[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Baart, Joan"]
[Black "Ammann, Philipp"]
[Result "1/2-1/2"]
[BlackElo "2220"]
[ECO "E05"]
[EventDate "1976.12.21"]
[PlyCount "44"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.O-O O-O 6.d4 dxc4 7.Qc2 a6 8.Qxc4 b5
9.Qc2 Bb7 10.Bf4 Nd5 11.Nc3 Nxf4 12.gxf4 Ra7 13.Rfd1 Nd7 14.Rac1 c5 15.
dxc5 Bxc5 16.Ng5 g6 17.Nce4 Bxe4 18.Nxe4 Be7 19.Qc6 Qb6 20.Nd6 Bh4 21.e3 
Qxc6 22.Rxc6 Nb8 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Binham, Timothy"]
[Black "Messa, Roberto"]
[Result "1-0"]
[ECO "B09"]
[EventDate "1976.12.21"]
[PlyCount "69"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nf6 5.Nf3 O-O 6.Bd3 Nc6 7.O-O Bg4 8.e5 dxe5
9.dxe5 Nd5 10.h3 Bxf3 11.Qxf3 Nxc3 12.bxc3 f6 13.exf6 Bxf6 14.Ba3 Qe8 15.
Rab1 Rb8 16.Rfe1 Be5 17.g3 Qd7 18.Kg2 Bd6 19.Bc4+ Kg7 20.Be6 Qe8 21.Bb2 h6
22.c4+ Kh7 23.Qc3 Rf6 24.c5 Be5 25.Rxe5 Nxe5 26.Qxe5 Qc6+ 27.Bd5 Qxc5 28.
Re1 Re8 29.Bxb7 Qxc2+ 30.Re2 Qc4 31.Bd5 Qd3 32.Bc6 Qxe2+ 33.Qxe2 Rxc6 34.
Qe5 Rf6 35.Qxc7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Chandler, Murray Graham"]
[Black "Schussler, Harry"]
[Result "0-1"]
[BlackElo "2335"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "111"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Nc3 Nf6 5.Be2 O-O 6.O-O Nbd7 7.h3 e5 8.Be3 
exd4 9.Bxd4 Re8 10.Bc4 Nf8 11.Re1 Be6 12.Bf1 Bd7 13.Qd3 Ne6 14.Be3 Bc6 15.
Rad1 Nd7 16.b4 a5 17.b5 Nec5 18.Qd2 Bxe4 19.Nd4 Nf6 20.Bc4 b6 21.Bg5 Qd7 
22.f3 Bb7 23.Nde2 Re5 24.Bf4 Re7 25.Bg5 Rae8 26.a3 Ne6 27.Bh4 h6 28.Bd5 
Nc5 29.Bxb7 Nxb7 30.Bxf6 Bxf6 31.Nd5 Re6 32.Qxh6 Bg7 33.Qd2 Qxb5 34.Nef4 
Re5 35.Kh1 Qd7 36.c4 Nc5 37.Rxe5 Rxe5 38.g4 Qd8 39.Kg2 Kf8 40.Qf2 a4 41.
Ne2 Re8 42.Nd4 Ne6 43.Ne2 Kg8 44.Rd2 Qd7 45.Rc2 Qc6 46.Nb4 Qc5 47.Qxc5 
bxc5 48.Nd5 Rb8 49.Nec3 Rb3 50.Nxa4 Rxa3 51.Ndc3 Rb3 52.Nd5 c6 53.Ne7+ Kh7
54.Ra2 Nd4 55.Nc8 Be5 56.Rd2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Dunne, David Joseph"]
[Black "Campora, Daniel Hugo"]
[Result "0-1"]
[ECO "C66"]
[EventDate "1976.12.21"]
[PlyCount "130"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Re1 exd4 8.Nxd4 
O-O 9.Bxc6 bxc6 10.e5 dxe5 11.Nf3 Bd6 12.Nxe5 Re8 13.Nxd7 Qxd7 14.Rxe8+ 
Rxe8 15.h3 Qf5 16.Be3 h5 17.Qd3 Qe5 18.g3 h4 19.Bf4 Qe6 20.Bxd6 cxd6 21.g4
d5 22.Rd1 Qe5 23.Kg2 Qf4 24.Qd4 Qc7 25.b4 Re6 26.Rd3 Ne4 27.Re3 Ng5 28.Ne2
Qe7 29.Rxe6 Nxe6 30.Qd2 g5 31.c3 Qf6 32.Qe3 a6 33.a4 Qg6 34.a5 Qb1 35.Qe5 
Qe1 36.Qe3 Kf8 37.Kh2 Ke7 38.Qf3 Qd2 39.Ng1 Nf4 40.Qe3+ Qxe3 41.fxe3 Ne6 
42.Kg2 Kd6 43.Kf2 c5 44.Nf3 cxb4 45.cxb4 Kc6 46.Ne5+ Kb5 47.Nd3 Kc4 48.Ke2
Kc3 49.Nc5 Nc7 50.b5 axb5 51.a6 Kc4 52.Nd7 Nxa6 53.Ne5+ Kc3 54.Nxf7 b4 55.
Nxg5 b3 56.Nf3 b2 57.Nd2 Nc5 58.Nb1+ Kc2 59.Na3+ Kb3 60.Nb1 Ne4 61.Kd3 Ka2
62.Kc2 Ka1 63.Na3 Ng5 64.Nb1 Nxh3 65.Nd2 Ng5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Dur, Arne"]
[Black "Sisniega Campbell, Marcel"]
[Result "0-1"]
[ECO "C19"]
[EventDate "1976.12.21"]
[PlyCount "98"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Ne7 5.a3 Bxc3+ 6.bxc3 c5 7.Nf3 Bd7 8.a4 Qa5
9.Bd2 Nbc6 10.Be2 f6 11.O-O c4 12.exf6 gxf6 13.Re1 O-O-O 14.Bf1 Nf5 15.Qc1
Nce7 16.Qa3 h5 17.Rab1 Ng6 18.Kh1 Rde8 19.g3 Qc7 20.Bh3 Nd6 21.Be3 Ne4 22.
Nd2 Ng5 23.Bxg5 fxg5 24.Kg1 g4 25.Bg2 h4 26.Re3 Ref8 27.Rbe1 Rh7 28.R1e2 
Rfh8 29.Nf1 Kb8 30.a5 a6 31.Qb4 Ne7 32.Rxe6 Bxe6 33.Rxe6 hxg3 34.hxg3 Nc6 
35.Qc5 Nd8 36.Qxc7+ Kxc7 37.Re5 Rh5 38.Rxd5 Nc6 39.Ne3 Nxa5 40.Nxg4 Rxd5 
41.Bxd5 Kd6 42.Ne3 b5 43.g4 Nc6 44.g5 Ne7 45.Bf7 a5 46.f4 a4 47.Kg2 a3 48.
Nxc4+ bxc4 49.Bxc4 Rc8 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Van Egmond, Peter"]
[Black "Klauner, Theodore"]
[Result "1/2-1/2"]
[ECO "D77"]
[EventDate "1976.12.21"]
[PlyCount "112"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d5 6.c4 dxc4 7.Na3 c6 8.Nxc4 
Be6 9.Qc2 Nbd7 10.b4 Bxc4 11.Qxc4 Nb6 12.Qc2 Nfd7 13.Bb2 Re8 14.Rfd1 Nd5 
15.a3 Rc8 16.e4 N5b6 17.Qb3 e6 18.a4 Nf6 19.Ne5 Nbd7 20.Nc4 Bf8 21.Rac1 
Rc7 22.b5 cxb5 23.axb5 Nb6 24.Ne3 Rxc1 25.Rxc1 Qe7 26.e5 Nh5 27.Ra1 Ra8 
28.d5 exd5 29.Nxd5 Qe6 30.Qf3 Nxd5 31.Qxd5 Qxd5 32.Bxd5 Rd8 33.Bxb7 Bc5 
34.Ba3 Bd4 35.Re1 Ng7 36.Bc6 Ne6 37.Kg2 Bb6 38.Bd6 Nd4 39.Rc1 Rc8 40.Rc4 
a6 41.g4 Kg7 42.e6 axb5 43.Rxd4 Rxc6 44.e7 Bxd4 45.e8=Q Rxd6 46.Qxb5 h6 
47.h4 Re6 48.Kg3 Bf6 49.g5 hxg5 50.hxg5 Bd4 51.f4 Kg8 52.Qc4 Bh8 53.Qc8+ 
Kg7 54.Kg4 Kh7 55.Qd7 Kg7 56.Qd8 Kh7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Ftacnik, Lubomir"]
[Black "Sequeira, Joao"]
[Result "1/2-1/2"]
[ECO "D47"]
[EventDate "1976.12.21"]
[PlyCount "58"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 b4
9.Ne4 Nxe4 10.Bxe4 Bb7 11.Qa4 Qb6 12.Nd2 c5 13.dxc5 Bxc5 14.O-O Ke7 15.Nc4
Qa6 16.Qxa6 Bxa6 17.Bxa8 Bxc4 18.Be4 Nf6 19.Bc2 Bxf1 20.Kxf1 Rc8 21.Bd3 
Ng4 22.Be2 f5 23.Bxg4 fxg4 24.Bd2 Bd6 25.Rc1 Rxc1+ 26.Bxc1 Kf6 27.b3 Kf5 
28.h3 gxh3 29.gxh3 e5 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Greenberg, Nir"]
[Black "Foisor, Ovidiu"]
[Result "1-0"]
[ECO "B31"]
[EventDate "1976.12.21"]
[PlyCount "95"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.Re1 O-O 7.d4 cxd4 8.cxd4 
d5 9.e5 Ne4 10.Nc3 Nxc3 11.bxc3 Qa5 12.Qb3 Bg4 13.Nd2 Rfc8 14.Bd3 Nd8 15.
Bb2 Ne6 16.f3 Bf5 17.Bxf5 gxf5 18.Nf1 f4 19.Rec1 Qd8 20.Rc2 Rc7 21.Rac1 
Rac8 22.Nd2 b6 23.Qa4 Rc6 24.c4 dxc4 25.Rxc4 Rxc4 26.Rxc4 Rxc4 27.Nxc4 
Nxd4 28.Qd1 Ne6 29.Qxd8+ Nxd8 30.Kf1 b5 31.Na5 e6 32.Bd4 a6 33.Bb6 Bxe5 
34.Bxd8 Kf8 35.Ke2 Ke8 36.Bb6 Kd7 37.Kd3 f5 38.Bd4 Bd6 39.Nb7 e5 40.Bc3 
Ke6 41.Nxd6 Kxd6 42.Bd2 Kc5 43.a3 Kd5 44.Kc3 Kc5 45.Kb3 h5 46.Bc3 e4 47.
Be5 e3 48.Kc3 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Groszpeter, Attila"]
[Black "Lo Kim Lin, Frank"]
[Result "1-0"]
[ECO "C99"]
[EventDate "1976.12.21"]
[PlyCount "77"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 Na5 
9.Bc2 c5 10.h3 O-O 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Bb7 14.d5 Bc8 15.Bd3 Bd7
16.Qe2 Nb7 17.b4 g6 18.Nb3 Nh5 19.Kh2 f5 20.exf5 Bxf5 21.Bxf5 Rxf5 22.Nbd4
Rf7 23.Ne6 Qd7 24.Be3 Nd8 25.a4 bxa4 26.Qa2 Qb7 27.Qxa4 Nxe6 28.dxe6 Rff8 
29.Rec1 Rfc8 30.Qd7 Qxd7 31.exd7 Rd8 32.b5 Nf6 33.Rxa6 Rxa6 34.bxa6 Nxd7 
35.Rc7 Kf7 36.Ng5+ Ke8 37.Ne6 Ra8 38.Rb7 Kf7 39.Nc7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Hebert, Jean"]
[Black "Azadharf, Farrokh"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[ECO "B50"]
[EventDate "1976.12.21"]
[PlyCount "102"]

