd5 Bd3+ 50.Bxd3 Kxd3 51.Ke1 a4 52.Kd1 a3 53.Kc1 Kc4 54.
Ne3+ Kb3 55.f4 Bc7 56.Kb1 a2+ 57.Ka1 Ba5 58.Nd5 Bd2 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Atalik, Suat"]
[Black "Zuger, Beat"]
[Result "0-1"]
[BlackElo "2235"]
[ECO "E74"]
[EventDate "1980.08.17"]
[PlyCount "50"]

1.d4 Nf6 2.c4 d6 3.Nc3 g6 4.e4 Bg7 5.Be2 O-O 6.Bg5 c5 7.d5 Qb6 8.Nf3 h6 9.
Bd2 e6 10.Qc2 exd5 11.cxd5 Bg4 12.O-O Nbd7 13.h3 Bxf3 14.Bxf3 Qd8 15.Bf4 
Qe7 16.Qb3 Ne5 17.Bxe5 Qxe5 18.Qxb7 Rab8 19.Qxa7 Rxb2 20.Qa3 Rfb8 21.Rfb1 
Qxc3 22.Qxc3 Rxb1+ 23.Bd1 Nd7 24.Rxb1 Bxc3 25.Rxb8+ Nxb8 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Bates, Giles"]
[Black "Fasheyitan, Olufemi"]
[Result "1-0"]
[ECO "A13"]
[EventDate "1980.08.17"]
[PlyCount "47"]

1.Nf3 Nf6 2.g3 d5 3.c4 e6 4.Bg2 Bd6 5.d4 O-O 6.Nc3 c6 7.O-O Nbd7 8.Bg5 h6 
9.Bxf6 Nxf6 10.Ne5 Qc7 11.f4 Bd7 12.Rc1 dxc4 13.Nxc4 c5 14.d5 Be8 15.e4 e5
16.fxe5 Bxe5 17.d6 Bd4+ 18.Qxd4 cxd4 19.dxc7 dxc3 20.e5 Bb5 21.Rxc3 Nd7 
22.Bxb7 Rac8 23.Bxc8 Rxc8 24.Nd6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Benjamin, Joel"]
[Black "McNab, Colin Anderson"]
[Result "1-0"]
[WhiteElo "2350"]
[ECO "A41"]
[EventDate "1980.08.17"]
[PlyCount "85"]

1.d4 g6 2.c4 d6 3.Nc3 Nd7 4.Nf3 Bg7 5.Bg5 h6 6.Bh4 c5 7.e3 Ngf6 8.Be2 g5 
9.Bg3 Nh5 10.Qc2 b6 11.O-O Ndf6 12.Rad1 Nxg3 13.hxg3 O-O 14.e4 Nd7 15.d5 
a6 16.a4 Ne5 17.Nh2 Ng6 18.Qd2 Bd4 19.Nf3 Bg7 20.Kh1 Qe8 21.Nh2 Bd7 22.b3 
Qc8 23.f4 gxf4 24.gxf4 f5 25.Bh5 Be8 26.exf5 Nh4 27.Bxe8 Nxf5 28.Qd3 Qxe8 
29.Rde1 Nd4 30.Ne4 Qf7 31.Qh3 b5 32.Ng4 bxc4 33.bxc4 Nf5 34.Ng3 Qg6 35.Re6
Nxg3+ 36.Qxg3 Qh5+ 37.Nh2 Kf7 38.Qe3 Bf6 39.g4 Qh4 40.g5 Bd4 41.Rxe7+ Kg8 
42.Qe6+ Kh8 43.g6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Borg, Geoffrey"]
[Black "Lasar, Yves"]
[Result "1-0"]
[ECO "C02"]
[EventDate "1980.08.17"]
[PlyCount "55"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 c4 7.g3 Bd7 8.Nbd2 Na5 9.
h4 h6 10.Rb1 O-O-O 11.Bh3 Be7 12.Qe2 Ba4 13.O-O Qc6 14.Ne1 g5 15.Qh5 gxh4 
16.Qxf7 hxg3 17.Qg7 gxf2+ 18.Rxf2 Bh4 19.Qxh8 Bxf2+ 20.Kxf2 Qd7 21.Ndf3 
Qf7 22.Be3 Qg6 23.Rc1 Nb3 24.Nh4 Rf8+ 25.Nef3 Qh5 26.Bxe6+ Kb8 27.Rh1 
Rxf3+ 28.Nxf3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Canda, Danilo"]
[Black "Weider, Dariusz"]
[Result "1/2-1/2"]
[ECO "B33"]
[EventDate "1980.08.17"]
[PlyCount "110"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.a4 a6 8.Na3 
Be6 9.Nc4 Be7 10.Bg5 O-O 11.Bxf6 Bxf6 12.Qxd6 Bg5 13.Qxd8 Raxd8 14.Rd1 
Rxd1+ 15.Nxd1 Nd4 16.Nce3 Bd7 17.b3 Bc6 18.Bd3 Rd8 19.Nb2 Bxe3 20.fxe3 Ne6
21.Nd1 Nc5 22.Nf2 Kf8 23.Ke2 Ke7 24.a5 f6 25.g4 h5 26.h3 Ne6 27.b4 hxg4 
28.hxg4 Ng5 29.c4 Bd7 30.Rh4 Rb8 31.Nd1 Be6 32.Nc3 Rc8 33.c5 Rd8 34.Nd5+ 
Bxd5 35.exd5 Rxd5 36.c6 bxc6 37.Bxa6 Rd8 38.Bb7 Kd6 39.a6 Kc7 40.Rh1 Kb6 
41.Rc1 Rd6 42.Bxc6 Kxa6 43.Ra1+ Kb6 44.b5 Ne6 45.Ra6+ Kc5 46.Ra7 g6 47.Re7
Kb6 48.Rb7+ Kc5 49.Be8 f5 50.Bxg6 fxg4 51.Bf5 Nd8 52.Rb8 g3 53.Kf3 Rf6 54.
Rxd8 Rxf5+ 55.Kxg3 e4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Corral Blanco, Juan Antonio"]
[Black "Long, Peter"]
[Result "1/2-1/2"]
[ECO "A59"]
[EventDate "1980.08.17"]
[PlyCount "36"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 g6 7.Nf3 Bg7 8.e4 
Bxf1 9.Kxf1 d6 10.g3 O-O 11.Kg2 Nbd7 12.h3 Qa5 13.Qe2 Rfb8 14.Rb1 Ne8 15.
Bf4 Bxc3 16.bxc3 Qxc3 17.e5 Nb6 18.Rhc1 Qa3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Danailov, Silvio"]
[Black "Guerra Osio, Jose Luis"]
[Result "1-0"]
[WhiteElo "2295"]
[ECO "B97"]
[EventDate "1980.08.17"]
[PlyCount "77"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Nb3 
Nbd7 9.Qf3 Qc7 10.Bd3 Be7 11.O-O-O b5 12.Bxf6 Nxf6 13.e5 Bb7 14.Qg3 dxe5 
15.fxe5 Nh5 16.Qe3 h6 17.h4 g5 18.Kb1 gxh4 19.Nxb5 axb5 20.Bxb5+ Kf8 21.
Rd7 Qc8 22.Rf1 Ng3 23.Qf4 Nxf1 24.Rxe7 Rh7 25.Qb4 Ne3 26.Re8+ Kg7 27.Qf8+ 
Kg6 28.Bd3+ Kh5 29.Rxc8 Rxc8 30.Qe7 Bxg2 31.Bxh7 h3 32.Qxf7+ Kh4 33.Qf2+ 
Kg4 34.Bd3 Rf8 35.Qxf8 h2 36.Qxh6 h1=Q+ 37.Qxh1 Bxh1 38.Nd4 Bd5 39.b3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Lima, Darcy"]
[Black "Hjorth, Gregory"]
[Result "1/2-1/2"]
[ECO "B02"]
[EventDate "1980.08.17"]
[PlyCount "36"]

1.e4 Nf6 2.Nc3 d5 3.exd5 Nxd5 4.g3 b6 5.Bg2 Bb7 6.Nf3 e6 7.O-O Nxc3 8.bxc3
Be7 9.a4 a5 10.Nd4 Bxg2 11.Kxg2 Qd5+ 12.Qf3 Qxf3+ 13.Kxf3 Kd7 14.Re1 Bf6 
15.Nb5 Nc6 16.d4 Ne7 17.Be3 Nf5 18.Rab1 Nd6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Gerbert, Philipp"]
[Black "Damljanovic, Branko"]
[Result "1/2-1/2"]
[BlackElo "2335"]
[ECO "B59"]
[EventDate "1980.08.17"]
[PlyCount "51"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be3 e5 7.Nb3 Be6 8.Be2 
Be7 9.O-O O-O 10.f4 exf4 11.Bxf4 d5 12.e5 Ne4 13.Nxe4 dxe4 14.Kh1 Qb6 15.
c3 Rad8 16.Qc2 Bf5 17.Nd2 Bg6 18.Nxe4 Nxe5 19.Bxe5 Qe6 20.Bd4 Bxe4 21.Bd3 
Bxd3 22.Qxd3 Bc5 23.Rf4 Bxd4 24.Rxd4 Rxd4 25.Qxd4 b6 26.c4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Grant, Conrad"]
[Black "Yoshida, Tetsuo"]
[Result "1-0"]
[ECO "C19"]
[EventDate "1980.08.17"]
[PlyCount "101"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Bd7 8.Be2 
Ba4 9.Rb1 Qc7 10.Bb5+ Bxb5 11.Rxb5 c4 12.Bd2 Nbc6 13.Ng5 h6 14.Nf3 O-O-O 
15.Qb1 f6 16.Bf4 Ng6 17.Bg3 fxe5 18.a4 b6 19.a5 Nxa5 20.Nxe5 Nxe5 21.Bxe5 
Qb7 22.O-O Nc6 23.Re1 Nxe5 24.Rxe5 Qf7 25.Qb4 Rhf8 26.f3 Qd7 27.Re3 Rf5 
28.Kf2 Re8 29.Kg1 h5 30.Qa4 e5 31.Qa6+ Kb8 32.Qa4 Kc8 33.Qa6+ Kd8 34.Qa4 
e4 35.Qb4 Qe6 36.fxe4 dxe4 37.Rxf5 Qxf5 38.Qd6+ Qd7 39.Qb8+ Ke7 40.Rxe4+ 
Kf8 41.Qf4+ Kg8 42.Rxe8+ Qxe8 43.h3 Qe1+ 44.Kh2 Qxc3 45.Qe5 Qa5 46.d5 Qc5 
47.Qe6+ Kf8 48.d6 Qg5 49.Qc8+ Kf7 50.Qc7+ Ke6 51.d7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Hansen, Curt"]
[Black "Toro Sanchez, Bernardo"]
[Result "1/2-1/2"]
[BlackElo "2265"]
[ECO "D30"]
[EventDate "1980.08.17"]
[PlyCount "63"]

1.d4 d5 2.Nf3 e6 3.c4 c5 4.cxd5 exd5 5.g3 Nc6 6.Bg2 Nf6 7.O-O Be7 8.b3 O-O
9.Bb2 cxd4 10.Nxd4 Bg4 11.Nd2 Re8 12.N2f3 Bf8 13.Nxc6 bxc6 14.Ne5 Bd7 15.
Rc1 Rc8 16.Qd3 Bd6 17.Nxd7 Nxd7 18.e4 Nc5 19.Qc3 Be5 20.Qxc5 Bxb2 21.Rc2 
Bf6 22.exd5 cxd5 23.Qxc8 Qxc8 24.Rxc8 Rxc8 25.Bxd5 Rc2 26.b4 Bd4 27.Bb3 
Rb2 28.Rd1 Bb6 29.Rd7 Rxf2 30.Kh1 g5 31.g4 Rf4 32.h3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Hadi, Jardak"]
[Black "James, Stephen"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "88"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 c6 5.Nf3 Bg4 6.Be2 Qb6 7.e5 dxe5 8.fxe5 Nh6
9.Ne4 Nf5 10.c3 O-O 11.Nfg5 Bxe2 12.Qxe2 Na6 13.e6 f6 14.Nf7 Nxd4 15.cxd4 
Qxd4 16.Nh6+ Kh8 17.Nf7+ Kg8 18.a3 Nc7 19.Nc3 Qh4+ 20.Qf2 Qh5 21.g4 Qxg4 
22.Nh6+ Bxh6 23.Bxh6 Rfd8 24.Rg1 Qxe6+ 25.Qe2 Qxe2+ 26.Kxe2 Kf7 27.Be3 e5 
28.Rad1 Nd5 29.Nxd5 cxd5 30.Rc1 Rdc8 31.b4 d4 32.Bf2 Ke6 33.Rc5 b6 34.Rcc1
Kd5 35.Rgd1 f5 36.h4 b5 37.Bg1 Rc4 38.Rxc4 bxc4 39.a4 Rb8 40.b5 Rb7 41.Bh2
c3 42.Bg1 Kc4 43.Rc1 e4 44.Kd1 f4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Karolyi, Tibor"]
[Black "Pajak, Jan"]
[Result "1-0"]
[WhiteElo "2300"]
[ECO "B04"]
[EventDate "1980.08.17"]
[PlyCount "116"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 Bg7 7.Ng5 d5 8.f4 h6 9.
Nf3 Bg4 10.h3 Bxf3 11.Qxf3 Nc6 12.c3 Qd7 13.Be3 O-O-O 14.Bc2 e6 15.Nd2 Ne7
16.g4 h5 17.O-O-O Rh7 18.f5 exf5 19.gxf5 Nxf5 20.Bxf5 gxf5 21.Rdf1 f6 22.
exf6 Bxf6 23.Qxf5 Re8 24.Qxf6 Rxe3 25.Re1 Qf7 26.Qxf7 Rxe1+ 27.Rxe1 Rxf7 
28.Re5 Rh7 29.h4 c6 30.b3 Nd7 31.Rf5 Kd8 32.Nf1 Ke7 33.Ng3 Nf6 34.Kd2 Rh8 
35.Ke3 a6 36.Kf4 Rf8 37.Kf3 Rf7 38.Kg2 Rh7 39.Rg5 Ke6 40.Re5+ Kd7 41.Kf3 
Rf7 42.Rf5 Ke6 43.a4 a5 44.c4 b6 45.Kf4 Rh7 46.Re5+ Kf7 47.Rg5 Rg7 48.
Rxg7+ Kxg7 49.cxd5 Nxd5+ 50.Ke5 Kg6 51.Kd6 Nb4 52.Kc7 b5 53.Kb6 Nc2 54.Ne2
bxa4 55.bxa4 Kf5 56.Kxc6 Ke4 57.Kc5 Ke3 58.d5 Nb4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Kaspret, Guido"]
[Black "Santo-Roman, Marc"]
[Result "1-0"]
[BlackElo "2205"]
[ECO "B33"]
[EventDate "1980.08.17"]
[PlyCount "57"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Nd5 Be7 11.Bxf6 Bxf6 12.c4 b4 13.Nc2 Rb8 14.b3 a5 15.Qf3 
Bg5 16.Rd1 Be6 17.h4 Bxh4 18.c5 Bg5 19.cxd6 Bxd5 20.exd5 Na7 21.Ne3 Nc8 
22.Nf5 Bf6 23.d7+ Qxd7 24.d6 Rb6 25.Bc4 Nxd6 26.Rxd6 Rxd6 27.Bb5 O-O 28.
Bxd7 Rxd7 29.Qh3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Lirindzakis, Stayros"]
[Black "Cauchy, Daniel"]
[Result "1-0"]
[ECO "E00"]
[EventDate "1980.08.17"]
[PlyCount "59"]

1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.g3 b6 5.Bg2 Bb7 6.Ne5 Nbd7 7.Nc3 c6 8.f4 Bb4 
9.O-O Bxc3 10.bxc3 Ne4 11.cxd5 cxd5 12.c4 f6 13.cxd5 Bxd5 14.Nc4 b5 15.Ne3
Bb7 16.Qb3 Qb6 17.Ba3 Kd8 18.Rac1 a5 19.Qd3 f5 20.Bc5 Qa6 21.g4 g6 22.Rfd1
Ke8 23.Qb3 Kf7 24.gxf5 gxf5 25.Nxf5 a4 26.Nh6+ Kg7 27.Qh3 Nexc5 28.dxc5 
Bxg2 29.Rxd7+ Kg6 30.Qg4+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Morales Moreno, Humberto"]
[Black "Belkhodja, Slim"]
[Result "1/2-1/2"]
[ECO "A05"]
[EventDate "1980.08.17"]
[PlyCount "91"]

1.Nf3 Nf6 2.e3 e6 3.b3 c5 4.Bb2 Nc6 5.Bb5 Be7 6.O-O O-O 7.Bxc6 bxc6 8.d3 
d6 9.Nbd2 e5 10.h3 Qc7 11.Re1 h6 12.d4 e4 13.Nh2 cxd4 14.Bxd4 Bf5 15.Nhf1 
d5 16.c4 Rfd8 17.cxd5 cxd5 18.Qc1 Qa5 19.a3 Rdc8 20.Qb2 Qb5 21.Rac1 a5 22.
Ng3 Bd7 23.Ne2 Rxc1 24.Nxc1 Rc8 25.Ne2 Qd3 26.Nf4 Qc2 27.Nf1 Be6 28.Kh2 
Qxb2 29.Bxb2 Rd8 30.Nd2 Nd7 31.Ne2 Nc5 32.Ng3 Nxb3 33.Nxb3 a4 34.Be5 Rc8 
35.Nd4 Bxa3 36.Ra1 Bb4 37.Nf1 Bd7 38.h4 f6 39.Bf4 a3 40.Ra2 Ba4 41.Nd2 Rc1
42.N4b3 Re1 43.Nd4 Rd1 44.N4b3 Re1 45.Nd4 Rd1 46.N4b3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Morovic Fernandez, Ivan"]
[Black "Zabihi, Ali"]
[Result "1/2-1/2"]
[WhiteElo "2380"]
[ECO "D55"]
[EventDate "1980.08.17"]
[PlyCount "78"]

1.Nf3 Nf6 2.d4 e6 3.Bg5 d5 4.c4 Be7 5.Nc3 O-O 6.e3 b6 7.cxd5 exd5 8.Be2 
Bb7 9.O-O Ne4 10.Bxe7 Qxe7 11.Rc1 Nd7 12.Qb3 Ndf6 13.Nxe4 Nxe4 14.Qa4 c5 
15.dxc5 bxc5 16.Ba6 Bxa6 17.Qxa6 Rab8 18.b3 Rb6 19.Qa5 Rh6 20.Rfd1 Rd8 21.
b4 cxb4 22.Rxd5 Rhd6 23.Qxb4 Nc3 24.Rxd6 Ne2+ 25.Kh1 Nxc1 26.Rd5 Qxb4 27.
Rxd8+ Qf8 28.Rxf8+ Kxf8 29.a3 Ke7 30.Nd4 a6 31.Kg1 Kd6 32.Kf1 Kc5 33.Ke1 
Kc4 34.Kd1 Nd3 35.Kc2 Nxf2 36.Nf5 f6 37.h3 g6 38.Nd6+ Kc5 39.Ne8 Ne4 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Obando, Arnoldo"]
[Black "Tavares, Shawn"]
[Result "0-1"]
[ECO "B95"]
[EventDate "1980.08.17"]
[PlyCount "68"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.Qe2 Be7 8.f4 h6 
9.Bxf6 Bxf6 10.O-O-O Qa5 11.Kb1 Nc6 12.Nxc6 bxc6 13.e5 dxe5 14.Ne4 Be7 15.
Qh5 O-O 16.Qxe5 c5 17.Be2 f5 18.Nd6 Bf6 19.Qe3 Rb8 20.Nc4 Qc7 21.Ne5 Rb4 
22.Bf3 a5 23.c3 Rb5 24.Be2 Rb8 25.Rd2 Bb7 26.Nd7 Be4+ 27.Ka1 Bd4 28.cxd4 
Qxd7 29.dxc5 Qa4 30.Bf3 Rb4 31.g3 Rfb8 32.Rhd1 Rb3 33.Rd3 Rxd3 34.Rxd3 Qc2
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Shrentzel, Mordechai"]
[Black "Sequeira, Fernando"]
[Result "1/2-1/2"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "80"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3 Bg4 6.Be2 cxd4 7.cxd4 e6 8.Nc3 
Qa5 9.O-O Nf6 10.h3 Bh5 11.a3 Bd6 12.g4 Bg6 13.b4 Qd8 14.Bg5 Be7 15.b5 Na5
16.Ne5 Ne4 17.Bxe7 Qxe7 18.Nxg6 Nxc3 19.Nxe7 Nxd1 20.Raxd1 Kxe7 21.d5 Rhd8
22.dxe6 Kxe6 23.Bd3 h6 24.f4 Kf6 25.g5+ hxg5 26.fxg5+ Kxg5 27.Rxf7 Kh6 28.
Rf4 Rd5 29.Rh4+ Rh5 30.Rxh5+ Kxh5 31.Bf1 Rc8 32.Rd7 g6 33.Rd6 Rc3 34.a4 
Ra3 35.Rd4 b6 36.Rd7 Rxa4 37.Rxa7 Rf4 38.Ra6 Rf6 39.Bg2 Kg5 40.Bd5 Rd6 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Stigar, Petter"]
[Black "Barua, Dibyendu"]
[Result "1/2-1/2"]
[ECO "E04"]
[EventDate "1980.08.17"]
[PlyCount "144"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.d4 e6 5.O-O Nf6 6.c4 dxc4 7.Qa4 Bd7 8.dxc5 
Na5 9.Qc2 Bxc5 10.Nc3 O-O 11.e4 h6 12.e5 Nd5 13.Ne4 Be7 14.Bd2 Nb4 15.Bxb4
Bxb4 16.Rad1 Qe7 17.a3 Qe8 18.axb4 Ba4 19.Qe2 Bxd1 20.Rxd1 Nc6 21.Nd6 Qe7 
22.Qxc4 Rfd8 23.Qc5 a6 24.Ne1 Rab8 25.f4 Rd7 26.Rc1 Rc7 27.Qb6 Qd8 28.Nd3 
Rbc8 29.Bxc6 Rxc6 30.Rxc6 bxc6 31.Nxc8 Qxd3 32.Qf2 Qb1+ 33.Kg2 Qe4+ 34.Kg1
Qb1+ 35.Kg2 Qe4+ 36.Kh3 Qf5+ 37.g4 Qd3+ 38.Kg2 Qe4+ 39.Kg3 Qxb4 40.Nd6 a5 
41.Qe2 a4 42.Nc4 Qc5 43.Nd6 Qg1+ 44.Kh3 Qd4 45.Ne4 c5 46.Kg2 g6 47.Kf3 Kg7
48.h4 Qg1 49.Ng3 Qc1 50.h5 c4 51.Ne4 a3 52.bxa3 c3 53.Nxc3 Qxc3+ 54.Qe3 
Qc4 55.hxg6 fxg6 56.Kg3 Kf7 57.Kh4 Qc2 58.Kg3 Qc4 59.Qf3 Qd4 60.a4 Qxa4 
61.f5 exf5 62.gxf5 gxf5 63.Qxf5+ Kg7 64.Qf6+ Kh7 65.Qf7+ Kh8 66.e6 Qb3+ 
67.Kf4 Qc4+ 68.Ke5 Qc5+ 69.Ke4 Qc4+ 70.Ke3 Qc3+ 71.Kf4 Qd4+ 72.Kg3 Qg7+ 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Tassi, Oliviero"]
[Black "Fowler, Jim"]
[Result "1-0"]
[ECO "A18"]
[EventDate "1980.08.17"]
[PlyCount "51"]

1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 Nfd7 5.cxd5 Nxe5 6.d4 Ng6 7.dxe6 Bxe6 8.d5 
Bd7 9.Nf3 Bb4 10.Bg5 f6 11.Be3 O-O 12.Qb3 Bxc3+ 13.bxc3 b6 14.Bd3 Re8 15.
O-O Kh8 16.h3 c6 17.Rad1 Ne5 18.Be4 f5 19.dxc6 fxe4 20.Nxe5 Rxe5 21.cxd7 
Nc6 22.Rd5 Qf6 23.Rfd1 Rd8 24.Rd6 Na5 25.Rxf6 Nxb3 26.Rf8+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Tempone, Marcelo"]
[Black "Short, Nigel David"]
[Result "1-0"]
[WhiteElo "2235"]
[BlackElo "2360"]
[ECO "A34"]
[EventDate "1980.08.17"]
[PlyCount "103"]

1.Nf3 g6 2.c4 c5 3.Nc3 Bg7 4.e3 Nf6 5.d4 O-O 6.Be2 cxd4 7.exd4 d5 8.O-O 
Nc6 9.Be3 dxc4 10.Bxc4 Na5 11.Be2 Be6 12.Qa4 Rc8 13.Ne5 a6 14.Rfc1 b5 15.
Qd1 Nc4 16.Nxc4 Bxc4 17.Bf3 b4 18.Na4 Nd5 19.Bxd5 Bxd5 20.Rxc8 Qxc8 21.Nb6
Qd8 22.Nxd5 Qxd5 23.Qb3 Qxb3 24.axb3 Rd8 25.Rd1 Rc8 26.Kf1 Rc2 27.Rd2 Rxd2
28.Bxd2 Bxd4 29.Bxb4 e6 30.Ke2 Bxb2 31.Kd3 f5 32.Kc4 Kf7 33.Kc5 e5 34.Kd5 
e4 35.Bc5 a5 36.h4 Bc3 37.g3 Kf6 38.Bd6 g5 39.h5 h6 40.Bc7 Bd2 41.Bd8+ Kf7
42.Ke5 f4 43.Kxe4 fxg3 44.fxg3 Ke6 45.g4 Be1 46.Bc7 Bb4 47.Be5 Kf7 48.Bd4 
Be1 49.Kd5 Bb4 50.Kc6 Be1 51.Kb5 Bb4 52.Ka6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Valiente, Cristobal"]
[Black "Rodas Maritni, Pablo"]
[Result "0-1"]
[ECO "B42"]
[EventDate "1980.08.17"]
[PlyCount "134"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5 6.Nb3 Ba7 7.O-O Nc6 8.Qe2 
d6 9.Be3 Bxe3 10.Qxe3 Nf6 11.c4 O-O 12.Nc3 Bd7 13.Rad1 Qc7 14.Be2 Rfd8 15.
f4 Be8 16.Rd2 Nd7 17.Rfd1 Nc5 18.e5 Nxb3 19.exd6 Qa5 20.axb3 Bd7 21.Na4 e5
22.Rd5 exf4 23.Qxf4 Qb4 24.Nc5 Qb6 25.Kh1 Be6 26.Nxe6 fxe6 27.Rh5 g6 28.
Rh3 Rf8 29.Qg4 Rf6 30.Qh4 Rf7 31.Rf3 Raf8 32.Qe4 Nd8 33.h4 Rxf3 34.Bxf3 
Qxb3 35.Rd2 Qb4 36.Qd4 Qa5 37.c5 Qb5 38.Be2 Qc6 39.Bc4 Qe8 40.Rf2 Rxf2 41.
Qxf2 Qf7 42.Kg1 Qf5 43.Qd4 Kf7 44.b4 Qf6 45.Qe4 Qf5 46.Bd3 Kf6 47.Qd4+ e5 
48.Qe3 Qg4 49.Qf3+ Qxf3 50.gxf3 Ke6 51.Be4 b6 52.Kf2 bxc5 53.bxc5 Kd7 54.
Bd5 Ne6 55.Ke3 Nxc5 56.f4 Kxd6 57.Bg8 h6 58.Bf7 exf4+ 59.Kxf4 Nd3+ 60.Ke4 
Ne5 61.Be8 Ke7 62.Ba4 Kf6 63.Bd1 h5 64.Be2 a5 65.Bb5 Nf7 66.Kf4 Nd6 67.Bc6
Nf5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Valkesalmi, Kimmo"]
[Black "Balsinde Elias, Rolando"]
[Result "1-0"]
[ECO "C69"]
[EventDate "1980.08.17"]
[PlyCount "52"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 exd4 7.Nxd4 c5 8.Nb3 
Be6 9.Qe2 Bd6 10.Nxc5 Bc8 11.Nd3 Qe7 12.Nc3 Be6 13.Nf4 Bxf4 14.Bxf4 O-O-O 
15.Qe3 Kb8 16.Rfd1 g5 17.Rxd8+ Qxd8 18.Rd1 Qc8 19.Bxg5 h6 20.Bh4 Rh7 21.e5
Rd7 22.exf6 Rxd1+ 23.Nxd1 Qd7 24.Nc3 Bf7 25.Qd3 Qg4 26.Qd8+ Ka7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "5"]
[White "Ye Rongguang"]
[Black "Cuijpers, Franciscus"]
[Result "0-1"]
[ECO "A29"]
[EventDate "1980.08.17"]
[PlyCount "118"]

1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O 5.Nf3 Nc6 6.O-O d6 7.Nd5 a5 8.d3 h6 
9.Nd2 Bf5 10.Nxf6+ Qxf6 11.Ne4 Qe6 12.Be3 Bxe4 13.Bxe4 Nd8 14.Bd5 Qd7 15.
d4 exd4 16.Bxd4 c6 17.Bg2 Ne6 18.a3 Bc5 19.Bxc5 Nxc5 20.b4 Ne6 21.Qd3 Rfd8
22.Rfd1 Nc7 23.Qc3 Ne8 24.h3 Qc7 25.Qe3 Rd7 26.Bf3 Re7 27.Qd4 Re5 28.Qc3 
Nf6 29.Rab1 Qe7 30.Qd3 axb4 31.axb4 d5 32.Ra1 Re8 33.c5 Ne4 34.e3 Qe6 35.
Bg2 Qf6 36.Ra2 R5e7 37.Rc1 Qg5 38.Qf1 Re6 39.Kh2 Rf6 40.Bxe4 Rxe4 41.Qd3 
h5 42.Rg1 Qe5 43.Kg2 g6 44.b5 d4 45.Kh2 dxe3 46.Qd8+ Kh7 47.f4 Qd5 48.Qxd5
cxd5 49.Rc2 Rb4 50.c6 bxc6 51.bxc6 Rc4 52.Rxc4 dxc4 53.Re1 c3 54.Rxe3 Rxc6
55.Re1 c2 56.Rc1 Kg7 57.Kg2 Rc3 58.Kf2 Kf6 59.g4 h4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Arnason, Jon"]
[Black "Hansen, Curt"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[ECO "B03"]
[EventDate "1980.08.17"]
[PlyCount "48"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Bc4 Nb6 5.Bb3 Bf5 6.Qf3 Qc8 7.Nh3 c5 8.dxc5 
dxc5 9.Bxf7+ Kxf7 10.g4 g6 11.Ng5+ Ke8 12.gxf5 Qxf5 13.Qxb7 Qxe5+ 14.Qe4 
Nc6 15.Be3 Qxe4 16.Nxe4 Nc4 17.Bxc5 Nxb2 18.Nbc3 Nc4 19.Rb1 Bh6 20.Ke2 Kf7
21.Rb7 Rhb8 22.Rhb1 Bf4 23.Bxe7 Rxb7 24.Rxb7 Rb8 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Atalik, Suat"]
[Black "Valkesalmi, Kimmo"]
[Result "0-1"]
[ECO "E65"]
[EventDate "1980.08.17"]
[PlyCount "88"]

1.Nf3 Nf6 2.c4 c5 3.g3 g6 4.Bg2 Bg7 5.Nc3 Nc6 6.O-O O-O 7.d4 d6 8.dxc5 
dxc5 9.Be3 Qa5 10.Qc1 Bg4 11.h3 Be6 12.Nd2 Nd4 13.Bxd4 cxd4 14.Nb3 Qh5 15.
Nxd4 Bxh3 16.Nf3 Bh6 17.Qc2 Rac8 18.b3 a6 19.Rad1 b5 20.Qd3 bxc4 21.bxc4 
e6 22.Nh2 Bxg2 23.Kxg2 Qc5 24.Ne4 Nxe4 25.Qxe4 Qxc4 26.Qxc4 Rxc4 27.Rd3 
Rfc8 28.Ra3 R8c6 29.Rb1 Bf8 30.Rb8 Kg7 31.Rd3 Bd6 32.Rb2 Be5 33.Rb7 Rc7 
34.Rb6 Ra4 35.a3 Bf6 36.Nf3 g5 37.Nd2 Kg6 38.e3 g4 39.Nb1 h5 40.Rbb3 Rac4 
41.Rd6 Rc1 42.Nd2 R7c2 43.Ne4 Ra2 44.Rxa6 Raa1 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Bates, Giles"]
[Black "Stigar, Petter"]
[Result "0-1"]
[ECO "A04"]
[EventDate "1980.08.17"]
[PlyCount "106"]

1.Nf3 g6 2.g3 Bg7 3.Bg2 f5 4.d4 Nf6 5.Nbd2 O-O 6.O-O c6 7.c3 d5 8.Ne5 Nbd7
9.Ndf3 Ne4 10.Bf4 Ndf6 11.Qc1 Qb6 12.Nd3 Be6 13.Ng5 Nxg5 14.Bxg5 Rfe8 15.
h4 Bf7 16.Bh6 Bh8 17.Ne5 Qd8 18.Bf3 Nd7 19.Qe3 Nxe5 20.dxe5 e6 21.h5 Qc7 
22.Bf4 Qb6 23.hxg6 hxg6 24.Qd2 Qc7 25.Qd4 c5 26.Qe3 Rac8 27.Kg2 g5 28.Bxg5
Qxe5 29.Qd2 Bg6 30.Rh1 Kf7 31.c4 Qxb2 32.Qxb2 Bxb2 33.Rab1 Bf6 34.Rxb7+ 
Re7 35.Rxe7+ Kxe7 36.Bxf6+ Kxf6 37.cxd5 e5 38.Bh5 Bxh5 39.Rxh5 c4 40.Rh1 
e4 41.d6 Ke6 42.g4 Kxd6 43.gxf5 Ke5 44.e3 c3 45.f6 Kxf6 46.Rc1 c2 47.Kf1 
Kf5 48.Ke2 Kg4 49.f3+ exf3+ 50.Kf2 Rc3 51.a4 a5 52.Kg1 Kg3 53.Kf1 Rb3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Belkhodja, Slim"]
[Black "Canda, Danilo"]
[Result "0-1"]
[ECO "B73"]
[EventDate "1980.08.17"]
[PlyCount "92"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 g6 7.O-O Bg7 8.Be3 
O-O 9.f3 d5 10.exd5 Nxd5 11.Nxc6 bxc6 12.Nxd5 cxd5 13.c3 e5 14.Qd2 Be6 15.
Bc5 Re8 16.Rfd1 Qc7 17.Bf2 Red8 18.Kh1 Rac8 19.Rac1 Qa5 20.b4 Qc7 21.Qe3 
Ra8 22.a4 Qd6 23.Bc4 Qf8 24.Bb5 d4 25.cxd4 exd4 26.Qe1 Rab8 27.Rc5 a5 28.
Bh4 axb4 29.Qxb4 Rd5 30.Be7 Qxe7 31.Rc8+ Rxc8 32.Qxe7 d3 33.h4 d2 34.Qa3 
Rc3 35.Qb2 Rc1 36.Qxc1 dxc1=R 37.Rxc1 Be5 38.g4 Rd2 39.a5 Bd5 40.Bc6 Bxc6 
41.Rxc6 Ra2 42.Ra6 Kg7 43.Ra8 h5 44.a6 Bg3 45.gxh5 gxh5 46.a7 Bxh4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Benjamin, Joel"]
[Black "Kaspret, Guido"]
[Result "1-0"]
[WhiteElo "2350"]
[ECO "B46"]
[EventDate "1980.08.17"]
[PlyCount "62"]

1.e4 c5 2.Nc3 e6 3.Nge2 Nc6 4.d4 cxd4 5.Nxd4 a6 6.f4 Nge7 7.Nb3 b5 8.Bd3 
d5 9.e5 Qb6 10.Qf3 Bb7 11.a4 b4 12.a5 Nxa5 13.Nxa5 bxc3 14.bxc3 Bc8 15.Be3
Qc7 16.O-O Nc6 17.Nxc6 Qxc6 18.Bd4 Bc5 19.Kh1 Bxd4 20.cxd4 Bd7 21.Qg4 g6 
22.Qh4 a5 23.Qf6 Rf8 24.c4 dxc4 25.Be2 Qc7 26.Rfc1 Bb5 27.Rab1 Ba6 28.Bf3 
Ra7 29.Bd1 Kd7 30.d5 Qd8 31.dxe6+ fxe6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Bischoff, Klaus"]
[Black "Morovic Fernandez, Ivan"]
[Result "0-1"]
[BlackElo "2380"]
[ECO "E60"]
[EventDate "1980.08.17"]
[PlyCount "112"]