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.g3 Nf6 5.Bg2 e6 6.O-O Be7 7.d4 cxd4 8.Nxd4 h6 
9.b3 O-O 10.Bb2 Nbd7 11.Kh1 Rb8 12.Qe2 Qc7 13.f4 b5 14.e5 dxe5 15.Nc6 Bd6 
16.Nxb8 Qxb8 17.Ne4 Nxe4 18.Qxe4 f5 19.Qc6 exf4 20.Rad1 Be5 21.Qxe6+ Kh7 
22.Bxe5 Nxe5 23.Qe7 f3 24.Rxf3 Bb7 25.Rf2 Rf7 26.Qc5 Ng4 27.Re2 Bxg2+ 28.
Rxg2 f4 29.Qd5 f3 30.Qe4+ g6 31.Rgd2 f2 32.Rf1 h5 33.Rd5 Kh6 34.Rd3 Re7 
35.Qf3 Re1 36.Rd1 Re3 37.Qg2 Qc7 38.Rxf2 Nxf2+ 39.Qxf2 Qe7 40.Rf1 Qe4+ 41.
Kg1 Qe7 42.Qd2 Kg7 43.Qd4+ Qe5 44.Qxe5+ Rxe5 45.Kf2 b4 46.Re1 Ra5 47.Re4 
Rxa2 48.Rc4 a5 49.Ke3 a4 50.bxa4 Rxa4 51.Kd2 g5 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Helmers, Knut"]
[Black "Avgoustinos, Avgousti"]
[Result "1-0"]
[WhiteElo "2265"]
[ECO "A71"]
[EventDate "1976.12.21"]
[PlyCount "47"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.e4 Bg7 8.Bg5 O-O 
9.Nd2 h6 10.Bh4 a6 11.a4 g5 12.Bg3 Qe7 13.Be2 Nbd7 14.O-O Ne5 15.Qc2 Rb8 
16.Ra3 Ne8 17.a5 f5 18.f4 Ng6 19.fxg5 f4 20.gxh6 Bxc3 21.Rxc3 fxg3 22.Rxg3
Kh7 23.e5 Rg8 24.Bd3 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Karaosmanoglu, Sedat"]
[Black "Petursson, Margeir"]
[Result "0-1"]
[BlackElo "2390"]
[ECO "A47"]
[EventDate "1976.12.21"]
[PlyCount "124"]

1.Nf3 Nf6 2.d4 e6 3.e3 b6 4.Bd3 Bb7 5.Nbd2 d5 6.O-O Bd6 7.c3 Nbd7 8.Re1 
Ne4 9.Nf1 e5 10.dxe5 Nxe5 11.Nxe5 Bxe5 12.Qc2 O-O 13.Rd1 Qe7 14.f3 Nf6 15.
b3 c5 16.Bb2 c4 17.bxc4 Rac8 18.a4 Rfd8 19.cxd5 Bxd5 20.Ba6 Rc7 21.Rd3 Bc6
22.Ba3 Bd6 23.Rad1 Rcd7 24.Bxd6 Rxd6 25.Rxd6 Rxd6 26.Rd4 Qd7 27.Bc8 Qd8 
28.Rxd6 Qxd6 29.Ng3 Qc5 30.Qd3 g6 31.Qd4 Qxd4 32.exd4 Bxa4 33.Ba6 Kf8 34.
Kf2 Nd5 35.c4 Nb4 36.Bb7 Bb3 37.d5 Ke7 38.Ke3 Bxc4 39.Kd4 Bb5 40.Ne4 f5 
41.Nc3 Bf1 42.g4 Kd6 43.gxf5 gxf5 44.Nd1 Kc7 45.Ba8 Kb8 46.Bc6 Nxc6+ 47.
dxc6 Be2 48.Ne3 Bxf3 49.Nxf5 Bxc6 50.h4 h5 51.Ke3 Bd7 52.Ng7 Bg4 53.Ne8 a5
54.Kd4 Be6 55.Ng7 Bf7 56.Nf5 Kc7 57.Ke5 a4 58.Kf6 a3 59.Kxf7 a2 60.Kg6 
a1=Q 61.Kxh5 Qf6 62.Kg4 Qg6+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Kokkinos, Leonidas"]
[Black "Wong, Sheldon"]
[Result "0-1"]
[ECO "E13"]
[EventDate "1976.12.21"]
[PlyCount "50"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Bg5 Bb7 5.Nc3 Bb4 6.e3 h6 7.Bh4 c5 8.a3 Bxc3+ 
9.bxc3 d6 10.Bd3 Nbd7 11.O-O Qc7 12.Nd2 O-O 13.f4 d5 14.Qe2 Rac8 15.Rfc1 
Rfe8 16.Nf3 Ba6 17.Ne5 Ne4 18.a4 f5 19.Nxd7 Qxd7 20.cxd5 Bxd3 21.dxe6 Qxd4
22.exd4 Bxe2 23.d5 Bc4 24.Rd1 g5 25.d6 Rxe6 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Kouatly, Bachar"]
[Black "Diesen, Mark"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[BlackElo "2325"]
[ECO "E31"]
[EventDate "1976.12.21"]
[PlyCount "32"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6 7.e3 g5 8.Bg3 Ne4 9.
Bd3 Nxc3 10.bxc3 Bxc3+ 11.Ke2 Qf6 12.Rb1 exd5 13.cxd5 Nd7 14.Nf3 Nb6 15.
Qb3 g4 16.Nd2 Be5 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Kristensen, Leif"]
[Black "Ahad, Wazin"]
[Result "1-0"]
[ECO "C25"]
[EventDate "1976.12.21"]
[PlyCount "71"]

1.e4 e5 2.Nc3 d6 3.Bc4 Be7 4.d3 Nc6 5.f4 Nf6 6.Nf3 O-O 7.f5 Nd4 8.Be3 Ng4 
9.Bg1 c6 10.Nxd4 exd4 11.Bxd4 Bf6 12.Bxf6 Nxf6 13.Bb3 Qb6 14.Qf3 a5 15.Qf2
Qc7 16.O-O b5 17.a3 Bb7 18.h3 b4 19.axb4 axb4 20.Rxa8 Rxa8 21.Ne2 d5 22.
exd5 cxd5 23.Qf4 Qe7 24.Nd4 Nh5 25.Qf2 Re8 26.Ba4 Ra8 27.Re1 Qg5 28.Bc6 
Nf4 29.Kh2 Bxc6 30.Nxc6 h6 31.g3 Nh5 32.Nxb4 Rb8 33.c3 d4 34.h4 Qg4 35.Re4
Qd1 36.Qe2 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Leow, Leslie"]
[Black "Oltra Caurin, Ramon"]
[Result "1-0"]
[WhiteElo "2280"]
[ECO "C91"]
[EventDate "1976.12.21"]
[PlyCount "79"]

1.e4 Nc6 2.Nf3 e5 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.d4 d6 
9.c3 Bg4 10.Be3 Na5 11.dxe5 Bxf3 12.Qxf3 dxe5 13.Bc2 Nc4 14.Bc1 c5 15.b3 
Nb6 16.Nd2 Qc8 17.Qe2 Qg4 18.Qxg4 Nxg4 19.Nf3 Bd6 20.Rd1 Nc8 21.a4 b4 22.
h3 Nf6 23.Bb2 bxc3 24.Bxc3 Nd7 25.Rd2 $2 Rb8 26.Ba5 Ndb6 27.Bd3 Ne7 28.
Bxa6 Nc6 29.Bxb6 Rxb6 30.Rxd6 Rxa6 31.Nxe5 Nb4 32.Rxa6 Nxa6 33.Rc1 f5 34.
Nd7 Rf7 35.Nxc5 Rc7 36.Nd3 Rb7 37.Ne5 g5 38.exf5 Rxb3 39.f6 Rb8 40.f7+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Morris, Arthur"]
[Black "Mestel, Andrew Jonathan"]
[Result "0-1"]
[BlackElo "2390"]
[ECO "B00"]
[EventDate "1976.12.21"]
[PlyCount "62"]

1.e4 b6 2.d4 Bb7 3.Bd3 Nf6 4.Nd2 e6 5.Ngf3 c5 6.c3 Be7 7.O-O cxd4 8.cxd4 
O-O 9.e5 Nd5 10.Ne4 Nc6 11.Bg5 f6 12.exf6 Nxf6 13.Nc3 Nb4 14.Be2 Nfd5 15.
Bxe7 Qxe7 16.Nxd5 Nxd5 17.Ne5 Nf4 18.Bf3 d6 19.Nc6 Qd7 20.Rc1 Rac8 21.d5 
Nxd5 22.Bxd5 exd5 23.Nd4 Rce8 24.Qb3 Kh8 25.Rfd1 Re4 26.Qd3 Qf7 27.Qg3 Qf6
28.Nb5 Rf4 29.f3 h5 30.Rc7 Ba6 31.Nxd6 h4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Nakano, Mikka"]
[Black "Omuku, Emmanuel"]
[Result "1/2-1/2"]
[ECO "D43"]
[EventDate "1976.12.21"]
[PlyCount "78"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 Nbd7 6.Nf3 c6 7.Bd3 Qc7 8.Rc1 O-O
9.O-O Nb6 10.Bf4 Qd8 11.Ne5 c5 12.Na4 dxc4 13.Nxb6 axb6 14.Bxc4 Nd5 15.Bg3
f6 16.Nd3 Bd7 17.dxc5 bxc5 18.Bxd5 exd5 19.Nxc5 Bc8 20.Qb3 b6 21.Na4 Ra6 
22.Bc7 Qe8 23.Qxd5+ Qf7 24.Qxf7+ Kxf7 25.Nxb6 Rxa2 26.Nxc8 Rxc8 27.Rc2 Ra7
28.Bb6 Rxc2 29.Bxa7 Rxb2 30.Bd4 Rd2 31.f4 f5 32.h3 h5 33.Rf2 Rd1+ 34.Kh2 
h4 35.g4 hxg3+ 36.Kxg3 Rg1+ 37.Kh2 Rc1 38.Re2 Bc5 39.Bxc5 Rxc5 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Rayner, Emmanuel"]
[Black "Georgiev, Krum"]
[Result "0-1"]
[ECO "B51"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 Nf6 5.Nc3 cxd4 6.Qxd4 e6 7.Bg5 Be7 8.
O-O-O O-O 9.Bxd7 Bxd7 10.Bxf6 gxf6 11.Qe3 b5 12.Nd4 b4 13.Nce2 Rc8 14.Rd3 
Kh8 15.Ng3 Rc4 16.Kb1 Qc7 17.Rc1 Rc8 18.Nh5 Rg8 19.f4 Qc5 20.f5 Rg5 21.Ng3
Rg4 22.b3 Rc3 23.Nge2 Rxd3 24.cxd3 Qb6 25.Qh3 Rg5 26.fxe6 fxe6 27.Nxe6 d5 
28.exd5 Rxd5 29.N2f4 Rg5 30.d4 Qb5 31.Qe3 Qf5+ 32.Ka1 Bxe6 33.Nxe6 Rxg2 
34.Nf4 Rg7 35.Rc7 Bd6 36.Rxg7 Kxg7 37.Ne6+ Kg6 38.Qg1+ Kf7 39.Nd8+ Ke8 40.
Qg8+ Kd7 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Rogers, Ian"]
[Black "Twardon, Marian"]
[Result "1-0"]
[ECO "D91"]
[EventDate "1976.12.21"]
[PlyCount "105"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5 Ne4 6.cxd5 Nxg5 7.Nxg5 c6 8.e3 
cxd5 9.Qb3 O-O 10.Qxd5 Bd7 11.Nf3 Nc6 12.Be2 e5 13.dxe5 Qe8 14.O-O Nxe5 
15.Qd6 Bc6 16.Nd5 Kh8 17.Nf6 Nxf3+ 18.Bxf3 Qd8 19.Qxd8 Rfxd8 20.Bxc6 bxc6 
21.Ne4 f5 22.Ng5 Rd2 23.Rac1 Rc8 24.b3 Rxa2 25.Rfd1 Rb2 26.Rd7 Rxb3 27.
Rxa7 h6 28.Ne6 Bf6 29.g3 Rd3 30.Nf4 Rdd8 31.Nxg6+ Kg8 32.Ne7+ Bxe7 33.Rxe7
c5 34.Re5 c4 35.Rxf5 c3 36.Kf1 Rd2 37.Ke1 Rb2 38.Rd5 Rf8 39.f4 Rc8 40.Rd3 
Rxh2 41.Rdxc3 Rh1+ 42.Kd2 Rh2+ 43.Kd3 Rxc3+ 44.Rxc3 Rg2 45.e4 Rxg3+ 46.Kd4
Rg7 47.e5 h5 48.f5 h4 49.e6 Ra7 50.f6 Ra4+ 51.Ke5 Ra5+ 52.Kf4 Kh7 53.e7 
1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Salazar Jacob, Hernan"]
[Black "Popovic, Petar"]
[Result "1/2-1/2"]
[BlackElo "2405"]
[ECO "B15"]
[EventDate "1976.12.21"]
[PlyCount "46"]

1.e4 g6 2.d4 Bg7 3.Nf3 c6 4.Nc3 d5 5.h3 Nf6 6.Bd3 dxe4 7.Nxe4 Nxe4 8.Bxe4 
O-O 9.c3 Nd7 10.O-O Nf6 11.Bd3 Qb6 12.Re1 Re8 13.Qe2 Be6 14.Ng5 Bd7 15.Bc4
e6 16.Bf4 c5 17.Be5 Bc6 18.Rad1 Rac8 19.dxc5 Qxc5 20.b4 Qe7 21.Bd6 Qd7 22.
Bf8 Qc7 23.Bd6 Qd7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Sellos, Didier"]
[Black "Upton, Timothy"]
[Result "1-0"]
[ECO "C74"]
[EventDate "1976.12.21"]
[PlyCount "77"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 f5 6.d3 Nf6 7.Qe2 Be7 8.Nbd2 O-O 
9.Bb3+ Kh8 10.Nf1 fxe4 11.dxe4 Bg4 12.h3 Bxf3 13.Qxf3 Nd7 14.Qe2 Nc5 15.
Bc2 d5 16.exd5 Qxd5 17.Ne3 Qf7 18.O-O Ne6 19.Nf5 Bg5 20.Bxg5 Nxg5 21.Qg4 
Ne6 22.Rad1 Rad8 23.Ng3 Rxd1 24.Bxd1 Nc5 25.b4 Nd3 26.Bb3 Qf4 27.Ne4 Rd8 
28.Ng5 Rf8 29.Qxf4 Nxf4 30.Nf7+ Rxf7 31.Bxf7 Ne2+ 32.Kh2 Nxc3 33.Rc1 Ne2 
34.Rc4 g6 35.Bd5 Ned4 36.Bxc6 Nxc6 37.a4 Kg8 38.b5 axb5 39.Rxc6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Smith, Alvin Louis"]
[Black "Girault, Eric"]
[Result "1-0"]
[ECO "B07"]
[EventDate "1976.12.21"]
[PlyCount "47"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Be2 Bg7 5.Be3 O-O 6.Qd2 c6 7.h3 b5 8.a3 Nbd7 
9.Nf3 Qc7 10.O-O Bb7 11.Rfd1 a6 12.Nh2 c5 13.Bf3 cxd4 14.Bxd4 Nc5 15.Re1 
Rad8 16.Ng4 e5 17.Nxf6+ Bxf6 18.Be3 Bg7 19.Rad1 f5 20.Nd5 Bxd5 21.Qxd5+ 
Qf7 22.exf5 gxf5 23.Bxc5 dxc5 24.Qxd8 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Tonoli, Walter"]
[Black "Zapata Ramirez, Alonso"]
[Result "1/2-1/2"]
[ECO "B47"]
[EventDate "1976.12.21"]
[PlyCount "89"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 Qc7 6.Be2 a6 7.O-O b5 8.Nxc6 
Qxc6 9.Bf3 Bb7 10.Bf4 Rc8 11.e5 Qc7 12.Bxb7 Qxb7 13.Qd3 Ne7 14.Ne4 Nd5 15.
Bg3 Be7 16.Bh4 f5 17.exf6 gxf6 18.Qf3 O-O 19.c3 Rf7 20.Ng3 Rc4 21.Nh5 Qc6 
22.Rad1 Kf8 23.Bg3 a5 24.Rfe1 a4 25.a3 Nb6 26.Qxc6 Rxc6 27.Re2 Rc5 28.Nf4 
e5 29.Nd3 Rd5 30.f3 Bc5+ 31.Bf2 d6 32.Kf1 Rd7 33.Ke1 Kf7 34.Red2 Ke7 35.
Nxc5 dxc5 36.Rxd5 Rxd5 37.Rxd5 Nxd5 38.Bxc5+ Ke6 39.g3 Nc7 40.Kd2 Kd5 41.
Be7 f5 42.Kd3 h5 43.h3 Ne6 44.g4 fxg4 45.fxg4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Vladimirov, Evgeny"]
[Black "Marrero Martin, Miguel"]
[Result "1-0"]
[ECO "A39"]
[EventDate "1976.12.21"]
[PlyCount "35"]

1.d4 Nf6 2.c4 c5 3.Nf3 g6 4.g3 Bg7 5.Bg2 O-O 6.O-O cxd4 7.Nxd4 Nc6 8.Nc3 
a6 9.Nc2 d6 10.b3 Be6 11.Bb2 Rc8 12.Rc1 Nd7 13.Qd2 b5 14.cxb5 axb5 15.Bxc6
Rxc6 16.Nb4 Rb6 17.Ncd5 Bxb2 18.Rc8 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.21"]
[Round "1"]
[White "Weidemann, Jorg"]
[Black "Chaves, Jaime Augusto"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "45"]

1.e4 d6 2.Bc4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.d4 O-O 6.Qe2 c6 7.e5 Nd5 8.Bd2 a5 
9.h4 h5 10.Ng5 Nb4 11.Bb3 d5 12.e6 Bxe6 13.Nxe6 fxe6 14.Qxe6+ Kh7 15.Ne2 
Qd7 16.Qe3 Qf5 17.g4 Qf3 18.Rh3 Qxg4 19.c3 N4a6 20.Bc2 Rf6 21.Rg3 Qxh4 22.
O-O-O Nd7 23.Qxe7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.1"]
[White "Georgiev, Krum"]
[Black "Groszpeter, Attila"]
[Result "1/2-1/2"]
[ECO "B17"]
[EventDate "1976.12.21"]
[PlyCount "65"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.c3 g6 8.
Bd3 Bg7 9.Qe2 O-O 10.Bd2 Bg4 11.h3 Bxf3 12.Qxf3 e5 13.dxe5 Nd7 14.Bf4 Nxe5
15.Bxe5 Bxe5 16.O-O-O Qf6 17.Be4 Rad8 18.Qxf6 Bxf6 19.Kc2 Rfe8 20.Bf3 Kf8 
21.b4 Rxd1 22.Rxd1 Rd8 23.Rxd8+ Bxd8 24.c4 a5 25.a3 axb4 26.axb4 Ke7 27.
Kd3 Kd7 28.Bd1 b6 29.g4 Be7 30.b5 cxb5 31.cxb5 Bc5 32.f4 Ke7 33.Ke4 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.2"]
[White "Wong, Sheldon"]
[Black "Greenberg, Nir"]
[Result "1-0"]
[ECO "D85"]
[EventDate "1976.12.21"]
[PlyCount "65"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 O-O 8.Be2
c5 9.O-O b6 10.Be3 cxd4 11.cxd4 Bb7 12.Qc2 Nc6 13.Rad1 Rc8 14.Qa4 Na5 15.
d5 Qd6 16.Bd2 Bc3 17.Bxc3 Rxc3 18.e5 Qc5 19.Qh4 Bxd5 20.Ng5 h5 21.Bxh5 Kg7
22.Rxd5 Qxd5 23.Bf3 Qxe5 24.Qh7+ Kf6 25.Ne4+ Ke6 26.Qh3+ f5 27.Nxc3 Rh8 
28.Qg3 Qxg3 29.hxg3 Rc8 30.Re1+ Kf7 31.Nd5 Re8 32.Nc7 Rc8 33.Bd5+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.3"]
[White "Schussler, Harry"]
[Black "Kristensen, Leif"]
[Result "1-0"]
[WhiteElo "2335"]
[ECO "B76"]
[EventDate "1976.12.21"]
[PlyCount "63"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 
O-O 9.O-O-O d5 10.Nxc6 bxc6 11.exd5 Nxd5 12.Bd4 e5 13.Bc5 Be6 14.Ne4 Re8 
15.h4 Nb6 16.Qe1 Qb8 17.Bd6 Qc8 18.h5 f5 19.Nc5 Bd5 20.hxg6 hxg6 21.Qg3 
Kf7 22.Rh7 f4 23.Qh2 Qf5 24.Bd3 Qf6 25.Ne4 Bxe4 26.Bxe4 Rad8 27.Bc5 Rxd1+ 
28.Kxd1 Nc4 29.Kc1 Rd8 30.Qh6 a6 31.Be7 Ne3 32.Bxd8 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.4"]
[White "Mestel, Andrew Jonathan"]
[Black "Weidemann, Jorg"]
[Result "0-1"]
[WhiteElo "2390"]
[ECO "C02"]
[EventDate "1976.12.21"]
[PlyCount "116"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Bd7 6.Be2 Bb5 7.dxc5 Bxc5 8.b4 Bf8 
9.O-O Bxe2 10.Qxe2 Qa6 11.b5 Qa4 12.Nfd2 Nd7 13.c4 dxc4 14.Nxc4 Rc8 15.
Nbd2 Nh6 16.Qf3 Nc5 17.b6 Nf5 18.Ba3 Rd8 19.bxa7 Nd4 20.Qg4 h5 21.Qg5 Qxa7
22.Nb3 Ne2+ 23.Kh1 Ne4 24.Qh4 Bxa3 25.Qxe4 Nc3 26.Qf3 Nd5 27.Nbd2 Be7 28.
Ne4 O-O 29.Qxh5 Qd4 30.Ncd6 g6 31.Qf3 Qxe5 32.Nxb7 Rc8 33.Na5 f5 34.Nd2 
Rc3 35.Qd1 Nf4 36.Ndc4 Qc7 37.Rc1 Rd8 38.Qa4 Rxc1 39.Rxc1 Nd3 40.Rf1 Bc5 
41.g3 Nxf2+ 42.Kg2 Ng4 43.Rb1 Qh7 44.h3 f4 45.Qc6 Ne3+ 46.Nxe3 Rd2+ 47.Kf1
Qxh3+ 48.Ke1 fxe3 49.Rb8+ Bf8 50.Qf3 Qf5 51.Qxe3 Rxa2 52.Nc4 Qd5 53.Nd2 
Rxd2 54.Qxd2 Qe5+ 55.Qe2 Qxg3+ 56.Kf1 Qxb8 57.Qxe6+ Kg7 58.Qd7+ Kf6 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.5"]
[White "Petursson, Margeir"]
[Black "Smith, Alvin Louis"]
[Result "1-0"]
[WhiteElo "2390"]
[ECO "A11"]
[EventDate "1976.12.21"]
[PlyCount "83"]

1.c4 Nf6 2.Nf3 c6 3.b3 g6 4.Bb2 Bg7 5.g3 O-O 6.Bg2 d5 7.O-O dxc4 8.bxc4 
Nbd7 9.d3 Re8 10.Nbd2 e5 11.Qc2 Qc7 12.Rfe1 b6 13.Bc3 Bb7 14.Qb2 Rab8 15.
c5 Nd5 16.Ne4 Nxc3 17.Qxc3 Nxc5 18.Nxc5 e4 19.Nd4 bxc5 20.Qxc5 Qb6 21.Nb3 
Qxc5 22.Nxc5 Bxa1 23.Rxa1 Kg7 24.Bxe4 Ba8 25.Nb3 Re5 26.Rc1 Re7 27.e3 Rc7 
28.d4 Rb4 29.Bf3 Re7 30.Rc2 h5 31.h4 a6 32.Kf1 Ra7 33.Rc5 Ra4 34.Rc2 Re7 
35.Nc5 Ra5 36.a4 Ra7 37.Ra2 Re7 38.e4 Ra7 39.Nb3 Rb5 40.axb5 cxb5 41.Ke2 
f5 42.e5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.6"]
[White "Sisniega Campbell, Marcel"]
[Black "Binham, Timothy"]
[Result "1-0"]
[ECO "B45"]
[EventDate "1976.12.21"]
[PlyCount "91"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4
f5 9.exf6 Nxf6 10.Nd6+ Bxd6 11.Qxd6 Qb6 12.Bd3 c5 13.Qg3 O-O 14.O-O Bb7 
15.b3 d6 16.Bb2 e5 17.Rad1 Rad8 18.c4 Qc7 19.Rfe1 Qf7 20.Rd2 g6 21.Qh4 Nh5
22.Be4 Bxe4 23.Rxe4 Ng7 24.h3 Nf5 25.Qg4 Nd4 26.Bxd4 exd4 27.Rde2 Rde8 28.
h4 a5 29.f3 a4 30.h5 Rxe4 31.Qxe4 axb3 32.axb3 gxh5 33.Qc6 d3 34.Rd2 Re8 
35.Rxd3 Re1+ 36.Kf2 Qe6 37.Qxd6 Qe2+ 38.Kg3 h4+ 39.Kf4 Qe8 40.Qd5+ Kh8 41.
Qd8 Qxd8 42.Rxd8+ Kg7 43.Rd7+ Kg6 44.Rd6+ Kg7 45.Kg4 Rg1 46.Rd2 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.7"]
[White "Campora, Daniel Hugo"]
[Black "Vladimirov, Evgeny"]
[Result "0-1"]
[ECO "C67"]
[EventDate "1976.12.21"]
[PlyCount "108"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.Qe2 Nd6 6.Bxc6 dxc6 7.Nxe5 Be7 8.
Re1 Be6 9.d3 Nf5 10.Nf3 O-O 11.Nbd2 Re8 12.Ne4 h6 13.Bd2 c5 14.Qf1 b6 15.
Rad1 Qd5 16.c4 Qb7 17.Bc3 Rad8 18.b3 a6 19.Qe2 Bf8 20.Qb2 b5 21.Qc1 Nd4 
22.Qf4 f5 23.Ng3 Nxf3+ 24.Qxf3 Qxf3 25.gxf3 Kf7 26.Rd2 Bc8 27.Rxe8 Rxe8 
28.Rc2 Rd8 29.Rd2 Bd6 30.Rd1 g6 31.Kg2 Bb7 32.Ne2 g5 33.Re1 g4 34.Ng1 
gxf3+ 35.Kh1 Rg8 36.Nh3 Bc6 37.Bd2 Rg2 38.Bf4 Bxf4 39.Nxf4 Rxf2 40.Kg1 
Rxa2 41.Re5 Bd7 42.Rd5 Ke8 43.Re5+ Kd8 44.Rxc5 Rb2 45.Rd5 Kc8 46.cxb5 axb5
47.Rc5 Rxb3 48.Rc2 b4 49.Kf2 Bb5 50.Ke3 Kd7 51.Rc5 Bc6 52.Rxf5 Rb2 53.Kd4 
Rxh2 54.Kc4 f2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.8"]
[White "Rogers, Ian"]
[Black "Sellos, Didier"]
[Result "1-0"]
[ECO "E76"]
[EventDate "1976.12.21"]
[PlyCount "91"]