1.c4 Nf6 2.Nf3 g6 3.b3 Bg7 4.Bb2 O-O 5.e3 d6 6.d4 Nbd7 7.Be2 e5 8.Nc3 Re8 
9.Qc2 exd4 10.Nxd4 Nc5 11.O-O-O a5 12.a3 Ng4 13.Bxg4 Bxg4 14.f3 Bd7 15.
Rhe1 c6 16.Kb1 Qb6 17.Ka2 f5 18.h3 f4 19.e4 Be5 20.Nce2 Rac8 21.Qd2 Rf8 
22.Rc1 h5 23.Rg1 Kh7 24.Bc3 Ra8 25.Rb1 Qa6 26.Kb2 Be8 27.Rgd1 Bf7 28.Nc2 
a4 29.Bxe5 dxe5 30.b4 Nb3 31.Qc3 Qxc4 32.Qxc4 Bxc4 33.Rd7+ Rf7 34.Rbd1 Kg7
35.Nc3 b5 36.Rxf7+ Bxf7 37.Rd6 Rc8 38.Ne1 Bc4 39.Nb1 Kf7 40.Nd2 Nxd2 41.
Rxd2 Ke7 42.Kc3 Rd8 43.Rxd8 Kxd8 44.h4 Bf1 45.Kd2 Ke7 46.Kd1 Kf6 47.Kd2 g5
48.hxg5+ Kxg5 49.Nc2 Bxg2 50.Ke2 Bh3 51.Kf2 Be6 52.Kg2 Ba2 53.Ne1 Bb1 54.
Kh3 Kf6 55.Kh4 Ke6 56.Kxh5 c5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Damljanovic, Branko"]
[Black "Tovillas, Daniel"]
[Result "0-1"]
[WhiteElo "2335"]
[ECO "B38"]
[EventDate "1980.08.17"]
[PlyCount "82"]

1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 c5 5.e4 cxd4 6.Nxd4 d6 7.Be2 O-O 8.O-O 
Nc6 9.Be3 Nd7 10.Rb1 Nde5 11.f4 Nxd4 12.Bxd4 Nc6 13.Bxg7 Kxg7 14.f5 f6 15.
Nd5 Ne5 16.Qd4 b6 17.b4 g5 18.h4 h6 19.Rfc1 Ba6 20.Bd1 Bb7 21.Nc3 Rc8 22.
Be2 Ba6 23.Nd5 Qd7 24.a3 Bb7 25.Nc3 Rfd8 26.Rc2 Ba6 27.Nd5 Bb7 28.Nc3 Qe8 
29.Rbc1 gxh4 30.Nd1 Kh7 31.Rc3 Qg8 32.Rh3 Qg5 33.Rcc3 Rg8 34.Bf1 Qf4 35.
Qf2 Qxe4 36.Rce3 Qd4 37.Rxh4 Qxd1 38.Reh3 Kg7 39.Rxh6 Kf8 40.Rg3 Ng4 41.
Rxg4 Qxg4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Fasheyitan, Olufemi"]
[Black "Obando, Arnoldo"]
[Result "1-0"]
[ECO "D79"]
[EventDate "1980.08.17"]
[PlyCount "75"]

1.Nf3 Nf6 2.g3 c5 3.Bg2 Nc6 4.O-O g6 5.c3 Bg7 6.d4 cxd4 7.cxd4 d5 8.Nc3 
O-O 9.Bf4 Nh5 10.Bc1 e6 11.Bg5 Qd7 12.Qd2 b6 13.Bh6 Ba6 14.Rfd1 f5 15.Bxg7
Qxg7 16.Ng5 Nd8 17.Nxd5 h6 18.Nc3 Rc8 19.Nf3 Bb7 20.Ne5 f4 21.Ne4 Rc7 22.
Rac1 Nc6 23.Nxc6 Bxc6 24.Nd6 Bxg2 25.Kxg2 fxg3 26.hxg3 Rxc1 27.Qxc1 Qd7 
28.Ne4 Qd5 29.f3 g5 30.b3 Nf6 31.Nxf6+ Rxf6 32.Qc4 Qa5 33.b4 Qa3 34.d5 Qe3
35.d6 Rf8 36.d7 Rd8 37.Rd4 Kf7 38.Re4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Fowler, Jim"]
[Black "Hadi, Jardak"]
[Result "1-0"]
[ECO "C05"]
[EventDate "1980.08.17"]
[PlyCount "73"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Ngf3 c5 6.c3 Nc6 7.b3 f6 8.Bd3 cxd4 
9.cxd4 b6 10.O-O Nb4 11.Bb1 Ba6 12.Nh4 Qb8 13.Qh5+ Kd8 14.Re1 Nd3 15.Bxd3 
Bxd3 16.Qf3 Bc2 17.exf6 g5 18.Rxe6 gxh4 19.Qe2 Bg6 20.Nf3 h6 21.Nxh4 Be4 
22.f3 Bd6 23.fxe4 Bxh2+ 24.Kh1 Nf8 25.exd5 Nxe6 26.dxe6 Qd6 27.Nf5 Qc7 28.
e7+ Ke8 29.Qh5+ Kd7 30.Qxh2 Qxh2+ 31.Kxh2 Ke6 32.Bb2 Kxf6 33.d5+ Kxf5 34.
Bxh8 Rxh8 35.Re1 Re8 36.d6 Kf6 37.d7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Grant, Conrad"]
[Black "Morales Moreno, Humberto"]
[Result "0-1"]
[ECO "B98"]
[EventDate "1980.08.17"]
[PlyCount "50"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 h6 
9.Bh4 Qc7 10.Bxf6 Bxf6 11.O-O-O Nc6 12.Nb3 Bd7 13.g4 O-O-O 14.Bg2 Kb8 15.
a3 Rc8 16.Qd3 Rhd8 17.Rhf1 Be8 18.h3 Na5 19.Rf3 Nc4 20.a4 Qb6 21.Re1 Nxb2 
22.Qd2 Nc4 23.Qe2 Qb4 24.Qd3 Qa3+ 25.Kd1 Nb2+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Guerra Osio, Jose Luis"]
[Black "Santo-Roman, Marc"]
[Result "0-1"]
[BlackElo "2205"]
[ECO "B29"]
[EventDate "1980.08.17"]
[PlyCount "84"]

1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 Nxc3 5.bxc3 e6 6.d4 d5 7.dxc5 Qa5 8.Bd3 
Qxc3+ 9.Bd2 Qxc5 10.O-O h6 11.Re1 Bd7 12.Rb1 Qc7 13.Nd4 a6 14.Be3 Nc6 15.
Nxc6 Bxc6 16.Bb6 Qd7 17.f4 g6 18.Re3 Rc8 19.Qe2 Ba4 20.g4 Bc5 21.Bxc5 Rxc5
22.f5 gxf5 23.gxf5 Rg8+ 24.Rg3 Rxg3+ 25.hxg3 exf5 26.Qh5 Bxc2 27.Qxh6 Qc6 
28.Qh8+ Ke7 29.Qh4+ Kd7 30.e6+ fxe6 31.Qh7+ Kc8 32.Qg8+ Kc7 33.Qg7+ Kb8 
34.Qf8+ Ka7 35.Rc1 Rc3 36.Bxc2 Rxc2 37.Rb1 Rc4 38.Re1 Re4 39.Rb1 Rc4 40.
Re1 Re4 41.Rb1 a5 42.a4 Rc4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Hjorth, Gregory"]
[Black "Toro Sanchez, Bernardo"]
[Result "0-1"]
[BlackElo "2265"]
[ECO "C15"]
[EventDate "1980.08.17"]
[PlyCount "56"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.Bd3 dxe4 5.Bxe4 Nf6 6.Bf3 Nc6 7.Ne2 O-O 8.O-O 
h6 9.Bf4 Qd7 10.Qd3 b6 11.d5 exd5 12.Nxd5 Nxd5 13.Qxd5 Qxd5 14.Bxd5 Bb7 
15.Bxc7 Rac8 16.Bg3 Ba6 17.c3 Bxe2 18.Rfe1 Nd4 19.Bb7 Rcd8 20.Rec1 Rd7 21.
Be4 Re8 22.Bb1 Bd1 23.Bh7+ Kxh7 24.Rxd1 Ne2+ 25.Kf1 Nxg3+ 26.hxg3 Rxd1+ 
27.Rxd1 Bf8 28.c4 Kg6 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "James, Stephen"]
[Black "Allen, Keith"]
[Result "1/2-1/2"]
[ECO "B25"]
[EventDate "1980.08.17"]
[PlyCount "38"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nge2 e5 7.O-O Nge7 8.f4 O-O 
9.Be3 Nd4 10.Qd2 Be6 11.h3 f5 12.Nd1 Qd7 13.Kh2 Rf7 14.c3 Nxe2 15.Qxe2 b6 
16.exf5 Bd5 17.fxg6 hxg6 18.Bxd5 Nxd5 19.Qf3 Nc7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Karolyi, Tibor"]
[Black "Danailov, Silvio"]
[Result "1/2-1/2"]
[WhiteElo "2300"]
[BlackElo "2295"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "25"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3 Nc6 6.Bc4 Nb6 7.Bb3 d5 8.exd6 
Qxd6 9.cxd4 e6 10.Nc3 Be7 11.O-O O-O 12.Be3 Nd5 13.Nxd5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Kasparov, Garry"]
[Black "Akesson, Ralf"]
[Result "1-0"]
[WhiteElo "2595"]
[BlackElo "2230"]
[ECO "E12"]
[EventDate "1980.08.17"]
[PlyCount "71"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 ( 4...Ba6 ) ( 4...c5 ) ( 4...d5 ) 5.Nc3
d5 6.cxd5 Nxd5 7.e3 Be7 8.Bb5+ c6 9.Bd3 Nd7 10.e4 Nxc3 11.bxc3 c5 12.O-O 
cxd4 ( 12...O-O ) 13.cxd4 O-O 14.Qe2 Rc8 15.Bb2 Qc7 16.Qe3 Nf6 ( 16...Qb8 
) ( 16...Bd6 ) 17.Ne5 b5 ( 17...Nd7 18.f4 ( 18.Rac1 Qd6 ) 18...Nxe5 19.
fxe5 Qd7 ) 18.f4 Qb6 19.Kh1 b4 20.axb4 Bxb4 21.Rab1 a5 22.Qe2 ( 22.f5 Ba6 
) 22...Qa7 ( 22...Ra8 23.f5 ( 23.Rbc1 Rac8 ) 23...Ba6 24.fxe6 fxe6 ) 23.f5
Qa8 24.d5 ( 24.fxe6 fxe6 25.Rf4 ( 25.d5 exd5 26.Ng4 Nxg4 27.Qxg4 Rc7 28.e5
) ) 24...exd5 25.Ng4 Nxg4 26.Qxg4 f6 27.Bxf6 ( 27.e5 Bc3 28.e6 ) 27...Rxf6
28.e5 Rh6 ( 28...Rf7 29.f6 Rcf8 30.Rf3 ( 30.Bxh7+ Kxh7 31.Rf5 Bd2 ) 30...
Bc8 ( 30...Kh8 31.Rh3 gxf6 32.Bxh7 Rxh7 33.Rxh7+ Kxh7 34.Rb3 ) ( 30...Qc8 
31.Bf5 Qc4 32.Rf4 Qa2 33.Rbf1 ) ( 30...Bd2 31.Rh3 ) ( 30...d4 31.Rg3 ) 31.
Qg5 Qa7 ( 31...Be6 32.Rg3 g6 33.Qh6 Kh8 34.Bxg6 ) ( 31...Kh8 32.Rxb4 gxf6 
33.Qh6 axb4 34.Bxh7 Bg4 35.Bb1+ Kg8 36.exf6 Bxf3 37.Qg5+ ) 32.Rbf1 g6 ( 
32...Be6 ) ( 32...Qd4 33.fxg7 Rxg7 34.Rxf8+ Bxf8 35.Rxf8+ ) 33.Qh6 Be6 ( 
33...Kh8 34.Bxg6 Rg8 35.Bxf7 Qxf7 36.Rc1 d4 37.Rg3 ) 34.Rg3 Kh8 35.Bxg6 
Rc7 ( 35...Rg8 36.Bxf7 Qxf7 37.Rg7 ) 36.Bd3 Bc8 ( 36...Rg8 37.f7 ) 37.h3 
Rg8 ( 37...a4 38.Rf4 ) 38.e6 Bxe6 ( 38...Rxg3 39.f7 ) 39.f7 Rxf7 40.Rxg8+ 
Kxg8 41.Qxe6 ) 29.f6 Rc7 30.e6 ( 30.Rbc1 Qd8 31.Qe6+ Rf7 32.Bb5 gxf6 33.
Be8 Qe7 34.Bxf7+ Qxf7 35.Qxf7+ Kxf7 36.Rc7+ Ke6 ) 30...Qd8 ( 30...Qf8 31.
f7+ Kh8 32.Rxb4 axb4 33.Qxb4 Rc8 34.Qxf8+ Rxf8 35.e7 ) ( 30...Qb8 31.h3 
Bc8 32.Rxb4 Qxb4 ( 32...axb4 33.f7+ Kf8 34.Qxg7+ ) 33.e7 Bxg4 34.f7+ ) ( 
30...Kh8 31.Qg3 Qc8 32.Rbc1 Bd6 33.Rxc7 Qxc7 34.f7 ) 31.e7 Rxe7 32.fxe7 
Qxe7 33.Rbc1 Qd8 ( 33...Qe6 34.Qxe6+ ( 34.Bf5 Qe5 ) 34...Rxe6 35.Rc7 Re7 
36.Rxe7 Bxe7 37.Bxh7+ Kxh7 38.Rf7 Bb4 39.Rxb7 d4 40.Rd7 Bc3 41.Kg1 ) 34.
Qf5 Qb8 ( 34...Bd6 35.Qf7+ Kh8 36.h3 Bc8 37.Rc7 ) 35.Qf7+ Kh8 36.Rc7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Lasar, Yves"]
[Black "Balsinde Elias, Rolando"]
[Result "1/2-1/2"]
[ECO "E21"]
[EventDate "1980.08.17"]
[PlyCount "44"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.Bg5 Qe7 6.Qc2 Bb7 7.e3 c5 8.dxc5 
bxc5 9.Bd3 O-O 10.Bxh7+ Kh8 11.Bd3 d5 12.O-O Nbd7 13.Rad1 dxc4 14.Bxc4 
Bxf3 15.gxf3 Ne5 16.Be2 Qb7 17.e4 Nh7 18.Bf4 Nc6 19.Nb5 e5 20.Be3 Nd4 21.
Nxd4 cxd4 22.Bc1 Bd6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Long, Peter"]
[Black "Ye Rongguang"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1980.08.17"]
[PlyCount "85"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Bg5 Bg7 5.Qd2 h6 6.Bh4 a6 7.f4 c6 8.Nf3 Qb6 9.
O-O-O Qc7 10.Bd3 O-O 11.e5 Nd5 12.Ne4 f5 13.exf6 exf6 14.c4 f5 15.cxd5 
fxe4 16.Bxe4 cxd5+ 17.Qc2 Qxc2+ 18.Bxc2 Rxf4 19.Bxg6 Rg4 20.Bh5 Rxg2 21.
Ne1 Bg4 22.Nxg2 Bxh5 23.Rd2 Nc6 24.Nf4 Bf7 25.Rg1 Kh7 26.Bf2 Bf6 27.h4 Re8
28.Re1 Rg8 29.Rf1 Rg4 30.Ne2 Be6 31.Bg3 Bg7 32.Bxd6 Rxh4 33.Nf4 Bg8 34.
Rfd1 Bf6 35.Kc2 Bg5 36.Rf2 Bf7 37.Kc3 Kg7 38.Rd3 Rh1 39.b4 Rc1+ 40.Kb3 Rc4
41.Nh3 Bg6 42.Nxg5 Bxd3 43.Ne6+ 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "McNab, Colin Anderson"]
[Black "Tavares, Shawn"]
[Result "1-0"]
[ECO "A21"]
[EventDate "1980.08.17"]
[PlyCount "73"]

1.c4 e5 2.Nc3 d6 3.g3 f5 4.d4 Be7 5.Nd5 Nf6 6.Nxe7 Qxe7 7.Bg2 O-O 8.Nh3 
exd4 9.Qxd4 Nc6 10.Qd3 Re8 11.Nf4 Qf7 12.b3 Ne4 13.Ba3 a5 14.O-O Nb4 15.
Bxb4 axb4 16.Nd5 c5 17.Nb6 Ra6 18.Nxc8 Rxc8 19.Bxe4 fxe4 20.Qxe4 Re8 21.
Qd3 Qh5 22.e4 Qe5 23.Rfe1 Qb2 24.Qd5+ Kh8 25.Qxb7 Rxa2 26.Rxa2 Qxa2 27.Qf7
Ra8 28.Qf3 h6 29.Rd1 Re8 30.Qd3 Rf8 31.Rd2 Rf3 32.Qe2 Qxb3 33.e5 Rc3 34.
exd6 Rc1+ 35.Kg2 Qb1 36.d7 Rg1+ 37.Kh3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Negulescu, Adrian"]
[Black "Tempone, Marcelo"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2235"]
[ECO "A29"]
[EventDate "1980.08.17"]
[PlyCount "21"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.d3 Be7 7.Bg2 Be6 8.O-O 
O-O 9.d4 exd4 10.Nb5 d3 11.Qxd3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Pajak, Jan"]
[Black "Shrentzel, Mordechai"]
[Result "1/2-1/2"]
[ECO "A16"]
[EventDate "1980.08.17"]
[PlyCount "77"]

1.c4 Nf6 2.Nc3 d6 3.g3 g6 4.Bg2 Bg7 5.Rb1 O-O 6.Nf3 c6 7.O-O a6 8.d3 Qc7 
9.Nd2 e5 10.b4 Be6 11.a4 Nbd7 12.Ba3 Rfd8 13.Qc2 Rac8 14.Rfc1 Bh6 15.Qb2 
Nf8 16.b5 axb5 17.axb5 Nh5 18.Rc2 f5 19.Qb3 Qf7 20.Nf3 Qf6 21.Bc1 Bxc1 22.
Rbxc1 d5 23.e3 g5 24.cxd5 cxd5 25.d4 e4 26.Ne5 Ng6 27.Nxg6 hxg6 28.Na4 
Rxc2 29.Rxc2 Qe7 30.b6 Nf6 31.Rc7 Rd7 32.Nc5 Rxc7 33.bxc7 Bc8 34.Qb6 Kh7 
35.Nxb7 Ne8 36.Bf1 Qxc7 37.Qxc7+ Nxc7 38.Nc5 Kg7 39.Be2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Rodas Maritni, Pablo"]
[Black "Cuijpers, Franciscus"]
[Result "0-1"]
[ECO "B07"]
[EventDate "1980.08.17"]
[PlyCount "70"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f3 c6 5.Be3 b5 6.Qd2 Nbd7 7.Nge2 Bb7 8.g4 Nb6 
9.Ng3 a6 10.g5 Nfd7 11.h4 Qc7 12.O-O-O O-O-O 13.h5 Bg7 14.h6 Bf8 15.f4 d5 
16.f5 e6 17.fxe6 fxe6 18.exd5 cxd5 19.Bf4 Qc6 20.Re1 b4 21.Nb1 Nc4 22.Bxc4
dxc4 23.Rh2 e5 24.dxe5 Nxe5 25.Bxe5 Rxd2 26.Rxd2 Rg8 27.Ne4 Be7 28.Nd6+ 
Bxd6 29.Rxd6 Qc5 30.Rdd1 Bf3 31.Bd6 Qxg5+ 32.Rd2 a5 33.Rf1 Qxh6 34.a3 Rd8 
35.axb4 Rxd6 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Sequeira, Fernando"]
[Black "Barua, Dibyendu"]
[Result "1/2-1/2"]
[ECO "A08"]
[EventDate "1980.08.17"]
[PlyCount "123"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.d3 e6 5.O-O Nf6 6.Nbd2 Be7 7.e4 O-O 8.e5 Nd7 
9.Re1 Qc7 10.Qe2 b5 11.Nf1 Bb7 12.Bf4 Rac8 13.h4 Rfe8 14.Rac1 Nf8 15.h5 b4
16.N1h2 h6 17.g4 f6 18.c3 bxc3 19.bxc3 Ba6 20.Bg3 fxe5 21.Nxe5 Bd6 22.f4 
Nxe5 23.fxe5 Be7 24.Nf3 Nh7 25.Bf4 Rf8 26.Be3 Qd8 27.Rf1 Ng5 28.Nxg5 Rxf1+
29.Rxf1 Bxg5 30.Bxg5 Qxg5 31.Bf3 Rf8 32.Kh2 Rf4 33.Kg3 Rf5 34.Re1 Rf8 35.
Kh3 Qf4 36.Kg2 Qa4 37.Qd2 Qb5 38.Rd1 Rb8 39.Kg3 Qb2 40.Kh3 Qxd2 41.Rxd2 
Rb1 42.Be2 Rc1 43.c4 dxc4 44.dxc4 Bxc4 45.Bxc4 Rxc4 46.Rd8+ Kf7 47.Rd7+ 
Kf8 48.Rxa7 Re4 49.Ra8+ Kf7 50.Ra7+ Kg8 51.Ra8+ Kh7 52.Rc8 Rxe5 53.a4 Re3+
54.Kg2 Re4 55.Kf3 Rxa4 56.Rxc5 Kg8 57.Rc7 Kf8 58.Rb7 e5 59.Rb5 e4+ 60.Ke3 
Kf7 61.Re5 Kf6 62.Rxe4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Short, Nigel David"]
[Black "Lima, Darcy"]
[Result "1-0"]
[WhiteElo "2360"]
[ECO "B02"]
[EventDate "1980.08.17"]
[PlyCount "73"]

1.e4 Nf6 2.e5 Nd5 3.Nc3 e6 4.d4 d6 5.Nf3 c5 6.dxc5 Nxc3 7.bxc3 d5 8.Bd3 
Nd7 9.O-O Be7 10.Re1 Nxc5 11.Nd4 Nxd3 12.cxd3 O-O 13.Bf4 Bd7 14.Re3 f5 15.
exf6 Bxf6 16.Be5 Rc8 17.Rc1 Rf7 18.g3 Be7 19.h4 Bc5 20.Kg2 Qa5 21.Rf3 Rcf8
22.Rxf7 Rxf7 23.Qe2 Qa3 24.Qd2 Bxd4 25.Bxd4 Rf5 26.Re1 b6 27.g4 Rf7 28.h5 
Qe7 29.Kg3 h6 30.f4 Rf8 31.Qe3 Qf7 32.Qe5 Qf6 33.Qc7 Qf7 34.Qe5 Qf6 35.Qd6
e5 36.Qxe5 Qxe5 37.Rxe5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Tassi, Oliviero"]
[Black "Borg, Geoffrey"]
[Result "1/2-1/2"]
[ECO "A18"]
[EventDate "1980.08.17"]
[PlyCount "30"]

1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 Qxf6 7.d4 e5 8.Nf3 
exd4 9.Bg5 Qe6+ 10.Be2 f6 11.Bf4 dxc3 12.O-O Bc5 13.Bxc7 O-O 14.Ba5 Nc6 
15.Bxc3 Rd8 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Valiente, Cristobal"]
[Black "Lirindzakis, Stayros"]
[Result "1/2-1/2"]
[ECO "A13"]
[EventDate "1980.08.17"]
[PlyCount "31"]

1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 c5 5.O-O dxc4 6.Na3 Nc6 7.Nxc4 Be7 8.b3 
Rb8 9.Bb2 O-O 10.Nfe5 Nd4 11.e3 Nf5 12.Qe2 Ne8 13.Rfd1 f6 14.Nf3 b5 15.Na3
Qa5 16.Nc2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Weider, Dariusz"]
[Black "Corral Blanco, Juan Antonio"]
[Result "0-1"]
[ECO "A36"]
[EventDate "1980.08.17"]
[PlyCount "98"]

1.c4 Nf6 2.Nc3 c5 3.e4 d6 4.g3 Nc6 5.Bg2 g6 6.Nge2 Bg7 7.O-O O-O 8.d3 Ne8 
9.Be3 Nd4 10.Qd2 Nc7 11.Bh6 Nce6 12.Bxg7 Kxg7 13.f4 Qa5 14.f5 Nxe2+ 15.
Qxe2 Nd4 16.Qg4 Qd8 17.Nd5 f6 18.Qd1 e6 19.fxe6 Bxe6 20.Nc3 Qe7 21.Qd2 Bd7
22.Rf2 Qe5 23.Raf1 Bc6 24.Nd1 Rae8 25.b4 b6 26.b5 Bb7 27.a4 Re7 28.Ne3 Qg5
29.Rf4 h5 30.h4 Qe5 31.g4 Ref7 32.Kh1 Bc8 33.gxh5 Qxh5 34.Bf3 Qh6 35.Qh2 
Ne6 36.Nf5+ gxf5 37.Rxf5 Ng5 38.hxg5 Qxh2+ 39.Kxh2 Bxf5 40.exf5 fxg5 41.
Be4 Kf6 42.a5 Rh7+ 43.Kg3 Rfh8 44.axb6 Rh3+ 45.Kg2 Rh2+ 46.Kg1 axb6 47.Ra1
Rb2 48.Ra6 Rhh2 49.Rxb6 Rhd2 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Yoshida, Tetsuo"]
[Black "Cauchy, Daniel"]
[Result "1-0"]
[ECO "B42"]
[EventDate "1980.08.17"]
[PlyCount "73"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.c4 Nc6 7.Nxc6 dxc6 8.O-O 
e5 9.Nc3 Be7 10.Qe2 O-O 11.a4 Be6 12.Kh1 Ne8 13.f4 exf4 14.Bxf4 Bg5 15.Bg3
Qe7 16.e5 f5 17.exf6 Rxf6 18.Ne4 Rxf1+ 19.Rxf1 Bf7 20.Rxf7 Kxf7 21.Qh5+ g6
22.Qxg5 Qxg5 23.Nxg5+ Kg8 24.c5 h6 25.Ne4 Rd8 26.Nd6 Nxd6 27.cxd6 g5 28.
Bc4+ Kh7 29.Be6 Kg6 30.d7 h5 31.Bc7 Rf8 32.Kg1 Kf6 33.d8=Q+ Rxd8 34.Bxd8+ 
Kxe6 35.Bxg5 b5 36.axb5 cxb5 37.b4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Zabihi, Ali"]
[Black "Utut Adianto"]
[Result "0-1"]
[ECO "E97"]
[EventDate "1980.08.17"]
[PlyCount "86"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Nd2 Ne8 10.b4 f5 11.f3 a5 12.bxa5 Rxa5 13.Nb3 Ra8 14.c5 f4 15.a4 g5 16.
Ba3 h5 17.Nd2 Rf6 18.Nc4 Rg6 19.h3 g4 20.fxg4 hxg4 21.hxg4 Rh6 22.cxd6 
cxd6 23.Nb5 Ng6 24.Nbxd6 Nxd6 25.Nxd6 Qh4 26.Nxc8 Qh2+ 27.Kf2 Qg3+ 28.Kg1 
Bf6 29.Bf3 Rxc8 30.Rf2 Bh4 31.Rb2 Rc3 32.g5 Bxg5 33.Rb3 Re3 34.Rxe3 fxe3 
35.Qe1 Qh2+ 36.Kf1 Nf4 37.Qxe3 Nh3 38.Qc5 Qh1+ 39.Ke2 Nf4+ 40.Kd2 Ne6+ 41.
Kc2 Nxc5 42.Rxh1 Rxh1 43.Bxc5 Rc1+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "6"]
[White "Zuger, Beat"]
[Black "Gerbert, Philipp"]
[Result "1/2-1/2"]
[WhiteElo "2235"]
[ECO "E62"]
[EventDate "1980.08.17"]
[PlyCount "113"]

1.g3 g6 2.Bg2 Bg7 3.c4 d6 4.Nc3 Nf6 5.Nf3 O-O 6.O-O Nc6 7.d4 Bg4 8.d5 Na5 
9.Nd2 c5 10.Qc2 e5 11.dxe6 Bxe6 12.Rd1 Nc6 13.Nde4 Nxe4 14.Nxe4 Nd4 15.Qd3
d5 16.cxd5 Bxd5 17.e3 Bxe4 18.Bxe4 Nc6 19.Qc2 Qb6 20.Bd2 Rfe8 21.Bd5 Nb4 
22.Bxb4 Qxb4 23.Rd3 c4 24.Qxc4 Qxc4 25.Bxc4 Rac8 26.Bd5 Rc2 27.Bb3 Rc7 28.
Rd2 Bf6 29.Kf1 Rd8 30.Rxd8+ Bxd8 31.Rd1 Bf6 32.Rd2 Kf8 33.e4 Be7 34.Ke2 h5
35.f4 Bc5 36.Kf3 Ke7 37.Rd5 Bb6 38.f5 Rc5 39.Kf4 Rxd5 40.Bxd5 Bg1 41.h4 
Bf2 42.fxg6 fxg6 43.Bxb7 a5 44.Bd5 Kf6 45.e5+ Kg7 46.b3 Be1 47.Bc4 Bd2+ 
48.Ke4 Be1 49.Kf3 Bc3 50.e6 Kf6 51.Bd3 Bb4 52.Bc4 Be1 53.Kg2 Bb4 54.Bd3 
Bc5 55.Kh3 Bb4 56.Bc4 Kf5 57.Bd3+ 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Allen, Keith"]
[Black "Valiente, Cristobal"]
[Result "1/2-1/2"]
[ECO "E85"]
[EventDate "1980.08.17"]
[PlyCount "131"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 e5 6.Nge2 O-O 7.Be3 Nc6 8.d5 Na5 
9.Nc1 c5 10.dxc6 bxc6 11.b4 Nb7 12.Be2 Be6 13.O-O Qc7 14.Nb3 Rfd8 15.Rc1 
Qe7 16.Qc2 d5 17.cxd5 cxd5 18.exd5 Bxd5 19.Nc5 Nd6 20.Bd3 Bc4 21.Bxc4 Nxc4
22.Bg5 h6 23.N3e4 hxg5 24.Qxc4 Rd4 25.Qb3 Rad8 26.Rfd1 Nd5 27.Rxd4 exd4 
28.Rd1 f5 29.Nf2 Kh7 30.Nfd3 Qe3+ 31.Kh1 Qe7 32.Re1 Ne3 33.Ne6 Re8 34.Ndc5
Bf6 35.Qd3 f4 36.Nxd4 Rd8 37.Nc6 Rxd3 38.Nxe7 Ra3 39.Nc6 Rxa2 40.Ne4 Kg7 
41.g3 g4 42.fxg4 f3 43.h3 Re2 44.Rc1 Bb2 45.Rb1 Nc4 46.Rf1 Rxe4 47.Rxf3 
Ne5 48.Nxe5 Bxe5 49.Ra3 Bd4 50.Kg2 Bb6 51.Rb3 Kf6 52.Kf3 Ke5 53.h4 Rc4 54.
Rb2 Rc3+ 55.Kg2 Kf6 56.Rb1 Bc7 57.Rf1+ Ke6 58.Rf3 Be5 59.g5 Rxf3 60.Kxf3 
a6 61.g4 Bc3 62.h5 gxh5 63.gxh5 Kf5 64.g6 Kf6 65.Ke4 Ke6 66.h6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Balsinde Elias, Rolando"]
[Black "Fowler, Jim"]
[Result "0-1"]
[ECO "A52"]
[EventDate "1980.08.17"]
[PlyCount "46"]

1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.Bf4 Nc6 5.Nf3 Bb4+ 6.Nbd2 Qe7 7.a3 Ncxe5 8.
Nxe5 Nxe5 9.e3 Bxd2+ 10.Qxd2 O-O 11.Be2 d6 12.O-O Be6 13.c5 Rfd8 14.cxd6 
Rxd6 15.Qc3 f6 16.Bxe5 fxe5 17.Qxe5 Rd5 18.Qe4 Re8 19.Bc4 Rd2 20.Bxe6+ 
Qxe6 21.Qxb7 Rf8 22.Rac1 Qf6 23.Rxc7 Qxf2+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Barua, Dibyendu"]
[Black "Guerra Osio, Jose Luis"]
[Result "1-0"]
[ECO "B84"]
[EventDate "1980.08.17"]
[PlyCount "49"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 Nbd7 7.a4 e6 8.O-O b6
9.f4 Bb7 10.Bf3 Rc8 11.Re1 Qc7 12.Kh1 Be7 13.Be3 O-O 14.Bf2 Rfe8 15.Qd2 
Bf8 16.Rad1 Qb8 17.Bg3 Rcd8 18.e5 Nd5 19.Nxd5 exd5 20.Bh4 Rc8 21.e6 Nc5 
22.e7 Ne4 23.Bxe4 dxe4 24.exf8=Q+ Kxf8 25.Nf5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Belkhodja, Slim"]
[Black "Weider, Dariusz"]
[Result "0-1"]
[ECO "B33"]
[EventDate "1980.08.17"]
[PlyCount "86"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Nd5 Nxd5 8.
exd5 Nb8 9.c4 Be7 10.Be2 O-O 11.O-O a6 12.Nc3 f5 13.f4 Bf6 14.Qc2 Nd7 15.
Kh1 exf4 16.Bxf4 Ne5 17.Rae1 Bd7 18.c5 dxc5 19.Bxa6 Rxa6 20.Bxe5 b5 21.
Bxf6 Qxf6 22.Ne4 Qd4 23.Qxc5 Qxb2 24.d6 Qxa2 25.Ng5 Qd2 26.Ne6 Ra2 27.Nf4 
Rc2 28.Qa3 Rc4 29.Qb3 Qxd6 30.Rd1 Qe7 31.Nd5 Qf7 32.Nb6 Rc7 33.Qd3 Bc6 34.
Rfe1 Be4 35.Qxb5 Qg6 36.Re2 Rb8 37.Qb3+ Kh8 38.Nc4 Rcc8 39.Qa4 Qg4 40.Red2
h6 41.Kg1 Bc6 42.Qa2 Ra8 43.Na5 Bxg2 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Borg, Geoffrey"]
[Black "Long, Peter"]
[Result "1/2-1/2"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "34"]