1.e4 g6 2.d4 Bg7 3.c4 d6 4.Nc3 Nf6 5.f4 O-O 6.Nf3 Bg4 7.Be2 Nfd7 8.O-O Nc6
9.e5 dxe5 10.fxe5 Nb6 11.Be3 Qd7 12.d5 Bxf3 13.gxf3 Nxe5 14.c5 Nec4 15.Bc1
Rfd8 16.cxb6 Nxb6 17.Qd3 Nxd5 18.Nxd5 Qxd5 19.Qxd5 Rxd5 20.Rb1 Bd4+ 21.Kg2
Kg7 22.b4 a6 23.f4 c6 24.Bc4 Rd6 25.Rb3 b5 26.Be2 a5 27.Ra3 a4 28.Rd3 Rad8
29.Rfd1 f6 30.Bf3 e5 31.fxe5 fxe5 32.Bg5 Re8 33.Be4 h6 34.Bh4 g5 35.Bg3 
Rde6 36.Rc1 h5 37.h3 Rf8 38.Rf3 Rd8 39.Rf5 Be3 40.Rxc6 Rd2+ 41.Kf3 Rxc6 
42.Bxe5+ Kh6 43.Kxe3 Rdc2 44.Rf7 R6c3+ 45.Bxc3 Rxc3+ 46.Kd2 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.9"]
[White "Leow, Leslie"]
[Black "Helmers, Knut"]
[Result "1/2-1/2"]
[WhiteElo "2280"]
[BlackElo "2265"]
[ECO "C69"]
[EventDate "1976.12.21"]
[PlyCount "188"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 exd4 7.Nxd4 c5 8.Nb3 
Qxd1 9.Rxd1 Bg4 10.f3 Be6 11.Nc3 Bd6 12.Be3 b6 13.Nd5 O-O-O 14.a4 Ne7 15.
c4 Nc6 16.h3 f5 17.exf5 Bxf5 18.Rd2 Rhe8 19.a5 Kb7 20.Rad1 Rd7 21.Bf2 Ne5 
22.Ne3 Be6 23.axb6 Kxb6 24.Nd5+ Bxd5 25.Rxd5 Nxc4 26.Nxc5 Rde7 27.Ne4+ Kb7
28.b3 Ne5 29.Nxd6+ cxd6 30.Rxd6 Nc6 31.Kf1 Rc7 32.Bg3 Rce7 33.h4 Kb6 34.h5
Re6 35.Rxe6 Rxe6 36.Rd7 Re7 37.Rxe7 Nxe7 38.Be5 g6 39.hxg6 hxg6 40.Ke2 Kc6
41.Kd3 Kd5 42.Bc3 Nf5 43.g4 Nd6 44.Ke3 Nb5 45.Bg7 Nc7 46.Bd4 Ne6 47.Ba7 
Ke5 48.f4+ Kd5 49.f5 gxf5 50.gxf5 Ng5 51.Kf4 Nf7 52.Bb6 Kc6 53.Bd4 Kd5 54.
Bc3 Nd6 55.Kg5 Ke4 56.f6 Kd5 57.Bb4 Nf7+ 58.Kf5 Ne5 59.Ba3 Nf7 60.Be7 Ne5 
61.Bb4 Nf7 62.Ba3 Ne5 63.Be7 Nf7 64.Bf8 Ne5 65.Bh6 Nf7 66.Bf4 Nd8 67.Bh2 
Nf7 68.Bg3 Nd8 69.Bb8 Nf7 70.Bh2 Nd8 71.Bg3 Nf7 72.Bb8 Nh8 73.Bh2 Nf7 74.
Bf4 Nh8 75.Bh6 Nf7 76.Bf8 Ne5 77.Be7 Nf7 78.Kf4 Kd4 79.Bb4 Nh8 80.Kf3 Nf7 
81.Ke2 Ke5 82.Be7 Ke4 83.Kd2 Kd4 84.Kc2 Ne5 85.Kb2 Nf7 86.Ka3 Kd5 87.Kb4 
Kc6 88.Kc4 Ne5+ 89.Kd4 Nf7 90.Ke4 Nh6 91.Ke5 Ng4+ 92.Ke6 Nxf6 93.Kxf6 a5 
94.Ba3 Kd5 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.10"]
[White "Zapata Ramirez, Alonso"]
[Black "Hebert, Jean"]
[Result "0-1"]
[BlackElo "2255"]
[ECO "C09"]
[EventDate "1976.12.21"]
[PlyCount "74"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Ngf3 Nc6 6.Bb5 Bd6 7.O-O Ne7 8.dxc5
Bxc5 9.Nb3 Bd6 10.Re1 O-O 11.Nfd4 Qc7 12.g3 Ne5 13.Bf1 a6 14.Bg2 h6 15.c3 
Bg4 16.Qc2 Qd7 17.Bf4 f6 18.f3 Bh5 19.Rad1 Rae8 20.Qf2 N7c6 21.Qf1 Nxd4 
22.Nxd4 Bc5 23.Kh1 Bxd4 24.cxd4 Nc6 25.Qd3 Rxe1+ 26.Rxe1 Re8 27.Rc1 Qe6 
28.g4 Bf7 29.Bf1 h5 30.h3 g5 31.Bd2 Qd6 32.Be1 Qf4 33.Bd2 Qg3 34.Bg2 hxg4 
35.hxg4 Kg7 36.Kg1 Bg6 37.Qc3 Re2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.11"]
[White "Azadharf, Farrokh"]
[Black "Tonoli, Walter"]
[Result "1-0"]
[ECO "A05"]
[EventDate "1976.12.21"]
[PlyCount "51"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 d5 6.Nc3 d4 7.Na4 Nc6 8.c4 e5 
9.b4 Nd7 10.Rb1 Ne7 11.Qc2 c6 12.Ba3 b5 13.cxb5 cxb5 14.Nc5 Rb8 15.Ng5 
Nxc5 16.bxc5 Nd5 17.c6 b4 18.Rfc1 Nc3 19.Ne4 a5 20.Bb2 Qe7 21.Bxc3 dxc3 
22.Nxc3 Bh6 23.Nd5 Qd6 24.Qc5 Qe6 25.Ne7+ Kg7 26.Nxc8 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.12"]
[White "Ammann, Philipp"]
[Black "Ftacnik, Lubomir"]
[Result "1/2-1/2"]
[WhiteElo "2220"]
[ECO "A00"]
[EventDate "1976.12.21"]
[PlyCount "85"]

1.g3 g6 2.Bg2 Bg7 3.e4 d6 4.d3 c5 5.f4 Nc6 6.Nf3 e5 7.O-O Nge7 8.Nh4 exf4 
9.gxf4 O-O 10.f5 Nxf5 11.Nxf5 gxf5 12.exf5 Nd4 13.f6 Bxf6 14.Nc3 Nf5 15.
Qh5 Ng7 16.Qh6 Bd4+ 17.Kh1 f5 18.Nd5 Ne6 19.Qh5 Bd7 20.Rxf5 Rxf5 21.Qxf5 
Qh4 22.Qe4 Qxe4 23.Bxe4 Rf8 24.Be3 Be5 25.c3 Kh8 26.Rg1 Bc6 27.h3 a5 28.
Kg2 Rb8 29.Kf2 b5 30.a3 b4 31.axb4 axb4 32.Ra1 bxc3 33.bxc3 Bxd5 34.Bxd5 
Bxc3 35.Ra7 Nf8 36.Bf4 c4 37.Bxc4 Ng6 38.Be3 Ne5 39.Ra2 d5 40.Bxd5 Nxd3+ 
41.Ke2 Nb4 42.Ra8 Rxa8 43.Bxa8 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.13"]
[White "Sequeira, Joao"]
[Black "Baart, Joan"]
[Result "0-1"]
[ECO "A04"]
[EventDate "1976.12.21"]
[PlyCount "54"]

1.Nf3 c5 2.g3 g6 3.Bg2 Bg7 4.O-O Nc6 5.d3 Nf6 6.Nbd2 O-O 7.e4 d5 8.Re1 e5 
9.a3 d4 10.Nb3 b6 11.Nh4 Ne8 12.Nd2 Be6 13.b4 cxb4 14.axb4 Nc7 15.Ba3 Nb5 
16.Qb1 Bf6 17.Nhf3 Be7 18.Bc1 f6 19.Nc4 Nc3 20.Qb2 b5 21.Na3 Bxb4 22.Nd2 
a5 23.f4 a4 24.f5 Bf7 25.fxg6 hxg6 26.Rf1 Bxa3 27.Rxa3 b4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.14"]
[White "Popovic, Petar"]
[Black "Nakano, Mikka"]
[Result "1-0"]
[WhiteElo "2405"]
[ECO "C49"]
[EventDate "1976.12.21"]
[PlyCount "37"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O a6 6.Bxc6 bxc6 7.Nxe5 O-O 8.d3
Re8 9.f4 Bb7 10.Ng4 d6 11.f5 Bxc3 12.bxc3 c5 13.Bg5 Kh8 14.Bxf6 gxf6 15.
Nh6 Qe7 16.Qh5 Rf8 17.Rf3 Rad8 18.Rh3 Rd7 19.Ng8 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.15"]
[White "Omuku, Emmanuel"]
[Black "Salazar Jacob, Hernan"]
[Result "1-0"]
[ECO "A10"]
[EventDate "1976.12.21"]
[PlyCount "67"]