1.e4 c5 2.Nf3 e6 3.c3 b6 4.Bd3 Bb7 5.Qe2 Nf6 6.O-O Be7 7.e5 Nd5 8.Be4 Qc7 
9.d4 cxd4 10.cxd4 Ba6 11.Bd3 Bxd3 12.Qxd3 Nc6 13.a3 Rc8 14.Bd2 Na5 15.Bxa5
bxa5 16.Nbd2 O-O 17.Rab1 a4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Canda, Danilo"]
[Black "Sequeira, Fernando"]
[Result "1-0"]
[ECO "B43"]
[EventDate "1980.08.17"]
[PlyCount "53"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Bb4 7.Ne2 Nf6 8.Bg2 
O-O 9.O-O Be7 10.h3 Nc6 11.f4 Rd8 12.a3 d5 13.exd5 Bc5+ 14.Kh1 exd5 15.f5 
d4 16.Ne4 Be7 17.g4 Nxe4 18.Bxe4 Bf6 19.Nf4 Ne7 20.Qf3 Be5 21.Nh5 f6 22.g5
Rf8 23.gxf6 Bxf6 24.Nxf6+ Rxf6 25.Bg5 Rf8 26.f6 Be6 27.Bf4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Cauchy, Daniel"]
[Black "Hadi, Jardak"]
[Result "1/2-1/2"]
[ECO "C05"]
[EventDate "1980.08.17"]
[PlyCount "37"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4 c5 6.c3 Nc6 7.Ndf3 Qa5 8.Bd2 cxd4
9.Nxd4 Nxd4 10.cxd4 Bb4 11.Nf3 Nb6 12.Bxb4 Qxb4+ 13.Qd2 Qxd2+ 14.Nxd2 Bd7 
15.Bd3 Rc8 16.b3 Ke7 17.Nf3 Rc3 18.Kd2 Rhc8 19.Rac1 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Cuijpers, Franciscus"]
[Black "Kaspret, Guido"]
[Result "1-0"]
[ECO "B78"]
[EventDate "1980.08.17"]
[PlyCount "53"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 
Nc6 9.Bc4 Bd7 10.h4 Ne5 11.Bb3 Rc8 12.O-O-O Nc4 13.Bxc4 Rxc4 14.h5 Nxh5 
15.g4 Nf6 16.Nde2 Qa5 17.Bh6 Bh8 18.Bxf8 Kxf8 19.Kb1 Bg7 20.Nd5 Qa6 21.
Nxf6 Bxf6 22.Rxh7 Be6 23.Nf4 Qb5 24.Nxe6+ fxe6 25.Qh6+ Ke8 26.Qxg6+ Kd8 
27.Rxd6+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Danailov, Silvio"]
[Black "Arnason, Jon"]
[Result "1-0"]
[WhiteElo "2295"]
[BlackElo "2435"]
[ECO "E05"]
[EventDate "1980.08.17"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 Be7 5.Bg2 O-O 6.O-O dxc4 7.Qc2 a6 8.Qxc4 b5
9.Qc2 Bb7 10.Bf4 Nd5 11.Nbd2 Nd7 12.Nb3 c5 13.dxc5 Rc8 14.Rad1 Nxc5 15.
Nxc5 Rxc5 16.Qb1 Qc8 17.Be5 Nf6 18.Rc1 Be4 19.Qa1 Rd8 20.b3 Ne8 21.Qb2 Qb7
22.Rxc5 Bxc5 23.Rc1 Qa7 24.Rf1 Qd7 25.Nh4 Bxg2 26.Kxg2 f6 27.Bc3 b4 28.Be1
Qc6+ 29.Nf3 Qe4 30.Qc1 Be7 31.Qf4 Qc6 32.Kg1 e5 33.Qe3 Qc2 34.Qa7 Nc7 35.
Bd2 e4 36.Rc1 Qxc1+ 37.Bxc1 exf3 38.exf3 Rd1+ 39.Kg2 Rxc1 40.Qe3 Rc2 41.
Qxe7 a5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Lima, Darcy"]
[Black "Stigar, Petter"]
[Result "1/2-1/2"]
[ECO "B81"]
[EventDate "1980.08.17"]
[PlyCount "111"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be3 a6 7.g4 h6 8.h4 Nc6 
9.Rg1 h5 10.gxh5 Rxh5 11.Bg5 Rh8 12.Qd2 Qb6 13.Nb3 Bd7 14.O-O-O Qc7 15.Be2
b5 16.a3 b4 17.axb4 Nxb4 18.Kb1 Rc8 19.h5 Be7 20.f4 a5 21.e5 a4 22.exd6 
Bxd6 23.Qxd6 Qxd6 24.Rxd6 axb3 25.cxb3 Nbd5 26.Nxd5 Nxd5 27.f5 Rc6 28.Rxc6
Bxc6 29.Bd2 Kf8 30.fxe6 fxe6 31.Rc1 Bb7 32.Bg5 Kf7 33.b4 Rc8 34.b5 e5 35.
Bg4 Rxc1+ 36.Kxc1 Nf6 37.Bxf6 Kxf6 38.Kd2 Ke7 39.Ke3 Kd6 40.Bf3 Bc8 41.b6 
Bf5 42.Be4 Bg4 43.Bf3 Bf5 44.b4 Kd7 45.Kf2 e4 46.Bg2 Bg4 47.Bxe4 Bxh5 48.
Bb7 Bd1 49.Ke3 Ba4 50.Kf4 Bc6 51.Ba6 Bg2 52.b5 Kd6 53.Kf5 Kc5 54.b7 Bxb7 
55.Bxb7 Kxb5 56.Kg6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Gerbert, Philipp"]
[Black "Hjorth, Gregory"]
[Result "0-1"]
[ECO "B03"]
[EventDate "1980.08.17"]
[PlyCount "70"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Bc4 Nb6 5.Bb3 Bf5 6.Qf3 e6 7.Qxb7 d5 8.Nc3 Bb4
9.Ne2 O-O 10.O-O a5 11.Ba4 Qc8 12.Qxc8 Rxc8 13.a3 Bf8 14.Be3 Nxa4 15.Nxa4 
Bxc2 16.Nac3 Nd7 17.Rac1 Bb3 18.Nb1 Bc4 19.Rfe1 Rab8 20.Rc2 Nb6 21.Nc1 Na4
22.Bd2 Nxb2 23.Bxa5 Nd3 24.Nxd3 Bxd3 25.Rcc1 c5 26.dxc5 Rxc5 27.Bb4 Rxc1 
28.Rxc1 Bxb4 29.axb4 h6 30.Nc3 Rxb4 31.Rd1 d4 32.Na2 Rb2 33.f3 Bc2 34.Ra1 
Kh7 35.Kf1 Bb3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Hansen, Curt"]
[Black "Karolyi, Tibor"]
[Result "0-1"]
[BlackElo "2300"]
[ECO "B50"]
[EventDate "1980.08.17"]
[PlyCount "104"]

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.g3 e6 5.Bg2 Be7 6.O-O Nf6 7.d4 cxd4 8.Nxd4 O-O
9.a4 Qc7 10.a5 Nc6 11.Nxc6 bxc6 12.Be3 Nd7 13.Qd2 Rb8 14.b3 h6 15.f4 c5 
16.g4 Rb4 17.f5 Nf6 18.g5 hxg5 19.fxe6 fxe6 20.Bxg5 Bb7 21.Qd3 c4 22.Qh3 
Qc5+ 23.Be3 Qc8 24.Ra4 d5 25.exd5 exd5 26.Rxf6 gxf6 27.Qxc8 Rxc8 28.Bxd5+ 
Bxd5 29.Nxd5 Rb7 30.Nb6 cxb3 31.cxb3 Rc3 32.Rg4+ Kf7 33.Nd5 Rcxb3 34.Bb6 
Rb5 35.Nc7 Bc5+ 36.Bxc5 Rxc5 37.Rg7+ Kxg7 38.Ne6+ Kg6 39.Nxc5 Rb5 40.Nxa6 
Rxa5 41.Nb4 Kg5 42.Kg2 f5 43.Nd3 Ra2+ 44.Kg1 Kg4 45.Ne5+ Kf4 46.Ng6+ Ke3 
47.Ne5 f4 48.Ng4+ Ke2 49.Kg2 f3+ 50.Kg3 Ra1 51.h4 Rg1+ 52.Kf4 Rxg4+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "James, Stephen"]
[Black "Tassi, Oliviero"]
[Result "0-1"]
[ECO "A11"]
[EventDate "1980.08.17"]
[PlyCount "46"]

1.e3 Nf6 2.Nf3 d5 3.c4 c6 4.b4 e6 5.a3 Bd6 6.Qc2 O-O 7.Bb2 Nbd7 8.Be2 Re8 
9.O-O e5 10.cxd5 cxd5 11.Nc3 Bb8 12.Rac1 a6 13.Na4 b6 14.b5 axb5 15.Bxb5 
Ba6 16.Qb3 Bxb5 17.Qxb5 e4 18.Nd4 Bxh2+ 19.Kxh2 Ng4+ 20.Kh3 Qg5 21.Qxd7 
Qh5+ 22.Kg3 Qh2+ 23.Kxg4 h5+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Lasar, Yves"]
[Black "Grant, Conrad"]
[Result "1/2-1/2"]
[ECO "A73"]
[EventDate "1980.08.17"]
[PlyCount "56"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.e4 Bg7 8.Be2 O-O 
9.O-O Bg4 10.h3 Bxf3 11.Bxf3 a6 12.a4 Nbd7 13.Bf4 Qc7 14.Qc2 Rfe8 15.g4 
Ne5 16.Bg2 Rab8 17.Bg3 c4 18.Rfd1 b5 19.axb5 axb5 20.Ne2 Rb7 21.Bxe5 Rxe5 
22.Nd4 Re8 23.Ra6 Rb6 24.Ra2 b4 25.b3 c3 26.Nc6 Nd7 27.Rda1 Nb8 28.Ra7 Rb7
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Lirindzakis, Stayros"]
[Black "Fasheyitan, Olufemi"]
[Result "1-0"]
[ECO "E15"]
[EventDate "1980.08.17"]
[PlyCount "95"]

1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 e6 5.c4 d5 6.Ne5 Bb4+ 7.Bd2 Bxd2+ 8.Nxd2 
O-O 9.O-O Nbd7 10.Nxd7 Qxd7 11.b4 Rac8 12.c5 Qb5 13.Rb1 Bc6 14.e3 a5 15.a3
Ra8 16.Bf3 axb4 17.axb4 bxc5 18.bxc5 Qd3 19.Be2 Qf5 20.Rb2 e5 21.Nf3 exd4 
22.Nxd4 Qe5 23.Bb5 Bxb5 24.Rxb5 h5 25.c6 Ra6 26.Qd3 Rfa8 27.Qf5 Qxf5 28.
Nxf5 Rf8 29.Rb7 Ne8 30.Rc1 Kh7 31.Ne7 f5 32.Nxd5 Rf7 33.Rc5 h4 34.Kg2 hxg3
35.hxg3 g5 36.Rb8 Nd6 37.Rd8 Ne4 38.Rd7 Nxc5 39.Rxf7+ Kg6 40.Rxc7 Ne6 41.
Rc8 Kf7 42.c7 Rc6 43.Rb8 Nxc7 44.Rb7 Ke6 45.Nxc7+ Kd6 46.Nb5+ Ke5 47.Nd4 
Rf6 48.Nf3+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "McNab, Colin Anderson"]
[Black "Zuger, Beat"]
[Result "1/2-1/2"]
[BlackElo "2235"]
[ECO "B25"]
[EventDate "1980.08.17"]
[PlyCount "69"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Nh3 e6 7.O-O Nge7 8.f4 O-O 
9.g4 f5 10.gxf5 gxf5 11.Kh1 Bd7 12.Ne2 Be8 13.Ng3 Qd7 14.c3 Rb8 15.exf5 
Nxf5 16.Nxf5 exf5 17.Ng5 Kh8 18.Be3 h6 19.Nf3 Bh5 20.Qd2 Rbc8 21.Rae1 Qf7 
22.a3 a5 23.Bf2 b6 24.Re3 Rfe8 25.Rfe1 Rxe3 26.Rxe3 Re8 27.Nh4 Rxe3 28.
Bxe3 Ne7 29.d4 Qe6 30.d5 Qf6 31.Bf2 Ng6 32.Nxg6+ Qxg6 33.Qe1 Qg4 34.Bg3 
Bf6 35.Kg1 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Morales Moreno, Humberto"]
[Black "Atalik, Suat"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1980.08.17"]
[PlyCount "53"]

1.c4 Nf6 2.Nf3 c5 3.Nc3 b6 4.g3 Bb7 5.Bg2 e6 6.O-O Be7 7.d4 cxd4 8.Qxd4 d6
9.b3 O-O 10.Bb2 a6 11.Rfd1 Qc7 12.Rac1 Nbd7 13.Qf4 Rac8 14.g4 Ne5 15.Nxe5 
dxe5 16.Qg3 Bxg2 17.Qxg2 Rfd8 18.h3 Nd7 19.Ne4 Nf8 20.Ng3 Ng6 21.Qe4 f6 
22.Nh5 Bc5 23.e3 Qf7 24.Ng3 Qc7 25.Qc2 Qb7 26.Qe4 Qc7 27.Qc2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Morovic Fernandez, Ivan"]
[Black "Short, Nigel David"]
[Result "1/2-1/2"]
[WhiteElo "2380"]
[BlackElo "2360"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "120"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 a6 5.h3 b5 6.a3 Bb7 7.Bd3 Nd7 8.O-O c5 9.
d5 Ngf6 10.Re1 O-O 11.Bf1 Nb6 12.Bf4 Ne8 13.Qd2 Rc8 14.Bh6 e5 15.dxe6 fxe6
16.Bxg7 Kxg7 17.Rad1 Qe7 18.Nh2 e5 19.Ng4 Rd8 20.b3 Nc7 21.Ne3 Ne6 22.Ncd5
Nxd5 23.Nxd5 Bxd5 24.Qxd5 h5 25.c3 Nf4 26.Qc6 Qh4 27.g3 Nxh3+ 28.Bxh3 Qxh3
29.Rxd6 Rxf2 30.Kxf2 Rf8+ 31.Ke2 Qg4+ 32.Kd2 Rf2+ 33.Kc1 Qxg3 34.Rxg6+ 
Qxg6 35.Qxc5 Qg3 36.Qa7+ Kg6 37.Qb6+ Kg5 38.Qd8+ Kg4 39.Qg8+ Kh3 40.Rh1+ 
Rh2 41.Qxg3+ Kxg3 42.Rxh2 Kxh2 43.c4 h4 44.c5 h3 45.c6 Kg3 46.c7 h2 47.
c8=Q h1=Q+ 48.Kd2 Qxe4 49.Qxa6 Qd5+ 50.Ke2 Qf3+ 51.Ke1 Qxb3 52.Ke2 Qf3+ 
53.Ke1 Kg2 54.Qxb5 Qf2+ 55.Kd1 Qf1+ 56.Qxf1+ Kxf1 57.Kd2 Kf2 58.Kd3 Kf3 
59.Kd2 Kf2 60.Kd3 Kf3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Negulescu, Adrian"]
[Black "Benjamin, Joel"]
[Result "1-0"]
[WhiteElo "2410"]
[BlackElo "2350"]
[ECO "A41"]
[EventDate "1980.08.17"]
[PlyCount "59"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.Nf3 Nd7 5.Bg5 f6 6.Bh4 e5 7.e4 Nh6 8.Be2 Nf7 
9.O-O c6 10.Rb1 a5 11.a3 O-O 12.b4 Qc7 13.d5 axb4 14.axb4 f5 15.Ng5 Nxg5 
16.Bxg5 Bf6 17.Bh6 Bg7 18.Bxg7 Kxg7 19.exf5 gxf5 20.Qd2 Rf6 21.Ra1 Rxa1 
22.Qg5+ Kh8 23.Rxa1 Qd8 24.dxc6 bxc6 25.Ra7 Qf8 26.Bh5 f4 27.Rc7 Rf5 28.
Qh4 Qg8 29.Bg4 Rg5 30.Rxc8 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Obando, Arnoldo"]
[Black "Yoshida, Tetsuo"]
[Result "1-0"]
[ECO "C19"]
[EventDate "1980.08.17"]
[PlyCount "101"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Bd7 8.a4 Qa5
9.Bd2 Nbc6 10.Bd3 c4 11.Be2 Nf5 12.O-O f6 13.exf6 gxf6 14.Re1 O-O-O 15.Bf1
Rhg8 16.Qc1 Nce7 17.Qb2 Qc7 18.Kh1 Rg7 19.Rab1 Ng6 20.g3 Rdg8 21.Bg2 h5 
22.Bh3 e5 23.dxe5 fxe5 24.Nxe5 Nxg3+ 25.fxg3 Bxh3 26.Nxg6 Rxg6 27.Bf4 Qf7 
28.Qb4 d4 29.Qc5+ Rc6 30.Qe5 Rc7 31.Qxc7+ Qxc7 32.Bxc7 Kxc7 33.cxd4 h4 34.
Re7+ Kd6 35.Re3 b6 36.Kg1 hxg3 37.Rxg3 Rxg3+ 38.hxg3 Kd5 39.c3 Bf5 40.Re1 
Bc2 41.a5 Be4 42.axb6 axb6 43.g4 b5 44.g5 b4 45.cxb4 Kxd4 46.Rxe4+ Kxe4 
47.Kf2 Kd3 48.g6 c3 49.g7 c2 50.g8=Q c1=Q 51.Qd5+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Rodas Maritni, Pablo"]
[Black "Damljanovic, Branko"]
[Result "0-1"]
[BlackElo "2335"]
[ECO "B57"]
[EventDate "1980.08.17"]
[PlyCount "114"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Qb6 7.Nb3 e6 8.Be3 
Qc7 9.Be2 Be7 10.O-O O-O 11.f4 b6 12.Bf3 Bb7 13.Rf2 Rad8 14.Rd2 a6 15.Qe1 
b5 16.Qf2 Nd7 17.a3 Na5 18.Nxa5 Qxa5 19.Re1 Qc7 20.Qg3 Bc6 21.Bd4 e5 22.
Be3 exf4 23.Bxf4 Ne5 24.Nd5 Bxd5 25.exd5 Bf6 26.c3 Qe7 27.Bxe5 Bxe5 28.Qf2
a5 29.Rde2 Rb8 30.Rc1 Qf6 31.g3 b4 32.axb4 axb4 33.Be4 Qh6 34.Qe3 Qh5 35.
c4 f5 36.Bf3 Qg6 37.Qd3 Qf6 38.b3 Rbe8 39.Kg2 Rc8 40.Rcc2 Rc7 41.Rf2 g6 
42.Kh1 Ra8 43.Ra2 Ra3 44.Qb1 Kg7 45.Bd1 Rca7 46.Kg2 h5 47.Rxa3 bxa3 48.b4 
Bb2 49.Qa2 Qd4 50.Bf3 Re7 51.c5 dxc5 52.bxc5 Qxc5 53.Rxb2 axb2 54.Qxb2+ 
Kh7 55.Qf6 Rg7 56.d6 Rd7 57.Qe6 Qxd6 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Santo-Roman, Marc"]
[Black "Valkesalmi, Kimmo"]
[Result "1/2-1/2"]
[WhiteElo "2205"]
[ECO "B52"]
[EventDate "1980.08.17"]
[PlyCount "61"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 e5 6.Nc3 Nc6 7.d3 Nge7 8.Nd5
Nd4 9.Nxd4 cxd4 10.O-O Nxd5 11.cxd5 O-O-O 12.f4 Kb8 13.Bd2 Rc8 14.Qb3 f6 
15.h3 Be7 16.fxe5 dxe5 17.Rac1 Rxc1 18.Rxc1 Bd6 19.Bb4 Ka8 20.Qc4 Kb8 21.
Qb3 Ka8 22.Qc4 Kb8 23.Bc5 g6 24.Qb4 Bxc5 25.Rxc5 f5 26.d6 Rc8 27.Qc4 b6 
28.Rxc8+ Qxc8 29.exf5 gxf5 30.Qf7 Qc1+ 31.Kh2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Shrentzel, Mordechai"]
[Black "Corral Blanco, Juan Antonio"]
[Result "1/2-1/2"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "36"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3 Nc6 6.cxd4 d6 7.Bc4 Nb6 8.Bb5 e6
9.Nc3 d5 10.O-O Be7 11.Bd3 a6 12.Ne2 Bd7 13.Ng3 h5 14.Bb1 g6 15.Ne2 Kf8 
16.g3 Kg7 17.h4 Rc8 18.Bg5 Nc4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Tavares, Shawn"]
[Black "Pajak, Jan"]
[Result "1/2-1/2"]
[ECO "B03"]
[EventDate "1980.08.17"]
[PlyCount "97"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.d4 d6 5.f4 dxe5 6.fxe5 Bf5 7.Be3 e6 8.Nc3 Bb4
9.Nf3 c5 10.Be2 Nc6 11.O-O cxd4 12.Nxd4 Nxd4 13.Bxd4 Rc8 14.b3 O-O 15.Kh1 
a6 16.Bf3 Qc7 17.Qe2 Rfd8 18.Qe3 Rxd4 19.Qxd4 Rd8 20.Nd5 exd5 21.cxd5 Bc3 
22.Rac1 Bxd4 23.Rxc7 Bxe5 24.Rxb7 Nc8 25.Be2 Be4 26.Bxa6 Nd6 27.Rc7 Ra8 
28.Re1 f5 29.Bd3 Bxd3 30.Rxe5 Rxa2 31.h4 h6 32.Ree7 Kh8 33.Rxg7 Ne8 34.Ra7
Be4 35.Rxa2 Kxg7 36.Rd2 Nd6 37.b4 Kf6 38.b5 Ke5 39.b6 Bxd5 40.Kh2 Bb7 41.
Rc2 f4 42.Rc5+ Kf6 43.Rc3 Be4 44.Kg1 Kf5 45.Rc5+ Kg4 46.Re5 Ba8 47.Re6 Nf5
48.Rf6 h5 49.Kf1 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Tempone, Marcelo"]
[Black "Kasparov, Garry"]
[Result "0-1"]
[WhiteElo "2235"]
[BlackElo "2595"]
[ECO "A05"]
[EventDate "1980.08.17"]
[PlyCount "86"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 c5 5.c4 d6 6.Bg2 e5 7.O-O Nc6 8.Nc3 O-O 
9.d3 Ne8 10.Nd2 Nc7 11.e3 Be6 12.Rc1 Qd7 13.Re1 Rad8 14.Nde4 h6 15.f4 f5 
16.Nf2 exf4 17.gxf4 Qf7 18.Qd2 g5 19.Ne2 d5 20.Bxg7 Qxg7 21.Kh1 dxc4 22.
bxc4 Ne8 23.Qc3 Nf6 24.d4 Bc8 25.Rcd1 cxd4 26.exd4 Ne7 27.d5 Ng6 28.Nd3 
Nh4 29.Rg1 b5 30.Ne5 bxc4 31.Qxc4 Bb7 32.d6+ Kh7 ( 32...Kh8 33.Bxb7 Qxb7+ 
34.Qc6 Ne4 35.Rge1 ) 33.Bxb7 Qxb7+ 34.Qc6 Qxc6+ 35.Nxc6 Ne4 36.Rgf1 ( 36.
Rge1 Rc8 ( 36...Nf2+ 37.Kg1 Nxd1 38.Rxd1 ) ( 36...Rxd6 37.Rxd6 Nxd6 38.
fxg5 hxg5 39.Ned4 Ne4 ) 37.d7 Rxc6 38.d8=Q Rxd8 39.Rxd8 Rc2 40.Nd4 Rg2 ( 
40...Nf2+ 41.Kg1 Nh3+ 42.Kh1 Rg2 43.Rd7+ Kg6 44.Rd6+ Kh5 45.Rxh6+ Kxh6 46.
Nxf5+ ) 41.Rxe4 fxe4 ) 36...Rxd6 ( 36...Rc8 37.Ned4 Nxd6 38.Ne6 ) 37.Rxd6 
Nxd6 38.fxg5 hxg5 39.Rd1 Re8 40.Ned4 Re3 41.Kg1 Ne4 42.Rb1 Rd3 43.a4 Rd2 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Toro Sanchez, Bernardo"]
[Black "Akesson, Ralf"]
[Result "1/2-1/2"]
[WhiteElo "2265"]
[BlackElo "2230"]
[ECO "A88"]
[EventDate "1980.08.17"]
[PlyCount "86"]

1.d4 f5 2.Nf3 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.c4 d6 7.Qc2 c6 8.Nc3 Qc7 
9.b3 a5 10.Bb2 Na6 11.Rad1 e5 12.dxe5 dxe5 13.a3 Be6 14.Na4 Ne4 15.Nc3 
Nec5 16.Na2 h6 17.b4 axb4 18.Nxb4 g5 19.h3 f4 20.g4 Rae8 21.Nxa6 bxa6 22.
Nd2 h5 23.gxh5 Bf5 24.Ne4 Bh8 25.f3 Qh7 26.Rd6 Qxh5 27.Qc3 Ne6 28.Nf2 Nd4 
29.Qd2 Rd8 30.Rxd8 Rxd8 31.Bxd4 Rxd4 32.Qb2 Qf7 33.Qb8+ Kh7 34.Ng4 Qxc4 
35.Qe8 Bxg4 36.fxg4 Rd2 37.Qh5+ Kg8 38.Qxg5+ Bg7 39.Rb1 Qd4+ 40.Kh2 Rb2 
41.Rxb2 Qxb2 42.Qd8+ Bf8 43.Qg5+ Bg7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Tovillas, Daniel"]
[Black "Utut Adianto"]
[Result "1/2-1/2"]
[ECO "B21"]
[EventDate "1980.08.17"]
[PlyCount "97"]

1.e4 c5 2.f4 Nc6 3.Nf3 g6 4.Bb5 Bg7 5.O-O e6 6.Bxc6 bxc6 7.f5 d5 8.Qe1 
dxe4 9.Qxe4 Qd5 10.Nc3 Bxc3 11.Qxd5 cxd5 12.bxc3 gxf5 13.Ba3 Ba6 14.Rfe1 
Rc8 15.Rab1 Nf6 16.c4 d4 17.d3 O-O 18.Ne5 Rc7 19.Rb3 Rfc8 20.Bc1 Bb7 21.
Bh6 Ne8 22.Nf3 Bc6 23.Ra3 Re7 24.Ra5 Bxf3 25.gxf3 e5 26.Bc1 f6 27.Ba3 Rec7
28.Ra6 Kf7 29.f4 exf4 30.Kf2 Ng7 31.Kf3 Nh5 32.Rd6 Rb8 33.Rd5 Rbc8 34.Rxf5
Ng7 35.Rxf4 Ne6 36.Rf5 Rc6 37.Bc1 Re8 38.Rf1 Kg6 39.Kg4 Ng7 40.Rd5 Re2 41.
Rd7 Rxh2 42.Rxa7 Rxc2 43.Kf3 Ne6 44.Ke4 Rd6 45.Bf4 Ng5+ 46.Bxg5 Re6+ 47.
Kd5 Re5+ 48.Kd6 Rxg5 49.Ra8 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Ye Rongguang"]
[Black "Bates, Giles"]
[Result "1-0"]
[ECO "A00"]
[EventDate "1980.08.17"]
[PlyCount "94"]

1.b4 e5 2.Bb2 Bxb4 3.Bxe5 Nf6 4.Nf3 O-O 5.a3 Be7 6.c4 b6 7.g3 Nc6 8.Bb2 
Na5 9.Qc2 Ba6 10.d3 d5 11.Nbd2 Re8 12.e3 dxc4 13.dxc4 Ng4 14.h3 Nh6 15.Rd1
Bb7 16.Bg2 Bf6 17.Nb3 Qe7 18.Nxa5 bxa5 19.O-O Be4 20.Qc1 Rab8 21.Bxf6 Qxf6
22.Nd4 Nf5 23.Bxe4 Rxe4 24.Qc2 Rbe8 25.Nxf5 Qxf5 26.f3 R4e5 27.Qxf5 Rxf5 
28.Kf2 Kf8 29.Rd5 Rxd5 30.cxd5 Rb8 31.Rc1 Rb7 32.Rc5 Rb2+ 33.Ke1 Rb1+ 34.
Kd2 Rb2+ 35.Kd3 Rb3+ 36.Kd4 Rxa3 37.Rxc7 Ra1 38.Rxa7 a4 39.Ke5 a3 40.Kd6 
g6 41.e4 a2 42.Ra8+ Kg7 43.Ke7 f5 44.d6 fxe4 45.fxe4 Re1 46.Rxa2 Rxe4+ 47.
Kd8 Rd4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "7"]
[White "Zabihi, Ali"]
[Black "Bischoff, Klaus"]
[Result "0-1"]
[ECO "A42"]
[EventDate "1980.08.17"]
[PlyCount "80"]

1.Nf3 g6 2.c4 Bg7 3.Nc3 d6 4.d4 Nd7 5.e4 e5 6.Be2 c6 7.O-O Nh6 8.h3 O-O 9.
d5 c5 10.Rb1 f6 11.Qc2 Nf7 12.b4 cxb4 13.Rxb4 Nc5 14.Be3 b6 15.Re1 f5 16.
exf5 gxf5 17.Rbb1 Bd7 18.Nd2 Qf6 19.Nb5 Bh6 20.Bh5 Bxe3 21.Rxe3 f4 22.Ra3 
Bf5 23.Qd1 Bxb1 24.Qxb1 Qe7 25.Bg4 Kh8 26.Qe1 Rg8 27.Nd4 Nd8 28.Bf3 Rc8 
29.Nb5 a6 30.Nc3 Ndb7 31.Qb1 Qc7 32.Bg4 Rcf8 33.Be6 Rg6 34.Bf5 Rg7 35.Nde4
Rxf5 36.Nxc5 Rfg5 37.Ne6 Rxg2+ 38.Kh1 Rg1+ 39.Qxg1 Rxg1+ 40.Kxg1 Qxc4 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Utut Adianto"]
[Black "Morovic Fernandez, Ivan"]
[Result "1/2-1/2"]
[BlackElo "2380"]
[ECO "C66"]
[EventDate "1980.08.17"]
[PlyCount "57"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 exd4 7.Nxd4 Be7 8.Nxc6
Bxc6 9.Bxc6+ bxc6 10.Re1 O-O 11.Bf4 Nd7 12.Qd3 Qb8 13.Qc4 Qb7 14.Rad1 Bf6 
15.Bc1 Ne5 16.Qb3 Qa6 17.Qa4 Qb6 18.Be3 Qb7 19.Bd4 Rfe8 20.f4 Nd7 21.Bxf6 
Nxf6 22.e5 Qb6+ 23.Qd4 dxe5 24.Qxb6 axb6 25.Rxe5 Rxe5 26.fxe5 Ng4 27.Rd7 
Rc8 28.e6 fxe6 29.Re7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Akesson, Ralf"]
[Black "Danailov, Silvio"]
[Result "1-0"]
[WhiteElo "2230"]
[BlackElo "2295"]
[ECO "A05"]
[EventDate "1980.08.17"]
[PlyCount "71"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O e6 5.d3 d5 6.Nbd2 Nbd7 7.b3 Be7 8.Bb2 
O-O 9.Re1 c5 10.e4 d4 11.Qe2 e5 12.Rf1 Ne8 13.Bh3 Bf6 14.Ne1 Nb8 15.f4 Nc6
16.Bc1 Nd6 17.Nef3 b5 18.Rf2 a6 19.Ba3 Qb6 20.Bd7 exf4 21.gxf4 Be7 22.e5 
Ne8 23.Ne4 Rd8 24.Bxe8 Rdxe8 25.f5 b4 26.Bc1 f6 27.e6 Ne5 28.Rg2 Nxf3+ 29.
Qxf3 Kh8 30.Qg4 Rg8 31.Qh5 Qc6 32.Kf2 Rd8 33.Rg3 g6 34.Qxh7+ Kxh7 35.Rh3+ 
Kg7 36.Bh6+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Allen, Keith"]
[Black "Fasheyitan, Olufemi"]
[Result "1/2-1/2"]
[ECO "A50"]
[EventDate "1980.08.17"]
[PlyCount "121"]

1.d4 Nf6 2.c4 b6 3.Nc3 Bb7 4.Qc2 e6 5.e4 Bb4 6.Bd3 Bxc3+ 7.bxc3 d6 8.Nf3 
h6 9.h3 Nbd7 10.a4 a5 11.Ba3 e5 12.Rb1 Qe7 13.Kd1 O-O 14.d5 Rfe8 15.Bc1 
Nc5 16.g4 Nfd7 17.Rg1 Ba6 18.Be3 g5 19.Nd2 Kg7 20.h4 f6 21.Nf1 Kg6 22.Ng3 
Rh8 23.Rh1 Raf8 24.Kd2 Nxd3 25.Kxd3 Rf7 26.Rh3 Rfh7 27.Rbh1 Nc5+ 28.Bxc5 
bxc5 29.Nf5 Qd7 30.f3 Qe8 31.Qb3 Qd7 32.R1h2 Qe8 33.Rb2 Qd7 34.Qd1 Qe8 35.
Rh1 Qd7 36.Rh3 Qe8 37.Qa1 Qa8 38.Rbh2 Qe8 39.Rb2 Qa8 40.Rbh2 Qe8 41.Qd1 
Qd8 42.Rh1 Qe8 43.R3h2 Qd7 44.Qb3 Qd8 45.Rb2 Qd7 46.Qa2 Qd8 47.h5+ Kf7 48.
Qb3 Qd7 49.Rhb1 Ra8 50.Qa2 Qd8 51.Rb3 Rh8 52.R1b2 Kg8 53.Qb1 Kh7 54.Ne3 
Qe8 55.Qa2 Qd7 56.Nf5 Rhd8 57.Ne3 Qe8 58.Qb1 Kh8 59.Rb5 Bxb5 60.cxb5 Ra7 
61.Nc4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Arnason, Jon"]
[Black "McNab, Colin Anderson"]
[Result "1-0"]
[WhiteElo "2435"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "43"]

1.e4 g6 2.d4 d6 3.Nc3 Bg7 4.f4 Nc6 5.Be3 Nf6 6.h3 e5 7.dxe5 dxe5 8.Qxd8+ 
Nxd8 9.Nb5 Ne6 10.f5 a6 11.fxe6 axb5 12.Bxb5+ Ke7 13.exf7 Nxe4 14.Nf3 Nd6 
15.Be2 e4 16.Nd4 Rf8 17.a3 Rxf7 18.O-O-O Nf5 19.Nxf5+ Bxf5 20.Bc4 Rf6 21.
Bg5 h5 22.g4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Bates, Giles"]
[Black "James, Stephen"]
[Result "1-0"]
[ECO "A05"]
[EventDate "1980.08.17"]
[PlyCount "43"]

1.Nf3 Nf6 2.g3 b5 3.Bg2 Bb7 4.O-O e6 5.d3 c5 6.e4 Be7 7.c3 O-O 8.Nbd2 d5 
9.e5 Nfd7 10.Re1 Nc6 11.Nf1 Nb6 12.d4 b4 13.Ne3 bxc3 14.bxc3 Na5 15.h4 
Nbc4 16.Ng4 Rc8 17.Bf1 cxd4 18.cxd4 Qb6 19.Ng5 Ba6 20.Nf6+ gxf6 21.exf6 
Bxf6 22.Qh5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Cauchy, Daniel"]
[Black "Belkhodja, Slim"]
[Result "0-1"]
[ECO "B32"]
[EventDate "1980.08.17"]
[PlyCount "74"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 a6 6.Nd6+ Bxd6 7.Qxd6 Qf6 8.
Qxf6 Nxf6 9.Bd3 d5 10.exd5 Nxd5 11.O-O O-O 12.f4 Nxf4 13.Bxf4 exf4 14.Rxf4
Be6 15.Nc3 Rac8 16.a3 Ne5 17.Be4 Rc4 18.Ne2 g5 19.b3 Rc7 20.Rf2 Rd8 21.c4 
Nc6 22.Bxc6 Rxc6 23.Ng3 Rd3 24.Rb1 Rb6 25.Rfb2 f5 26.c5 Rc6 27.b4 Rxa3 28.
Ne2 Rd3 29.Kf2 Kf7 30.Ng3 Kg6 31.Nf1 f4 32.Rd2 Rxd2+ 33.Nxd2 Bd5 34.Re1 
Re6 35.Rxe6+ Bxe6 36.Ne4 Bd5 37.Nd6 Kf6 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Corral Blanco, Juan Antonio"]
[Black "Pajak, Jan"]
[Result "0-1"]
[ECO "A34"]
[EventDate "1980.08.17"]
[PlyCount "74"]

1.Nf3 c5 2.c4 b6 3.Nc3 Bb7 4.e4 e6 5.Bd3 d6 6.Bc2 a6 7.O-O Qc7 8.b3 Nf6 9.
Bb2 Be7 10.d4 cxd4 11.Nxd4 g5 12.Re1 Nbd7 13.Rc1 Rg8 14.b4 Ne5 15.Bb3 Rd8 
16.Ba4+ Kf8 17.Bb3 h5 18.Nf3 g4 19.Nxe5 dxe5 20.Qe2 Bxb4 21.Red1 Rd4 22.
Rxd4 exd4 23.Na4 e5 24.c5 Bxc5 25.Qc4 Nxe4 26.Nxb6 Qe7 27.Na4 Bd6 28.Qd3 
Ng5 29.Qf5 Kg7 30.Nb6 Be4 31.Qd7 Qxd7 32.Nxd7 Ne6 33.Re1 Rd8 34.Nxe5 Bxe5 
35.Rxe4 Kf6 36.Re1 Nc5 37.Bxf7 Nd3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Cuijpers, Franciscus"]
[Black "Tempone, Marcelo"]
[Result "0-1"]
[BlackElo "2235"]
[ECO "C42"]
[EventDate "1980.08.17"]
[PlyCount "38"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 
Bg4 9.c3 f5 10.Nbd2 O-O 11.Qb3 Kh8 12.Ne5 Nxe5 13.dxe5 Bc5 14.Rf1 Nxf2 15.
Rxf2 Qh4 16.g3 Bxf2+ 17.Kxf2 Qxh2+ 18.Ke3 Qg1+ 19.Kf4 g5+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Damljanovic, Branko"]
[Black "Santo-Roman, Marc"]
[Result "1/2-1/2"]
[WhiteElo "2335"]
[BlackElo "2205"]
[ECO "D58"]
[EventDate "1980.08.17"]
[PlyCount "88"]

1.d4 d5 2.Nf3 Nf6 3.c4 e6 4.Nc3 Be7 5.Bg5 h6 6.Bh4 O-O 7.e3 b6 8.Rc1 Bb7 
9.Bxf6 Bxf6 10.cxd5 exd5 11.b4 c6 12.Bd3 Qd6 13.Qb3 Nd7 14.O-O a5 15.bxa5 
Rxa5 16.a4 g6 17.e4 dxe4 18.Nxe4 Qf4 19.Rfe1 Bg7 20.Nc5 bxc5 21.Qxb7 Qd6 
22.Be4 Nb8 23.dxc5 Rxc5 24.Rcd1 Qf6 25.Qc7 Qc3 26.h4 Qc4 27.Rb1 Na6 28.Qe7
Nb4 29.Nd2 Nd5 30.Nxc4 Nxe7 31.Nd6 Nd5 32.Nb7 Rc4 33.Bxd5 cxd5 34.a5 Bc3 
35.Red1 d4 36.a6 Rc6 37.a7 Ra8 38.Rb5 Rxa7 39.Nc5 Ra2 40.Nb3 Rd6 41.Rb8+ 
Kg7 42.Nc5 f5 43.g3 Kf6 44.Nd3 Rda6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Lima, Darcy"]
[Black "Gerbert, Philipp"]
[Result "0-1"]
[ECO "B97"]
[EventDate "1980.08.17"]
[PlyCount "112"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Nb3 
Nbd7 9.Qe2 Qc7 10.O-O-O b5 11.a3 Bb7 12.g4 O-O-O 13.Bg2 Be7 14.Bh4 Nb6 15.
g5 Nfd7 16.f5 e5 17.Nd5 Bxd5 18.exd5 Nc4 19.Rd3 f6 20.Rc3 Kb8 21.Bf2 Rc8 
22.Nd2 fxg5 23.Nxc4 bxc4 24.Qe3 Qb7 25.Bf1 Bd8 26.Bxc4 Bb6 27.Qe2 Bxf2 28.
Qxf2 Nc5 29.Qe3 h6 30.Rf1 Rhf8 31.Be2 Ka8 32.b4 Nd7 33.Rd1 Rxc3 34.Qxc3 
Rc8 35.Qd3 Ka7 36.Kb2 Nb6 37.Qe3 Kb8 38.Kb3 Nxd5 39.Qd2 Qc6 40.c4 Nf4 41.
Qe3 e4 42.Rd4 d5 43.Bf1 Re8 44.Rd1 Rc8 45.Rd4 Re8 46.Rd1 Nd3 47.c5 Nf4 48.
a4 Rc8 49.Rc1 Qf6 50.b5 axb5 51.axb5 Qe5 52.Qd2 d4 53.Qa5 Qd5+ 54.Kb2 d3 
55.c6 Qd4+ 56.Rc3 Nd5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Grant, Conrad"]
[Black "Balsinde Elias, Rolando"]
[Result "0-1"]
[ECO "C70"]
[EventDate "1980.08.17"]
[PlyCount "48"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Na5 6.c3 Nxb3 7.Qxb3 d6 8.d4 Be6
9.d5 Bg4 10.Nbd2 Nf6 11.Qc2 Be7 12.h3 Bh5 13.O-O h6 14.c4 O-O 15.b3 Bg6 
16.Re1 Qd7 17.Bb2 Nh5 18.Rac1 Nf4 19.Kh2 f5 20.Ng1 Rf7 21.g3 Nh5 22.Qc3 
fxe4 23.Re2 Raf8 24.Qe3 Bg5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Guerra Osio, Jose Luis"]
[Black "Fowler, Jim"]
[Result "1-0"]
[ECO "C79"]
[EventDate "1980.08.17"]
[PlyCount "45"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.c4 Bd7 7.Nc3 Be7 8.d4 exd4
9.Nd5 O-O 10.Re1 Ne5 11.Nxd4 Nxd5 12.cxd5 Bxa4 13.Qxa4 Qd7 14.Qd1 c5 15.
dxc6 bxc6 16.Bd2 Bh4 17.Nf5 Bxf2+ 18.Kxf2 d5 19.Bc3 f6 20.Kg1 Rad8 21.Qd4 
Qe6 22.Rad1 g6 23.Ne3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Hjorth, Gregory"]
[Black "Tovillas, Daniel"]
[Result "1-0"]
[ECO "B20"]
[EventDate "1980.08.17"]
[PlyCount "37"]

1.e4 c5 2.b3 d6 3.Bb2 Nf6 4.Bxf6 gxf6 5.Qh5 Nc6 6.Bb5 Qd7 7.Nc3 a6 8.Bxc6 
Qxc6 9.Nge2 Bg7 10.Qh4 b5 11.Ng3 f5 12.Nd5 Ra7 13.c3 Be6 14.Nf4 Bc8 15.
exf5 Be5 16.O-O c4 17.Rae1 O-O 18.Nfh5 Kh8 19.f4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Hadi, Jardak"]
[Black "Yoshida, Tetsuo"]
[Result "1/2-1/2"]
[ECO "C20"]
[EventDate "1980.08.17"]
[PlyCount "96"]

1.e4 e5 2.b3 Nf6 3.Nc3 Bc5 4.Be2 d5 5.exd5 Nxd5 6.Ne4 Bd4 7.c3 Bb6 8.Ba3 
Nf4 9.g3 Nd3+ 10.Bxd3 Qxd3 11.Qe2 Qxe2+ 12.Nxe2 Bg4 13.d3 Nd7 14.c4 f5 15.
Ng5 h6 16.f3 Bh5 17.g4 hxg5 18.gxh5 f4 19.b4 Be3 20.Bc1 Bxc1 21.Rxc1 c5 
22.b5 Rxh5 23.Kf2 Kf7 24.Nc3 Nf6 25.h3 Rd8 26.Rcd1 b6 27.Kg2 Ke6 28.Rhe1 
Rdh8 29.Rh1 Rh4 30.a4 Nh5 31.Ne4 Kf5 32.Nd6+ Kg6 33.Ne4 Nf6 34.Nf2 Kf7 35.
a5 Ra8 36.Ra1 Rhh8 37.Ra2 a6 38.axb6 axb5 39.Rxa8 Rxa8 40.cxb5 Rb8 41.Rc1 
Rxb6 42.Rxc5 Ke6 43.d4 Nd7 44.Rc6+ Rxc6 45.bxc6 Nb6 46.dxe5 Kxe5 47.Ne4 
Nd5 48.Kf2 Nc7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Karolyi, Tibor"]
[Black "Negulescu, Adrian"]
[Result "0-1"]
[WhiteElo "2300"]
[BlackElo "2410"]
[ECO "B02"]
[EventDate "1980.08.17"]
[PlyCount "102"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.b3 g6 5.d4 d6 6.exd6 cxd6 7.Bb2 Bg7 8.h3 O-O 
9.Nf3 Nc6 10.Be2 e5 11.dxe5 dxe5 12.Nc3 Qe7 13.O-O e4 14.Nd2 Rd8 15.Qe1 
Bf5 16.Nd5 Nxd5 17.Bxg7 Kxg7 18.cxd5 Rxd5 19.Nc4 Be6 20.f3 exf3 21.Bxf3 
Rf5 22.Rc1 Nd4 23.Nd2 Nxf3+ 24.Nxf3 Rd8 25.Qe3 b6 26.Nd4 Rxf1+ 27.Rxf1 Qd6
28.Nxe6+ Qxe6 29.Qc3+ Kg8 30.Re1 Qd6 31.Kh1 h5 32.Qc4 Kg7 33.Rf1 Qd5 34.
Qf4 Rd6 35.Rc1 Rf6 36.Qe3 Kh7 37.Qe2 Qf5 38.Qa6 g5 39.Qe2 g4 40.Qc2 Qxc2 
41.Rxc2 g3 42.Kg1 Kg6 43.h4 Kf5 44.Rc7 a5 45.Rc4 Rd6 46.Kf1 Rd2 47.Rc3 
Rf2+ 48.Kg1 Kg4 49.Rc4+ Rf4 50.Rc6 b5 51.Rc5 Rf5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Kasparov, Garry"]
[Black "Toro Sanchez, Bernardo"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2265"]
[ECO "A14"]
[EventDate "1980.08.17"]
[PlyCount "43"]

1.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 Be7 5.O-O O-O 6.b3 c5 7.Bb2 Nc6 8.e3 d4 9.
exd4 cxd4 10.Re1 Re8 11.a3 a5 12.d3 Bc5 13.Ne5 Nxe5 14.Rxe5 Qc7 15.Re1 e5 
16.Nd2 Bg4 17.Qc2 Rab8 18.Ne4 Nxe4 19.Bxe4 Bd7 20.Bc1 Bc6 21.f4 exf4 22.
Bxf4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Kaspret, Guido"]
[Black "Canda, Danilo"]
[Result "1-0"]
[ECO "A25"]
[EventDate "1980.08.17"]
[PlyCount "123"]

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.h4 h5 6.d3 d6 7.Bg5 f6 8.Be3 Nge7 9.
Nd5 Nf5 10.Bd2 Be6 11.b4 Qd7 12.b5 Nd8 13.Nf3 c6 14.bxc6 bxc6 15.Nb4 Ne7 
16.Qa4 Rb8 17.Na6 Rb7 18.O-O Bh3 19.Bxh3 Qxh3 20.Rfb1 Qc8 21.Bb4 Qd7 22.
Rb3 c5 23.Qxd7+ Kxd7 24.Bxc5 Rxb3 25.axb3 dxc5 26.Nxc5+ Kc6 27.b4 Nc8 28.
d4 exd4 29.Nxd4+ Kc7 30.Rd1 Bh6 31.Nb5+ Kc6 32.Ra1 Rh7 33.Ra6+ Nb6 34.Nb3 
Re7 35.Na5+ Kd7 36.Rxa7+ Ke8 37.Nd6+ Kf8 38.Ra6 Na4 39.Ra8 Rd7 40.c5 Ke7 
41.Nac4 Nc3 42.Nb6 Nxe2+ 43.Kf1 Nd4 44.Nxd7 Kxd7 45.b5 Nb3 46.c6+ Nxc6 47.
Nf7 Bc1 48.bxc6+ Kxc6 49.Rb8 Nc5 50.Rg8 Kd7 51.Rxg6 Ke7 52.Nh6 Ke6 53.f4 
Ne4 54.Kg2 Ba3 55.Rg8 Bb4 56.Re8+ Kd5 57.Ng8 Bc3 58.Kf3 Nd6 59.Re3 Bd4 60.
Rd3 Ne4 61.Ne7+ Kc4 62.Kxe4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Lirindzakis, Stayros"]
[Black "Zabihi, Ali"]
[Result "1/2-1/2"]
[ECO "D58"]
[EventDate "1980.08.17"]
[PlyCount "38"]

1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.Bg5 Be7 5.Nc3 O-O 6.e3 h6 7.Bh4 b6 8.Bxf6 Bxf6
9.cxd5 exd5 10.Be2 Be6 11.O-O c5 12.Rc1 a6 13.b3 Qd6 14.dxc5 bxc5 15.Ne4 
Qb6 16.Nxc5 Nc6 17.Na4 Qb7 18.Nc5 Qb6 19.Na4 Qb7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Morales Moreno, Humberto"]
[Black "Long, Peter"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1980.08.17"]
[PlyCount "63"]

1.e4 d6 2.Nf3 Nf6 3.Nc3 g6 4.d4 Bg7 5.Bg5 c6 6.Qd2 b5 7.Bd3 Bg4 8.Qf4 Bxf3
9.Qxf3 Nbd7 10.O-O O-O 11.Rfe1 b4 12.Ne2 Qa5 13.Bd2 Qb6 14.Be3 c5 15.c3 e5
16.dxc5 dxc5 17.cxb4 Qxb4 18.b3 Rac8 19.Rec1 Rfd8 20.Rc4 Qb7 21.Rac1 h6 
22.h4 Bf8 23.Ng3 Rc6 24.R4c2 Ne8 25.Qe2 Nc7 26.h5 Kh7 27.Bc4 Rf6 28.Rd1 
Ne6 29.Bxe6 Rxe6 30.Rcd2 Be7 31.Rd5 Rc6 32.Qd2 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Obando, Arnoldo"]
[Black "Lasar, Yves"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1980.08.17"]
[PlyCount "85"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.g3 b6 5.Bg2 Bb7 6.Nh3 c5 7.O-O Be7 8.Re1 Nc6 
9.Nf4 O-O 10.b3 Rc8 11.Bb2 Na5 12.e5 Nd7 13.c3 Nc6 14.d4 cxd4 15.cxd4 Nb4 
16.Rf1 Ba6 17.a3 Bxf1 18.Bxf1 Nc6 19.Bd3 Bg5 20.Qh5 h6 21.h4 Bxf4 22.gxf4 
f5 23.Kh2 Qe8 24.Qe2 Ne7 25.h5 Kh7 26.a4 Rg8 27.Bb5 Rc7 28.Ba3 Nc8 29.Rg1 
a5 30.Bd6 Nxd6 31.exd6 Rc3 32.Rg6 Qd8 33.Bxd7 Qxd7 34.Rxe6 Rgc8 35.Qe5 Qf7
36.Rg6 Rd3 37.Nf1 Rc2 38.Kg2 Rxb3 39.Ne3 Re2 40.Qxf5 Qxf5 41.Nxf5 Re8 42.
Rxg7+ Kh8 43.d7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Sequeira, Fernando"]
[Black "Rodas Maritni, Pablo"]
[Result "1/2-1/2"]
[ECO "B86"]
[EventDate "1980.08.17"]
[PlyCount "54"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 Be7 8.O-O 
O-O 9.Be3 Nc6 10.Kh1 Nxd4 11.Bxd4 b5 12.f3 Bb7 13.Qe1 Qc7 14.Rd1 Rfd8 15.
Qg3 Bc6 16.Ne2 Rac8 17.c3 e5 18.Be3 d5 19.Bh6 g6 20.exd5 Bxd5 21.Bxd5 Nxd5
22.f4 Qc4 23.Rfe1 Qxa2 24.fxe5 Qxb2 25.e6 f6 26.Rd3 b4 27.Qf3 Qa2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Short, Nigel David"]
[Black "Benjamin, Joel"]
[Result "1-0"]
[WhiteElo "2360"]
[BlackElo "2350"]
[ECO "B05"]
[EventDate "1980.08.17"]
[PlyCount "69"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 c6 6.Ng5 Bf5 7.a3 h6 8.Nf3 dxe5 
9.dxe5 e6 10.c4 Ne7 11.Nd4 Nd7 12.f4 Qb6 13.Nc3 Nc5 14.Be3 Rd8 15.b4 Nd3+ 
16.Bxd3 Rxd4 17.Qe2 Bxd3 18.Qd2 Nf5 19.Bxd4 Qxd4 20.O-O-O Be7 21.g3 Ne3 
22.Qxd3 Qxd3 23.Rxd3 Nxc4 24.Kc2 Nb6 25.Kb3 O-O 26.a4 Rc8 27.a5 Nd5 28.
Nxd5 exd5 29.Rc1 Rb8 30.b5 Bd8 31.Ka4 Be7 32.bxc6 bxc6 33.Rb3 Rxb3 34.Kxb3
c5 35.Rd1 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Shrentzel, Mordechai"]
[Black "Tavares, Shawn"]
[Result "1-0"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "59"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 Nc6 5.Nf3 cxd4 6.cxd4 e6 7.Nc3 Qd8 8.Bd3 
Nf6 9.O-O Be7 10.Bg5 O-O 11.a3 b6 12.Qe2 Bb7 13.Rfd1 Rc8 14.Bb1 Re8 15.Qd3
g6 16.Ba2 Nd5 17.Bh6 Nxc3 18.bxc3 Bf6 19.Nd2 Na5 20.Re1 Qc7 21.Re3 Qd6 22.
Rae1 Qxa3 23.Bb1 Bg7 24.Bxg7 Kxg7 25.Rh3 Nb3 26.Nc4 Qe7 27.Ne5 f5 28.Qe3 
h5 29.Rg3 Kh7 30.Rxg6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Stigar, Petter"]
[Black "Bischoff, Klaus"]
[Result "1/2-1/2"]
[ECO "D63"]
[EventDate "1980.08.17"]
[PlyCount "25"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 a6 8.c5 c6 
9.b4 b6 10.Be2 a5 11.a3 axb4 12.axb4 bxc5 13.bxc5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Tassi, Oliviero"]
[Black "Ye Rongguang"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1980.08.17"]
[PlyCount "132"]

1.c4 Nc6 2.Nc3 e5 3.g3 Nf6 4.Bg2 Bc5 5.d3 O-O 6.Nf3 d6 7.O-O h6 8.a3 a5 9.
Bd2 Be6 10.Qb3 Rb8 11.Rac1 Bg4 12.e3 Qd7 13.Nd5 Ne8 14.Qc2 Be6 15.Ne1 Ra8 
16.Qa4 Bxd5 17.Bxd5 Nf6 18.Bg2 Rfb8 19.Bc3 Nd8 20.Qd1 a4 21.d4 exd4 22.
exd4 Bb6 23.Nd3 Ba5 24.Nb4 c6 25.Re1 d5 26.cxd5 cxd5 27.Nd3 Qd6 28.Nc5 
Bxc3 29.bxc3 b6 30.Nxa4 Qd7 31.Nb2 Rxa3 32.Nd3 Rc8 33.Qd2 Qc7 34.Nf4 Rxc3 
35.Rxc3 Qxc3 36.Qxc3 Rxc3 37.Nxd5 Nxd5 38.Re8+ Kh7 39.Bxd5 Nc6 40.Be4+ g6 
41.d5 Na5 42.h4 Kg7 43.Kh2 Rc7 44.Rd8 Re7 45.Bf3 Rc7 46.d6 Rc2 47.Kg1 Rd2 
48.d7 f5 49.g4 Kf7 50.h5 gxh5 51.gxf5 Ke7 52.Rb8 Rxd7 53.Rxb6 Rd6 54.Rb4 
Rd3 55.Be4 Rc3 56.Rb6 Rc1+ 57.Kg2 Rc5 58.f6+ Kf7 59.Rd6 Rc8 60.Bd5+ Kg6 
61.Be4+ Kf7 62.Bf3 Kg6 63.Be4+ Kf7 64.f4 Nc4 65.Ra6 Rd8 66.Rc6 Nd6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Valiente, Cristobal"]
[Black "Atalik, Suat"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1980.08.17"]
[PlyCount "36"]

1.c4 Nf6 2.Nf3 c5 3.Nc3 b6 4.g3 Bb7 5.Bg2 e6 6.O-O Be7 7.b3 O-O 8.Bb2 d6 
9.d4 cxd4 10.Qxd4 a6 11.Rfd1 Qc7 12.Rac1 Nbd7 13.e4 Rfe8 14.h3 Bf8 15.Ne1 
Rad8 16.Nc2 Qb8 17.Kh2 Qa8 18.Re1 Nc5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Valkesalmi, Kimmo"]
[Black "Barua, Dibyendu"]
[Result "1-0"]
[ECO "C48"]
[EventDate "1980.08.17"]
[PlyCount "97"]

1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Bb5 Bc5 5.d3 h6 6.Be3 Qe7 7.O-O O-O 8.Nh4 
Nd4 9.Bc4 Kh7 10.Bxd4 exd4 11.Ne2 d6 12.Ng3 Be6 13.Bb3 Qd8 14.Nf3 d5 15.e5
Nd7 16.Qd2 f6 17.Rae1 c6 18.c3 Bb6 19.Nxd4 Bxd4 20.cxd4 f5 21.Ne2 f4 22.f3
Qg5 23.Kh1 Qh4 24.Kg1 Rf5 25.g3 fxg3 26.hxg3 Qh3 27.Rf2 Rh5 28.Rg2 g5 29.
Kf2 Rf8 30.Ng1 Qg4 31.Qe3 Rh1 32.Rc1 Qh5 33.Ke2 g4 34.f4 Rh2 35.Rxh2 Qxh2+
36.Qf2 Qh1 37.Kd2 Rf5 38.Ne2 Qh3 39.Nc3 Nf8 40.Nd1 Rh5 41.Ne3 Qh2 42.Rf1 
Bf5 43.Bd1 Kg6 44.Nxg4 Qxf2+ 45.Nxf2 Rh2 46.g4 Bc8 47.Ke3 Nd7 48.Kf3 h5 
49.Kg3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Weider, Dariusz"]
[Black "Borg, Geoffrey"]
[Result "1/2-1/2"]
[ECO "A06"]
[EventDate "1980.08.17"]
[PlyCount "42"]

1.Nf3 Nf6 2.b3 d5 3.Bb2 c5 4.e3 a6 5.Be2 Nc6 6.d4 Bf5 7.O-O e6 8.Nbd2 cxd4
9.Nxd4 Nxd4 10.Bxd4 Bd6 11.c4 O-O 12.cxd5 exd5 13.Nf3 Be4 14.Bd3 Qe7 15.
Qe2 Ng4 16.h3 Ne5 17.Nxe5 Bxe5 18.Bxe5 Qxe5 19.Rac1 Rac8 20.Rfd1 h6 21.Rc2
Qe6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "8"]
[White "Zuger, Beat"]
[Black "Hansen, Curt"]
[Result "1-0"]
[WhiteElo "2235"]
[ECO "A14"]
[EventDate "1980.08.17"]
[PlyCount "79"]

1.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7 8.e3 c5 9.
Nc3 dxc4 10.bxc4 Nc6 11.Qe2 Qc7 12.d3 a6 13.Rab1 Rab8 14.Ba1 Rfd8 15.Rfd1 
Na5 16.Bh3 Bc6 17.a4 Ba8 18.Ne1 Nc6 19.f4 Rd7 20.g4 Rdd8 21.g5 Nd7 22.Ne4 
Nb4 23.Qb2 Bf8 24.g6 hxg6 25.Ng5 Nf6 26.Qf2 Nh5 27.Bg4 Be7 28.Bxh5 gxh5 
29.Qg3 Bf8 30.Be5 Qc6 31.Ne4 Nxd3 32.Nf6+ Kh8 33.Nxd3 Rxd3 34.Rxd3 Qh1+ 
35.Kf2 Qxb1 36.Nxh5 f6 37.Nxf6 Qc2+ 38.Ke1 Qb1+ 39.Rd1 Qb4+ 40.Kf2 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Utut Adianto"]
[Black "Arnason, Jon"]
[Result "1-0"]
[BlackElo "2435"]
[ECO "B85"]
[EventDate "1980.08.17"]
[PlyCount "71"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Be7 7.O-O O-O 8.Be3 
a6 9.f4 Qc7 10.a4 Nc6 11.Qe1 Nxd4 12.Bxd4 e5 13.fxe5 dxe5 14.Qg3 Bc5 15.
Bxc5 Qxc5+ 16.Kh1 Ne8 17.Nd5 f6 18.c3 a5 19.b4 axb4 20.cxb4 Qd4 21.Rad1 
Qa7 22.Ne7+ Kh8 23.Bc4 g5 24.Rd8 b5 25.Nxc8 Qc7 26.Rxf6 Rg8 27.Rc6 Qxd8 
28.Qxe5+ Ng7 29.Nd6 Rf8 30.axb5 Qe7 31.Qd4 Rf6 32.h3 g4 33.Nc8 Nf5 34.Nxe7
Nxd4 35.Rxf6 g3 36.b6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Atalik, Suat"]
[Black "Hadi, Jardak"]
[Result "1-0"]
[ECO "A88"]
[EventDate "1980.08.17"]
[PlyCount "81"]

1.d4 f5 2.c4 Nf6 3.Nc3 g6 4.g3 Bg7 5.Bg2 c6 6.Nf3 O-O 7.O-O d6 8.d5 Bd7 9.
Nd4 Qb6 10.Nb3 Qb4 11.Qd3 Ng4 12.Bf4 h6 13.dxc6 bxc6 14.Nd5 cxd5 15.Bxd5+ 
Kh7 16.Bxa8 e5 17.Bd2 Qb6 18.Ba5 e4 19.Qd5 Qa6 20.Bb7 Bc6 21.Bxa6 Bxd5 22.
cxd5 Nxa6 23.Rac1 Ne5 24.Bc3 Nb8 25.Bd4 f4 26.gxf4 Rxf4 27.Bxe5 Bxe5 28.
Rc7+ Bg7 29.Rb7 Na6 30.Rxa7 Nb4 31.h3 g5 32.Nd4 Kg6 33.Rxg7+ Kxg7 34.Ne6+ 
Kf6 35.Nxf4 gxf4 36.a4 Nxd5 37.a5 Nb4 38.Ra1 Na6 39.b4 Nxb4 40.a6 Nc6 41.
a7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Balsinde Elias, Rolando"]
[Black "Belkhodja, Slim"]
[Result "1-0"]
[ECO "E18"]
[EventDate "1980.08.17"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 d5 7.Ne5 O-O 8.O-O Nbd7
9.Nd3 c5 10.cxd5 Nxd5 11.Nxd5 Bxd5 12.Bxd5 exd5 13.dxc5 bxc5 14.Nf4 Nf6 
15.b3 Qd7 16.Bb2 Rfd8 17.Rc1 Rac8 18.Qd2 d4 19.e3 g5 20.Ng2 Qh3 21.f3 dxe3
22.Qxe3 Nd5 23.Qe4 Rc6 24.Rcd1 Re6 25.Qc4 Red6 26.Rfe1 Qd7 27.Qxc5 Re6 28.
Qf2 Rxe1+ 29.Nxe1 Rc8 30.Qd2 Rd8 31.Nc2 f6 32.Kg2 Nf4+ 33.Qxf4 Qxd1 34.Qe4
Rd2+ 35.Kh3 Qxc2 36.Qe6+ Kf8 37.Bxf6 Rxh2+ 38.Kg4 h5+ 39.Kxg5 Qd2+ 40.f4 
Qa5+ 41.Kg6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Barua, Dibyendu"]
[Black "McNab, Colin Anderson"]
[Result "1-0"]
[ECO "A41"]
[EventDate "1980.08.17"]
[PlyCount "91"]

1.e4 g6 2.d4 d6 3.c4 e5 4.dxe5 dxe5 5.Qxd8+ Kxd8 6.Nf3 f6 7.Nc3 Be6 8.Be3 
c6 9.Nd2 Nd7 10.Nb3 Kc7 11.Rc1 b6 12.Be2 Bh6 13.O-O Rd8 14.Rfd1 Bxe3 15.
fxe3 Nh6 16.Nd5+ Kb7 17.Nb4 Nb8 18.h3 a5 19.Nd3 Na6 20.Rf1 Rhf8 21.Rf2 Ng8
22.Nd2 Rf7 23.a3 Rfd7 24.Rc3 g5 25.Nf1 Bf7 26.Ng3 Nc7 27.Nf5 Ne8 28.b4 a4 
29.c5 b5 30.Nd6+ Nxd6 31.cxd6 Kb6 32.Bg4 Rxd6 33.Nxe5 Be6 34.Rxc6+ Rxc6 
35.Nxc6 Re8 36.Bxe6 Rxe6 37.Nd4 Rxe4 38.Rf5 Re5 39.Kf2 Ne7 40.Rxf6+ Kc7 
41.e4 Rxe4 42.Nxb5+ Kd7 43.Nc3 Rd4 44.Nxa4 Rd2+ 45.Kg1 Nd5 46.Nb6+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Benjamin, Joel"]
[Black "Zuger, Beat"]
[Result "1/2-1/2"]
[WhiteElo "2350"]
[BlackElo "2235"]
[ECO "B23"]
[EventDate "1980.08.17"]
[PlyCount "58"]

1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bb5 Nd4 6.O-O Nxb5 7.Nxb5 Nh6 8.d3 
f5 9.a4 O-O 10.Qe1 b6 11.e5 Bb7 12.Bd2 Bc6 13.Qh4 a6 14.Nc3 Nf7 15.Kh1 e6 
16.Qf2 d6 17.exd6 Qxd6 18.Be3 e5 19.Nd2 Qd8 20.Nc4 exf4 21.Bxf4 b5 22.axb5
axb5 23.Rxa8 Qxa8 24.Nd6 Bd4 25.Qd2 Nxd6 26.Bxd6 Re8 27.Nd1 Re6 28.Bg3 Qe8
29.Re1 b4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Bischoff, Klaus"]
[Black "Damljanovic, Branko"]
[Result "1-0"]
[BlackElo "2335"]
[ECO "B53"]
[EventDate "1980.08.17"]
[PlyCount "115"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.Be3 Nf6 6.Nc3 Nc6 7.Qd2 e6 8.O-O-O 
Qc7 9.Bf4 Ng4 10.Bg3 Bd7 11.h3 Nge5 12.Nxe5 Nxe5 13.f4 Nc6 14.Bc4 O-O-O 
15.Bb3 Be7 16.f5 Ne5 17.Kb1 Kb8 18.Rhf1 Bc8 19.Bf2 b5 20.Bd4 Bf6 21.Qf2 
Qc6 22.Nd5 exd5 23.Ba7+ Ka8 24.Bxd5 Bb7 25.Bxc6 Bxc6 26.Rfe1 Rd7 27.Bd4 h5
28.Bc3 Bb7 29.g3 Rc8 30.Bd4 Rc4 31.b3 Rc8 32.Bb2 Re8 33.Qf4 Bc6 34.g4 Bh4 
35.Re2 hxg4 36.hxg4 f6 37.Ba3 Bg5 38.Qg3 Nf7 39.Bc1 Kb7 40.Rde1 Bxc1 41.
Kxc1 Rde7 42.Kb2 Re5 43.Qf4 Ng5 44.Rh2 Nxe4 45.Rh7 R8e7 46.Rh8 Rc7 47.Rd8 
Ng5 48.Re3 Nf7 49.Rf8 Ng5 50.Rc3 d5 51.Qd4 Re4 52.Rb8+ Kxb8 53.Qb6+ Rb7 
54.Qxc6 Ree7 55.Qxa6 Ne4 56.Rc6 Red7 57.Rb6 b4 58.Qb5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Borg, Geoffrey"]
[Black "Guerra Osio, Jose Luis"]
[Result "1/2-1/2"]
[ECO "B50"]
[EventDate "1980.08.17"]
[PlyCount "87"]

1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.Bd3 Nc6 5.Bc2 Bg4 6.d3 e6 7.Bg5 Be7 8.Nbd2 Bh5
9.O-O O-O 10.Qb1 Rc8 11.a3 a5 12.Re1 h6 13.Be3 Bg6 14.h3 b5 15.d4 cxd4 16.
Nxd4 Nxd4 17.Bxd4 b4 18.axb4 axb4 19.cxb4 d5 20.Bxf6 Bxf6 21.Bd3 Qb6 22.
exd5 Bxd3 23.Qxd3 Rfd8 24.Ne4 Bxb2 25.Rab1 Rxd5 26.Qe2 Bd4 27.Red1 f5 28.
Nc5 Re5 29.Qh5 f4 30.Qg6 Rd8 31.Nd7 Rxd7 32.Qe8+ Kh7 33.Qxd7 Bxf2+ 34.Kh1 
Re3 35.Qd2 e5 36.Rf1 Bg3 37.b5 e4 38.Qc2 Qe6 39.Qd2 Rd3 40.Qe2 f3 41.Rxf3 
Rxf3 42.gxf3 Qxh3+ 43.Kg1 e3 44.Rf1 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Corral Blanco, Juan Antonio"]
[Black "Lirindzakis, Stayros"]
[Result "1/2-1/2"]
[ECO "D25"]
[EventDate "1980.08.17"]
[PlyCount "63"]

1.d4 d5 2.Nf3 Nf6 3.c4 dxc4 4.e3 Bg4 5.Bxc4 e6 6.h3 Bh5 7.Nc3 Nbd7 8.O-O 
Bd6 9.e4 e5 10.Be2 O-O 11.dxe5 Nxe5 12.Nd4 Bc5 13.Nb3 Qxd1 14.Bxd1 Bb6 15.
Bxh5 Nxh5 16.a4 c6 17.a5 Bc7 18.Ne2 Nd3 19.Rd1 Rfd8 20.Ned4 Nxc1 21.Raxc1 
Nf4 22.Kf1 Be5 23.a6 bxa6 24.Nxc6 Rxd1+ 25.Rxd1 Bxb2 26.Nxa7 f5 27.Nc6 
fxe4 28.Re1 Re8 29.Nc5 a5 30.Nxe4 Ra8 31.Rb1 Ra6 32.Ne7+ 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Danailov, Silvio"]
[Black "Cuijpers, Franciscus"]
[Result "1-0"]
[WhiteElo "2295"]
[ECO "B07"]
[EventDate "1980.08.17"]
[PlyCount "137"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.g3 Bg7 5.Bg2 O-O 6.Nge2 e5 7.h3 Nc6 8.Be3 Bd7 
9.O-O exd4 10.Nxd4 Re8 11.Re1 Nxd4 12.Bxd4 Bc6 13.Qd2 Nd7 14.f4 Bxd4+ 15.
Qxd4 Qf6 16.Qd2 Nc5 17.Re2 a5 18.Rf1 Rad8 19.Kh2 Rd7 20.Rfe1 Rde7 21.b3 
Re6 22.a3 Qd8 23.Re3 b6 24.b4 axb4 25.axb4 Nd7 26.Bf1 Nf6 27.Qd4 Qa8 28.
Bc4 d5 29.Bb3 dxe4 30.Bxe6 Rxe6 31.b5 Bb7 32.Rd1 Rd6 33.Qc4 Rxd1 34.Nxd1 
Qa1 35.Nc3 Qc1 36.Qd4 Kg7 37.g4 Qxc2+ 38.Ne2 Qc5 39.Qxc5 bxc5 40.Rc3 Nd7 
41.Nc1 Bd5 42.g5 f5 43.Ra3 Bc4 44.Ra7 Bxb5 45.Rxc7 Kf7 46.Na2 Ke7 47.Nc3 
Bd3 48.Kg3 Bc2 49.Kf2 Bb3 50.Ke3 Bc2 51.Rc6 Bb3 52.h4 Bf7 53.Na4 Bd5 54.
Rc8 c4 55.Kd4 Bf7 56.Rc6 Kd8 57.Nb2 Nb8 58.Rf6 Ke7 59.Nxc4 Be6 60.Ne5 Na6 
61.h5 gxh5 62.Rh6 Nc7 63.Rxh7+ Kd6 64.Rxh5 Nb5+ 65.Ke3 Nc3 66.Kf2 Kc5 67.
Rh6 Bd5 68.g6 Kd4 69.g7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Fasheyitan, Olufemi"]
[Black "Valiente, Cristobal"]
[Result "1-0"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "99"]

1.Nf3 g6 2.d4 Bg7 3.e4 d6 4.Bc4 Nf6 5.Qd3 O-O 6.Bf4 Nc6 7.c3 Nh5 8.Be3 e5 
9.dxe5 Nxe5 10.Nxe5 dxe5 11.Qxd8 Rxd8 12.g3 Re8 13.Ke2 Be6 14.Bxe6 Rxe6 
15.Rd1 Nf6 16.f3 Kf8 17.Na3 a6 18.Rd3 Ke8 19.Rad1 Re7 20.Bg5 h6 21.Bxf6 
Bxf6 22.Nc4 Re6 23.Ne3 Bd8 24.Nd5 c6 25.Ne3 Bc7 26.h4 Rd8 27.Rxd8+ Bxd8 
28.h5 Be7 29.Rh1 Bg5 30.hxg6 fxg6 31.Ng4 h5 32.Nf2 b6 33.Nd3 Ke7 34.f4 
exf4 35.gxf4 Bh6 36.Kf3 c5 37.e5 a5 38.Ke4 c4 39.Ne1 Rc6 40.Nf3 b5 41.f5 
gxf5+ 42.Kxf5 b4 43.Rxh5 Bc1 44.Nd4 Rb6 45.Rh7+ Ke8 46.Rh2 Rh6 47.Rxh6 
Bxh6 48.Nb5 Bf8 49.Nd6+ Bxd6 50.exd6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Fowler, Jim"]
[Black "Obando, Arnoldo"]
[Result "1-0"]
[ECO "A21"]
[EventDate "1980.08.17"]
[PlyCount "51"]

1.c4 e5 2.Nc3 f5 3.e3 Nf6 4.Nge2 Be7 5.b3 O-O 6.Bb2 d6 7.d4 c6 8.Qc2 Qe8 
9.O-O-O b5 10.Ng3 b4 11.Na4 e4 12.f3 Bd8 13.fxe4 fxe4 14.h3 Nbd7 15.Nf5 
Bc7 16.g4 Nb6 17.d5 Nxa4 18.bxa4 cxd5 19.Nxg7 Qg6 20.Nf5 Bxf5 21.gxf5 Qg3 
22.cxd5 Bb6 23.Ba6 Bxe3+ 24.Kb1 Qg7 25.Qh2 Bc5 26.Rhg1 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Gerbert, Philipp"]
[Black "Shrentzel, Mordechai"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1980.08.17"]
[PlyCount "93"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Bc5 5.h3 b6 6.c3 Bb7 7.Qc2 Be7 8.Be2 c5 
9.O-O Qc7 10.Re1 Nc6 11.a3 a5 12.a4 O-O 13.Nb1 Nd7 14.Na3 Na7 15.Bf1 Bf6 
16.Qe2 Rae8 17.Bg5 Bxg5 18.Nxg5 h6 19.Nf3 Bc6 20.Qc2 Qf4 21.Re3 f5 22.e5 
h5 23.d4 Qh6 24.h4 Kh8 25.b3 Re7 26.Ng5 Rc8 27.Qd2 Nf8 28.f4 Ng6 29.Qf2 
cxd4 30.cxd4 Be8 31.Ree1 Nf8 32.Rac1 Rxc1 33.Rxc1 Nh7 34.Nb5 Bxb5 35.Bxb5 
Nxg5 36.hxg5 Qg6 37.Qh4 Rb7 38.Be2 Qh7 39.Qxh5 g6 40.Qh3 Kg8 41.Qxh7+ Kxh7
42.g4 Kg8 43.gxf5 gxf5 44.Kf2 Rh7 45.Kg3 Rb7 46.Kh4 Rg7 47.Kh5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Grant, Conrad"]
[Black "Allen, Keith"]
[Result "0-1"]
[ECO "B12"]
[EventDate "1980.08.17"]
[PlyCount "56"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.Nc3 e6 5.a3 c5 6.Be3 Nc6 7.Nf3 Bg4 8.Bb5 cxd4 
9.Qxd4 Bxf3 10.Bxc6+ bxc6 11.gxf3 c5 12.Qa4+ Qd7 13.Qxd7+ Kxd7 14.O-O-O 
Kc6 15.Bf4 Ne7 16.Ne2 Ng6 17.Bg3 h5 18.h4 Ne7 19.Rd3 Nf5 20.Bf4 Be7 21.Bg3
Rab8 22.f4 Rb7 23.Nc3 c4 24.Rdd1 Rhb8 25.Na4 d4 26.Kd2 Kb5 27.b3 Ka5 28.
Nb2 c3+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Hjorth, Gregory"]
[Black "Karolyi, Tibor"]
[Result "1/2-1/2"]
[BlackElo "2300"]
[ECO "B20"]
[EventDate "1980.08.17"]
[PlyCount "106"]