1.c4 g6 2.g3 Bg7 3.Nf3 c5 4.Bg2 Nc6 5.O-O Nh6 6.e3 Nf5 7.a3 O-O 8.Qc2 e6 
9.Nc3 b6 10.b3 Bb7 11.Bb2 d5 12.cxd5 exd5 13.Ne1 d4 14.Nd1 Qd7 15.Rc1 a5 
16.Bh3 d3 17.Qb1 Nce7 18.Bxg7 Kxg7 19.Nb2 Nxg3 20.fxg3 Qxh3 21.Nbxd3 Nf5 
22.Nf2 Qh5 23.Rc4 Qe2 24.Qc1 Ba6 25.Ng2 Bxc4 26.bxc4 Rfd8 27.Ne4 Qd3 28.
Qb2+ Kf8 29.Qh8+ Ke7 30.Qf6+ Kf8 31.Ng5 Qd7 32.Qh8+ Ke7 33.Qe5+ Kf8 34.
Nxh7+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.16"]
[White "Klauner, Theodore"]
[Black "Kouatly, Bachar"]
[Result "0-1"]
[BlackElo "2370"]
[ECO "A16"]
[EventDate "1976.12.21"]
[PlyCount "98"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6 6.d3 Bg7 7.Be3 h6 8.Qc1 c6
9.Nf3 Be6 10.h3 Qd7 11.Rb1 Na6 12.a3 Nd5 13.Bd4 f6 14.Nxd5 Bxd5 15.e4 Ba2 
16.Ra1 Bf7 17.Qe3 b6 18.b4 e5 19.Bb2 c5 20.bxc5 bxc5 21.O-O O-O 22.Rfb1 
Rab8 23.Bc3 Qa4 24.Qc1 Rfd8 25.Bf1 Kh7 26.Bd2 Rb3 27.Rxb3 Bxb3 28.Ne1 Bf8 
29.Qc3 Nc7 30.Qa5 Rd7 31.Qxa4 Bxa4 32.Be3 Nb5 33.Nf3 Nd4 34.Nxd4 exd4 35.
Bc1 Rb7 36.Ra2 Rb1 37.Bf4 g5 38.Bc7 Bb3 39.Rd2 c4 40.dxc4 Bxc4 41.Rxd4 
Bxf1 42.Kh2 Bxa3 43.e5 fxe5 44.Rd7+ Kg8 45.Bxe5 Bc5 46.Rg7+ Kf8 47.Rc7 
Bxf2 48.Bg7+ Ke8 49.Bxh6 Rb2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.17"]
[White "Diesen, Mark"]
[Black "Van Egmond, Peter"]
[Result "1-0"]
[WhiteElo "2325"]
[ECO "C91"]
[EventDate "1976.12.21"]
[PlyCount "53"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.d4 d6 
9.c3 Bg4 10.Be3 exd4 11.cxd4 Na5 12.Bc2 c5 13.Nbd2 cxd4 14.Bxd4 Nc6 15.Be3
d5 16.h3 Bh5 17.g4 dxe4 18.gxh5 exf3 19.Qxf3 Nb4 20.Bb3 Nbd5 21.Bg5 h6 22.
Bh4 Re8 23.Rad1 Ra7 24.Ne4 Rd7 25.Ng3 Nc7 26.Nf5 Bb4 27.Nxh6+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.18"]
[White "Lo Kim Lin, Frank"]
[Black "Rayner, Emmanuel"]
[Result "0-1"]
[ECO "B85"]
[EventDate "1976.12.21"]
[PlyCount "58"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Be7 7.O-O a6 8.Be3 
O-O 9.f4 Qc7 10.Kh1 Nc6 11.Qe1 Bd7 12.Qg3 b5 13.a3 g6 14.f5 Nxd4 15.Bxd4 
e5 16.Be3 Bc6 17.Bf3 Qb7 18.Bh6 Rfe8 19.Bg5 Kg7 20.h4 Kh8 21.Rad1 Rad8 22.
fxg6 hxg6 23.Nd5 Bxd5 24.Bxf6+ Bxf6 25.Rxd5 Kg7 26.h5 Rh8 27.Kg1 Qb6+ 28.
Rf2 Qe3 29.hxg6 Bh4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.19"]
[White "Foisor, Ovidiu"]
[Black "Kokkinos, Leonidas"]
[Result "1-0"]
[ECO "E24"]
[EventDate "1976.12.21"]
[PlyCount "113"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 d5 5.a3 Bxc3+ 6.bxc3 h6 7.cxd5 exd5 8.e3 
O-O 9.Bd3 Nh5 10.Ne2 Qh4+ 11.g3 Qh3 12.Kf2 Qd7 13.g4 Nf6 14.h4 Ne8 15.Ng3 
g6 16.g5 h5 17.a4 Ng7 18.Qc2 b6 19.Ba3 Re8 20.e4 c6 21.exd5 cxd5 22.Rae1 
Nc6 23.Rxe8+ Qxe8 24.Re1 Be6 25.Qb3 Na5 26.Qb5 Rc8 27.Qxe8+ Rxe8 28.Bb5 
Rc8 29.Bb4 Nc4 30.Ba6 Rc7 31.Ra1 Bc8 32.Bxc4 Rxc4 33.a5 b5 34.Re1 Ne6 35.
Re5 Bb7 36.Ne2 a6 37.f4 Rc8 38.Ke3 Re8 39.Ng3 Ng7 40.Rxe8+ Nxe8 41.f5 f6 
42.gxf6 Nxf6 43.fxg6 Kg7 44.Kf4 Kxg6 45.Ke5 Ne4 46.Ne2 Nd2 47.Nf4+ Kf7 48.
Kd6 Nf3 49.Kc7 Ba8 50.Kb6 Nxh4 51.Nxh5 Ke6 52.Kxa6 Kd7 53.Ka7 Bc6 54.Kb8 
Nf3 55.a6 Ng5 56.a7 Ba8 57.Nf6+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.20"]
[White "Ahad, Wazin"]
[Black "Chandler, Murray Graham"]
[Result "0-1"]
[ECO "B49"]
[EventDate "1976.12.21"]
[PlyCount "106"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.Be3 Nf6 8.O-O 
Bb4 9.Nxc6 bxc6 10.Na4 O-O 11.c4 Bd6 12.Qc2 Bxh2+ 13.Kh1 Bf4 14.Bc5 Re8 
15.g3 Bh6 16.Bb6 Qe5 17.Nc3 d5 18.f4 Qb8 19.Bd4 Bb7 20.c5 Nd7 21.Bd3 g6 
22.e5 Bf8 23.b4 a5 24.a3 Ba6 25.Bxa6 Rxa6 26.Qd3 Qb7 27.Rab1 axb4 28.axb4 
Ra3 29.Rf2 Qa6 30.b5 Qb7 31.bxc6 Qxc6 32.Qb5 Rc8 33.Qxc6 Rxc6 34.Nb5 Rxg3 
35.Na7 Rxc5 36.Bxc5 Bxc5 37.Ra2 Bxa7 38.Rb7 Bd4 39.Rxd7 Rf3 40.Ra8+ Kg7 
41.Rdd8 Rxf4 42.Rg8+ Kh6 43.Ra3 Bxe5 44.Rh3+ Kg5 45.Rxh7 Bc3 46.Rf8 f5 47.
Re8 e5 48.Rc8 Rf3 49.Rc6 d4 50.Rg7 e4 51.Rcxg6+ Kf4 52.Kg2 e3 53.Rg8 e2 
0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.21"]
[White "Chaves, Jaime Augusto"]
[Black "Morris, Arthur"]
[Result "1-0"]
[ECO "B86"]
[EventDate "1976.12.21"]
[PlyCount "45"]

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.f4 Qc7 10.Qf3 Nc6 11.Be3 Bd7 12.f5 e5 13.Nde2 Na5 14.Bg5 Nxb3 15.
Bxf6 Nd2 16.Qd3 Qc5+ 17.Kh1 Bxf6 18.Qxd2 Bc6 19.Ng3 Rad8 20.Nh5 d5 21.
Nxf6+ gxf6 22.Rf3 Kh8 23.Qh6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.22"]
[White "Girault, Eric"]
[Black "Karaosmanoglu, Sedat"]
[Result "0-1"]
[ECO "D52"]
[EventDate "1976.12.21"]
[PlyCount "22"]

1.d4 e6 2.c4 Nf6 3.Nc3 d5 4.Bg5 Nbd7 5.Nf3 c6 6.e3 Qa5 7.Bxf6 Nxf6 8.cxd5 
Nxd5 9.Qb3 Bb4 10.Rc1 c5 11.Bb5+ $4 Qxb5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.23"]
[White "Messa, Roberto"]
[Black "Dur, Arne"]
[Result "1-0"]
[ECO "B21"]
[EventDate "1976.12.21"]
[PlyCount "99"]

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 e6 7.O-O Nf6 8.Qe2 
Be7 9.Rd1 e5 10.Be3 O-O 11.a3 Be6 12.b4 Rc8 13.Bxe6 fxe6 14.Qa2 Qd7 15.
Rac1 Ng4 16.Na4 Nxe3 17.fxe3 b6 18.Nc3 Bf6 19.Rd3 Rfd8 20.Rcd1 Qe7 21.Nd2 
Rd7 22.Nc4 Nd8 23.Nb5 d5 24.exd5 e4 25.d6 Qf7 26.R3d2 Qh5 27.Nc7 Bh4 28.
Qb3 b5 29.Na5 Qe5 30.a4 a6 31.axb5 axb5 32.Rd5 Qf6 33.Rf1 Qg6 34.Rdf5 Nf7 
35.Nxe6 Rxd6 36.Nd4 Rf6 37.Rxf6 Bxf6 38.Nxb5 Kh8 39.Nb7 Ne5 40.N5d6 Rc7 
41.Nc5 Nf3+ 42.Kh1 Nxh2 43.Kxh2 Be5+ 44.Kg1 Bxd6 45.Qd5 h6 46.Nxe4 Be7 47.
Nc5 Kh7 48.Ne6 Rc2 49.Nf4 Qc6 50.Qf5+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.24"]
[White "Marrero Martin, Miguel"]
[Black "Dunne, David Joseph"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1976.12.21"]
[PlyCount "88"]

1.e4 d6 2.d4 Nf6 3.Nd2 g6 4.Ngf3 Bg7 5.Bd3 O-O 6.O-O Nc6 7.c3 e5 8.dxe5 
Nxe5 9.Bc2 Re8 10.Re1 Bd7 11.h3 Nxf3+ 12.Nxf3 Bc6 13.Bg5 h6 14.Bxf6 Qxf6 
15.Nd4 Bd7 16.Qd2 Rad8 17.Bb3 Kh7 18.Re3 Rf8 19.Rf1 h5 20.f4 Bh6 21.Ref3 
Rde8 22.Qd3 Re7 23.e5 dxe5 24.fxe5 Qxe5 25.Bxf7 Bf5 26.Nxf5 Rexf7 27.Nxh6 
Rxf3 28.Rxf3 Rxf3 29.Qxf3 Kxh6 30.Qxb7 Qe1+ 31.Kh2 Qe5+ 32.Kh1 Qe1+ 33.Kh2
Qe5+ 34.g3 h4 35.Qf3 hxg3+ 36.Qxg3 Qe2+ 37.Qg2 Qe5+ 38.Kg1 Qe1+ 39.Qf1 
Qe3+ 40.Kg2 Qg5+ 41.Kf2 Qf5+ 42.Kg2 Qg5+ 43.Kh2 Qe5+ 44.Kg2 Qg5+ 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.25"]
[White "Twardon, Marian"]
[Black "Upton, Timothy"]
[Result "1-0"]
[ECO "C69"]
[EventDate "1976.12.21"]
[PlyCount "78"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.dxe5 Qxd1 8.
Rxd1 fxe5 9.Rd3 Bd6 10.Nbd2 b5 11.b3 Nf6 12.Bb2 Nd7 13.Ne1 O-O 14.Rg3 Bh5 
15.Nd3 Be2 16.Re1 Bxd3 17.Rxd3 Rad8 18.Nf1 Kf7 19.Bc1 Be7 20.Be3 Ke6 21.
Red1 Nf6 22.f3 Rd6 23.g3 Rfd8 24.Kf2 Rxd3 25.cxd3 Ba3 26.Rd2 c5 27.Ke2 h6 
28.Rc2 Nd7 29.f4 Kd6 30.Nd2 Bb4 31.Nf3 exf4 32.gxf4 g6 33.Rc1 Ke6 34.d4 
Nf6 35.d5+ Ke7 36.Ne5 Rg8 37.Kd3 Kd6 38.Nc6 Ng4 39.e5+ Kd7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.22"]
[Round "2.26"]
[White "Oltra Caurin, Ramon"]
[Black "Avgoustinos, Avgousti"]
[Result "1-0"]
[ECO "B99"]
[EventDate "1976.12.21"]
[PlyCount "97"]