1.e4 c5 2.b3 d6 3.Bb2 Nf6 4.d3 e6 5.g3 b6 6.Bg2 Bb7 7.Ne2 Be7 8.O-O Qc7 9.
c4 Nbd7 10.Nbc3 a6 11.h3 Bc6 12.f4 b5 13.f5 e5 14.g4 g5 15.fxg6 hxg6 16.
Nd5 Bxd5 17.exd5 Nh7 18.Rf2 Ng5 19.Qf1 bxc4 20.dxc4 O-O-O 21.Ng3 Rdg8 22.
Rxf7 Nxf7 23.Qxf7 Qd8 24.Ne4 Qe8 25.Qe6 Kc7 26.Rf1 Rf8 27.g5 Rxf1+ 28.Bxf1
Rf8 29.b4 Qf7 30.Qxf7 Rxf7 31.bxc5 dxc5 32.Bc3 Rf4 33.Bg2 Rf8 34.d6+ Bxd6 
35.Ba5+ Nb6 36.Nf6 Be7 37.Nd5+ Kd6 38.Bxb6 Bxg5 39.Bc7+ Ke6 40.Be4 Rh8 41.
Bf3 Kf5 42.Kg2 Rh4 43.Bg4+ Ke4 44.Bd6 Kd4 45.Nc7 Kxc4 46.Nxa6 Be3 47.Bxe5 
Kd3 48.a4 Rh7 49.Bd6 c4 50.Nb4+ Kd2 51.Nd5 c3 52.Bb4 Bd4 53.a5 Kd3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Kaspret, Guido"]
[Black "Stigar, Petter"]
[Result "0-1"]
[ECO "B07"]
[EventDate "1980.08.17"]
[PlyCount "80"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.h4 Nf6 5.Be2 Nc6 6.d5 Ne5 7.f4 Neg4 8.h5 c6 9.
Rh4 Qb6 10.Nh3 gxh5 11.e5 dxe5 12.fxe5 Nxe5 13.dxc6 Bxh3 14.cxb7 Rd8 15.
Rd4 O-O 16.Be3 Bxg2 17.Rxd8 Qxd8 18.Qxd8 Rxd8 19.Ba6 Nfg4 20.Rd1 Rxd1+ 21.
Nxd1 Bxb7 22.Bxb7 Nxe3 23.Nxe3 e6 24.Ke2 Kf8 25.c4 Ng4 26.b4 Nxe3 27.Kxe3 
Ke7 28.c5 Bc3 29.b5 Ba5 30.Kd4 f5 31.a4 h4 32.Bg2 h6 33.Kc4 Kd8 34.b6 axb6
35.Kb5 Kc7 36.Bh3 h5 37.Ka6 Kc6 38.cxb6 Bxb6 39.Bg2+ Kc5 40.Bh3 Bd8 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Lasar, Yves"]
[Black "Cauchy, Daniel"]
[Result "1/2-1/2"]
[ECO "E13"]
[EventDate "1980.08.17"]
[PlyCount "24"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb4 5.Bg5 h6 6.Bh4 Bb7 7.e3 O-O 8.Bd3 Be7 
9.O-O d5 10.cxd5 Nxd5 11.Bxe7 Qxe7 12.Nxd5 exd5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Long, Peter"]
[Black "Bates, Giles"]
[Result "1/2-1/2"]
[ECO "B43"]
[EventDate "1980.08.17"]
[PlyCount "58"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Be2 Ne7 7.O-O Nec6 8.Nb3 
d6 9.a4 b6 10.f4 Be7 11.Be3 Nd7 12.Qe1 Nc5 13.Rc1 Bd7 14.Qf2 Nb4 15.Bd4 
Nxa4 16.Nxa4 Bxa4 17.Bxb6 Qb8 18.Na5 O-O 19.b3 Bd7 20.Bf3 Bd8 21.Bxd8 Qxd8
22.Ra1 Qc7 23.e5 Rac8 24.Bb7 Rb8 25.exd6 Qxd6 26.Rfd1 Qc7 27.c3 Nc6 28.
Rxd7 Qxd7 29.Bxc6 Qc7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Morovic Fernandez, Ivan"]
[Black "Valkesalmi, Kimmo"]
[Result "1-0"]
[WhiteElo "2380"]
[ECO "A47"]
[EventDate "1980.08.17"]
[PlyCount "71"]

1.d4 Nf6 2.Nf3 b6 3.Nc3 Bb7 4.Bg5 d5 5.e3 e6 6.Ne5 Be7 7.Bb5+ c6 8.Bd3 
Nbd7 9.f4 a6 10.Qf3 c5 11.O-O b5 12.f5 c4 13.fxe6 fxe6 14.Be2 Qb6 15.Qh3 
Nxe5 16.dxe5 Ng8 17.Bh5+ Kd8 18.Rf8+ Kd7 19.Rf7 h6 20.Bxe7 Nxe7 21.Raf1 
Rag8 22.Bd1 Ke8 23.Bg4 Bc8 24.Qf3 Qb8 25.Rxe7+ Kxe7 26.Qf7+ Kd8 27.Nxd5 
Qb7 28.Nc7 Qxc7 29.Rd1+ Qd7 30.Rxd7+ Bxd7 31.Bxe6 Bxe6 32.Qxe6 Kc7 33.Qxa6
Rb8 34.Qd6+ Kc8 35.e6 Rb7 36.e7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Pajak, Jan"]
[Black "Hansen, Curt"]
[Result "0-1"]
[ECO "B23"]
[EventDate "1980.08.17"]
[PlyCount "86"]

1.e4 c5 2.Nc3 Nc6 3.f4 e6 4.Nf3 d6 5.Bc4 g6 6.O-O Bg7 7.d3 Nge7 8.Qe1 O-O 
9.f5 d5 10.Bb3 c4 11.dxc4 dxe4 12.f6 Bxf6 13.Nxe4 Bg7 14.Bd2 Nf5 15.Rd1 
Qe7 16.g4 Nfd4 17.g5 e5 18.Nxd4 exd4 19.c5 Bg4 20.Nd6 Bxd1 21.Qxd1 Nd8 22.
Qf3 Rb8 23.Bf4 Ne6 24.Ne4 Nxf4 25.Qxf4 Be5 26.Qf3 Kg7 27.Nf6 Kh8 28.Re1 d3
29.cxd3 Bxh2+ 30.Kf1 Qxc5 31.Re4 Qg1+ 32.Ke2 Bg3 33.Kd2 Rbc8 34.Bc4 b5 35.
Ng4 f5 36.gxf6 bxc4 37.Re7 Bd6 38.Qb7 Bf4+ 39.Ne3 Bxe3+ 40.Rxe3 Qf2+ 41.
Re2 Qxf6 42.Re7 c3+ 43.bxc3 Qxc3+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Rodas Maritni, Pablo"]
[Black "Lima, Darcy"]
[Result "0-1"]
[ECO "B03"]
[EventDate "1980.08.17"]
[PlyCount "80"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 c5 7.d5 e6 8.Nc3 exd5 
9.cxd5 c4 10.Nf3 Bg4 11.Be2 Bc5 12.Bf4 O-O 13.Qd2 N8d7 14.O-O-O Re8 15.
Rhe1 Bb4 16.Qd4 Bxf3 17.Bxf3 Nc5 18.Be4 Bxc3 19.bxc3 Rc8 20.Bf5 Nd3+ 21.
Rxd3 cxd3 22.Bxc8 Qxc8 23.Qxd3 Qc5 24.d6 Qa3+ 25.Kb1 Na4 26.Bc1 Qc5 27.d7 
Rd8 28.Bb2 Qb6 29.Re2 Nc5 30.Qd6 Rxd7 31.Qxb6 axb6 32.Kc2 Kf8 33.Ba3 Ke7 
34.Bb4 Ke6 35.c4 Rd4 36.Bxc5 Rxc4+ 37.Kd3 Rxc5 38.Rb2 b5 39.a4 bxa4 40.
Rxb7 Ra5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Short, Nigel David"]
[Black "Kasparov, Garry"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2595"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "81"]

1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 exd5 5.d4 Bd6 6.Be3 c4 7.b3 cxb3 8.axb3 
Ne7 9.c4 Nbc6 10.c5 Bc7 11.Nc3 O-O 12.Bd3 Bf5 13.O-O Qd7 14.Ra4 a5 15.Ne1 
b6 16.Nb5 Nb4 17.Nxc7 Qxc7 18.Bxf5 Nxf5 19.Nd3 b5 20.Ra1 Nc6 21.Qg4 Qd7 
22.Rfe1 f6 23.Nf4 Rf7 24.Qe2 b4 25.Qd3 Re8 26.Ne2 Rfe7 27.Bd2 h5 28.f3 h4 
29.Kf2 g5 30.Rad1 Kg7 31.Bc1 Nh6 32.Ng1 Qf5 33.Rxe7+ Rxe7 34.Qxf5 Nxf5 35.
Ne2 a4 36.bxa4 Ra7 37.g4 hxg3+ 38.hxg3 Rxa4 39.g4 Nh4 40.f4 Ra2 41.fxg5 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Tavares, Shawn"]
[Black "Tassi, Oliviero"]
[Result "1/2-1/2"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "26"]

1.e4 c5 2.c3 d6 3.d4 Nf6 4.Bd3 Nc6 5.Ne2 Bd7 6.Nd2 cxd4 7.cxd4 e5 8.d5 Nb4
9.Bb1 a5 10.Nc3 Be7 11.O-O O-O 12.Nc4 b5 13.Ne3 Qc7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Tempone, Marcelo"]
[Black "Akesson, Ralf"]
[Result "0-1"]
[WhiteElo "2235"]
[BlackElo "2230"]
[ECO "A81"]
[EventDate "1980.08.17"]
[PlyCount "90"]

1.Nf3 f5 2.d4 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.c3 Qe8 7.Nbd2 d6 8.Re1 e5 
9.dxe5 dxe5 10.e4 f4 11.gxf4 Nh5 12.Nc4 exf4 13.Qd3 Nc6 14.Nd4 Nxd4 15.
cxd4 f3 16.Bf1 Qd7 17.e5 Qg4+ 18.Kh1 Nf4 19.Bxf4 Rxf4 20.e6 Bxe6 21.h3 Qf5
22.Qxf5 Bxf5 23.d5 Bxh3 24.Bxh3 Rxc4 25.Rac1 Rh4 26.Kh2 Bh6 27.Kg3 Bxc1 
28.Kxh4 Bxb2 29.Kg3 Rf8 30.Bg4 Ba3 31.Bxf3 Bd6+ 32.Kg2 Rf4 33.Rb1 b6 34.
Re1 Kf7 35.Be4 Bc5 36.f3 Rh4 37.Re2 Bd6 38.Kf2 Rh2+ 39.Ke3 Bf4+ 40.Kd3 
Rxe2 41.Kxe2 Kf6 42.a4 Ke5 43.Kd3 h5 44.Ke2 h4 45.Bxg6 h3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Toro Sanchez, Bernardo"]
[Black "Negulescu, Adrian"]
[Result "1/2-1/2"]
[WhiteElo "2265"]
[BlackElo "2410"]
[ECO "A64"]
[EventDate "1980.08.17"]
[PlyCount "30"]

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.g3 Bg7 6.Bg2 O-O 7.Nf3 e6 8.O-O exd5 
9.cxd5 Re8 10.Nd2 a6 11.a4 Nbd7 12.Nc4 Ne5 13.Na3 b5 14.axb5 axb5 15.Ncxb5
Ba6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Tovillas, Daniel"]
[Black "Santo-Roman, Marc"]
[Result "1-0"]
[BlackElo "2205"]
[ECO "A01"]
[EventDate "1980.08.17"]
[PlyCount "76"]

1.b3 e5 2.Bb2 Nc6 3.c4 Nf6 4.e3 g6 5.Nf3 d6 6.Be2 Bg7 7.Nc3 O-O 8.d4 e4 9.
Nd2 Re8 10.a3 a5 11.Qc2 Bf5 12.Nb5 d5 13.h3 Ne7 14.O-O-O c6 15.Nc3 Be6 16.
c5 Nd7 17.g4 Qc7 18.h4 f5 19.gxf5 gxf5 20.f4 b6 21.Rhg1 Kh8 22.cxb6 Nxb6 
23.h5 h6 24.a4 Bf7 25.Ba3 Qd7 26.Bc5 Nbc8 27.Rg2 Bf6 28.Rdg1 Nd6 29.Qd1 
Rg8 30.Rxg8+ Rxg8 31.Rxg8+ Kxg8 32.b4 Nb7 33.Nb3 Nxc5 34.Nxc5 Qa7 35.b5 
cxb5 36.axb5 Nc8 37.Qc2 Nb6 38.N3a4 Bd8 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Weider, Dariusz"]
[Black "Sequeira, Fernando"]
[Result "1/2-1/2"]
[ECO "A37"]
[EventDate "1980.08.17"]
[PlyCount "22"]

1.c4 c5 2.Nf3 Nc6 3.g3 g6 4.Bg2 Bg7 5.O-O e6 6.Nc3 Nge7 7.e3 d5 8.cxd5 
exd5 9.d4 cxd4 10.Nxd4 Nxd4 11.exd4 O-O 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Ye Rongguang"]
[Black "Canda, Danilo"]
[Result "1/2-1/2"]
[ECO "A28"]
[EventDate "1980.08.17"]
[PlyCount "121"]

1.c4 e5 2.Nc3 Nc6 3.e3 Nf6 4.Nf3 Bb4 5.Qc2 Bxc3 6.Qxc3 Qe7 7.a3 O-O 8.b4 
d6 9.Bb2 e4 10.Nd4 Nxd4 11.Qxd4 c5 12.Qc3 Be6 13.d4 exd3 14.bxc5 d2+ 15.
Qxd2 dxc5 16.Qc2 Rfd8 17.Be2 Rd7 18.O-O Rad8 19.Bc3 Ne8 20.Rfc1 Nd6 21.Ba5
b6 22.Be1 Bf5 23.Qb2 Nc8 24.h3 Bd3 25.Bg4 f5 26.Bf3 Be4 27.Be2 Qg5 28.Bf1 
Bd3 29.Qe5 Bxf1 30.Kxf1 Re7 31.Qh2 Qh5 32.Qg3 Red7 33.Kg1 Qf7 34.a4 a5 35.
Rab1 Qe6 36.Qf3 Qe4 37.Qxe4 fxe4 38.Kf1 Kf7 39.Ke2 Rd3 40.Bc3 g6 41.Rc2 
Ke6 42.Rcc1 R8d6 43.f3 exf3+ 44.gxf3 Ne7 45.Rxb6 Rxe3+ 46.Kxe3 Rxb6 47.Kd3
Rd6+ 48.Ke2 Nc6 49.Rb1 Nb4 50.Rd1 Rxd1 51.Kxd1 Nc6 52.Ke2 Ne5 53.Bxa5 Nxc4
54.Bc7 Kd5 55.Bd8 Kc6 56.h4 Nb2 57.a5 Kb5 58.Ke3 Nc4+ 59.Kf4 Nd6 60.Be7 
Nf7 61.a6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Yoshida, Tetsuo"]
[Black "James, Stephen"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "82"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bc4 a6 5.Bb3 b5 6.a4 c6 7.O-O Nf6 8.Qe2 O-O 9.
c3 Qc7 10.axb5 cxb5 11.Bg5 e5 12.d5 h6 13.Bd2 Nbd7 14.Na3 Nc5 15.Bc2 Rb8 
16.Ne1 Nfd7 17.f4 exf4 18.Bxf4 Ne5 19.Nd3 Bg4 20.Qe3 Ncxd3 21.Bxd3 Kh7 22.
Nc2 a5 23.Nd4 Bd7 24.Nf3 Ng4 25.Qe1 b4 26.Qg3 bxc3 27.Bxd6 Qb6+ 28.Kh1 
cxb2 29.Rab1 a4 30.Bxf8 Rxf8 31.Rbe1 a3 32.Bb1 Bc3 33.Re2 Qa6 34.Ng1 Be5 
35.Qb3 Bb5 36.d6 Bc4 37.Bd3 Bxb3 38.Bxa6 a2 39.d7 b1=Q 40.Rxb1 axb1=Q 41.
Rd2 Bxh2 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "9"]
[White "Zabihi, Ali"]
[Black "Morales Moreno, Humberto"]
[Result "0-1"]
[ECO "A04"]
[EventDate "1980.08.17"]
[PlyCount "91"]

1.Nf3 g6 2.g3 Bg7 3.Bg2 c5 4.d3 Nc6 5.e4 d6 6.O-O e6 7.Nc3 Nge7 8.Ne1 O-O 
9.f4 Rb8 10.a4 a6 11.g4 f5 12.gxf5 exf5 13.Nf3 b5 14.axb5 axb5 15.Nd5 Nd4 
16.Ng5 Nxd5 17.exd5 Re8 18.Kh1 b4 19.Rb1 Bd7 20.Bd2 Ba4 21.b3 Bd7 22.Nf3 
Nb5 23.Re1 Na3 24.Rc1 Bb2 25.c4 Qf6 26.d4 cxd4 27.c5 Bxc1 28.Qxc1 Rxe1+ 
29.Bxe1 dxc5 30.Qxc5 Rc8 31.Qa7 Qd6 32.Qxd4 Nc2 33.Qd2 Nxe1 34.Nxe1 Rc3 
35.h3 Qc5 36.d6 Qe3 37.Qxe3 Rxe3 38.Nc2 Rd3 39.Nxb4 Rxd6 40.Kh2 Be6 41.Nc6
Bxb3 42.Kg3 Rd3+ 43.Kh4 Kg7 44.Ne5 Rd4 45.Kg3 Bd5 46.Bf1 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Akesson, Ralf"]
[Black "Short, Nigel David"]
[Result "0-1"]
[WhiteElo "2230"]
[BlackElo "2360"]
[ECO "A40"]
[EventDate "1980.08.17"]
[PlyCount "48"]

1.c4 b6 2.d4 e6 3.e4 Bb7 4.Bd3 f5 5.exf5 Bxg2 6.Qh5+ g6 7.fxg6 Bg7 8.gxh7+
Kf8 9.Bg5 Nf6 10.Qh4 Nc6 11.Ne2 Bxh1 12.Nd2 e5 13.Ng3 e4 14.Bxe4 Bxe4 15.
Ngxe4 Rxh7 16.Qf4 Nxd4 17.Bxf6 Bxf6 18.Nxf6 Qe7+ 19.Nde4 Rh4 20.Ng4+ Qf7 
21.Qg3 Re8 22.Kf1 Qxc4+ 23.Kg2 Nf5 24.Qa3+ d6 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Allen, Keith"]
[Black "Balsinde Elias, Rolando"]
[Result "0-1"]
[ECO "E44"]
[EventDate "1980.08.17"]
[PlyCount "76"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Bb7 6.a3 Bxc3+ 7.Nxc3 O-O 8.Bd3 
d5 9.O-O Nbd7 10.cxd5 exd5 11.b4 Re8 12.b5 Ne4 13.Ne2 a6 14.bxa6 Bxa6 15.
Bxa6 Rxa6 16.Qd3 Qa8 17.f3 Nd6 18.Nc3 Nf6 19.Ra2 Ra5 20.Rc2 b5 21.e4 dxe4 
22.fxe4 Nfxe4 23.Nxe4 Qxe4 24.Qxe4 Rxe4 25.Rxc7 f6 26.Rd1 Ra4 27.Bb2 Nc4 
28.Bc1 Nd6 29.Bb2 Re2 30.Bc1 Ne4 31.h3 b4 32.axb4 Raa2 33.Bf4 Rxg2+ 34.Kh1
Rgf2 35.Rc8+ Kf7 36.Bb8 Rf3 37.Rdc1 Rxh3+ 38.Kg1 Ng5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Bates, Giles"]
[Black "Borg, Geoffrey"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1980.08.17"]
[PlyCount "27"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O e6 5.c4 Be7 6.d4 O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 d6 10.Rd1 Nd7 11.Qc2 Nf6 12.Ne1 Bxg2 13.Nxg2 d5 14.Bg5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Belkhodja, Slim"]
[Black "Yoshida, Tetsuo"]
[Result "0-1"]
[ECO "C05"]
[EventDate "1980.08.17"]
[PlyCount "98"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4 c5 6.c3 Nc6 7.Ndf3 Qa5 8.Kf2 b5 
9.Be3 b4 10.Ne2 Ba6 11.cxb4 Qxb4 12.Qc2 Rc8 13.a3 Qb6 14.Rc1 cxd4 15.Nexd4
Nc5 16.Bxa6 Qxa6 17.Nxc6 Rxc6 18.Kg1 Kd7 19.Nd4 Rc8 20.g3 Be7 21.Kg2 h5 
22.Rhd1 Ne4 23.Qb3 Rb8 24.Qa2 Rhc8 25.f5 Rxc1 26.Rxc1 Qd3 27.Re1 Bc5 28.
Qb1 Qxb1 29.Rxb1 Nc3 30.Rc1 Rxb2+ 31.Kh3 Ne4 32.fxe6+ fxe6 33.Rf1 g5 34.g4
hxg4+ 35.Kxg4 Rxh2 36.Rf7+ Ke8 37.Rc7 Rh4+ 38.Kf3 g4+ 39.Kg2 Rh3 40.Bf2 
Bb6 41.Rg7 Nxf2 42.Nxe6 Rh5 43.Nc7+ Bxc7 44.Rxc7 Ne4 45.Rxa7 Rxe5 46.a4 d4
47.Rb7 d3 48.Rb4 Nc3 49.Rb2 Re2+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Bischoff, Klaus"]
[Black "Gerbert, Philipp"]
[Result "1/2-1/2"]
[ECO "B23"]
[EventDate "1980.08.17"]
[PlyCount "21"]

1.e4 c5 2.Nc3 e6 3.g3 d5 4.exd5 exd5 5.Bg2 Nf6 6.Nge2 d4 7.Ne4 Nxe4 8.Bxe4
Bd6 9.O-O O-O 10.d3 Nd7 11.Bg2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Canda, Danilo"]
[Black "Pajak, Jan"]
[Result "1-0"]
[ECO "B97"]
[EventDate "1980.08.17"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Nb3 
Nbd7 9.Qf3 Be7 10.Bd3 Qc7 11.O-O-O b5 12.Rhe1 Bb7 13.Qg3 b4 14.Nb1 h6 15.
Bh4 g5 16.fxg5 Rg8 17.Qe3 Ng4 18.Qd2 hxg5 19.Bg3 Qb6 20.Bf1 e5 21.Qe2 Ngf6
22.N1d2 Qc7 23.Qc4 Qxc4 24.Nxc4 Bxe4 25.Nxd6+ Bxd6 26.Rxd6 Ke7 27.Rxd7+ 
Nxd7 28.Rxe4 f5 29.Rxb4 f4 30.Be1 Ra7 31.Rc4 Nf6 32.Rc6 Rh8 33.Bc4 Ng4 34.
Bb4+ Kd7 35.Rg6 Ne3 36.Rg7+ Kc6 37.Na5+ Kb6 38.Rg6+ Kc7 39.Rc6+ Kb8 40.
Bd6+ Ka8 41.Bd3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Cauchy, Daniel"]
[Black "Valiente, Cristobal"]
[Result "0-1"]
[ECO "B10"]
[EventDate "1980.08.17"]
[PlyCount "52"]

1.e4 c6 2.d3 d5 3.Nd2 g6 4.g3 Bg7 5.Bg2 e5 6.Ngf3 Ne7 7.O-O O-O 8.Re1 Nd7 
9.b3 d4 10.Nc4 Qc7 11.Bd2 c5 12.Nh4 b5 13.Nb2 Bb7 14.a4 a6 15.Qc1 f5 16.f4
fxe4 17.dxe4 c4 18.bxc4 bxc4 19.c3 exf4 20.Bxf4 Qc5 21.Nd1 dxc3+ 22.Be3 
Qa5 23.Ra3 c2 24.Bd2 cxd1=Q 25.Bxa5 Qxc1 26.Rxc1 Bb2 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Cuijpers, Franciscus"]
[Black "Arnason, Jon"]
[Result "0-1"]
[BlackElo "2435"]
[ECO "C73"]
[EventDate "1980.08.17"]
[PlyCount "94"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 exd4 7.Nxd4 Bd7 8.
Nc3 g6 9.O-O Bg7 10.Be3 c5 11.Nf3 Ne7 12.Qd2 O-O 13.Bh6 Bc6 14.Rad1 Qb8 
15.b3 Qb4 16.Bxg7 Kxg7 17.Rfe1 Rae8 18.Nb1 Qb7 19.Qc3+ f6 20.Nbd2 Ng8 21.
Qd3 Re7 22.Re3 Rfe8 23.Rde1 Nh6 24.h3 Nf7 25.Kh2 Nd8 26.Ng1 Ne6 27.Ne2 Qb4
28.a4 Ba8 29.Nc3 Qd4 30.Nf3 Qxd3 31.Rxd3 Kf7 32.g3 c4 33.Rde3 cxb3 34.cxb3
Nc5 35.Nd2 Rb8 36.Rb1 Rb4 37.f3 f5 38.Nc4 Rxb3 39.Rxb3 Nxb3 40.exf5 Rxe3 
41.Nxe3 Bxf3 42.g4 Nc5 43.fxg6+ Kxg6 44.Nc2 Nxa4 45.Nxa4 Bd1 46.Nb4 Bxa4 
47.Nxa6 c5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Damljanovic, Branko"]
[Black "Kaspret, Guido"]
[Result "1-0"]
[WhiteElo "2335"]
[ECO "E15"]
[EventDate "1980.08.17"]
[PlyCount "67"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.b3 Bb4+ 6.Bd2 Be7 7.Bg2 c6 8.Bc3 d5 
9.Nbd2 O-O 10.O-O Nbd7 11.Re1 Ne4 12.Nxe4 dxe4 13.Ne5 Nxe5 14.dxe5 e3 15.
f4 Qc7 16.Qc1 Rad8 17.a4 Bc5 18.a5 Rd2 19.axb6 Qxb6 20.b4 Bd4 21.c5 Qb7 
22.Bxd4 Rxd4 23.Qxe3 Rxb4 24.Qa3 Bc4 25.Qxa7 Qxa7 26.Rxa7 Rc8 27.Bxc6 g5 
28.Ra8 Rxa8 29.Bxa8 gxf4 30.gxf4 Bb5 31.Rc1 Rxf4 32.c6 Rc4 33.Rxc4 Bxc4 
34.e4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Fasheyitan, Olufemi"]
[Black "Weider, Dariusz"]
[Result "0-1"]
[ECO "E19"]
[EventDate "1980.08.17"]
[PlyCount "102"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 d6 10.b4 c5 11.bxc5 dxc5 12.Bb2 Bf6 13.e3 cxd4 14.exd4 Qc7 15.
Ne5 Bxg2 16.Kxg2 Bxe5 17.dxe5 Nd7 18.a4 Nc5 19.a5 bxa5 20.Kg1 Rfc8 21.Qxa5
Nd3 22.Qxc7 Rxc7 23.Bd4 Rxc4 24.Bxa7 g5 25.Be3 Rxa1 26.Rxa1 Nxe5 27.Kg2 h6
28.h3 Kg7 29.Ra5 Nc6 30.Ra2 Kg6 31.Ra1 e5 32.Rc1 Rxc1 33.Bxc1 f5 34.g4 h5 
35.f3 h4 36.gxf5+ Kxf5 37.Be3 Nd4 38.Bd2 Ne6 39.Be3 Nf4+ 40.Kh2 Ke6 41.Bc5
Nd3 42.Bb6 Ne1 43.Kg1 Nxf3+ 44.Kf2 e4 45.Be3 Kf5 46.Bb6 Ne5 47.Bd8 Nd3+ 
48.Kg2 Nf4+ 49.Kh2 e3 50.Ba5 Ke4 51.Kg1 Kf3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Fowler, Jim"]
[Black "Atalik, Suat"]
[Result "1/2-1/2"]
[ECO "A32"]
[EventDate "1980.08.17"]
[PlyCount "36"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 e6 4.d4 cxd4 5.Nxd4 a6 6.Bg5 Bb4 7.Bxf6 Qxf6 8.e3 
Nc6 9.Rc1 O-O 10.Bd3 Ne5 11.O-O Nxd3 12.Qxd3 Qg6 13.e4 d5 14.cxd5 Rd8 15.
f4 Bxc3 16.Rxc3 exd5 17.e5 Qxd3 18.Rxd3 Bd7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Guerra Osio, Jose Luis"]
[Black "Sequeira, Fernando"]
[Result "0-1"]
[ECO "B43"]
[EventDate "1980.08.17"]
[PlyCount "81"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Bb4 7.Ne2 Nf6 8.Bg2 
O-O 9.Bf4 d6 10.a3 Bxc3+ 11.Nxc3 Rd8 12.O-O Ne8 13.Re1 Nc6 14.a4 Ne5 15.
Ne2 Bd7 16.Bd2 b5 17.axb5 axb5 18.Nd4 Nc4 19.Bc3 e5 20.Ne2 Rdc8 21.b3 Na5 
22.Qd3 Nb7 23.Rxa8 Rxa8 24.Ra1 Rxa1+ 25.Bxa1 Qa5 26.Qd1 Bg4 27.f3 Be6 28.
Bc3 Qb6+ 29.Kf1 Nc7 30.Qd2 Na6 31.f4 f6 32.h3 Nac5 33.g4 Qc6 34.Qe3 Qc7 
35.Bf3 Bd7 36.h4 Bc6 37.g5 exf4 38.Nxf4 fxg5 39.Nh5 Qf7 40.Bxg7 g4 41.Qg5 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Hansen, Curt"]
[Black "Barua, Dibyendu"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1980.08.17"]
[PlyCount "89"]

1.Nf3 d5 2.d4 c5 3.dxc5 Nc6 4.a3 e6 5.b4 a5 6.b5 Na7 7.e3 Bxc5 8.Bb2 Nf6 
9.Bd3 Bd7 10.a4 Nc8 11.Nbd2 Nb6 12.O-O O-O 13.Ng5 g6 14.Qf3 Be7 15.Qh3 h5 
16.Qg3 Ng4 17.Ngf3 f5 18.Ne5 h4 19.Qh3 Nxe5 20.Bxe5 g5 21.Qf3 Bf6 22.Bxf6 
Qxf6 23.c4 Qc3 24.Qe2 Rfc8 25.Rac1 Qg7 26.Qd1 Qe7 27.Qb3 Qb4 28.Qd1 Nxa4 
29.cxd5 Rxc1 30.Qxc1 Rc8 31.Bc4 Bxb5 32.e4 f4 33.Qc2 Bxc4 34.e5 Kg7 35.Rb1
Qe7 36.Nxc4 exd5 37.Qxa4 Rxc4 38.Qxa5 b5 39.Qxb5 Rc5 40.Qb6 d4 41.e6 Kf6 
42.h3 Rd5 43.Re1 d3 44.Qb2+ Kg6 45.Qd2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "James, Stephen"]
[Black "Grant, Conrad"]
[Result "1-0"]
[ECO "A05"]
[EventDate "1980.08.17"]
[PlyCount "57"]

1.e3 Nf6 2.Nf3 c5 3.c4 e6 4.b3 b6 5.Bb2 Bb7 6.Be2 Be7 7.O-O O-O 8.Qc2 Be4 
9.d3 Bg6 10.Ne5 Nc6 11.Nxc6 dxc6 12.Nd2 Qd6 13.Nf3 Rad8 14.Ne5 Nd7 15.Nxg6
fxg6 16.Rad1 Bf6 17.d4 cxd4 18.exd4 Qc7 19.Rfe1 e5 20.d5 Nc5 21.b4 Nb7 22.
Bf3 cxd5 23.Rxd5 Rxd5 24.Bxd5+ Kh8 25.Qe2 Rd8 26.Bxe5 Bxe5 27.Qxe5 Qxe5 
28.Rxe5 Nd6 29.g3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Hadi, Jardak"]
[Black "Lasar, Yves"]
[Result "0-1"]
[ECO "D02"]
[EventDate "1980.08.17"]
[PlyCount "42"]

1.d4 Nf6 2.g3 g6 3.Bg2 d5 4.Nf3 Bg7 5.O-O O-O 6.Re1 Nc6 7.Nbd2 Bf5 8.b3 
Nb4 9.e4 dxe4 10.Ng5 Bg4 11.f3 Qxd4+ 12.Kh1 exf3 13.Ndxf3 Qxa1 14.Qd2 Nfd5
15.Ba3 Qc3 16.Bxb4 Nxb4 17.Qf4 Bxf3 18.Nxf3 Rad8 19.Rf1 Nd5 20.Qh4 Ne3 21.
Ng5 h6 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Kasparov, Garry"]
[Black "Hjorth, Gregory"]
[Result "1-0"]
[WhiteElo "2595"]
[ECO "D34"]
[EventDate "1980.08.17"]
[PlyCount "53"]

1.d4 d5 2.c4 e6 3.Nf3 c5 4.cxd5 exd5 5.g3 Nc6 6.Bg2 Nf6 7.Nc3 Be7 8.O-O 
O-O 9.Bg5 c4 10.Ne5 Be6 11.f4 Nxe5 12.fxe5 Ne4 13.Bxe7 Nxc3 14.bxc3 Qxe7 
15.e4 Qd7 16.a4 Rfd8 17.Qh5 Rac8 18.Rf4 Rc7 19.Raf1 Qxa4 20.exd5 Rxd5 21.
Bxd5 Bxd5 22.e6 Bxe6 23.d5 Qb5 24.Rh4 Qc5+ 25.Rf2 Bxd5 26.Rd4 Rd7 27.Rf5 
1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Lirindzakis, Stayros"]
[Black "Tassi, Oliviero"]
[Result "0-1"]
[ECO "E15"]
[EventDate "1980.08.17"]
[PlyCount "80"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Ba6 5.Qc2 Bb4+ 6.Bd2 Be7 7.Bg2 O-O 8.b4 d5 
9.b5 Bb7 10.Ne5 c5 11.dxc5 Bxc5 12.Nd3 Bd4 13.Bc3 Bxc3+ 14.Nxc3 Qc7 15.
cxd5 Bxd5 16.f3 Nbd7 17.Rc1 Rac8 18.Qd2 Ne5 19.Nxe5 Qxe5 20.O-O Bc4 21.f4 
Qc5+ 22.Kh1 Rfd8 23.Qb2 Ng4 24.Bf3 Ne3 25.Rfe1 Qf5 26.a4 Qh3 27.Ne4 Bd5 
28.Rxc8 Rxc8 29.Ng5 Qf5 30.Rc1 Rd8 31.Qe5 Qxe5 32.fxe5 Bb3 33.Kg1 Rd1+ 34.
Rxd1 Bxd1 35.Kf2 Nc4 36.e4 Bxa4 37.Be2 Na3 38.Nf3 Nxb5 39.Ke3 Nc7 40.Nd4 
Kf8 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "McNab, Colin Anderson"]
[Black "Lima, Darcy"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1980.08.17"]
[PlyCount "98"]