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.fxg5 Ne5 13.Qe2 Nfg4 14.Nf3 hxg5 15.
Bg3 Bd7 16.Qd2 Nxf3 17.gxf3 Ne5 18.f4 gxf4 19.Bxf4 O-O-O 20.Rdf1 Rdg8 21.
Kb1 Rg7 22.Be2 Qc5 23.Be3 Qc6 24.a3 Rgh7 25.Bf4 Qc5 26.Rhg1 Bc6 27.Rd1 Rd8
28.h4 Rxh4 29.b4 Qb6 30.Rg3 Ng6 31.Be3 Qc7 32.b5 axb5 33.Nxb5 Bxb5 34.Bxb5
Ne5 35.Bd4 Nc6 36.Bxc6 bxc6 37.Rb3 c5 38.Bc3 Rd7 39.Ka2 Qc6 40.Rdb1 Ra7 
41.Rb8+ Kd7 42.Qg2 e5 43.Qg8 Qa6 44.R1b7+ Ke6 45.Qc8+ Kf6 46.Rxa7 Qxa7 47.
Rb1 Rf4 48.Qh8+ Ke6 49.Qh3+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.25"]
[Round "2.27"]
[White "Yap, Andronico"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "0-1"]
[ECO "B95"]
[EventDate "1976.12.21"]
[PlyCount "144"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.Qf3 Nbd7 8.Be2 
Qa5 9.h4 Ne5 10.Qf4 Be7 11.Nb3 Qc7 12.O-O-O Bd7 13.Qg3 Rc8 14.Rd2 b5 15.
Bxf6 Bxf6 16.f4 Nc4 17.Bxc4 bxc4 18.Nd4 Rb8 19.Nd1 O-O 20.c3 a5 21.h5 e5 
22.Nf3 a4 23.a3 Bc6 24.Nf2 exf4 25.Qxf4 Qb7 26.Rc2 Rfe8 27.Re1 h6 28.Re3 
Be5 29.Nxe5 dxe5 30.Qh4 Qe7 31.Qh3 Bd7 32.Qf3 Qg5 33.Rd2 Be6 34.Rd6 Qe7 
35.Rd1 Qg5 36.g4 Red8 37.Rg1 Qe7 38.Qe2 Rd7 39.Reg3 Qg5+ 40.Qe3 Qxe3+ 41.
Rxe3 f6 42.Ree1 Rbd8 43.Rd1 Kf7 44.Rdf1 Rd2 45.Rd1 Rxd1+ 46.Rxd1 Rxd1+ 47.
Kxd1 g6 48.Ke2 gxh5 49.gxh5 f5 50.exf5 Bxf5 51.Kf3 Kf6 52.Nd1 Kg5 53.Ne3 
Bd3 54.Nd5 Kxh5 55.Nb6 Kg5 56.Nxa4 e4+ 57.Kg3 e3 58.Nb6 e2 59.Kf2 h5 60.
Nd7 h4 61.Ne5 h3 62.Nf3+ Kf4 63.Ng1 h2 64.Nxe2+ Bxe2 65.Kg2 Ke3 66.Kxh2 
Kd2 67.Kg2 Kc2 68.Kf2 Bg4 69.Ke3 Kxb2 70.Kd4 Kb3 71.a4 Bf3 72.a5 Bb7 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.1"]
[White "Weidemann, Jorg"]
[Black "Rogers, Ian"]
[Result "0-1"]
[ECO "B15"]
[EventDate "1976.12.21"]
[PlyCount "70"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6 5.Ng3 c5 6.Be3 cxd4 7.Bxd4 Nc6 8.
Bxf6 Qxd1+ 9.Rxd1 gxf6 10.N1e2 Bd7 11.Nf4 O-O-O 12.Bc4 Bh6 13.Nd3 Rhg8 14.
Nc5 Bg4 15.Rxd8+ Rxd8 16.O-O Ne5 17.Bb3 b6 18.Nce4 f5 19.Nc3 f4 20.Nge4 f3
21.Re1 fxg2 22.Kxg2 Nf3 23.Rb1 Nd4 24.Bxf7 e6 25.Kg3 Bf5 26.f4 Kb8 27.Ng5 
Rf8 28.Rd1 e5 29.Bb3 exf4+ 30.Kh4 Bg7 31.Nd5 h6 32.Nh3 Nf3+ 33.Kh5 Bxh3 
34.Rd3 Rf5+ 35.Kg6 Rg5+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.2"]
[White "Vladimirov, Evgeny"]
[Black "Petursson, Margeir"]
[Result "1-0"]
[BlackElo "2390"]
[ECO "A13"]
[EventDate "1976.12.21"]
[PlyCount "107"]

1.Nf3 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 c5 7.O-O a6 8.Qc2 
b6 9.d3 Bb7 10.Nc3 Be7 11.e4 O-O 12.b3 Ng4 13.Bb2 Bf6 14.Rad1 Nde5 15.Ne1 
Nc6 16.Qe2 Nge5 17.Nc2 Ng6 18.f4 Nd4 19.Qf2 Nxc2 20.Qxc2 Bd4+ 21.Kh1 Ne7 
22.Ne2 Nc6 23.Nxd4 Nxd4 24.Qf2 a5 25.Bxd4 Qxd4 26.Qxd4 cxd4 27.e5 Bxg2+ 
28.Kxg2 Rfc8 29.Rc1 b5 30.a4 bxa4 31.bxa4 h5 32.Kf3 Rab8 33.Ke4 Rc3 34.
Rxc3 dxc3 35.Rc1 Rb4+ 36.d4 Rxa4 37.Rxc3 Ra2 38.f5 exf5+ 39.Kxf5 Rxh2 40.
d5 Rf2+ 41.Ke4 g5 42.d6 Rd2 43.Kf5 Kg7 44.Kxg5 a4 45.Kf5 Rd1 46.Ke4 f6 47.
Kf5 fxe5 48.Ke6 Kg6 49.d7 Kg5 50.Rc5 Rxd7 51.Rxe5+ Kg4 52.Kxd7 a3 53.Ra5 
a2 54.Ke6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.3"]
[White "Sisniega Campbell, Marcel"]
[Black "Wong, Sheldon"]
[Result "0-1"]
[ECO "B98"]
[EventDate "1976.12.21"]
[PlyCount "100"]

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 Nc6 10.Be2 Bd7 11.Rhf1 Rc8 12.f5 Nxd4 13.Rxd4 b5 14.Bd1 h6 15.Bh4 
Qc5 16.Rd2 b4 17.Ne2 Qa5 18.e5 Qxa2 19.Rxd6 Bxd6 20.fxe6 Bxe5 21.Bxf6 
Qxb2+ 22.Kd2 Bxe6 23.Bh4 O-O 24.Ke1 Rc4 25.Bg3 Bxg3+ 26.Qxg3 Re8 27.Kf2 
Rxc2 28.Bxc2 Qxc2 29.Rc1 Qd2 30.Qf4 Qxf4+ 31.Nxf4 a5 32.Ra1 Ra8 33.Nd3 Rd8
34.Nf4 Rd2+ 35.Ke3 Ra2 36.Rd1 Kf8 37.Kd4 g5 38.Nxe6+ fxe6 39.Ke5 Ke7 40.g4
Rxh2 41.Ra1 Re2+ 42.Kd4 Rg2 43.Rxa5 Rxg4+ 44.Ke5 Kf7 45.Ra7+ Kg6 46.Kxe6 
Rf4 47.Ra8 Rf6+ 48.Ke5 Rb6 49.Ra2 b3 50.Rb2 h5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.4"]
[White "Schussler, Harry"]
[Black "Leow, Leslie"]
[Result "1/2-1/2"]
[WhiteElo "2335"]
[BlackElo "2280"]
[ECO "B51"]
[EventDate "1976.12.21"]
[PlyCount "133"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nc6 4.O-O Bd7 5.Re1 a6 6.Bf1 Bg4 7.h3 Bh5 8.g4 Bg6
9.d4 cxd4 10.Nxd4 e5 11.Nf5 h5 12.Bg2 hxg4 13.hxg4 Bxf5 14.exf5 Qh4 15.Re3
Qh2+ 16.Kf1 d5 17.Nc3 O-O-O 18.Rd3 Nf6 19.g5 e4 20.Rg3 Bd6 21.gxf6 Bxg3 
22.fxg3 Qxg3 23.fxg7 Rh2 24.Qe2 Qxg7 25.Bf4 Nd4 26.Nxd5 Rxd5 27.Qc4+ Nc6 
28.Bxh2 Rxf5+ 29.Kg1 Qxb2 30.Rf1 Rxf1+ 31.Qxf1 Qxc2 32.Qf5+ Kd8 33.Qd5+ 
Ke8 34.Bxe4 Qc1+ 35.Kg2 Qb2+ 36.Kh3 Qh8+ 37.Kg2 Qb2+ 38.Kh3 Qh8+ 39.Kg3 
Qg7+ 40.Kf3 Qc3+ 41.Kg4 Qg7+ 42.Qg5 Qb2 43.Qg8+ Ke7 44.Qg5+ Ke8 45.Qe3 Kd8
46.Qd3+ Ke8 47.Qe3 Kd8 48.Bg3 Qxa2 49.Bh4+ f6 50.Bxf6+ Kc7 51.Bg5 Qe6+ 52.
Kg3 Kb8 53.Qf4+ Ka7 54.Qf2+ b6 55.Qf4 Qd7 56.Bf3 Nd4 57.Bg4 Ne6 58.Bxe6 
Qxe6 59.Qc7+ Ka8 60.Bf4 Qe1+ 61.Kg4 Qd1+ 62.Kg5 Qd5+ 63.Kf6 Qb7 64.Qd6 Ka7
65.Be5 Qc8 66.Qe7+ Qb7 67.Qd6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.5"]
[White "Hebert, Jean"]
[Black "Popovic, Petar"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2405"]
[ECO "D76"]
[EventDate "1976.12.21"]
[PlyCount "53"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.d4 O-O 5.c4 d5 6.cxd5 Nxd5 7.O-O Nc6 8.e4 
Nb6 9.d5 Na5 10.Nc3 c6 11.Ne1 cxd5 12.exd5 e6 13.Nc2 exd5 14.Nxd5 Nxd5 15.
Bxd5 Bd7 16.Ne3 Rc8 17.Bd2 Bb5 18.Re1 Nc4 19.Qb3 Nxe3 20.Bxe3 Qa5 21.a4 
Bc6 22.Bxc6 bxc6 23.Qc2 c5 24.Bd2 Qb6 25.Bc3 Bd4 26.Rad1 Rfd8 27.Rd2 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.6"]
[White "Vera Gonzalez, Reynaldo"]
[Black "Azadharf, Farrokh"]
[Result "1-0"]
[ECO "B96"]
[EventDate "1976.12.21"]
[PlyCount "45"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.e5 dxe5 
9.fxe5 Qc7 10.Qe2 Nfd7 11.O-O-O Bb7 12.Qg4 h5 13.Qf4 Nc6 14.Bxb5 axb5 15.
Ndxb5 Qb6 16.Rxd7 Kxd7 17.Qxf7+ Kc8 18.Qe8+ Nd8 19.Rd1 Bd5 20.Nxd5 exd5 
21.Rxd5 Qg1+ 22.Rd1 Ba3 23.Qd7+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.7"]
[White "Kouatly, Bachar"]
[Black "Omuku, Emmanuel"]
[Result "1-0"]
[WhiteElo "2370"]
[ECO "D54"]
[EventDate "1976.12.21"]
[PlyCount "61"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Rc1 h6 7.Bf4 c6 8.Nf3 Nbd7 
9.Ne5 c5 10.g4 Nh7 11.cxd5 cxd4 12.Qxd4 Bf6 13.dxe6 fxe6 14.Qd6 Nxe5 15.
Bxe5 Bxe5 16.Qxe5 Qh4 17.Qg3 Qxg3 18.hxg3 e5 19.Be2 Ng5 20.f4 exf4 21.gxf4
Nh7 22.Kf2 Be6 23.Rhd1 Rad8 24.Kg3 Kf7 25.e4 g6 26.e5 Kg7 27.Bf3 Rxd1 28.
Rxd1 Rf7 29.Nb5 Bxa2 30.Ra1 a6 31.Nd6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.8"]
[White "Groszpeter, Attila"]
[Black "Diesen, Mark"]
[Result "0-1"]
[BlackElo "2325"]
[ECO "B51"]
[EventDate "1976.12.21"]
[PlyCount "104"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.c3 Nf6 5.Qe2 a6 6.Ba4 b5 7.Bc2 Bb7 8.O-O e5 
9.d4 Be7 10.Rd1 Qc7 11.dxe5 dxe5 12.Bg5 O-O 13.Nbd2 Rfe8 14.Nf1 c4 15.Ne3 
h6 16.Bh4 Bf8 17.Nd5 Bxd5 18.exd5 e4 19.Nd4 Bd6 20.Bg3 Nc5 21.b3 Bxg3 22.
hxg3 Nd3 23.bxc4 bxc4 24.Ba4 Re5 25.Bc6 Rd8 26.Rab1 Nxd5 27.Rb7 Qd6 28.
Bxd5 Qxd5 29.Rdb1 Nc5 30.R7b4 Nd3 31.Rb6 Ra8 32.Qg4 h5 33.Qe2 Ree8 34.Rb7 
e3 35.fxe3 Qg5 36.e4 Qxg3 37.Nf5 Qg5 38.Qf3 Ne5 39.Qf2 Rad8 40.Nd4 Qg4 41.
Qf5 Qxf5 42.exf5 Ng4 43.Rc7 Re4 44.Rxc4 Rde8 45.g3 Re3 46.Kg2 Rd3 47.Kh3 
Rd2 48.Nf3 Rf2 49.Rf4 f6 50.Kh4 Ne5 51.Kxh5 Nxf3 52.Rh1 Ree2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.9"]
[White "Helmers, Knut"]
[Black "Baart, Joan"]
[Result "1/2-1/2"]
[WhiteElo "2265"]
[ECO "E77"]
[EventDate "1976.12.21"]
[PlyCount "53"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 d6 5.e4 Bg7 6.Be2 O-O 7.f4 e6 8.Nf3 exd5 9.
e5 dxe5 10.fxe5 Ng4 11.Bg5 f6 12.exf6 Bxf6 13.Bxf6 Qxf6 14.Qxd5+ Be6 15.
Qxc5 Na6 16.Qg5 Nb4 17.Qxf6 Rxf6 18.Rc1 Bf5 19.h3 Ne3 20.Kf2 Re8 21.a3 
Nbc2 22.Nd5 Nxd5 23.cxd5 Ne3 24.Rc3 Nxd5 25.Bc4 Be6 26.Bxd5 Bxd5 27.Rd1 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.10"]
[White "Ftacnik, Lubomir"]
[Black "Georgiev, Krum"]
[Result "1-0"]
[ECO "E97"]
[EventDate "1976.12.21"]
[PlyCount "63"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Be2 O-O 6.Nf3 e5 7.O-O Nc6 8.d5 Ne7 
9.Bd2 Ne8 10.Rc1 f5 11.Ng5 h6 12.Ne6 Bxe6 13.dxe6 Qc8 14.Qb3 c6 15.f4 exf4
16.Bxf4 g5 17.Bg3 f4 18.Bf2 Qxe6 19.Qxb7 Nf6 20.c5 d5 21.exd5 Nexd5 22.
Nxd5 Nxd5 23.Bc4 Rab8 24.Rce1 Qxe1 25.Qxc6 Qe7 26.Re1 Qd8 27.b3 Kh8 28.
Bxd5 g4 29.Re6 Qg5 30.Rg6 Qh5 31.Rxg7 g3 32.Rg8+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.11"]
[White "Greenberg, Nir"]
[Black "Messa, Roberto"]
[Result "1/2-1/2"]
[ECO "B09"]
[EventDate "1976.12.21"]
[PlyCount "83"]

1.d4 g6 2.e4 Bg7 3.Nc3 d6 4.f4 Nf6 5.Nf3 O-O 6.Bd3 Nc6 7.O-O Bg4 8.e5 dxe5
9.dxe5 Nd5 10.h3 Nxc3 11.bxc3 Bf5 12.Bxf5 Qxd1 13.Rxd1 gxf5 14.Nd4 Rfd8 
15.Be3 Nxd4 16.cxd4 e6 17.g4 fxg4 18.hxg4 Rd7 19.Kf2 Rad8 20.Kf3 Rd5 21.c4
R5d7 22.Ke4 f6 23.Rd3 fxe5 24.fxe5 c6 25.Rad1 Rc8 26.Bg5 Rf8 27.d5 exd5+ 
28.cxd5 Re8 29.Bf4 Bxe5 30.Bxe5 Rde7 31.dxc6 Rxe5+ 32.Kf4 Re4+ 33.Kf5 
R4e5+ 34.Kf4 bxc6 35.Rd8 Kf7 36.Rxe8 Rxe8 37.Kf5 Re7 38.Rd8 Rb7 39.Rc8 
Rb5+ 40.Kf4 Ra5 41.Rxc6 Rxa2 42.Rc7+ 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.12"]
[White "Binham, Timothy"]
[Black "Foisor, Ovidiu"]
[Result "0-1"]
[ECO "A05"]
[EventDate "1976.12.21"]
[PlyCount "98"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O e6 5.d3 d5 6.Nbd2 Nbd7 7.Re1 Bc5 8.c4 
dxc4 9.Nxc4 O-O 10.Bd2 Be7 11.Qc2 c5 12.Rad1 Rc8 13.Qb1 Nb8 14.Nce5 Nc6 
15.Nxc6 Bxc6 16.e4 Qc7 17.Bc3 Rfd8 18.d4 cxd4 19.Nxd4 Be8 20.Bh3 Bd7 21.
Bg2 Ba4 22.Rc1 Qb8 23.Bh3 Bc5 24.Nxe6 fxe6 25.Bxe6+ Kh8 26.Bxc8 Rxc8 27.
Bxf6 gxf6 28.b3 Bc6 29.Qb2 Qe5 30.Qxe5 fxe5 31.Rc2 a5 32.Kf1 Bb5+ 33.Kg2 
Rd8 34.f3 Kg7 35.h4 Kf6 36.g4 Ke6 37.Kg3 Rd3 38.Ree2 Rd1 39.Rcd2 Rh1 40.
Rh2 Re1 41.g5 Be3 42.Kg4 h6 43.Kh5 hxg5 44.hxg5 Bf4 45.Rhg2 Be8+ 46.g6 
Rh1+ 47.Kg4 Rh6 48.Rge2 Rxg6+ 49.Kh3 Bd7 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.13"]
[White "Rayner, Emmanuel"]
[Black "Ammann, Philipp"]
[Result "0-1"]
[BlackElo "2220"]
[ECO "B47"]
[EventDate "1976.12.21"]
[PlyCount "44"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.Be2 Qc7 7.O-O Nf6 8.Kh1 
Bb4 9.Bg5 Bxc3 10.Bxf6 gxf6 11.bxc3 d6 12.Rb1 Bd7 13.Qc1 h5 14.f4 Rc8 15.
Nb3 h4 16.Qa3 Ne7 17.c4 f5 18.Nd2 Bc6 19.Bf3 fxe4 20.Nxe4 Nf5 21.Rbd1 Bxe4
22.Bxe4 Ng3+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.14"]
[White "Kristensen, Leif"]
[Black "Campora, Daniel Hugo"]
[Result "1-0"]
[ECO "C27"]
[EventDate "1976.12.21"]
[PlyCount "79"]

1.e4 e5 2.Nc3 Nf6 3.Bc4 Nxe4 4.Qh5 Nd6 5.Bb3 Nc6 6.Nb5 g6 7.Qf3 f5 8.Qd5 
Qf6 9.Nxc7+ Kd8 10.Nxa8 b6 11.d3 Bb7 12.Qf3 Bg7 13.h4 h6 14.Qh3 Bxa8 15.
Bd2 Nd4 16.c3 Ne6 17.Ne2 g5 18.O-O-O g4 19.Qg3 h5 20.f3 f4 21.Qf2 g3 22.
Qg1 Bh6 23.Bc2 Re8 24.Re1 Nf5 25.d4 Nxh4 26.dxe5 Qg5 27.Nd4 Ng6 28.Nf5 Rf8
29.Nxh6 Qxh6 30.Qf1 h4 31.Qd3 Ne7 32.b4 Bc6 33.c4 Nf5 34.b5 Bb7 35.Qa3 
Nfd4 36.Qxa7 Nxc2 37.Qxb7 Nc5 38.Qb8+ Ke7 39.Qd6+ Qxd6 40.exd6+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.15"]
[White "Chandler, Murray Graham"]
[Black "Oltra Caurin, Ramon"]
[Result "1-0"]
[ECO "B10"]
[EventDate "1976.12.21"]
[PlyCount "94"]

1.e4 c6 2.d3 d5 3.Nd2 e5 4.Ngf3 Bd6 5.g3 Ne7 6.Bg2 O-O 7.O-O Bg4 8.Re1 d4 
9.c3 c5 10.h3 Bc8 11.Nc4 f6 12.a4 Nbc6 13.Bd2 Be6 14.Rb1 a6 15.Nh4 Bc7 16.
cxd4 cxd4 17.b4 b5 18.Na3 Rb8 19.axb5 axb5 20.f4 exf4 21.gxf4 Ng6 22.Nxg6 
hxg6 23.Qf3 g5 24.e5 Ne7 25.exf6 Rxf6 26.Rxe6 Rxe6 27.f5 Ra6 28.Bxg5 Qd6 
29.Re1 Nxf5 30.Qxf5 Rf8 31.Qd5+ Kh8 32.Qxd6 Bxd6 33.Nxb5 Bg3 34.Rf1 Rxf1+ 
35.Kxf1 Re6 36.Be4 Re5 37.Nd6 Re6 38.Nf5 Be5 39.b5 Rb6 40.Bc6 Rb8 41.Ke2 
g6 42.Ne7 Kg7 43.Kf3 Bf6 44.h4 Kf7 45.Nd5 Be5 46.Ke4 Ke6 47.Nf4+ Bxf4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.16"]
[White "Karaosmanoglu, Sedat"]
[Black "Chaves, Jaime Augusto"]
[Result "0-1"]
[ECO "D93"]
[EventDate "1976.12.21"]
[PlyCount "160"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 O-O 6.Nf3 c5 7.Qb3 cxd4 8.Nxd4 
Nc6 9.Nxc6 bxc6 10.Be2 Qa5 11.O-O e5 12.Bg3 d4 13.exd4 exd4 14.Na4 Ne4 15.
Bf4 Nc5 16.Nxc5 Qxc5 17.Bf3 a5 18.Qa4 Bd7 19.Rad1 Qb4 20.Qxb4 axb4 21.Bd6 
Rfc8 22.Bxb4 Ra4 23.Bc5 Rxc4 24.b4 Bf5 25.Be2 Rc2 26.Bd3 Bxd3 27.Rxd3 Rxa2
28.g4 Re2 29.Kg2 Re5 30.f4 Rd5 31.f5 Bf8 32.Bxf8 Kxf8 33.Rf4 Rcd8 34.fxg6 
hxg6 35.Rf6 c5 36.bxc5 Rxc5 37.Kf3 Ke7 38.Rf4 Rc4 39.Ke4 Rd7 40.h4 Ra4 41.
h5 gxh5 42.gxh5 Kf8 43.Rh4 Kg7 44.Kf3 Kh6 45.Ke4 Ra5 46.Kf3 Rf5+ 47.Kg3 
Rfd5 48.Kf3 R7d6 49.Rf4 f6 50.Rh4 Rd8 51.Kf2 R8d7 52.Kf3 R7d6 53.Kg3 Rg5+ 
54.Kf3 Rf5+ 55.Kg3 Rfd5 56.Kf3 Kg5 57.Kg3 Kh6 58.Kf3 Rd8 59.Kf2 Kg5 60.Kg3
Kf5 61.Kf3 Ke5 62.h6 f5 63.h7 Rh8 64.Rh2 Rdd8 65.Re2+ Kf6 66.Red2 Ke5 67.
Re2+ Kd5 68.Re7 Kc4 69.Ke2 $2 Rde8 70.Rxe8 Rxe8+ 71.Kd2 Rh8 72.Rf3 $4 Rxh7
73.Rxf5 Rh2+ 74.Kd1 Kc3 75.Rf1 Ra2 76.Rf8 Ra1+ 77.Ke2 d3+ 78.Kf2 d2 79.
Rc8+ Kb4 80.Rb8+ Kc5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.17"]
[White "Smith, Alvin Louis"]
[Black "Twardon, Marian"]
[Result "0-1"]
[ECO "B33"]
[EventDate "1976.12.21"]
[PlyCount "120"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nb3 Bb4 7.Qd3 d5 8.exd5 
Nxd5 9.Bd2 Bxc3 10.Bxc3 O-O 11.O-O-O Be6 12.Qg3 Qc7 13.Kb1 Rac8 14.Bc4 Nf4
15.Bxe6 Nxe6 16.Rd2 Rfd8 17.Rhd1 Rxd2 18.Rxd2 b5 19.a3 a5 20.Re2 f6 21.Qg4
Re8 22.g3 a4 23.Nc1 Qe7 24.Qe4 Qc5 25.Nd3 Qc4 26.Nb4 Ncd4 27.Bxd4 Qxd4 28.
Qxd4 Nxd4 29.Re3 Kf7 30.Kc1 f5 31.h4 e4 32.Nd5 Rd8 33.Nc3 Ke6 34.Ne2 Nxe2+
35.Rxe2 h6 36.Rd2 Rh8 37.Rd4 $2 g5 38.h5 Ke5 39.Rb4 Rb8 40.c4 Kd4 41.Kd2 
Kc5 42.Kc3 $2 f4 43.gxf4 gxf4 44.cxb5 Rxb5 45.Rxa4 $4 Kd5 46.b4 Rb7 47.
Ra5+ Ke6 48.Kd2 Rd7+ 49.Ke2 Rc7 50.Ra6+ $2 Kf5 51.Kd2 Rd7+ 52.Ke2 Rc7 53.
Rxh6 Rc2+ 54.Ke1 Kg4 55.Rg6+ Kf3 56.Rd6 Re2+ 57.Kd1 Rxf2 58.Rd2 $2 e3 59.
Rd4 Ra2 60.Rd5 Kf2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.18"]
[White "Sellos, Didier"]
[Black "Mestel, Andrew Jonathan"]
[Result "0-1"]
[BlackElo "2390"]
[ECO "A04"]
[EventDate "1976.12.21"]
[PlyCount "112"]