1.g3 g6 2.Bg2 Bg7 3.d4 Nf6 4.e4 d6 5.Ne2 O-O 6.O-O Nbd7 7.h3 e5 8.Nbc3 c6 
9.Be3 Re8 10.f4 exd4 11.Bxd4 Qc7 12.g4 b5 13.a3 Ba6 14.g5 Nh5 15.Bxg7 Nxg7
16.Kh1 Rad8 17.Qe1 Nb6 18.Qf2 d5 19.Rfd1 Ne6 20.e5 Bc8 21.Bf3 a6 22.Bg4 c5
23.Ng3 Ng7 24.Nce2 Be6 25.Kh2 Qc8 26.Qf3 Bf5 27.Nc3 Qe6 28.b3 Rd7 29.Rd2 
Red8 30.Re1 Nc8 31.Nd1 Ne7 32.Nf2 c4 33.Red1 Qb6 34.h4 cxb3 35.cxb3 b4 36.
axb4 Qxb4 37.h5 Ne6 38.hxg6 fxg6 39.Nd3 Qxb3 40.Rb2 Qc4 41.Bxf5 Nxf5 42.
Nxf5 gxf5 43.Rb4 Qc3 44.Rc1 Qd2+ 45.Kg3 d4 46.Rb2 Qe3 47.Rc6 Ng7 48.Rxa6 
Nh5+ 49.Kg2 Qxd3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Negulescu, Adrian"]
[Black "Danailov, Silvio"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[BlackElo "2295"]
[ECO "E12"]
[EventDate "1980.08.17"]
[PlyCount "14"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 c5 5.d5 Ba6 6.Qc2 exd5 7.cxd5 Bb7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Obando, Arnoldo"]
[Black "Long, Peter"]
[Result "1/2-1/2"]
[ECO "B40"]
[EventDate "1980.08.17"]
[PlyCount "64"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Bb4 6.Bd3 Nc6 7.Ne2 O-O 8.O-O 
Ne5 9.Bf4 d6 10.a3 Bc5 11.Na4 Qc7 12.Bxe5 dxe5 13.Nxc5 Qxc5 14.Ng3 Rd8 15.
Nh5 Nxh5 16.Qxh5 Qd4 17.b3 Bd7 18.Kh1 Bc6 19.Rae1 Rd7 20.f4 exf4 21.Rxf4 
g6 22.Qg5 Qg7 23.e5 Rd5 24.Rf6 Rad8 25.Ref1 R8d7 26.R1f2 Bb5 27.Bxb5 Rxb5 
28.h3 Rbd5 29.Qe3 b6 30.a4 Rd4 31.Qf3 R4d5 32.Qe3 Rd4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Rodas Maritni, Pablo"]
[Black "Zabihi, Ali"]
[Result "1/2-1/2"]
[ECO "A05"]
[EventDate "1980.08.17"]
[PlyCount "70"]

1.Nf3 Nf6 2.b3 g6 3.Bb2 Bg7 4.e3 O-O 5.Be2 d6 6.O-O Nbd7 7.d4 Re8 8.c4 e5 
9.dxe5 dxe5 10.Nxe5 Ne4 11.Nd3 Bxb2 12.Nxb2 Qf6 13.Qd4 Ng3 14.hxg3 Qxd4 
15.exd4 Rxe2 16.Nd1 Nf6 17.Nbc3 Rd2 18.d5 Bg4 19.Ne3 Re8 20.Rfe1 Kf8 21.
Kf1 c6 22.Nxg4 Nxg4 23.Rxe8+ Kxe8 24.Re1+ Kd7 25.dxc6+ Kxc6 26.Re2 Rxe2 
27.Kxe2 Kc5 28.Ne4+ Kb4 29.Nd6 Ka3 30.Nxb7 Kxa2 31.c5 Nf6 32.c6 Ne8 33.Nc5
Ka3 34.Na6 Kxb3 35.Kd3 Ka4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Santo-Roman, Marc"]
[Black "Morales Moreno, Humberto"]
[Result "0-1"]
[WhiteElo "2205"]
[ECO "B80"]
[EventDate "1980.08.17"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e6 7.a4 Nc6 8.Be2 Be7
9.O-O O-O 10.Nb3 b6 11.f4 Bb7 12.Bf3 Rc8 13.Qe2 Qc7 14.g4 Nb4 15.g5 Nd7 
16.Qf2 Nc5 17.Rad1 Rfd8 18.Rd2 d5 19.Rfd1 dxe4 20.Nxc5 Rxd2 21.Rxd2 Bxc5 
22.Bxc5 bxc5 23.Bxe4 Bxe4 24.Nxe4 Nd5 25.c4 Nxf4 26.Qxc5 Qxc5+ 27.Nxc5 Kf8
28.b4 a5 29.Nd7+ Ke8 30.Nb6 Rc6 31.bxa5 Rc5 32.h4 Rxa5 33.Kf2 Ng6 34.Rd4 
Ne7 35.Ke2 Nc6 36.Rg4 Kd8 37.Rg1 Kc7 38.Rb1 Kd6 39.Kd3 Ra6 40.Nc8+ Kc7 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Shrentzel, Mordechai"]
[Black "Ye Rongguang"]
[Result "1/2-1/2"]
[ECO "C42"]
[EventDate "1980.08.17"]
[PlyCount "124"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nc4 Nxe4 5.Qe2 Qe7 6.b3 Nc6 7.Bb2 Bd7 8.d3 
Ng5 9.Qxe7+ Nxe7 10.Nc3 O-O-O 11.O-O-O f6 12.h4 Nf7 13.Ne2 Ne5 14.Nxe5 
dxe5 15.d4 exd4 16.Nxd4 Nc6 17.Bc4 Nxd4 18.Bxd4 Ba3+ 19.Kb1 b6 20.h5 h6 
21.Bf7 Bc6 22.f3 Rd6 23.c3 Be8 24.Bxe8 Rxe8 25.Rhe1 Rde6 26.Rxe6 Rxe6 27.
Kc2 Bd6 28.Kd3 Kd7 29.Rd2 Re1 30.Re2 Rf1 31.Ke4 Ke6 32.g4 c6 33.Be3 Ra1 
34.Bf4 Rd1 35.Be3 Rd5 36.c4 Re5+ 37.Kd3 Kf7 38.Bd4 Rxe2 39.Kxe2 Ke6 40.Kd3
Bf8 41.Ke4 Bd6 42.Be3 Bb4 43.Bf4 Bd6 44.Bd2 a6 45.Bc3 Be5 46.Bd2 Bd6 47.
Bc1 Bc5 48.Bb2 Bd6 49.Bd4 Bc5 50.Bc3 Bd6 51.f4 Bf8 52.Bd2 Be7 53.Be1 Bc5 
54.Bd2 Be7 55.Be1 Bd6 56.a4 a5 57.Bd2 Be7 58.Bc1 Bf8 59.g5 f5+ 60.Kf3 c5 
61.Bb2 Kd7 62.Be5 Kc6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Stigar, Petter"]
[Black "Zuger, Beat"]
[Result "1-0"]
[BlackElo "2235"]
[ECO "E84"]
[EventDate "1980.08.17"]
[PlyCount "131"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Qd2 a6 8.Nge2 Rb8 
9.Nc1 e5 10.d5 Nd4 11.Nb3 Nxb3 12.axb3 c5 13.Bg5 Qc7 14.g4 Ne8 15.Bd3 f6 
16.Be3 f5 17.gxf5 gxf5 18.exf5 Bxf5 19.Ne4 Bxe4 20.Bxe4 Kh8 21.b4 cxb4 22.
Qxb4 Nf6 23.c5 Nxe4 24.fxe4 Rf3 25.Ke2 dxc5 26.Bxc5 Rf4 27.Rac1 Qd7 28.Be3
Qg4+ 29.Kd3 Rf3 30.Qb6 Qh3 31.Rhg1 Bh6 32.Rg3 Rxe3+ 33.Rxe3 Bxe3 34.Qxe3 
Qxh2 35.Qf3 Qh6 36.Rf1 Re8 37.Qf7 Qg6 38.Qxg6 hxg6 39.Rf7 g5 40.Rf5 g4 41.
Ke3 Kg7 42.Rg5+ Kf6 43.Rxg4 Rh8 44.Rg3 Rh2 45.Rf3+ Ke7 46.Rf5 Kd6 47.b4 
Rb2 48.Rf6+ Kd7 49.Rf7+ Kc8 50.Re7 Rxb4 51.Rxe5 a5 52.Rh5 a4 53.e5 Rb3+ 
54.Ke4 Rb4+ 55.Kd3 a3 56.Rh8+ Kc7 57.d6+ Kd7 58.Rh7+ Ke6 59.Re7+ Kd5 60.d7
Rd4+ 61.Kc3 Kc6 62.Kxd4 a2 63.d8=N+ Kb6 64.Rxb7+ Ka6 65.Kc5 a1=Q 66.Rb6+ 
1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Tavares, Shawn"]
[Black "Corral Blanco, Juan Antonio"]
[Result "1-0"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "95"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Bc4 Nb6 6.Bb3 d5 7.cxd4 Nc6 8.Nc3 
Bf5 9.Nge2 e6 10.O-O Rc8 11.Ng3 Bg6 12.Kh1 h5 13.Nge2 Na5 14.Bc2 Bxc2 15.
Qxc2 Be7 16.Qd3 Nc6 17.Qg3 g6 18.Nb5 a6 19.Nd6+ Bxd6 20.exd6 h4 21.Qg4 
Qxd6 22.Bf4 Qb4 23.a3 Qb3 24.Bg5 h3 25.Nf4 hxg2+ 26.Kxg2 Kd7 27.Bf6 Rhg8 
28.Rae1 Rce8 29.Re3 Qc2 30.Nd3 Nc4 31.Rf3 Kc8 32.Rc1 Qd2 33.Qg3 g5 34.h3 
Nxb2 35.Rxc6+ bxc6 36.Nxb2 g4 37.hxg4 e5 38.Rb3 Qxd4 39.Rb4 Qd2 40.Bxe5 f5
41.Bb8 f4 42.Bxf4 Qe2 43.g5 Rh8 44.Be3 Qh5 45.Qb8+ Kd7 46.Qb7+ Ke6 47.
Qxc6+ Kf7 48.Rb7+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Tempone, Marcelo"]
[Black "Morovic Fernandez, Ivan"]
[Result "1/2-1/2"]
[WhiteElo "2235"]
[BlackElo "2380"]
[ECO "A05"]
[EventDate "1980.08.17"]
[PlyCount "14"]

1.Nf3 Nf6 2.g3 g6 3.b4 Bg7 4.Bb2 O-O 5.Bg2 c6 6.c4 d5 7.cxd5 cxd5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Toro Sanchez, Bernardo"]
[Black "Utut Adianto"]
[Result "1-0"]
[WhiteElo "2265"]
[ECO "E39"]
[EventDate "1980.08.17"]
[PlyCount "125"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Bg5 Bxc5 7.Nf3 Nc6 8.e3 
h6 9.Bh4 Be7 10.Be2 d5 11.O-O dxc4 12.Bxc4 Bd7 13.Rfd1 Rc8 14.Qe2 a6 15.a3
b5 16.Ba2 Qc7 17.e4 Rfd8 18.e5 Ne8 19.Bg3 Na5 20.Ne4 Bc6 21.h3 Bxe4 22.
Qxe4 Rxd1+ 23.Rxd1 Qc2 24.Qxc2 Rxc2 25.Rd2 Rc1+ 26.Kh2 Ra1 27.b4 Nc4 28.
Bxc4 bxc4 29.Rc2 Rxa3 30.Rxc4 Ra4 31.Rc8 Kf8 32.Nd4 Bxb4 33.Ra8 Bc3 34.Nc6
a5 35.Ra7 Ra2 36.Nd8 Rd2 37.Nxf7 Bd4 38.Rb7 Bxf2 39.Bxf2 Rxf2 40.Nd8 a4 
41.Nxe6+ Kg8 42.Re7 Rc2 43.Rxe8+ Kf7 44.Nd4 Rxg2+ 45.Kxg2 Kxe8 46.Nc2 Ke7 
47.Kf3 Ke6 48.Ke4 g6 49.h4 g5 50.hxg5 hxg5 51.Na3 g4 52.Nc2 g3 53.Nd4+ Kd7
54.Kf3 a3 55.Nc2 a2 56.Kxg3 Ke6 57.Kf4 Ke7 58.Kf5 Kf7 59.e6+ Ke7 60.Ke5 
Ke8 61.Kf6 Kf8 62.e7+ Ke8 63.Na1 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Tovillas, Daniel"]
[Black "Karolyi, Tibor"]
[Result "0-1"]
[BlackElo "2300"]
[ECO "B23"]
[EventDate "1980.08.17"]
[PlyCount "67"]

1.e4 c5 2.f4 Nc6 3.Nf3 e6 4.Nc3 a6 5.d3 d5 6.g3 dxe4 7.Nxe4 b6 8.Bg2 Bb7 
9.O-O g6 10.Ne5 Qc7 11.Qe1 Be7 12.Bd2 Nd4 13.Rc1 Nf6 14.c3 Nf5 15.Ng5 Bxg2
16.Kxg2 Nd6 17.Qe2 O-O 18.Rf3 h6 19.Ne4 Kg7 20.g4 Rad8 21.Ng3 Ng8 22.f5 
exf5 23.gxf5 Rde8 24.Qf2 Bh4 25.Re1 Nf6 26.Nh5+ Nxh5 27.Qxh4 Qb7 28.Kf2 
Qc8 29.Rg1 Rxe5 30.Qxh5 Nxf5 31.Bxh6+ Kh7 32.Qg5 Rfe8 33.Rg4 Qc6 34.Kg1 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "10"]
[White "Valkesalmi, Kimmo"]
[Black "Benjamin, Joel"]
[Result "1-0"]
[BlackElo "2350"]
[ECO "B14"]
[EventDate "1980.08.17"]
[PlyCount "109"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Bb4 7.cxd5 exd5 8.Bb5+
Bd7 9.Bd3 O-O 10.O-O Bg4 11.Bg5 Bxc3 12.bxc3 Nbd7 13.h3 Bh5 14.g4 Bg6 15.
Ne5 Qc7 16.Nxg6 hxg6 17.Qb3 Rac8 18.Rfc1 Nb6 19.Rab1 Rfe8 20.a4 Re7 21.Qb5
Qd6 22.Qb4 Qd7 23.a5 Nc4 24.Re1 Rxe1+ 25.Rxe1 Qc6 26.Bxc4 dxc4 27.Bxf6 
gxf6 28.Re7 b6 29.Rxa7 bxa5 30.Qe7 Rf8 31.Rxa5 Re8 32.d5 Rxe7 33.dxc6 Rc7 
34.Rc5 Kf8 35.Rxc4 Ke7 36.Kf1 Kd6 37.Ke2 Kd5 38.Kd3 g5 39.f4 gxf4 40.Rxf4 
Rxc6 41.h4 Ke5 42.Rf5+ Ke6 43.h5 Rd6+ 44.Kc2 Rd8 45.h6 Rh8 46.Rh5 f5 47.
gxf5+ Ke5 48.Kd3 Kf4 49.h7 Kg4 50.Rh1 Kxf5 51.Ke3 Ke5 52.c4 f6 53.c5 f5 
54.c6 Kf6 55.Kf4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Utut Adianto"]
[Black "Tempone, Marcelo"]
[Result "0-1"]
[BlackElo "2235"]
[ECO "C43"]
[EventDate "1980.08.17"]
[PlyCount "112"]

1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.O-O O-O 7.c4 Nc6 8.cxd5 
Nxd4 9.Bxe4 Bxe5 10.Qh5 f5 11.Bg5 Qe8 12.Qxe8 Rxe8 13.Bd3 f4 14.Nc3 h6 15.
Bg6 Bf5 16.Bxe8 Rxe8 17.Bxf4 Bxf4 18.Rfe1 Rxe1+ 19.Rxe1 Kf7 20.Rd1 Be5 21.
f3 c5 22.dxc6 Nxc6 23.g3 Be6 24.Kf2 Bd4+ 25.Ke2 Ke7 26.Kd3 Bf6 27.a3 Ne5+ 
28.Ke2 Nc4 29.Nd5+ Bxd5 30.Rxd5 Nxb2 31.f4 b6 32.h4 Ke6 33.Rh5 Nc4 34.a4 
Nd6 35.g4 Ne4 36.Kf3 Nc3 37.a5 b5 38.Rc5 Bd4 39.f5+ Kd6 40.Rc8 b4 41.Rb8 
Kc5 42.g5 hxg5 43.hxg5 Nb5 44.Rc8+ Kd5 45.Rd8+ Nd6 46.Ke2 b3 47.Kd3 b2 48.
Kc2 Kc5 49.a6 Nxf5 50.g6 Ne3+ 51.Kb1 Nc4 52.Rc8+ Kb5 53.Rb8+ Kxa6 54.Kc2 
Na3+ 55.Kd3 Bf6 56.Ke4 b1=Q+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Allen, Keith"]
[Black "Obando, Arnoldo"]
[Result "0-1"]
[ECO "D80"]
[EventDate "1980.08.17"]
[PlyCount "71"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.f3 Nc6 5.cxd5 Nxd5 6.e4 Nb6 7.d5 Ne5 8.f4 Ned7
9.Qd4 Nf6 10.a4 a5 11.Bb5+ c6 12.Be3 Nbxd5 13.Bc4 Nxe3 14.Bxf7+ Kxf7 15.
Qxd8 Nc2+ 16.Kf1 Bg7 17.Qd3 Nxa1 18.Nf3 Rf8 19.Ng5+ Kg8 20.Ke2 b6 21.Qc4+ 
e6 22.Nxe6 Ba6 23.Nb5 cxb5 24.axb5 Rfc8 25.Nc7+ Kh8 26.bxa6 Ne8 27.Rxa1 
Rxc7 28.Qb5 Rca7 29.Rd1 Rxa6 30.e5 Bf8 31.Rd7 Ng7 32.Qd5 a4 33.e6 Re8 34.
Rd8 Rxe6+ 35.Kf3 Rf6 36.Qe5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Arnason, Jon"]
[Black "Bischoff, Klaus"]
[Result "1/2-1/2"]
[WhiteElo "2435"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "90"]

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.Bc4 d6 5.Qf3 e6 6.Be3 Nd7 7.Bb3 Ngf6 8.Qg3 Nh5
9.Qf3 Nhf6 10.Qe2 e5 11.dxe5 dxe5 12.Nf3 Qe7 13.O-O O-O 14.Rfd1 Nh5 15.Qd2
Nc5 16.Qd6 Qxd6 17.Rxd6 Ne6 18.Rad1 Re8 19.g3 Bf6 20.R6d2 Nhg7 21.Kg2 Kf8 
22.h4 h5 23.a4 Kg8 24.Nb1 Nf8 25.Ng5 Nge6 26.Na3 Be7 27.Nc4 f6 28.Nh3 Bc5 
29.Bxc5 Nxc5 30.Nd6+ Nxb3 31.cxb3 Rd8 32.Nxc8 Rxd2 33.Rxd2 Rxc8 34.f4 Re8 
35.Kf3 Kf7 36.f5 Re7 37.g4 Rd7 38.Rxd7+ Nxd7 39.b4 Nb6 40.b3 Nc8 41.gxh5 
gxf5 42.exf5 Ne7 43.Ke4 Nc8 44.Kf3 Ne7 45.Ke4 Nc8 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Atalik, Suat"]
[Black "Bates, Giles"]
[Result "1/2-1/2"]
[ECO "A40"]
[EventDate "1980.08.17"]
[PlyCount "56"]

1.d4 g6 2.c4 c5 3.Nf3 Bg7 4.g3 cxd4 5.Nxd4 d5 6.Nc3 dxc4 7.Ndb5 Bd7 8.Bg2 
Nc6 9.Na3 Na5 10.Bf4 Rc8 11.O-O Nf6 12.Qd2 O-O 13.Rfd1 Qb6 14.Be3 Qc7 15.
Ncb5 c3 16.Nxc3 Rfd8 17.Qe1 a6 18.Rac1 Bc6 19.Bxc6 Nxc6 20.Rxd8+ Rxd8 21.
h3 b5 22.Nc2 Qa5 23.a3 Ne5 24.Nb4 Rc8 25.Ncd5 Rxc1 26.Qxc1 Qd8 27.Nxf6+ 
Bxf6 28.Nxa6 Nc4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Balsinde Elias, Rolando"]
[Black "Santo-Roman, Marc"]
[Result "1-0"]
[BlackElo "2205"]
[ECO "E90"]
[EventDate "1980.08.17"]
[PlyCount "77"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 O-O 5.h3 c5 6.d5 d6 7.e4 e6 8.dxe6 fxe6 
9.e5 Ne8 10.Bg5 Qb6 11.Qd2 dxe5 12.Be2 Nc6 13.O-O Nd4 14.Rfe1 Bd7 15.Bh6 
Bxh6 16.Qxh6 Qc7 17.Ng5 Nf6 18.Nce4 Bc6 19.Nxf6+ Rxf6 20.Bg4 Nc2 21.Qh4 
Raf8 22.Nxe6 Rxe6 23.Bxe6+ Kg7 24.Rad1 Re8 25.Bd5 Nxe1 26.Rxe1 b6 27.Qe4 
Bxd5 28.cxd5 g5 29.h4 h6 30.hxg5 hxg5 31.Re3 Qd6 32.Rg3 Qf6 33.d6 Rd8 34.
Qb7+ Kg6 35.Rh3 Qg7 36.Qe4+ Kf6 37.Qd5 Rd7 38.Rf3+ Kg6 39.Qe6+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Barua, Dibyendu"]
[Black "Cuijpers, Franciscus"]
[Result "1-0"]
[ECO "E90"]
[EventDate "1980.08.17"]
[PlyCount "53"]

1.e4 d6 2.d4 Nf6 3.Bd3 g6 4.Nf3 Bg7 5.c4 O-O 6.Nc3 Nc6 7.d5 Nb4 8.Bb1 c5 
9.a3 Na6 10.O-O Nc7 11.Re1 a6 12.e5 Nfe8 13.Bd3 dxe5 14.Nxe5 e6 15.Bf1 Nd6
16.Bf4 exd5 17.cxd5 Ncb5 18.Na4 f6 19.Nc4 Nxc4 20.Bxc4 Nd6 21.Ba2 b6 22.
Re6 Ne8 23.Nxb6 Ra7 24.Nxc8 Qxc8 25.d6 c4 26.Qd5 Kh8 27.Re7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Borg, Geoffrey"]
[Black "Lirindzakis, Stayros"]
[Result "1/2-1/2"]
[ECO "C01"]
[EventDate "1980.08.17"]
[PlyCount "30"]

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bd3 Bd6 5.Qf3 Be6 6.Ne2 Nc6 7.c3 Qd7 8.Nf4 
Nge7 9.h3 g6 10.O-O O-O-O 11.b4 h6 12.Na3 Rdf8 13.Re1 g5 14.Nxe6 fxe6 15.
Qg4 Rf6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Canda, Danilo"]
[Black "Hansen, Curt"]
[Result "0-1"]
[ECO "B02"]
[EventDate "1980.08.17"]
[PlyCount "130"]

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.b3 g6 5.Bb2 Bg7 6.c5 Nd5 7.Bc4 c6 8.d4 d6 9.
Bxd5 cxd5 10.cxd6 exd6 11.f4 O-O 12.Nf3 Nc6 13.O-O dxe5 14.dxe5 Bf5 15.Nd4
Qb6 16.Rf2 Be6 17.Nxc6 bxc6 18.Nc3 Rac8 19.Na4 Qa5 20.Qd2 Qxd2 21.Rxd2 g5 
22.g3 gxf4 23.gxf4 Kh8 24.Kf2 Bh6 25.Ke3 Rg8 26.Nc5 Rg4 27.Rf2 Re8 28.Raf1
Bf5 29.Kd2 Kg8 30.Rf3 Kf8 31.Ba3 Kg7 32.Rg3 Kg6 33.Nd3 Kh5 34.Rh3+ Rh4 35.
Rxh4+ Kxh4 36.Ke3 f6 37.Bd6 c5 38.Bxc5 fxe5 39.Kd2 Bxd3 40.Kxd3 Bxf4 41.
Bxa7 Ra8 42.Bf2+ Kh3 43.a4 Kg2 44.Ke2 Rc8 45.Rg1+ Kxh2 46.Rd1 Rc2+ 47.Kf3 
Rc3+ 48.Ke2 d4 49.b4 Rc4 50.Kf3 Rxb4 51.Bxd4 exd4 52.Kxf4 Rxa4 53.Rd2+ Kh3
54.Rd3+ Kg2 55.Rd2+ Kf1 56.Rh2 Ra7 57.Ke4 Rd7 58.Kd3 Kg1 59.Rh3 Kg2 60.Rh4
Kg3 61.Rh5 Kg4 62.Rh6 Kg5 63.Rh1 h5 64.Rg1+ Kh6 65.Rh1 Kg5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Corral Blanco, Juan Antonio"]
[Black "McNab, Colin Anderson"]
[Result "1-0"]
[ECO "A42"]
[EventDate "1980.08.17"]
[PlyCount "85"]

1.d4 d6 2.Nf3 g6 3.c4 Bg7 4.Nc3 Nd7 5.e4 e5 6.Be2 Ne7 7.Be3 O-O 8.O-O h6 
9.Qd2 Kh7 10.Rad1 Nc6 11.dxe5 Ndxe5 12.Nd4 Ng4 13.Nxc6 bxc6 14.Bxg4 Bxg4 
15.f3 Be6 16.c5 dxc5 17.Qf2 Qb8 18.Bxc5 Rd8 19.Rxd8 Qxd8 20.Rd1 Qb8 21.h3 
a5 22.Rd2 Qc8 23.Bd4 Bf8 24.Qg3 Bd6 25.Be5 Bc5+ 26.Kh2 Be3 27.Rd3 Bb6 28.
Qf4 g5 29.Qf6 Qg8 30.f4 gxf4 31.Bxf4 Qg7 32.Qh4 Re8 33.Rg3 Qf8 34.Qf6 Bf2 
35.Rf3 Bb6 36.Be5 Bc8 37.Rg3 Rxe5 38.Qxe5 Bc5 39.Qh5 Qe7 40.Kh1 Bd6 41.Re3
f5 42.e5 Bc5 43.Rg3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Danailov, Silvio"]
[Black "Kasparov, Garry"]
[Result "0-1"]
[WhiteElo "2295"]
[BlackElo "2595"]
[ECO "E92"]
[EventDate "1980.08.17"]
[PlyCount "60"]

1.c4 g6 2.Nf3 Bg7 3.Nc3 d6 4.d4 Nf6 5.e4 O-O 6.Be2 e5 7.dxe5 dxe5 8.Qxd8 
Rxd8 9.Bg5 Nbd7 10.Nd5 c6 11.Ne7+ Kf8 12.Nxc8 Rdxc8 13.O-O-O Nc5 14.Bxf6 
Bxf6 15.Bd3 a5 16.Rhe1 Re8 17.Bf1 Bd8 18.g3 a4 19.Kc2 Ba5 20.Re3 Rad8 21.
Rxd8 Rxd8 22.Bh3 f6 23.Re2 Ke7 24.Bg2 Nd3 25.a3 Nc5 26.h4 h5 27.Re3 g5 28.
hxg5 fxg5 29.Re2 Nb3 30.Kb1 Kf6 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Lima, Darcy"]
[Black "Ye Rongguang"]
[Result "1-0"]
[ECO "A17"]
[EventDate "1980.08.17"]
[PlyCount "93"]

1.c4 Nf6 2.Nc3 e6 3.g3 d5 4.Bg2 c6 5.d4 Bd6 6.Nf3 Nbd7 7.O-O O-O 8.b3 Qa5 
9.Bd2 Qa6 10.c5 Bb8 11.Qc2 e5 12.e3 b5 13.a4 bxa4 14.bxa4 e4 15.Nh4 Qb7 
16.Rfb1 Qc7 17.Bf1 a5 18.Rb2 Qd8 19.Rab1 Bc7 20.Nb5 cxb5 21.axb5 Rb8 22.
Qa4 Ng4 23.b6 Nxb6 24.cxb6 Rxb6 25.Rxb6 Bxb6 26.Qc6 Bc7 27.Rc1 Bb6 28.Ng2 
Qf6 29.Nf4 g5 30.Qxf6 Nxf6 31.Rc6 gxf4 32.Rxb6 fxe3 33.fxe3 Be6 34.Bxa5 
Ra8 35.Ba6 Nd7 36.Rd6 Nb8 37.Rd8+ Kg7 38.Bc7 Nxa6 39.Be5+ Kg6 40.Rxa8 Nb4 
41.Rg8+ Kh5 42.Bf6 h6 43.Kg2 Nc2 44.h3 Nxe3+ 45.Kf2 Nd1+ 46.Ke1 Ne3 47.Ke2
1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Gerbert, Philipp"]
[Black "Valkesalmi, Kimmo"]
[Result "1/2-1/2"]
[ECO "B14"]
[EventDate "1980.08.17"]
[PlyCount "35"]

1.e4 d5 2.exd5 Nf6 3.c4 c6 4.d4 cxd5 5.Nc3 e6 6.Nf3 Be7 7.c5 O-O 8.b4 b6 
9.Rb1 Ne4 10.Qc2 Nxc3 11.Qxc3 a5 12.a3 axb4 13.axb4 bxc5 14.bxc5 Qc7 15.
Bb5 Bd7 16.O-O Bxb5 17.Rxb5 Nc6 18.Be3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Guerra Osio, Jose Luis"]
[Black "Fasheyitan, Olufemi"]
[Result "1-0"]
[ECO "C78"]
[EventDate "1980.08.17"]
[PlyCount "93"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 d6 7.Ng5 d5 8.exd5 Nd4
9.Re1 Bd6 10.d3 h6 11.Ne4 O-O 12.Nbd2 Nxb3 13.Nxf6+ Qxf6 14.axb3 Qg6 15.
Ne4 Be7 16.Ng3 Bg4 17.f3 Bd7 18.d4 c6 19.d6 Qxd6 20.dxe5 Qc7 21.f4 Kh7 22.
Qf3 c5 23.f5 c4 24.f6 Bc5+ 25.Kh1 Bc6 26.Qf5+ g6 27.Qh3 h5 28.Nxh5 Rh8 29.
Nf4+ Kg8 30.Qg3 Rh7 31.bxc4 bxc4 32.Bd2 Re8 33.Bc3 Bd7 34.Nxg6 Bc8 35.Ne7+
Kh8 36.Re4 Bxe7 37.fxe7 Be6 38.Bd2 Rg7 39.Bg5 Kg8 40.Rh4 f6 41.exf6 Qxg3 
42.Rh8+ Kf7 43.Rf8+ Kg6 44.hxg3 Rg8 45.Rxe8 Rxe8 46.Rxa6 Bf5 47.f7+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Hjorth, Gregory"]
[Black "Stigar, Petter"]
[Result "1-0"]
[ECO "B07"]
[EventDate "1980.08.17"]
[PlyCount "71"]

1.e4 g6 2.d4 Bg7 3.Ne2 d6 4.Nbc3 Nf6 5.g3 O-O 6.Bg2 e5 7.O-O Nc6 8.dxe5 
dxe5 9.Be3 Be6 10.Nd5 Nd7 11.Qd2 Nb6 12.Bc5 Re8 13.Rad1 f6 14.Qe3 Qc8 15.
b3 Bf7 16.Nec3 Nxd5 17.Nxd5 b6 18.Ba3 Qa6 19.Bc1 Qb7 20.Qf3 Bxd5 21.exd5 
Nd4 22.Qd3 Rad8 23.c3 Nf5 24.d6 e4 25.Qc4+ Kh8 26.dxc7 Rc8 27.Rfe1 Rxc7 
28.Rxe4 Rce7 29.Re6 Qxg2+ 30.Kxg2 Rxe6 31.Rd7 h5 32.Rxa7 Re1 33.Qf7 Kh7 
34.Be3 Re2 35.Qxe8 Nxe3+ 36.Kf3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "James, Stephen"]
[Black "Fowler, Jim"]
[Result "1/2-1/2"]
[ECO "A05"]
[EventDate "1980.08.17"]
[PlyCount "38"]

1.e3 Nf6 2.Nf3 b6 3.b3 Bb7 4.Bb2 e6 5.Be2 d5 6.O-O Nbd7 7.c4 Bd6 8.Nc3 a6 
9.d4 O-O 10.Rc1 Rc8 11.Na4 dxc4 12.bxc4 c5 13.Qb3 Ne4 14.Ba3 Ng5 15.Nxg5 
Qxg5 16.f3 f5 17.dxc5 Nxc5 18.Nxc5 bxc5 19.Rfd1 Bb8 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Hadi, Jardak"]
[Black "Belkhodja, Slim"]
[Result "0-1"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "104"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.Bc4 Nb6 6.Bb3 e6 7.Nf3 Nc6 8.cxd4 d6
9.Bg5 Be7 10.Bxe7 Qxe7 11.Nc3 dxe5 12.dxe5 O-O 13.O-O Rd8 14.Qe2 Bd7 15.a3
Na5 16.Ba2 Rac8 17.Ne4 Nac4 18.Bxc4 Nxc4 19.b3 Nb6 20.Nd6 Rc7 21.Rfd1 Nd5 
22.Rac1 Rxc1 23.Rxc1 f6 24.b4 b6 25.g3 Ba4 26.Ne4 Kh8 27.Nh4 Qd7 28.Qh5 
Bb5 29.Nd6 Rb8 30.f4 Ba4 31.Nf3 a5 32.Nd2 axb4 33.axb4 Nxb4 34.N2c4 Nd5 
35.f5 exf5 36.Qf7 Qxf7 37.Nxf7+ Kg8 38.e6 Nc7 39.Nxb6 Rxb6 40.Rxc7 Rxe6 
41.Nd8 Re8 42.Nb7 h6 43.Nd6 Re5 44.h4 Bb3 45.Kf2 Bd1 46.Ra7 Bg4 47.Nc4 
Re2+ 48.Kf1 f4 49.gxf4 Re4 50.Nd2 Rxf4+ 51.Kg2 Be6 52.Re7 Bf5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Karolyi, Tibor"]
[Black "Toro Sanchez, Bernardo"]
[Result "1-0"]
[WhiteElo "2300"]
[BlackElo "2265"]
[ECO "C09"]
[EventDate "1980.08.17"]
[PlyCount "69"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.exd5 exd5 6.Bb5 Bd6 7.dxc5 Bxc5 8.
Nb3 Bd6 9.Qd4 f6 10.O-O Ne7 11.Bf4 O-O 12.Bxc6 bxc6 13.Bxd6 Qxd6 14.Qc5 
Qxc5 15.Nxc5 Rb8 16.Rab1 Rb6 17.b4 Bg4 18.Nd4 Rfb8 19.c3 Nf5 20.Ncb3 Nd6 
21.Rfe1 Kf7 22.a4 Re8 23.Nc5 Rc8 24.a5 Rbb8 25.f3 Bf5 26.Rb2 Re8 27.Rxe8 
Rxe8 28.Nxc6 Nb5 29.Nd4 Nxc3 30.Nxf5 Re1+ 31.Kf2 Re5 32.Kf1 Rxf5 33.b5 
Nxb5 34.Rxb5 d4 35.Ne4 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Lasar, Yves"]
[Black "Zabihi, Ali"]
[Result "0-1"]
[ECO "E15"]
[EventDate "1980.08.17"]
[PlyCount "70"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Ba6 5.Qc2 c5 6.Bg2 Nc6 7.e3 Nb4 8.Qb3 d5 9.
Ne5 dxc4 10.Nxc4 Rc8 11.a3 cxd4 12.axb4 Bxc4 13.Qa4+ b5 14.Qxa7 Bd5 15.
Bxd5 Qxd5 16.O-O dxe3 17.Bxe3 Bxb4 18.Nc3 Bxc3 19.bxc3 O-O 20.Qd4 Qh5 21.
Rfd1 Rc4 22.Qd3 Ng4 23.h4 Ne5 24.Qd6 Qf5 25.Bd4 Nf3+ 26.Kf1 h6 27.Rab1 
Nd2+ 28.Rxd2 Qxb1+ 29.Kg2 Qe1 30.Rb2 Ra8 31.Rxb5 Qe4+ 32.Kh2 Ra1 33.Qd8+ 
Kh7 34.g4 Rh1+ 35.Kg3 Rg1+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Long, Peter"]
[Black "Cauchy, Daniel"]
[Result "1-0"]
[ECO "B21"]
[EventDate "1980.08.17"]
[PlyCount "59"]

1.e4 c5 2.f4 Nc6 3.Nf3 Nf6 4.d3 e6 5.Be2 d5 6.e5 Ng8 7.c3 Nge7 8.Be3 Nf5 
9.Bf2 Be7 10.O-O O-O 11.g4 Nh6 12.h3 f6 13.d4 c4 14.Nbd2 f5 15.g5 Nf7 16.
Be3 g6 17.h4 h5 18.Rf2 Kg7 19.Nf1 Rh8 20.Ng3 Qe8 21.Nd2 Nfd8 22.Rg2 Bd7 
23.Ndf1 Qf7 24.Nxh5+ gxh5 25.Ng3 Be8 26.g6 Qf8 27.Nxh5+ Rxh5 28.Bxh5 Bxh4 
29.Rh2 Qe7 30.Qf3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Morales Moreno, Humberto"]
[Black "Tovillas, Daniel"]
[Result "1/2-1/2"]
[ECO "A17"]
[EventDate "1980.08.17"]
[PlyCount "120"]

1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.O-O Be7 6.Nc3 O-O 7.d3 d6 8.e4 c5 9.
b3 a6 10.Bb2 Qc7 11.Rc1 Nc6 12.d4 cxd4 13.Nxd4 Ne5 14.Qe2 Nfd7 15.f4 Nc6 
16.Nc2 Rad8 17.Kh1 Qb8 18.Rfd1 Kh8 19.Rd2 Nf6 20.Rcd1 Ne8 21.Ne3 Qa8 22.
Ned5 exd5 23.exd5 Bf6 24.dxc6 Bxc6 25.Nd5 Bxb2 26.Rxb2 Qb7 27.Qe7 Qxe7 28.
Nxe7 Bxg2+ 29.Kxg2 g6 30.Rbd2 Kg7 31.Kf3 f5 32.Nd5 Rb8 33.Nb4 Ra8 34.Re1 
Rf7 35.Nxa6 Nf6 36.Nb4 Ne4 37.Rd3 Re7 38.Red1 Ra3 39.Nd5 Rb7 40.Nb4 b5 41.
cxb5 Rxb5 42.Rd4 Rc5 43.Ke3 Kf7 44.R1d3 h5 45.Rd5 Ke6 46.R5d4 Rc1 47.Rd1 
Rc8 48.Re1 Rc3+ 49.Rd3 Rc7 50.Kd4 Rca7 51.Rc1 Rb7 52.Rc4 h4 53.g4 Rh7 54.
Re3 h3 55.Kd3 Rh4 56.gxf5+ Kxf5 57.Kc2 Rxf4 58.Kb2 Ra8 59.Rxh3 Rf2+ 60.Rc2
Rf8 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Morovic Fernandez, Ivan"]
[Black "Akesson, Ralf"]
[Result "1-0"]
[WhiteElo "2380"]
[BlackElo "2230"]
[ECO "A49"]
[EventDate "1980.08.17"]
[PlyCount "101"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.b3 Nbd7 7.Bb2 Nh5 8.c4 e5 
9.dxe5 dxe5 10.e4 Re8 11.Nc3 c6 12.b4 Qe7 13.c5 b6 14.Qd6 Qxd6 15.cxd6 Bb7
16.Rfd1 Nhf6 17.Nd2 Red8 18.Nc4 Rac8 19.a4 Ba8 20.f3 Rb8 21.Bf1 Ne8 22.Bh3
a6 23.b5 Nc5 24.Ba3 axb5 25.axb5 cxb5 26.Nxb5 Bc6 27.Rab1 Bd7 28.Bxd7 Nxd7
29.Na7 Rb7 30.Nc6 Ra8 31.N4a5 Rxa5 32.Nxa5 Ra7 33.Nc4 Bf8 34.Nxb6 Rxa3 35.
Nxd7 Bxd6 36.Rbc1 Ra8 37.Rd5 Ba3 38.Rb1 f6 39.Rb8 Rxb8 40.Nxb8 Be7 41.Rd7 
Bc5+ 42.Kf1 h5 43.Nc6 Kf8 44.Nd8 Bb6 45.Ne6+ Kg8 46.Rb7 Be3 47.Re7 Nd6 48.
Rg7+ Kh8 49.Rd7 Nc4 50.Nf8 g5 51.Nh7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Pajak, Jan"]
[Black "Kaspret, Guido"]
[Result "1/2-1/2"]
[ECO "C51"]
[EventDate "1980.08.17"]
[PlyCount "33"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.O-O Bb6 8.cxd4 
d6 9.Nc3 Na5 10.Bg5 Ne7 11.Nd5 f6 12.Bxf6 gxf6 13.Nxf6+ Kf8 14.Ng5 Nxc4 
15.Qh5 Kg7 16.Qf7+ Kh6 17.Qh5+ 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Sequeira, Fernando"]
[Black "Tavares, Shawn"]
[Result "1/2-1/2"]
[ECO "B87"]
[EventDate "1980.08.17"]
[PlyCount "32"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.O-O Bb7
9.Re1 Nbd7 10.f4 Nc5 11.e5 dxe5 12.fxe5 Nxb3 13.axb3 Bc5 14.Be3 Nd5 15.
Nxd5 Qxd5 16.Nf3 O-O-O 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Short, Nigel David"]
[Black "Negulescu, Adrian"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2410"]
[ECO "B52"]
[EventDate "1980.08.17"]
[PlyCount "12"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Nxd7 5.O-O Ngf6 6.Re1 e6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Tassi, Oliviero"]
[Black "Benjamin, Joel"]
[Result "1/2-1/2"]
[BlackElo "2350"]
[ECO "A36"]
[EventDate "1980.08.17"]
[PlyCount "42"]

1.c4 g6 2.e4 Bg7 3.Nc3 c5 4.g3 Nc6 5.Bg2 e6 6.Nge2 Nge7 7.O-O O-O 8.d3 a6 
9.Bf4 d6 10.Qd2 Re8 11.Rab1 Nd4 12.Bg5 Rb8 13.b4 cxb4 14.Rxb4 Qa5 15.Rfb1 
Qc7 16.Nxd4 Bxd4 17.Ne2 Bg7 18.Be3 Nc6 19.Rb6 Ne5 20.Bd4 Nd7 21.R6b4 Bxd4 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Valiente, Cristobal"]
[Black "Grant, Conrad"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1980.08.17"]
[PlyCount "37"]

1.c4 Nf6 2.Nf3 c5 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.b3 O-O 8.Bb2 d5 
9.cxd5 exd5 10.d4 Nc6 11.Rc1 Re8 12.e3 cxd4 13.Nxd4 Nxd4 14.exd4 Rc8 15.
Re1 Bd6 16.Bh3 Rc6 17.Bf5 Ba6 18.Bb1 Bb4 19.a3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Weider, Dariusz"]
[Black "Shrentzel, Mordechai"]
[Result "0-1"]
[ECO "A49"]
[EventDate "1980.08.17"]
[PlyCount "58"]

1.Nf3 Nf6 2.b3 d6 3.d4 g6 4.Bb2 Bg7 5.g3 O-O 6.Bg2 Nbd7 7.O-O e5 8.dxe5 
Ng4 9.c4 dxe5 10.e4 c6 11.Qc2 Re8 12.b4 a5 13.a3 axb4 14.axb4 Rxa1 15.Bxa1
Bf8 16.Bc3 Nh6 17.Nbd2 f6 18.Ne1 Nf7 19.Nd3 Bg7 20.b5 Nf8 21.Ra1 Ne6 22.
Ra8 c5 23.Nf1 Bh6 24.Nb2 Qc7 25.Nd1 Nd4 26.Qa2 Nd6 27.Nde3 Be6 28.Ra7 
N6xb5 29.Ng4 Bg7 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Yoshida, Tetsuo"]
[Black "Rodas Maritni, Pablo"]
[Result "1/2-1/2"]
[ECO "B03"]
[EventDate "1980.08.17"]
[PlyCount "33"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 c5 7.d5 e6 8.Nc3 exd5 
9.cxd5 c4 10.g3 Bc5 11.Bg2 O-O 12.Qh5 g6 13.Qh6 Re8 14.Bf4 Bf8 15.Qh4 Be7 
16.Qh6 Bf8 17.Qh4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "11"]
[White "Zuger, Beat"]
[Black "Damljanovic, Branko"]
[Result "1-0"]
[WhiteElo "2235"]
[BlackElo "2335"]
[ECO "E62"]
[EventDate "1980.08.17"]
[PlyCount "81"]

1.c4 Nf6 2.g3 g6 3.Bg2 Bg7 4.Nf3 O-O 5.O-O d6 6.d4 c6 7.Nc3 Qa5 8.h3 e5 9.
e4 Be6 10.d5 cxd5 11.cxd5 Bd7 12.Bd2 Rc8 13.a4 Qd8 14.Ne1 a5 15.Qb3 Na6 
16.Nd3 b6 17.f4 exf4 18.gxf4 Nh5 19.Rf3 Nc5 20.Nxc5 bxc5 21.Re1 Rab8 22.
Qc2 c4 23.Be3 f5 24.exf5 Bxf5 25.Qd2 Rb3 26.Bd4 Bh6 27.Qf2 Rcb8 28.Re2 Bd3
29.Rd2 Ng7 30.Nb5 Nf5 31.Bc3 Rb7 32.Bf1 Nh4 33.Rg3 Bxf4 34.Rdxd3 Bxg3 35.
Rxg3 Rf7 36.Qd4 Rxc3 37.Qxc3 Nf5 38.Rf3 Qg5+ 39.Kh2 Re7 40.Qxc4 h5 41.Qf4 
1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Atalik, Suat"]
[Black "James, Stephen"]
[Result "1-0"]
[ECO "A41"]
[EventDate "1980.08.17"]
[PlyCount "85"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.Nf3 Nc6 5.d5 Nb8 6.Bg5 h6 7.Bh4 Nf6 8.e4 O-O 
9.Nd2 c6 10.Be2 Qb6 11.Rb1 Nbd7 12.O-O Ne5 13.Nf3 Nxf3+ 14.Bxf3 Re8 15.Qd2
Nd7 16.Na4 Qd4 17.Qxd4 Bxd4 18.dxc6 bxc6 19.b4 Ne5 20.Be2 Be6 21.Rfc1 f5 
22.exf5 Bxf5 23.Rb3 g5 24.Bg3 Rab8 25.Rd1 Bb6 26.Bxe5 dxe5 27.Nxb6 Rxb6 
28.Rb2 Reb8 29.b5 cxb5 30.cxb5 a6 31.a4 axb5 32.Bxb5 Kg7 33.h3 Rd6 34.Rbd2
Rbd8 35.Rxd6 exd6 36.Bc6 Bc8 37.a5 Kf6 38.Ra1 Ba6 39.Rb1 Bd3 40.Rb6 Kf5 
41.g4+ Kf4 42.Rb4+ e4 43.a6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Barua, Dibyendu"]
[Black "Zuger, Beat"]
[Result "1/2-1/2"]
[BlackElo "2235"]
[ECO "B59"]
[EventDate "1980.08.17"]
[PlyCount "87"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 e5 7.Nb3 Be7 8.Be3 
O-O 9.O-O a5 10.Bf3 Be6 11.Nd5 a4 12.Nd2 Bxd5 13.exd5 Nb4 14.c4 Nd7 15.Be2
f5 16.Nf3 e4 17.Nd4 Nc5 18.Qd2 Nba6 19.Rab1 Qd7 20.b4 axb3 21.axb3 Bf6 22.
Bf4 Nc7 23.b4 N5a6 24.Ne6 Rfe8 25.Nxc7 Nxc7 26.c5 Be5 27.Bc4 Kh8 28.Rfd1 
Rad8 29.Be3 Nb5 30.Rbc1 Rf8 31.Bf4 Bxf4 32.Qxf4 h6 33.Be2 Nc7 34.c6 Qf7 
35.Bc4 b5 36.Bb3 Qf6 37.Qe3 Ra8 38.Qd4 Qxd4 39.Rxd4 Ra3 40.Rb1 Rfa8 41.Kf1
Ra1 42.Rdd1 Rxb1 43.Rxb1 Ra3 44.Ke2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Bates, Giles"]
[Black "Lirindzakis, Stayros"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1980.08.17"]
[PlyCount "45"]

1.e4 e6 2.c4 d5 3.exd5 exd5 4.cxd5 Qxd5 5.Nc3 Qd8 6.d4 Nf6 7.Nf3 Be7 8.Bc4
O-O 9.h3 Nbd7 10.O-O Nb6 11.Bb3 Nbd5 12.Bg5 Nxc3 13.bxc3 b6 14.Re1 Bb7 15.
Qd3 Bd5 16.Ne5 Qd6 17.c4 Bb7 18.Rad1 a5 19.a4 Nd5 20.c5 Qd8 21.c6 Ba6 22.
Bxe7 Nxe7 23.Qf3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Belkhodja, Slim"]
[Black "Rodas Maritni, Pablo"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1980.08.17"]
[PlyCount "94"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 Be7 5.g3 O-O 6.Bg2 c5 7.O-O Nc6 8.e5 Nd7 
9.Re1 Rb8 10.Nf1 b5 11.h4 Qc7 12.Bf4 Nb6 13.N1h2 d4 14.Ng5 Bxg5 15.hxg5 
Ne7 16.Qh5 Ng6 17.Ng4 Nd7 18.Be4 Bb7 19.Kg2 f5 20.gxf6 gxf6 21.Rh1 Ndxe5 
22.Bxe5 Bxe4+ 23.dxe4 fxe5 24.Rh2 Rb7 25.Rah1 Qg7 26.Qg5 Nf4+ 27.gxf4 exf4
28.Qxg7+ Rxg7 29.Kf3 c4 30.e5 Rd8 31.Nf6+ Kf7 32.Rd1 Rg5 33.Rxh7+ Kg6 34.
Rd7 Rh8 35.R1xd4 Rh3+ 36.Ke4 Rh2 37.Rd2 Rh1 38.Rxa7 Re1+ 39.Kf3 Rgxe5 40.
Ng4 Rh5 41.Rdd7 e5 42.Rg7+ Kf5 43.Raf7+ Ke6 44.Rf6+ Kd5 45.Rd7+ Kc5 46.
Rc7+ Kd5 47.Rfc6 e4+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Benjamin, Joel"]
[Black "Canda, Danilo"]
[Result "1-0"]
[WhiteElo "2350"]
[ECO "B23"]
[EventDate "1980.08.17"]
[PlyCount "121"]

1.e4 c5 2.Nc3 d6 3.f4 Nc6 4.Nf3 g6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.O-O Bg7 8.d3 
Nf6 9.Qe1 Qd7 10.Bd2 e6 11.Kh1 d5 12.a3 d4 13.Ne2 O-O 14.Qh4 Ne8 15.Ne5 
Qc7 16.Nxc6 Qxc6 17.f5 exf5 18.exf5 Bf6 19.Qg4 Ng7 20.Ng3 Kh8 21.Rf3 Be5 
22.Bh6 Nxf5 23.Nxf5 gxf5 24.Qxf5 Qxh6 25.Qxe5+ Qg7 26.Qxc5 Rac8 27.Qe7 
Rxc2 28.Rg3 Rfc8 29.Re1 Qh6 30.Qe8+ Qf8 31.Qe5+ f6 32.Qxd4 Rc1 33.Re3 Qh6 
34.h3 Rxe1+ 35.Rxe1 Rc1 36.Rg1 Rxg1+ 37.Kxg1 Qc1+ 38.Kf2 Kg7 39.Qg4+ Kh6 
40.Qd4 Kg7 41.Kg3 Qe1+ 42.Kh2 Qc1 43.a4 a6 44.h4 Kg6 45.Qg4+ Kh6 46.b4 
Qc7+ 47.Kh3 Qc1 48.Qe4 Qc8+ 49.Kg3 Qc2 50.a5 Qb1 51.Kg4 Qc2 52.Kf5 Qc3 53.
g4 Kg7 54.Qxb7+ Kg8 55.Qd5+ Kg7 56.Qd7+ Kg8 57.Qd6 Qb2 58.Ke6 Qe2+ 59.Kxf6
Qf3+ 60.Ke7 Qb7+ 61.Kd8 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Cauchy, Daniel"]
[Black "Allen, Keith"]
[Result "0-1"]
[ECO "B10"]
[EventDate "1980.08.17"]
[PlyCount "68"]

1.e4 c6 2.d3 e5 3.Nd2 g6 4.Ngf3 Bg7 5.Nb3 Ne7 6.Be3 O-O 7.d4 d5 8.exd5 e4 
9.Nfd2 Nxd5 10.h4 f5 11.Bg5 Qc7 12.h5 e3 13.Nf3 exf2+ 14.Kxf2 h6 15.Bd2 g5
16.Bc4 f4 17.Bxd5+ cxd5 18.Bb4 Re8 19.Re1 Rxe1 20.Kxe1 Bg4 21.Qd3 a5 22.
Bxa5 Rxa5 23.Nxa5 Qxa5+ 24.c3 Qb6 25.b4 Bxh5 26.Kd2 Nd7 27.Qf5 Qc6 28.Qd3 
Bg6 29.Qe2 Be4 30.a4 Nb6 31.b5 Nc4+ 32.Ke1 Qc7 33.Nd2 Nxd2 34.Kxd2 Bxd4 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Cuijpers, Franciscus"]
[Black "Tavares, Shawn"]
[Result "1-0"]
[ECO "B99"]
[EventDate "1980.08.17"]
[PlyCount "73"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.Qg3 b5 11.Bxb5 axb5 12.Ndxb5 Qb6 13.e5 dxe5 14.fxe5 O-O 
15.exf6 Nxf6 16.Rhf1 Ba6 17.Bxf6 Bxf6 18.Rxf6 Bxb5 19.Rf4 Be2 20.Re1 Bh5 
21.Qe3 Qc6 22.Qe4 Qa6 23.Qe5 Bg6 24.Ra4 Qc6 25.Rxa8 Rxa8 26.Qe2 Ra5 27.a4 
h6 28.g4 h5 29.h3 hxg4 30.hxg4 Rc5 31.Rd1 f6 32.Rd8+ Kf7 33.Qd1 Ke7 34.Rb8
Qc7 35.Qd4 Rxc3 36.Qb4+ Rc5 37.Rb7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Damljanovic, Branko"]
[Black "Balsinde Elias, Rolando"]
[Result "1/2-1/2"]
[WhiteElo "2335"]
[ECO "D63"]
[EventDate "1980.08.17"]
[PlyCount "66"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 Nbd7 8.Rc1 c6 
9.cxd5 exd5 10.Bd3 Ne4 11.Bg3 Ndf6 12.O-O Bf5 13.Qc2 Nxg3 14.hxg3 Bxd3 15.
Qxd3 Bd6 16.Ne2 Ne4 17.b4 a6 18.Qb3 g5 19.Rc2 h5 20.Ne5 Bxe5 21.dxe5 h4 
22.Nc3 hxg3 23.Nxe4 dxe4 24.fxg3 Qd3 25.Rc3 Qd5 26.Qxd5 cxd5 27.Rc7 Rac8 
28.Rfc1 Rxc7 29.Rxc7 Re8 30.Rxb7 Rxe5 31.a4 d4 32.exd4 Rd5 33.Kf2 Rxd4 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Fasheyitan, Olufemi"]
[Black "Hadi, Jardak"]
[Result "1/2-1/2"]
[ECO "D69"]
[EventDate "1980.08.17"]
[PlyCount "28"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.Nf3 Be7 6.e3 O-O 7.Rc1 c6 8.Bd3 
dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 13.dxe5 Nxe5 14.Nxe5 
Qxe5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Fowler, Jim"]
[Black "Corral Blanco, Juan Antonio"]
[Result "1/2-1/2"]
[ECO "A31"]
[EventDate "1980.08.17"]
[PlyCount "87"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 Nc6 4.d4 cxd4 5.Nxd4 a6 6.e4 d6 7.Be3 e6 8.Bd3 Be7
9.O-O O-O 10.a3 Bd7 11.Qc2 Rc8 12.h3 Ne5 13.Qe2 Qc7 14.Rac1 Nxd3 15.Qxd3 
Rfe8 16.Nce2 h6 17.Rfd1 b6 18.Nf3 Bc6 19.Ng3 Qb7 20.Nd2 Bf8 21.Qd4 b5 22.
Qb6 Nd7 23.Qxb7 Bxb7 24.cxb5 axb5 25.Nb3 Nc5 26.Nxc5 dxc5 27.b3 c4 28.bxc4
bxc4 29.Rc3 Ba6 30.e5 Bb7 31.Rd4 Bd5 32.Nh5 Ra8 33.Rg4 Kh8 34.Bc1 Reb8 35.
Nf4 Rb3 36.Nxd5 exd5 37.Rxb3 cxb3 38.Bb2 Rc8 39.Rg3 Rb8 40.Rd3 Rb5 41.Kf1 
g5 42.Ke2 Bg7 43.Kd1 Kh7 44.Kc1 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Gerbert, Philipp"]
[Black "Danailov, Silvio"]
[Result "1/2-1/2"]
[BlackElo "2295"]
[ECO "B53"]
[EventDate "1980.08.17"]
[PlyCount "35"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 a6 5.Be3 Nd7 6.Nc3 Ngf6 7.a4 e6 8.Nd2 d5
9.exd5 Bc5 10.Qf4 exd5 11.Nb3 Be7 12.Rd1 Nf8 13.Qd4 Ne6 14.Qd3 Bb4 15.Be2 
Bd7 16.O-O Bxc3 17.Qxc3 Bxa4 18.Qb4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Grant, Conrad"]
[Black "McNab, Colin Anderson"]
[Result "0-1"]
[ECO "B12"]
[EventDate "1980.08.17"]
[PlyCount "42"]

1.e4 c6 2.d4 d5 3.e5 Bf5 4.g4 Be4 5.f3 Bg6 6.Bd3 e6 7.Be3 Be7 8.Ne2 Nd7 9.
Nbc3 a6 10.Qd2 c5 11.f4 c4 12.Bxg6 hxg6 13.O-O-O b5 14.Nb1 b4 15.c3 Qa5 
16.cxb4 Qxa2 17.Nbc3 Qb3 18.Kb1 Bxb4 19.Nc1 Bxc3 20.Nxb3 Bxd2 21.Nxd2 Rh3 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Hansen, Curt"]
[Black "Lima, Darcy"]
[Result "1/2-1/2"]
[ECO "B23"]
[EventDate "1980.08.17"]
[PlyCount "35"]

1.e4 c5 2.Nc3 Nc6 3.f4 e6 4.Nf3 a6 5.g3 d5 6.Bg2 d4 7.Ne2 d3 8.cxd3 Nb4 9.
Ne5 Nxd3+ 10.Nxd3 Qxd3 11.b3 h5 12.Bb2 Nf6 13.Qb1 Qxb1+ 14.Rxb1 Bd7 15.e5 
Nd5 16.O-O Rd8 17.Bxd5 exd5 18.d4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Karolyi, Tibor"]
[Black "Short, Nigel David"]
[Result "0-1"]
[WhiteElo "2300"]
[BlackElo "2360"]
[ECO "B07"]
[EventDate "1980.08.17"]
[PlyCount "114"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.c3 Nf6 5.Bd3 O-O 6.O-O Nc6 7.Bg5 h6 8.Bh4 g5 
9.Bg3 Nh5 10.Na3 e5 11.dxe5 dxe5 12.Bb5 Qf6 13.Bxe5 Nxe5 14.Nxe5 Qxe5 15.
Qxh5 Qxe4 16.Rfe1 Qf4 17.Qe2 c6 18.Bd3 Be6 19.g3 Qf6 20.Nc2 Rfe8 21.Qe4 
Kf8 22.Qh7 Bh3 23.Nd4 Rad8 24.Rxe8+ Rxe8 25.Nf5 Re5 26.Nxg7 Qxg7 27.Qxg7+ 
Kxg7 28.Rd1 Bg4 29.Rd2 Be6 30.c4 Re1+ 31.Kg2 Rc1 32.b3 a5 33.Rc2 Rd1 34.
Be2 Rb1 35.Kf3 Kf6 36.Bd3 Ke5 37.Ke3 g4 38.Be2 c5 39.Rd2 b6 40.Rd8 Rb2 41.
Rb8 Rxa2 42.Rxb6 a4 43.bxa4 Ra3+ 44.Kd2 Rxa4 45.Rb8 Ra2+ 46.Ke3 Ra3+ 47.
Kd2 Ke4 48.Rh8 Ra2+ 49.Ke1 Kd4 50.Rxh6 Kc3 51.f3 gxf3 52.Bxf3 Kxc4 53.h4 
Kd4 54.Bd1 c4 55.Rf6 c3 56.Rf2 Ra1 57.Rf4+ Kd3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Kasparov, Garry"]
[Black "Morovic Fernandez, Ivan"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2380"]
[ECO "A48"]
[EventDate "1980.08.17"]
[PlyCount "28"]

1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.Nbd2 O-O 5.c3 d6 6.e4 c5 7.dxc5 dxc5 8.Be2 
Nc6 9.O-O b6 10.Qc2 Bb7 11.Bh4 Nh5 12.Rfd1 Qc7 13.Nc4 Bf6 14.Ne3 e6 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Kaspret, Guido"]
[Black "Sequeira, Fernando"]
[Result "1-0"]
[ECO "E91"]
[EventDate "1980.08.17"]
[PlyCount "113"]

1.d4 Nf6 2.c4 c5 3.Nf3 g6 4.d5 d6 5.Nc3 Bg7 6.e4 O-O 7.Be2 e5 8.dxe6 Bxe6 
9.O-O Nc6 10.Bf4 Ne8 11.Qd2 Be5 12.Rad1 Qa5 13.Bh6 Bg7 14.Bxg7 Kxg7 15.Nb5
a6 16.Qc3+ Qxc3 17.Nxc3 Rb8 18.h3 f6 19.Rd2 Rf7 20.Rfd1 Re7 21.b3 Na7 22.
Bf1 Nc6 23.Ne1 Nd4 24.Nc2 Nxc2 25.Rxc2 Bd7 26.f3 Bc6 27.a3 b6 28.b4 b5 29.
cxb5 axb5 30.a4 cxb4 31.Nxb5 Bxb5 32.axb5 Ra7 33.Rb2 Ra4 34.Rd4 Rb6 35.
Rdxb4 Rxb4 36.Rxb4 Nc7 37.Rc4 Rb7 38.Bd3 Kf7 39.Rb4 Rb6 40.Kf2 Ke7 41.h4 
d5 42.exd5 Nxd5 43.Re4+ Kd6 44.Re8 Nc3 45.Rd8+ Kc5 46.Rd7 Rd6 47.Rc7+ Kb4 
48.Bf1 h5 49.Rc4+ Kb3 50.Rc6 Rxc6 51.bxc6 Nd5 52.Bd3 f5 53.g4 Kb4 54.gxf5 
gxf5 55.Bxf5 Kc5 56.Be4 Ne7 57.Ke3 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Lasar, Yves"]
[Black "Long, Peter"]
[Result "1-0"]
[ECO "A59"]
[EventDate "1980.08.17"]
[PlyCount "62"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 g6 7.Nf3 Bg7 8.e4 
Bxf1 9.Kxf1 d6 10.g3 O-O 11.Kg2 Nbd7 12.h3 Qa5 13.Re1 Rfb8 14.Re2 Ne8 15.
Bf4 Rxb2 16.Rxb2 Bxc3 17.Bd2 Bxb2 18.Bxa5 Bxa1 19.Qxa1 Rxa5 20.Qb2 Nef6 
21.e5 dxe5 22.Nxe5 Nxe5 23.Qxe5 Kg7 24.g4 h6 25.h4 g5 26.hxg5 hxg5 27.d6 
exd6 28.Qxg5+ Kf8 29.Qxf6 Ra6 30.g5 Ke8 31.Qb2 Ra8 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Morales Moreno, Humberto"]
[Black "Arnason, Jon"]
[Result "1/2-1/2"]
[BlackElo "2435"]
[ECO "A30"]
[EventDate "1980.08.17"]
[PlyCount "66"]

1.Nf3 c5 2.c4 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc6 6.Nc3 Nc7 7.Qa4 Bd7 8.Qe4 
g6 9.Ne5 Bg7 10.Nxd7 Qxd7 11.O-O O-O 12.Rb1 Rac8 13.d3 Ne6 14.Be3 b6 15.
Qa4 Rfd8 16.Rfc1 h6 17.a3 Ned4 18.Bxd4 Bxd4 19.Rc2 Bg7 20.Bxc6 Rxc6 21.Ne4
Qb7 22.b4 Rd4 23.Rbc1 b5 24.Qb3 c4 25.Qa2 Qc8 26.Nd2 Qe6 27.Nf3 Rd7 28.
dxc4 bxc4 29.Rxc4 Bb2 30.R1c2 Rd1+ 31.Kg2 g5 32.b5 Rc5 33.h3 Rxc4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Negulescu, Adrian"]
[Black "Hjorth, Gregory"]
[Result "1/2-1/2"]
[WhiteElo "2410"]
[ECO "A10"]
[EventDate "1980.08.17"]
[PlyCount "43"]

1.c4 e6 2.Nf3 f5 3.Nc3 Nf6 4.g3 Bb4 5.Qc2 O-O 6.Bg2 Bxc3 7.Qxc3 d6 8.O-O 
Nbd7 9.b3 e5 10.Bb2 Rb8 11.Qc2 f4 12.Ng5 Qe8 13.Bd5+ Kh8 14.Ne6 Qh5 15.
Nxf8 Nxf8 16.Bg2 Bh3 17.f3 fxg3 18.hxg3 Ne6 19.Kf2 Nf4 20.gxf4 Qh4+ 21.Kg1
Bxg2 22.Kxg2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Pajak, Jan"]
[Black "Borg, Geoffrey"]
[Result "1-0"]
[ECO "A17"]
[EventDate "1980.08.17"]
[PlyCount "93"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.d3 d5 6.a3 Bxc3+ 7.Qxc3 d4 8.Qc2 
e5 9.g3 a5 10.b3 O-O 11.Bg2 Re8 12.Bg5 h6 13.Bxf6 Qxf6 14.O-O Bd7 15.Rab1 
Qe7 16.Qb2 Ra7 17.Rfe1 Qd6 18.Rbd1 Raa8 19.Rb1 Ra7 20.Red1 Rb8 21.Nd2 f5 
22.Rdc1 Ne7 23.Rc2 c5 24.b4 axb4 25.axb4 cxb4 26.Qxb4 Qxb4 27.Rxb4 Ra1+ 
28.Nb1 b5 29.f4 exf4 30.Rcb2 fxg3 31.hxg3 Ra5 32.Nd2 Nc6 33.Bxc6 Bxc6 34.
Nb3 Ra6 35.Nxd4 Bd7 36.Kf2 Rf8 37.Nxb5 f4 38.gxf4 Rxf4+ 39.Ke3 Rh4 40.Nd4 
Rg6 41.c5 Rg3+ 42.Kd2 Rgg4 43.Kc3 Rh5 44.Rc4 Rgg5 45.c6 Bh3 46.c7 Rc5 47.
Rb8+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Santo-Roman, Marc"]
[Black "Obando, Arnoldo"]
[Result "1-0"]
[WhiteElo "2205"]
[ECO "C68"]
[EventDate "1980.08.17"]
[PlyCount "51"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Bg4 6.h3 h5 7.d3 Qf6 8.Nbd2 
Bd6 9.Re1 Ne7 10.hxg4 hxg4 11.Nh2 Bc5 12.Nxg4 Qh4 13.Kf1 Qh1+ 14.Ke2 Qh5 
15.f3 f5 16.exf5 O-O-O 17.Ne4 Nxf5 18.Bg5 Rd4 19.Qd2 Rf8 20.c3 Rd5 21.Kd1 
Bb6 22.Kc2 Qe8 23.Ne3 Nxe3+ 24.Bxe3 c5 25.c4 Rd8 26.Bxc5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Shrentzel, Mordechai"]
[Black "Tovillas, Daniel"]
[Result "0-1"]
[ECO "A30"]
[EventDate "1980.08.17"]
[PlyCount "112"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O c5 5.c4 g6 6.b3 Bg7 7.Bb2 O-O 8.Nc3 Na6 
9.d3 d5 10.Nd2 e6 11.e4 d4 12.Ne2 Qc7 13.h3 Nb4 14.Qb1 Nd7 15.a3 Nc6 16.f4
f5 17.e5 g5 18.Nf3 gxf4 19.gxf4 Kh8 20.Qe1 Qd8 21.b4 Rg8 22.Kh1 Bh6 23.b5 
Na5 24.Rg1 a6 25.bxa6 Rxa6 26.Qf2 Nf8 27.Qh4 Qxh4 28.Nxh4 Bxg2+ 29.Rxg2 
Rxg2 30.Kxg2 Nb3 31.Ra2 Nd7 32.Kf3 Ra4 33.Ng2 Kg7 34.Kf2 Kf7 35.Ne1 Ke7 
36.Nc2 Kd8 37.Na1 Na5 38.Bc1 Kc7 39.Bd2 Nc6 40.Nc1 Nf8 41.Nab3 Nd7 42.Ra1 
Na7 43.Ra2 Bf8 44.Ne2 b5 45.Nexd4 cxd4 46.Nxd4 Bc5 47.Be3 Bxd4 48.Bxd4 Nc6
49.Be3 bxc4 50.dxc4 Rxc4 51.Ra1 Ne7 52.Rc1 Rxc1 53.Bxc1 Kc6 54.a4 Nc5 55.
Ba3 Ne4+ 56.Kf3 Nd5 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Stigar, Petter"]
[Black "Akesson, Ralf"]
[Result "1/2-1/2"]
[BlackElo "2230"]
[ECO "A81"]
[EventDate "1980.08.17"]
[PlyCount "117"]

1.d4 f5 2.g3 Nf6 3.Bg2 g6 4.Nf3 Bg7 5.O-O O-O 6.Nc3 d6 7.Re1 Nh5 8.e4 f4 
9.e5 Bg4 10.Nd5 Nc6 11.Bxf4 e6 12.Bg5 Bxf3 13.Bxf3 Qxg5 14.Nxc7 dxe5 15.
Nxa8 Rxa8 16.Bxc6 bxc6 17.dxe5 Rf8 18.h4 Qf5 19.Qe2 Bxe5 20.Rad1 Bc7 21.
Qxe6+ Qxe6 22.Rxe6 Bb6 23.Rd2 Nxg3 24.Kg2 Nf5 25.h5 Nd4 26.Rd6 Nf3 27.Re2 
gxh5 28.Rxc6 Nd4 29.Rxb6 axb6 30.Rd2 Rf4 31.c3 Rg4+ 32.Kh3 Nf3 33.Rd6 Ng1+
34.Kh2 h4 35.Rxb6 h3 36.Rf6 Kg7 37.Rf5 Kg6 38.Rf8 Rg2+ 39.Kh1 Kg5 40.a4 
Kg4 41.a5 Ne2 42.a6 Rg1+ 43.Kh2 Ra1 44.f3+ Kh4 45.Rf7 h5 46.a7 Rf1 47.Rf4+
Nxf4 48.a8=Q Rf2+ 49.Kh1 Kg3 50.Qg8+ Kxf3 51.Qa8+ Ke3 52.Qa7+ Ke2 53.b4 
Rg2 54.Qa2+ Kf3 55.Qa8+ Kg3 56.Qg8+ Kf2 57.Qf7 Rg1+ 58.Kh2 Rg2+ 59.Kh1 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Tassi, Oliviero"]
[Black "Utut Adianto"]
[Result "0-1"]
[ECO "A19"]
[EventDate "1980.08.17"]
[PlyCount "72"]

1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3 Nc6 6.d4 cxd4 7.Nxd4 Nxe5 8.Ndb5 
a6 9.Nd6+ Bxd6 10.Qxd6 Ng6 11.Be3 Qe7 12.Qb6 Qd8 13.Qb4 N8e7 14.Bd3 O-O 
15.Rd1 Ne5 16.Be2 N5c6 17.Qb3 Nf5 18.Bb6 Qf6 19.Na4 d5 20.O-O Ncd4 21.Qd3 
dxc4 22.Qxc4 e5 23.Rfe1 Be6 24.Qc7 Bxa2 25.Nc5 Rad8 26.Bd3 Nh4 27.Re3 Bd5 
28.Nd7 Qg5 29.Rg3 Rxd7 30.Qxd7 Qh5 31.Qg4 Nhf3+ 32.gxf3 Nxf3+ 33.Kg2 Nxh2+
34.f3 Nxg4 35.Rh1 Qxh1+ 36.Kxh1 Nf6 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Tempone, Marcelo"]
[Black "Toro Sanchez, Bernardo"]
[Result "1-0"]
[WhiteElo "2235"]
[BlackElo "2265"]
[ECO "A06"]
[EventDate "1980.08.17"]
[PlyCount "113"]

1.Nf3 d5 2.b3 Nf6 3.Bb2 e6 4.e3 Be7 5.c4 O-O 6.Nc3 c5 7.d4 Nc6 8.Be2 b6 9.
O-O Bb7 10.Rc1 cxd4 11.exd4 Rc8 12.Re1 dxc4 13.Bxc4 Nb4 14.Ne5 Nbd5 15.Ne2
Ne4 16.Ng3 Nd6 17.Bf1 Bg5 18.Rxc8 Qxc8 19.Qg4 Bh6 20.Ba3 Nf6 21.Qh4 Rd8 
22.Bd3 Bd5 23.Nh5 Nxh5 24.Qxh5 f6 25.Ng4 Nf7 26.Be7 Qc3 27.Rd1 Rc8 28.h3 
f5 29.Nxh6+ Nxh6 30.Bg5 Qc6 31.Bxh6 gxh6 32.Qxh6 Rc7 33.Bf1 Qd7 34.Qg5+ 
Kf8 35.Qf6+ Qf7 36.Qd8+ Kg7 37.Qg5+ Kf8 38.Be2 Qe7 39.Qf4 Qg7 40.Bf3 Bxf3 
41.Qxf3 Rd7 42.d5 Rxd5 43.Rxd5 exd5 44.Qxf5+ Ke7 45.Qxd5 Qa1+ 46.Kh2 Qxa2 
47.Qe5+ Kd7 48.Qd4+ Kc6 49.Qc4+ Kd6 50.Kg3 a6 51.Qb4+ Kc7 52.f4 Qc2 53.
Qe7+ Kc6 54.Qe8+ Kc7 55.Qe5+ Kc6 56.Qe6+ Kb5 57.Qd5+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Valkesalmi, Kimmo"]
[Black "Bischoff, Klaus"]
[Result "0-1"]
[ECO "B02"]
[EventDate "1980.08.17"]
[PlyCount "84"]