1.e4 c5 2.Nf3 d6 3.d3 g6 4.g3 Bg7 5.Bg2 Nc6 6.O-O Nh6 7.Nc3 O-O 8.Nd5 e6 
9.Ne3 f5 10.exf5 gxf5 11.Re1 Qf6 12.c3 Nf7 13.Nh4 Bd7 14.f4 b5 15.Qe2 Rab8
16.Nd1 Rfe8 17.Qf1 b4 18.Be3 bxc3 19.bxc3 Qd8 20.Rc1 Qa5 21.Rc2 Rb1 22.h3 
Ne7 23.g4 Ba4 24.Rce2 Bxd1 25.Rxd1 Rxd1 26.Qxd1 Qxc3 27.Rc2 Qa3 28.Bc1 Qa4
29.Qe2 Bf6 30.Rc4 Qd7 31.Nf3 Nc6 32.Qd1 Nd4 33.Nxd4 Bxd4+ 34.Kh2 e5 35.
gxf5 Qxf5 36.Be4 Qf6 37.Qh5 Qg7 38.Qg4 exf4 39.Qxg7+ Kxg7 40.Bxf4 Be5 41.
Bxe5+ Rxe5 42.Ra4 Re7 43.Ra6 Kf6 44.Bxh7 Ng5 45.Bg8 Ke5 46.h4 Rg7 47.d4+ 
Ke4 48.hxg5 Rxg8 49.dxc5 dxc5 50.g6 c4 51.Rc6 Kd5 52.Rf6 c3 53.Rf3 Kd4 54.
Rg3 c2 55.Rg4+ Kc3 56.Rg3+ Kb2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.19"]
[White "Nakano, Mikka"]
[Black "Klauner, Theodore"]
[Result "0-1"]
[ECO "E54"]
[EventDate "1976.12.21"]
[PlyCount "70"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4 8.Bxc4 b6
9.Bd3 Bb7 10.a3 cxd4 11.exd4 Be7 12.Bg5 Nbd7 13.Rc1 Nd5 14.Bxe7 Qxe7 15.
Bb1 Rac8 16.Qd3 g6 17.Nxd5 Bxd5 18.Qe3 Nf6 19.Ne5 Bb7 20.f3 Nd5 21.Qd2 
Rfd8 22.Rc2 Rxc2 23.Bxc2 Qf6 24.g3 Ne7 25.Qb4 Nc6 26.Nxc6 Bxc6 27.Rf2 Qxd4
28.Qe7 Rd7 29.Qb4 Qxb4 30.axb4 Rd4 31.Kg2 Rxb4 32.Bd1 Ba4 33.Bxa4 Rxa4 34.
Rc2 Ra2 35.Kh3 a5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.20"]
[White "Salazar Jacob, Hernan"]
[Black "Zapata Ramirez, Alonso"]
[Result "0-1"]
[ECO "B43"]
[EventDate "1976.12.21"]
[PlyCount "75"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Bb4 7.Ne2 Be7 8.Bg2 
Nc6 9.O-O Nf6 10.h3 O-O 11.g4 d6 12.Ng3 b5 13.a3 Rb8 14.g5 Nd7 15.f4 a5 
16.f5 Nce5 17.Nh5 b4 18.axb4 axb4 19.Ne2 Qd8 20.Qe1 g6 21.f6 gxh5 22.fxe7 
Qxe7 23.Qh4 Bb7 24.Nf4 Ng6 25.Qxh5 Rfc8 26.Qe2 Qxg5 27.Nxe6 Qe5 28.Ng5 f6 
29.Nxh7 Kxh7 30.Rf5 Qe8 31.h4 Rc5 32.Qh5+ Kg8 33.Qg4 Rxf5 34.exf5 Qe1+ 35.
Bf1 Ne5 36.Bf4 Nxg4 37.Rxe1 Nxf4 38.Rd1 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.21"]
[White "Dunne, David Joseph"]
[Black "Yap, Andronico"]
[Result "1-0"]
[ECO "B47"]
[EventDate "1976.12.21"]
[PlyCount "68"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nc3 e6 6.g3 Nf6 7.Ndb5 Qb8 8.Bf4 
e5 9.Bg5 a6 10.Bxf6 gxf6 11.Na3 b5 12.Nd5 Be7 13.Bh3 Ra7 14.c3 d6 15.Bxc8 
Qxc8 16.Qf3 Qe6 17.Nc2 Rg8 18.Nce3 Rg6 19.Nf5 Bd8 20.O-O Ne7 21.Rfd1 Nc8 
22.Rd3 a5 23.Rad1 Kf8 24.R1d2 Ra6 25.Qh5 Kg8 26.Kh1 Rg5 27.Qf3 Rc6 28.a3 
Kh8 29.Qd1 Rg6 30.g4 Qd7 31.Rh3 Qb7 32.Qf3 Rc4 33.b3 Rc6 34.Rh5 Kg8 {Time}
1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.22"]
[White "Van Egmond, Peter"]
[Black "Sequeira, Joao"]
[Result "1-0"]
[ECO "A49"]
[EventDate "1976.12.21"]
[PlyCount "83"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d6 6.Nc3 Nbd7 7.e4 e5 8.a4 exd4
9.Nxd4 Re8 10.a5 Nc5 11.Re1 a6 12.f3 Bd7 13.Be3 Bc6 14.Nce2 Ne6 15.c4 Nd7 
16.b4 Ne5 17.Qb3 Bd7 18.Rad1 Nxd4 19.Nxd4 Nc6 20.Nxc6 bxc6 21.c5 Rb8 22.
cxd6 cxd6 23.Qa3 Bf8 24.Bf4 Be6 25.Bf1 g5 26.Be3 d5 27.Bc5 Bxc5+ 28.bxc5 
Qc7 29.Qc3 dxe4 30.fxe4 Rb3 31.Qf6 Qe7 32.Qxe7 Rxe7 33.Ra1 Rb8 34.Bxa6 Ra7
35.Bf1 Rba8 36.a6 Bc8 37.Re3 Re7 38.Rb3 Rxe4 39.a7 Bd7 40.Rb8+ Re8 41.
Rxe8+ Bxe8 42.Bh3 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.23"]
[White "Tonoli, Walter"]
[Black "Marrero Martin, Miguel"]
[Result "1/2-1/2"]
[ECO "B50"]
[EventDate "1976.12.21"]
[PlyCount "106"]

1.e4 c5 2.Nf3 e6 3.b3 d6 4.Bb2 e5 5.Bb5+ Nc6 6.O-O Nf6 7.c3 Be7 8.d4 Bd7 
9.d5 Nb8 10.Bxd7+ Nbxd7 11.Nbd2 b5 12.Qe2 Rb8 13.c4 a6 14.Ne1 O-O 15.Nd3 
Nb6 16.g3 bxc4 17.Nxc4 Nxc4 18.bxc4 Qd7 19.f4 Qg4 20.Qxg4 Nxg4 21.Rfe1 f6 
22.Bc3 Rb7 23.Bd2 Rfb8 24.h3 Nh6 25.Kg2 Nf7 26.Rac1 Bd8 27.Kf3 h5 28.f5 
Ng5+ 29.Kg2 Kf7 30.h4 Nh7 31.g4 hxg4 32.Kg3 g6 33.Kxg4 Be7 34.Rg1 Rg8 35.
Kf3 gxf5 36.exf5 Rbb8 37.Rxg8 Kxg8 38.Bh6 Bf8 39.Bd2 Kf7 40.Rg1 Be7 41.Bc3
Nf8 42.Nf2 Nd7 43.Ne4 Rh8 44.Kg3 Rg8+ 45.Kf2 Rxg1 46.Kxg1 Nb6 47.Nd2 Bf8 
48.Ba5 Na4 49.Bc7 Nb2 50.Kf2 Ke7 51.Ke2 Bh6 52.h5 Kd7 53.Ba5 Ke7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.24"]
[White "Upton, Timothy"]
[Black "Kokkinos, Leonidas"]
[Result "0-1"]
[ECO "B85"]
[EventDate "1976.12.21"]
[PlyCount "88"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e6 7.Be3 Be7 8.O-O 
O-O 9.f4 Nc6 10.Bf3 Bd7 11.Qe2 Nxd4 12.Bxd4 Bc6 13.Rad1 Qc7 14.e5 Nd7 15.
Bxc6 bxc6 16.exd6 Bxd6 17.Ne4 Bxf4 18.Bxg7 Bxh2+ 19.Kh1 Kxg7 20.Qh5 Bf4 
21.Qg4+ Kh8 22.Qxf4 Qxf4 23.Rxf4 Ne5 24.Nc5 Rfd8 25.Re1 Rd5 26.b4 a5 27.
Rfe4 Ng6 28.Nd3 axb4 29.Nxb4 Rh5+ 30.Kg1 c5 31.Nd3 Rxa2 32.Rc4 Ra5 33.Nf4 
Nxf4 34.Rxf4 Kg7 35.Rg4+ Kf8 36.Rb1 Ra7 37.Rb8+ Ke7 38.Rc4 Rd5 39.Rh8 h5 
40.Rh7 Rf5 41.Rh8 Ra1+ 42.Kh2 Ra2 43.Kg3 Rg5+ 44.Kh3 Ra3+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.25"]
[White "Avgoustinos, Avgousti"]
[Black "Dur, Arne"]
[Result "0-1"]
[ECO "B33"]
[EventDate "1976.12.21"]
[PlyCount "130"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nb3 Bb4 7.Bc4 O-O 8.Qd3 
h6 9.f3 Be7 10.Be3 d6 11.O-O-O Be6 12.Bxe6 fxe6 13.a3 Rc8 14.Kb1 a6 15.g4 
b5 16.h4 b4 17.axb4 Nxb4 18.Qd2 Nh7 19.g5 h5 20.f4 exf4 21.Bxf4 Qb6 22.g6 
Nf6 23.Bxd6 Rcd8 24.e5 Ng4 25.Ne4 Nxe5 26.Qe2 Nxg6 27.Qxh5 Qc6 28.Bxb4 
Qxe4 29.Rde1 Qxb4 30.Qxg6 Rf6 31.Qg3 a5 32.Rhg1 Bf8 33.Qg5 a4 34.c3 Qe7 
35.Nd4 Rd5 36.Qg4 e5 37.Qe4 Qd7 38.Nf3 Rf4 39.Nxe5 Rxe4 40.Nxd7 Rxe1+ 41.
Rxe1 Rxd7 42.Re4 Ra7 43.Ka2 Ra5 44.b4 axb3+ 45.Kxb3 Rc5 46.Kc2 Kh7 47.Kd3 
Rf5 48.c4 g6 49.Rg4 Kh6 50.Ke4 Kh5 51.Rg2 Be7 52.Kd4 Bf6+ 53.Ke4 Bxh4 54.
Rc2 Be7 55.Rc1 Kg5 56.Rc2 Kf6 57.Rc1 g5 58.Rc2 Bc5 59.Rg2 Re5+ 60.Kf3 Kf5 
61.Rc2 g4+ 62.Kg2 Kf4 63.Rd2 Re1 64.Rd7 Rg1+ 65.Kh2 g3+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.26"]
[White "Morris, Arthur"]
[Black "Lo Kim Lin, Frank"]
[Result "1/2-1/2"]
[ECO "C96"]
[EventDate "1976.12.21"]
[PlyCount "48"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Na5 10.Bc2 c5 11.d4 Bb7 12.d5 Nd7 13.b3 f5 14.exf5 Nf6 15.Bg5 Nxd5 
16.Bxe7 Nxe7 17.Ng5 Bc8 18.Nxh7 Kxh7 19.f6+ Nf5 20.Qh5+ Kg8 21.Bxf5 Bxf5 
22.Qxf5 Qxf6 23.Qxf6 Rxf6 24.Nd2 Nb7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.23"]
[Round "3.27"]
[White "Girault, Eric"]
[Black "Ahad, Wazin"]
[Result "1/2-1/2"]
[ECO "E99"]
[EventDate "1976.12.21"]
[PlyCount "122"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Ne1 Ne8 10.Nd3 f5 11.Bd2 Nf6 12.f3 f4 13.Rc1 g5 14.c5 Ng6 15.cxd6 cxd6 
16.Nb5 Rf7 17.Qb3 h5 18.Rc2 a6 19.Na3 g4 20.Rfc1 gxf3 21.Bxf3 Bg4 22.Be1 
Ne8 23.Nc4 Bxf3 24.gxf3 b5 25.Na5 Nh4 26.Bxh4 Qxh4 27.Kh1 Kh7 28.Rg2 Bf6 
29.Nc6 Bd8 30.Nxd8 Rxd8 31.Nb4 Nc7 32.Qa3 Qh3 33.Nc6 Rdd7 34.Rcg1 Rg7 35.
Rxg7+ Rxg7 36.Rxg7+ Kxg7 37.Qd3 Kf8 38.Qe2 Qh4 39.Kg1 Ne8 40.Qf2 