1.e4 Nf6 2.e5 Nd5 3.Nc3 Nxc3 4.dxc3 d6 5.Bf4 Nc6 6.Nf3 g6 7.Bc4 Bg7 8.Qe2 
O-O 9.h3 Na5 10.Bd3 dxe5 11.Nxe5 Qe8 12.O-O a6 13.Nf3 c5 14.Bc7 Qa4 15.
Qxe7 c4 16.b3 Qb5 17.bxc4 Qh5 18.Nd4 Nc6 19.Be2 Nxe7 20.Bxh5 gxh5 21.Bd6 
Re8 22.Rfe1 Be6 23.Rab1 Nf5 24.Nxe6 Rxe6 25.Rxe6 fxe6 26.Bc7 b5 27.cxb5 
axb5 28.Rxb5 Rxa2 29.g4 hxg4 30.hxg4 Ne7 31.Bd6 Kf7 32.Rb7 Bf6 33.f4 h6 
34.Bxe7 Bxe7 35.g5 hxg5 36.fxg5 Ra5 37.g6+ Kf6 38.Kf2 Rg5 39.Kf3 Rxg6 40.
Rd7 Rg1 41.c4 Ra1 42.Ke2 Ra3 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Ye Rongguang"]
[Black "Weider, Dariusz"]
[Result "1/2-1/2"]
[ECO "C11"]
[EventDate "1980.08.17"]
[PlyCount "48"]

1.d4 Nf6 2.Nc3 d5 3.Bg5 e6 4.e4 dxe4 5.Nxe4 Nbd7 6.Nf3 Be7 7.Nxf6+ Nxf6 8.
Bd3 O-O 9.O-O h6 10.Bh4 b6 11.Qe2 Bb7 12.Rad1 Nh5 13.Bxe7 Qxe7 14.Be4 Nf4 
15.Qe3 Nd5 16.Qb3 c6 17.Ne5 Rfc8 18.Rfe1 Nf6 19.Bf3 c5 20.c3 Bxf3 21.Nxf3 
Rd8 22.d5 Rd6 23.g3 Re8 24.dxe6 Rxe6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Yoshida, Tetsuo"]
[Black "Valiente, Cristobal"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "76"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bc4 Nf6 5.Qe2 c6 6.Bb3 O-O 7.O-O Bg4 8.Nbd2 e5
9.dxe5 dxe5 10.h3 Bxf3 11.Qxf3 Nbd7 12.Nc4 b5 13.Nd6 Nc5 14.Rd1 Qe7 15.Be3
Ne6 16.c4 Rad8 17.c5 Ne8 18.Nxe8 Rfxe8 19.Rac1 Nd4 20.Bxd4 exd4 21.Rc2 Be5
22.a4 a6 23.g3 Kg7 24.Kg2 Rd7 25.Qe2 Bc7 26.f4 Qxe4+ 27.Qxe4 Rxe4 28.Rcd2 
Ba5 29.Rd3 Re2+ 30.Kf1 Rxb2 31.Ra1 Bc3 32.axb5 Rxb3 33.bxc6 Rc7 34.Rxa6 
Rb5 35.Ke2 Rxc5 36.Kf3 R5xc6 37.Ra4 Re7 38.g4 Rce6 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "12"]
[White "Zabihi, Ali"]
[Black "Guerra Osio, Jose Luis"]
[Result "1-0"]
[ECO "E16"]
[EventDate "1980.08.17"]
[PlyCount "97"]

1.Nf3 Nf6 2.c4 b6 3.d4 e6 4.g3 Bb7 5.Bg2 Bb4+ 6.Bd2 Be7 7.Nc3 Na6 8.O-O 
O-O 9.Rc1 c5 10.d5 exd5 11.Ne1 Nc7 12.Bg5 Rb8 13.Bxf6 Bxf6 14.cxd5 d6 15.
e4 b5 16.b3 Na8 17.Nf3 b4 18.Nb1 Rc8 19.Nfd2 Nb6 20.Re1 Ba6 21.Bf1 Bxf1 
22.Kxf1 a5 23.Nc4 Nxc4 24.Rxc4 a4 25.Re2 axb3 26.axb3 Ra8 27.Rc1 Re8 28.
Nd2 Bb2 29.Rb1 Bd4 30.Nc4 Qf6 31.Qd3 Ra7 32.Rc1 Rea8 33.Kg2 Ra1 34.Rxa1 
Rxa1 35.Rc2 g5 36.Ne3 h5 37.Nf5 Be5 38.Re2 h4 39.h3 hxg3 40.fxg3 Bd4 41.
Rd2 Rg1+ 42.Kh2 Ra1 43.Qe2 Bg1+ 44.Kg2 c4 45.Qxc4 Bc5 46.Qe2 Rg1+ 47.Kf3 
Qc3+ 48.Kg4 Qxb3 49.Qb5 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Utut Adianto"]
[Black "Hansen, Curt"]
[Result "0-1"]
[ECO "B94"]
[EventDate "1980.08.17"]
[PlyCount "84"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.Bc4 Qa5 8.Qd2 
e6 9.O-O-O b5 10.Bb3 Bb7 11.Rhe1 O-O-O 12.f3 Be7 13.Kb1 Kb8 14.Be3 Rc8 15.
Bg1 Nc5 16.Qe3 Nfd7 17.Rc1 Nb6 18.Qf4 Rhf8 19.Nf5 exf5 20.exf5 b4 21.Rxe7 
bxc3 22.Qxd6+ Ka8 23.Re5 Nxb3 24.axb3 Nd5 25.Qa3 Qxa3 26.bxa3 Rfe8 27.Rce1
Bc6 28.Bd4 Rxe5 29.Rxe5 f6 30.Re1 Re8 31.Re6 Kb7 32.g3 Rxe6 33.fxe6 Kc7 
34.Bc5 Bb7 35.f4 g6 36.Kc1 Bc8 37.e7 Kd7 38.Kd1 Nxe7 39.Ke2 Nd5 40.Kd3 Kc6
41.Bd4 Bf5+ 42.Kc4 Bxc2 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Akesson, Ralf"]
[Black "Gerbert, Philipp"]
[Result "1/2-1/2"]
[WhiteElo "2230"]
[ECO "E91"]
[EventDate "1980.08.17"]
[PlyCount "112"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Be2 O-O 6.Nf3 Bg4 7.Be3 Nfd7 8.Rc1 e5
9.d5 a5 10.O-O Na6 11.Ne1 Bxe2 12.Qxe2 f5 13.exf5 gxf5 14.f4 Nac5 15.Nf3 
Qe7 16.Qc2 Rae8 17.Rce1 Qf6 18.Re2 exf4 19.Bd4 Qg6 20.Bxg7 Qxg7 21.Rxe8 
Rxe8 22.Qxf5 Rf8 23.Qh5 Ne5 24.Nxe5 Qxe5 25.Qxe5 dxe5 26.Re1 Re8 27.Ne4 
Nxe4 28.Rxe4 Kf7 29.Kf2 Kf6 30.g3 fxg3+ 31.hxg3 b6 32.Rh4 Re7 33.Kf3 Kg5 
34.Ke4 h5 35.b3 Rf7 36.Kxe5 Rf3 37.Ke6 Rxg3 38.Re4 Rg4 39.Re5+ Kh6 40.Kd7 
Rg7+ 41.Kc6 h4 42.a4 Rh7 43.Re1 Kg5 44.d6 cxd6 45.Kxb6 h3 46.Kxa5 Rb7 47.
Rb1 h2 48.Rh1 Rxb3 49.Rxh2 Kf6 50.Rh5 Ke6 51.Rb5 Rc3 52.Rb4 Kd7 53.Kb6 Kc8
54.Kc6 Rd3 55.a5 Ra3 56.Rb5 Ra4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Allen, Keith"]
[Black "Yoshida, Tetsuo"]
[Result "1-0"]
[ECO "E15"]
[EventDate "1980.08.17"]
[PlyCount "93"]

1.d4 Nf6 2.c4 c5 3.Nf3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O cxd4 7.Nxd4 Bxg2 8.Kxg2 
Nc6 9.Nb5 d6 10.Bf4 e5 11.Bg5 a6 12.N5c3 Be7 13.Qa4 Qd7 14.Bxf6 Bxf6 15.
Nd5 Bd8 16.Nbc3 h5 17.h4 Nd4 18.e3 Nf5 19.Rfd1 Rh6 20.Qxd7+ Kxd7 21.Rac1 
Rg6 22.Kf3 Rc8 23.Na4 Rc6 24.Nb4 Rc8 25.c5 a5 26.c6+ Ke8 27.Nd5 Ne7 28.c7 
e4+ 29.Ke2 Bxc7 30.Nxc7+ Kd8 31.Nb5 d5 32.Rxc8+ Kxc8 33.Nac3 Kb7 34.Nxd5 
Nc6 35.Nf4 Rf6 36.Rd7+ Kb8 37.Nd6 Ne5 38.Re7 Nc6 39.Re8+ Kc7 40.Nxe4 Rf5 
41.Nc3 Kd7 42.Rg8 g6 43.Nfd5 b5 44.e4 Re5 45.Kd3 b4 46.Na4 f5 47.Nab6+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Arnason, Jon"]
[Black "Stigar, Petter"]
[Result "1-0"]
[WhiteElo "2435"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "109"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 c6 5.Nf3 Bg4 6.Be3 Qb6 7.Qd2 Bxf3 8.gxf3 
Nd7 9.O-O-O Qa5 10.Kb1 b5 11.e5 Nb6 12.b3 f5 13.Bd3 b4 14.Ne2 Nd5 15.h4 
Nc3+ 16.Nxc3 bxc3 17.Qe1 e6 18.Bc1 d5 19.Bb2 Qb6 20.Bxc3 h5 21.Rg1 Kf7 22.
Bb4 Bf8 23.Bxf8 Rxf8 24.Qg3 Ne7 25.Qg5 Ke8 26.c4 Kd7 27.Bf1 Rc8 28.Rg2 
Rhe8 29.Rc2 a5 30.Rb2 Qb4 31.Rc1 Rb8 32.Qg3 a4 33.Qe1 Qxe1 34.Rxe1 a3 35.
Rc2 Rb4 36.Rec1 Rc8 37.Rg2 Rc7 38.Kc2 Rcb7 39.Kc3 Rb8 40.Rgc2 R8b7 41.Bd3 
Rb8 42.Rb1 R8b7 43.Rg1 Rb8 44.Rcg2 R4b7 45.Rb1 Rb4 46.Rc1 R8b7 47.c5 Ke8 
48.Rcg1 Rb8 49.Ba6 Kf7 50.Rg5 Kg7 51.Rxh5 Rxb3+ 52.axb3 a2 53.Rhg5 Ra8 54.
Ra1 Rxa6 55.Rg2 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Balsinde Elias, Rolando"]
[Black "Benjamin, Joel"]
[Result "1/2-1/2"]
[BlackElo "2350"]
[ECO "E18"]
[EventDate "1980.08.17"]
[PlyCount "30"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Nxe4 
Bxe4 9.Ne1 Bxg2 10.Nxg2 d5 11.cxd5 exd5 12.Nf4 c6 13.Qa4 Re8 14.Re1 Bd6 
15.Nd3 a5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Bischoff, Klaus"]
[Black "Tempone, Marcelo"]
[Result "1-0"]
[BlackElo "2235"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "99"]

1.e4 c5 2.Nf3 Nc6 3.c3 Nf6 4.e5 Nd5 5.Na3 d6 6.Nc4 Nb6 7.exd6 exd6 8.d4 d5
9.Nce5 Be6 10.Bb5 Rc8 11.O-O Bd6 12.Ng5 Bxe5 13.dxe5 Qe7 14.f4 g6 15.Be3 
Nd7 16.Qe1 a6 17.Ba4 Nb6 18.Bb3 h6 19.Nf3 Nd7 20.Rd1 c4 21.Bc2 Nc5 22.Bf2 
Kd7 23.Qe3 b6 24.Bh4 Qf8 25.b4 cxb3 26.axb3 Kc7 27.b4 Nd7 28.Ra1 Ra8 29.
Bf2 Qe7 30.Ra3 Kb7 31.Rfa1 Qd8 32.b5 Na5 33.bxa6+ Rxa6 34.Bd3 Ra8 35.Nd4 
Qe7 36.Nb5 Rhb8 37.Nd6+ Kc7 38.Bb5 Kd8 39.Qd3 f5 40.Bc6 Ra7 41.Bxd5 Rc7 
42.Bxe6 Qxe6 43.Bxb6 Rxb6 44.Rxa5 Ke7 45.Ra8 Rb8 46.Rxb8 Nxb8 47.Qb5 Nc6 
48.Ra8 Kd7 49.c4 g5 50.Re8 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Canda, Danilo"]
[Black "Atalik, Suat"]
[Result "1-0"]
[ECO "B11"]
[EventDate "1980.08.17"]
[PlyCount "61"]

1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bh5 5.exd5 cxd5 6.Bb5+ Nc6 7.g4 Bg6 8.Ne5 
Rc8 9.d4 e6 10.Bf4 Bb4 11.Nxc6 bxc6 12.Ba6 Be4 13.f3 Qh4+ 14.Ke2 Rd8 15.
fxe4 Bxc3 16.bxc3 dxe4 17.Qd2 Ne7 18.Bg5 Qg3 19.Qe3 Qc7 20.Bxe7 Qxe7 21.
Qxe4 O-O 22.Bd3 g6 23.h4 Qa3 24.h5 Qxc3 25.hxg6 Qxd4 26.Rxh7 Qxa1 27.gxf7+
Rxf7 28.Qg6+ Qg7 29.Rxg7+ Rxg7 30.Qxe6+ Kh8 31.Qh6+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Cauchy, Daniel"]
[Black "Fasheyitan, Olufemi"]
[Result "1/2-1/2"]
[ECO "A08"]
[EventDate "1980.08.17"]
[PlyCount "21"]

1.Nf3 d5 2.g3 Nf6 3.Bg2 c5 4.d3 Nc6 5.O-O Bf5 6.Nbd2 e6 7.Re1 Be7 8.c3 O-O
9.Nh4 Bg4 10.f3 Bh5 11.Bh3 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Cuijpers, Franciscus"]
[Black "Damljanovic, Branko"]
[Result "0-1"]
[BlackElo "2335"]
[ECO "B66"]
[EventDate "1980.08.17"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
h6 9.Bf4 Bd7 10.Nxc6 Bxc6 11.f3 d5 12.Qe1 Bb4 13.a3 Ba5 14.b4 Bb6 15.exd5 
Bxd5 16.Bc4 O-O 17.Be5 a5 18.Qg3 axb4 19.axb4 Be3+ 20.Kb1 Nh5 21.Qg4 Nf6 
22.Qg3 Nh5 23.Qg4 Nf6 24.Qh4 Bg5 25.Qd4 Bxc4 26.Qxc4 Qb6 27.f4 Rfc8 28.Qb3
Qa6 29.Na2 Ng4 30.fxg5 Nxe5 31.gxh6 Nc4 32.b5 Qa5 33.c3 Rc5 34.Rhe1 Rxb5 
35.Nb4 Nd2+ 36.Rxd2 Qa1+ 37.Kc2 Qxe1 38.Qc4 Rba5 39.hxg7 Ra1 40.Re2 Qd1+ 
0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Lima, Darcy"]
[Black "Barua, Dibyendu"]
[Result "0-1"]
[ECO "A25"]
[EventDate "1980.08.17"]
[PlyCount "116"]

1.c4 e5 2.g3 Nf6 3.Bg2 Nc6 4.Nc3 Be7 5.e3 O-O 6.Nge2 d6 7.O-O Be6 8.Nd5 a5
9.d3 Rb8 10.a3 Qd7 11.Re1 Bh3 12.Bh1 Nd8 13.b4 Nxd5 14.cxd5 axb4 15.axb4 
Qb5 16.Rb1 f6 17.Nc3 Qd7 18.b5 Nf7 19.f4 Kh8 20.b6 cxb6 21.Na4 Nh6 22.Nxb6
Qc7 23.Ba3 f5 24.Qa4 Qc3 25.fxe5 Ng4 26.Bb4 Qc7 27.exd6 Bxd6 28.Bxd6 Qxd6 
29.Qb4 Qh6 30.Qf4 g5 31.Qd4+ Kg8 32.d6 Bg2 33.Bxg2 Qxh2+ 34.Kf1 Qxg3 35.
Qb2 Nh2+ 36.Ke2 Qxg2+ 37.Kd1 Qf3+ 38.Qe2 Rbd8 39.d7 g4 40.Rc1 g3 41.Qxf3 
Nxf3 42.Re2 h5 43.Rg2 h4 44.Ke2 Ne5 45.Rh1 f4 46.exf4 Ng6 47.Ke3 Nxf4 48.
Rgg1 Ng6 49.Kd4 Rf6 50.Kc5 Rc6+ 51.Kb5 Rd6 52.Re1 Kg7 53.Re3 Kf6 54.Re8 
Rxb6+ 55.Kxb6 Rxd7 56.Re3 Kg5 57.Kc5 Nf4 58.d4 g2 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Hjorth, Gregory"]
[Black "Short, Nigel David"]
[Result "1/2-1/2"]
[BlackElo "2360"]
[ECO "B06"]
[EventDate "1980.08.17"]
[PlyCount "22"]

1.e4 g6 2.d4 Bg7 3.g3 d6 4.Bg2 Nf6 5.Ne2 O-O 6.O-O e5 7.Nbc3 Nc6 8.dxe5 
dxe5 9.Bg5 Bg4 10.h3 Bxe2 11.Nxe2 h6 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "James, Stephen"]
[Black "Borg, Geoffrey"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1980.08.17"]
[PlyCount "47"]

1.g3 Nf6 2.Bg2 d5 3.Nf3 Bf5 4.O-O c6 5.d3 Nbd7 6.Nc3 e5 7.Nd2 Bc5 8.Qe1 
O-O 9.e4 dxe4 10.Ndxe4 Bd4 11.Nxf6+ Nxf6 12.Ne4 Nxe4 13.dxe4 Be6 14.c3 Bb6
15.Qe2 Qe7 16.b3 Rfd8 17.Bb2 Rd7 18.Rfd1 Rad8 19.Bf3 Qc5 20.Qc2 a5 21.Rxd7
Rxd7 22.Rd1 Rxd1+ 23.Bxd1 h6 24.Bc1 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Kasparov, Garry"]
[Black "Karolyi, Tibor"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2300"]
[ECO "E12"]
[EventDate "1980.08.17"]
[PlyCount "55"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.e3 Be7 8.Bb5+ c6
9.Bd3 O-O 10.e4 Nxc3 11.bxc3 c5 12.O-O cxd4 13.cxd4 Nc6 14.Be3 Rc8 15.Ra2 
Bf6 16.Bb1 g6 17.Qd3 Qd7 18.Rd2 Rfd8 19.Qe2 Na5 20.Ne5 Bxe5 21.dxe5 Qc7 
22.Rxd8+ Rxd8 23.Bg5 Rd4 24.Qe3 Qxe5 25.f4 Qd6 26.Be7 Qd7 27.Bf6 Rd1 28.
Bc2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Kaspret, Guido"]
[Black "Bates, Giles"]
[Result "0-1"]
[ECO "A40"]
[EventDate "1980.08.17"]
[PlyCount "76"]

1.c4 g6 2.Nc3 Bg7 3.d4 c5 4.Nf3 cxd4 5.Nxd4 a6 6.e4 e6 7.Be2 Ne7 8.Be3 O-O
9.h4 d5 10.cxd5 exd5 11.h5 dxe4 12.hxg6 hxg6 13.Qa4 Nd5 14.Nxd5 Qxd5 15.
Rd1 Bd7 16.Qb4 Nc6 17.Nxc6 Qxc6 18.Qe7 Rfd8 19.Rd6 Qa4 20.b3 Qa5+ 21.Bd2 
Qxa2 22.Rxd7 Rxd7 23.Qxd7 Qxb3 24.Rh3 Qb1+ 25.Bd1 b5 26.Qd5 Re8 27.Ra3 b4 
28.Rxa6 e3 29.fxe3 Bc3 30.Ra7 Rxe3+ 31.Kf2 Re6 32.Ra2 Qxd1 33.Ra8+ Kh7 34.
Bxc3 Qe2+ 35.Kg3 bxc3 36.Qd8 Qe5+ 37.Kf2 Qe1+ 38.Kf3 Re3+ 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Long, Peter"]
[Black "Grant, Conrad"]
[Result "1-0"]
[ECO "B98"]
[EventDate "1980.08.17"]
[PlyCount "75"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Bd7 10.Bd3 Nc6 11.Nb3 O-O-O 12.Rhe1 Kb8 13.Qe2 Nb4 14.Bh4 Rc8 15.
Bf2 Nxd3+ 16.Qxd3 Ng4 17.Bg1 Qc4 18.h3 Qxd3 19.Rxd3 Nh6 20.g4 f6 21.Bd4 
Bc6 22.g5 Nf7 23.gxf6 Bxf6 24.Na5 e5 25.Be3 Rhe8 26.Red1 Bd7 27.f5 Bc6 28.
Nxc6+ Rxc6 29.Nd5 Bg5 30.b3 Rc5 31.Kb1 Rec8 32.c3 h6 33.h4 Bxe3 34.Rxe3 
Rg8 35.Rg3 Rf8 36.Rxg7 b5 37.Rg6 b4 38.Rf6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Lirindzakis, Stayros"]
[Black "Guerra Osio, Jose Luis"]
[Result "1/2-1/2"]
[ECO "E16"]
[EventDate "1980.08.17"]
[PlyCount "74"]

1.d4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 e6 5.c4 Bb4+ 6.Nbd2 Be7 7.O-O O-O 8.b3 d5
9.Bb2 Na6 10.Ne5 c5 11.dxc5 Nxc5 12.Rc1 Rc8 13.Rc2 a6 14.Qc1 Bd6 15.Rd1 
Qe7 16.Ba1 b5 17.b4 Bxe5 18.Bxe5 Ncd7 19.Bxf6 Nxf6 20.c5 Qc7 21.Nb3 Nd7 
22.e4 Ne5 23.exd5 Bxd5 24.Bxd5 exd5 25.Qf4 f6 26.Nd4 Qd7 27.Qf5 Rfd8 28.
Kg2 Nc4 29.Re2 a5 30.Qxd7 Rxd7 31.bxa5 Rxc5 32.a3 Kf7 33.Rb1 Nd6 34.Reb2 
Ra7 35.Nxb5 Ra6 36.Nxd6+ Rxd6 37.Rd1 d4 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "McNab, Colin Anderson"]
[Black "Lasar, Yves"]
[Result "1-0"]
[ECO "C02"]
[EventDate "1980.08.17"]
[PlyCount "85"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.Be2 cxd4 7.cxd4 Nh6 8.b3 Bb4+
9.Kf1 Nf5 10.Bb2 Bd7 11.g4 Nh6 12.Rg1 O-O-O 13.a3 Be7 14.b4 a6 15.Nc3 Na7 
16.Bc1 Kb8 17.Bf4 Rc8 18.Qd2 Rc7 19.Bd3 Rhc8 20.Ne2 Bb5 21.Bxh7 g6 22.Ra2 
Ng8 23.Bxg8 Rxg8 24.Kg2 Bc4 25.Raa1 Rgc8 26.Nc3 Nb5 27.Nxb5 Qxb5 28.Rgc1 
Bb3 29.Rxc7 Rxc7 30.Rc1 Rxc1 31.Qxc1 Qc4 32.Qe3 Ba4 33.Bg5 Bf8 34.Qf4 Qc7 
35.Qf6 Bd1 36.Qd8+ Qxd8 37.Bxd8 Bxf3+ 38.Kxf3 Kc8 39.Bg5 Kd7 40.h4 Ke8 41.
h5 gxh5 42.gxh5 Bg7 43.h6 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Morovic Fernandez, Ivan"]
[Black "Negulescu, Adrian"]
[Result "1/2-1/2"]
[WhiteElo "2380"]
[BlackElo "2410"]
[ECO "A43"]
[EventDate "1980.08.17"]
[PlyCount "30"]

1.d4 c5 2.d5 g6 3.Nf3 Bg7 4.e4 d6 5.Nc3 Nf6 6.Be2 O-O 7.O-O Na6 8.Re1 Nc7 
9.a4 e6 10.Bc4 exd5 11.exd5 h6 12.h3 b6 13.Bf4 a6 14.Qd2 Kh7 15.Rab1 Qd7 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Obando, Arnoldo"]
[Black "Belkhodja, Slim"]
[Result "1/2-1/2"]
[ECO "B32"]
[EventDate "1980.08.17"]
[PlyCount "69"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 a6 6.Nd6+ Bxd6 7.Qxd6 Qf6 8.
Qd3 Nge7 9.c3 O-O 10.g3 Rd8 11.Bg2 Qg6 12.O-O d5 13.Qe2 dxe4 14.Bxe4 Bf5 
15.Bxf5 Nxf5 16.Nd2 Rd5 17.Nc4 Rad8 18.Ne3 Nxe3 19.Bxe3 Qd3 20.Qxd3 Rxd3 
21.Rfc1 R8d7 22.Kf1 f5 23.Ke2 Kf7 24.Rd1 Rxd1 25.Rxd1 Rxd1 26.Kxd1 Ke6 27.
Ke2 b5 28.b3 Kd5 29.h4 Nd8 30.Kd3 e4+ 31.Ke2 Ne6 32.Ba7 f4 33.Bb8 fxg3 34.
fxg3 a5 35.Ba7 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Rodas Maritni, Pablo"]
[Black "Hadi, Jardak"]
[Result "1/2-1/2"]
[ECO "B15"]
[EventDate "1980.08.17"]
[PlyCount "32"]

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.Nf3 d5 5.e5 h5 6.Be2 Bg4 7.O-O Nh6 8.Bg5 Bxf3 
9.Bxf3 Nf5 10.Rb1 Qb6 11.Ne2 e6 12.c3 Nd7 13.b4 Qc7 14.g3 Nb6 15.h3 Nc4 
16.a4 a5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Sequeira, Fernando"]
[Black "Fowler, Jim"]
[Result "1/2-1/2"]
[ECO "C68"]
[EventDate "1980.08.17"]
[PlyCount "74"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Bd6 6.d4 Bg4 7.dxe5 Bxf3 8.
Qxf3 Bxe5 9.Nd2 Qf6 10.Qxf6 Nxf6 11.Nb3 O-O-O 12.f3 c5 13.c3 Nd7 14.f4 Bd6
15.e5 Be7 16.Be3 b6 17.Rad1 c4 18.Nd2 b5 19.Ne4 Kb7 20.Kf2 Kc6 21.Kf3 Nc5 
22.Bxc5 Bxc5 23.Nxc5 Kxc5 24.Ke4 a5 25.f5 Rhe8 26.a3 Kb6 27.Rfe1 c5 28.Kf4
Rd3 29.g3 Kc7 30.h4 Red8 31.Rb1 b4 32.e6 fxe6 33.fxe6 Kd6 34.axb4 cxb4 35.
cxb4 axb4 36.e7 Re8 37.Ra1 Rd2 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Shrentzel, Mordechai"]
[Black "Tassi, Oliviero"]
[Result "1/2-1/2"]
[ECO "B22"]
[EventDate "1980.08.17"]
[PlyCount "27"]

1.e4 c5 2.c3 d6 3.d4 Nf6 4.dxc5 Nc6 5.f3 dxc5 6.Qxd8+ Nxd8 7.Be3 e6 8.Na3 
Be7 9.Bb5+ Bd7 10.Bxd7+ Nxd7 11.Nb5 O-O 12.Bf4 a6 13.Nd6 b5 14.O-O-O 
1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Tavares, Shawn"]
[Black "Ye Rongguang"]
[Result "1/2-1/2"]
[ECO "C43"]
[EventDate "1980.08.17"]
[PlyCount "50"]

1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.O-O O-O 7.Nc3 Nxc3 8.
bxc3 Nd7 9.Re1 Bxe5 10.dxe5 Nc5 11.Qh5 Nxd3 12.cxd3 Qd7 13.Rb1 b6 14.Qf3 
Rb8 15.Rb4 Re8 16.Rd4 c6 17.Re3 Re6 18.Rh4 Qe7 19.Qg3 Rg6 20.Qf4 Qg5 21.
Qxg5 Rxg5 22.Ra4 Rb7 23.Rd4 Rg6 24.h3 Be6 25.Rh4 c5 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Toro Sanchez, Bernardo"]
[Black "Danailov, Silvio"]
[Result "0-1"]
[WhiteElo "2265"]
[BlackElo "2295"]
[ECO "A64"]
[EventDate "1980.08.17"]
[PlyCount "92"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.g3 g6 7.Bg2 Bg7 8.Nf3 O-O 
9.O-O a6 10.a4 Nbd7 11.Nd2 Re8 12.h3 Rb8 13.Nc4 Ne5 14.Na3 Nh5 15.Bd2 f5 
16.Re1 Bd7 17.Rb1 b5 18.axb5 axb5 19.b4 c4 20.Nc2 Nf7 21.Bf3 Kh8 22.Kh2 f4
23.Ne4 fxg3+ 24.fxg3 Bf5 25.Nf2 Be5 26.Bxh5 gxh5 27.Bf4 Rg8 28.e4 h4 29.
Bxe5+ Nxe5 30.g4 Bd7 31.Nd4 Qb6 32.Kg2 Rbf8 33.Rf1 h5 34.Qd2 Kh7 35.Kh1 
Nf3 36.Nxf3 Rxf3 37.e5 dxe5 38.Qc2+ Kh8 39.Qd2 c3 40.Qe2 Re3 41.Qc2 Be8 
42.Rbe1 Rf8 43.Kg2 Bf7 44.Rd1 Bg6 45.Qc1 Rg3+ 46.Kh1 Rxf2 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Tovillas, Daniel"]
[Black "Valkesalmi, Kimmo"]
[Result "0-1"]
[ECO "B21"]
[EventDate "1980.08.17"]
[PlyCount "64"]

1.e4 c5 2.f4 Nc6 3.Nf3 g6 4.Bb5 Bg7 5.O-O Qb6 6.Bxc6 bxc6 7.Nc3 c4+ 8.Kh1 
Nf6 9.Qe1 d5 10.Rb1 O-O 11.b3 dxe4 12.bxc4 Qa6 13.Ne5 Bf5 14.Rb3 Rab8 15.
Qe2 h5 16.Bb2 Rfd8 17.d3 exd3 18.cxd3 Rxb3 19.axb3 Qb7 20.Nd1 Ng4 21.d4 
Nxe5 22.fxe5 Qxb3 23.Rf3 Qc2 24.Qxc2 Bxc2 25.Ne3 Rb8 26.Ba3 Be4 27.Rf1 Rb3
28.Bc1 Bh6 29.Re1 Rb1 30.d5 Bxe3 31.d6 exd6 32.exd6 Rxc1 0-1

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Valiente, Cristobal"]
[Black "Corral Blanco, Juan Antonio"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1980.08.17"]
[PlyCount "27"]

1.g3 Nf6 2.Bg2 d5 3.Nf3 e6 4.O-O b6 5.d3 Bb7 6.Nbd2 Nbd7 7.e4 dxe4 8.Ng5 
Be7 9.Ngxe4 Qc8 10.b3 O-O 11.Bb2 c5 12.Qe2 Bc6 13.f4 Qb7 14.Rae1 1/2-1/2

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Weider, Dariusz"]
[Black "Santo-Roman, Marc"]
[Result "1-0"]
[BlackElo "2205"]
[ECO "A05"]
[EventDate "1980.08.17"]
[PlyCount "74"]

1.Nf3 Nf6 2.b3 g6 3.Bb2 Bg7 4.g3 O-O 5.Bg2 d5 6.O-O c5 7.d4 Nfd7 8.e3 Nc6 
9.Nbd2 b6 10.c4 e6 11.Re1 Ba6 12.Bf1 Bb7 13.Rc1 Rc8 14.cxd5 exd5 15.Ba3 
Qe7 16.Nb1 Nb4 17.Nc3 Rfd8 18.Bg2 Nf6 19.Bh3 Rb8 20.dxc5 bxc5 21.Na4 Ne4 
22.Rxc5 Na6 23.Rxd5 Qe8 24.Rxd8 Rxd8 25.Qe2 Nc7 26.Bg2 Ba6 27.Qc2 Nd5 28.
Nd4 Nxg3 29.Nc6 Rd7 30.hxg3 Bb5 31.Bxd5 Rxd5 32.Ne7+ Kh8 33.Nxd5 Bc6 34.
Nf4 g5 35.Ng2 Qe6 36.Rd1 Bf6 37.Bb2 Kg7 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Zabihi, Ali"]
[Black "Pajak, Jan"]
[Result "1-0"]
[ECO "B39"]
[EventDate "1980.08.17"]
[PlyCount "109"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 c5 5.d4 cxd4 6.Nxd4 Nc6 7.Be3 Ng4 8.Qxg4 
Nxd4 9.Qd1 Ne6 10.Rc1 O-O 11.Bd3 d6 12.O-O Bd7 13.Qd2 Nc5 14.b3 Bc6 15.Nd5
a5 16.Rfe1 b6 17.Bg5 Ra7 18.Bf1 f6 19.Bh4 e6 20.Nc3 Rd7 21.Rcd1 Qa8 22.f3 
Kh8 23.Bg3 Rfd8 24.Qc2 Bf8 25.Qb2 Rg7 26.Re2 g5 27.Red2 e5 28.a3 g4 29.Nd5
Bxd5 30.cxd5 gxf3 31.gxf3 a4 32.bxa4 Ra7 33.Bb5 Nxa4 34.Qb4 Ra5 35.Rb1 Bh6
36.Rd3 Nc5 37.Rc3 Bd2 38.Bh4 Rg8+ 39.Kh1 Rg6 40.a4 Nxa4 41.Qxd6 Nxc3 42.
Bxf6+ Kg8 43.Qe6+ Kf8 44.Qe7+ Kg8 45.Bd7 Rxf6 46.Qxf6 h6 47.Be6+ Kh7 48.
Qf7+ Kh8 49.Rg1 Bg5 50.Rxg5 Ra1+ 51.Kg2 Rg1+ 52.Kxg1 Ne2+ 53.Kg2 hxg5 54.
Qh5+ Kg7 55.Qxg5+ 1-0

[Event "19th World U20 ch"]
[Site "Dortmund GER"]
[Date "1980.08.??"]
[Round "13"]
[White "Zuger, Beat"]
[Black "Morales Moreno, Humberto"]
[Result "1-0"]
[WhiteElo "2235"]
[ECO "A36"]
[EventDate "1980.08.17"]
[PlyCount "125"]

1.g3 c5 2.c4 Nc6 3.Bg2 g6 4.Nc3 Bg7 5.a3 e6 6.Rb1 a5 7.Nh3 Nge7 8.Nf4 O-O 
9.d3 d6 10.Bd2 Rb8 11.h4 h5 12.O-O b6 13.Nb5 e5 14.Nd5 Nxd5 15.Bxd5 Nd4 
16.Nxd4 exd4 17.b4 axb4 18.axb4 Bg4 19.Re1 Re8 20.Ra1 Bf6 21.Ra7 Re7 22.
Qa4 Qe8 23.b5 Kh8 24.e3 Bd7 25.Qd1 Bg4 26.Qa1 Be6 27.exd4 Bxd4 28.Bc3 Bxc3
29.Qxc3+ Kh7 30.Qa1 Kg8 31.d4 Qf8 32.Rxe7 Qxe7 33.dxc5 dxc5 34.Bxe6 fxe6 
35.Qe5 Re8 36.Rd1 Rd8 37.Rxd8+ Qxd8 38.Qxe6+ Kh7 39.Kg2 Qc7 40.Kh3 Qb7 41.
Qc6 Qa7 42.Kg2 Kg7 43.Qe6 Qa8+ 44.Kf1 Qa7 45.Ke2 Kh7 46.Ke3 Qg7 47.Kf3 
Qf8+ 48.Ke2 Qd8 49.Qe5 Qd7 50.Ke3 Qf7 51.Qf4 Qe7+ 52.Qe4 Qg7 53.Qe6 Qc3+ 
54.Ke4 Qd4+ 55.Kf3 Qd3+ 56.Kg2 Qd8 57.Qf7+ Kh6 58.Kh2 Qa8 59.Qf6 Qg8 60.
Qxb6 Qxc4 61.Qf6 Kh7 62.b6 Qg8 63.Qe7+ 1-0

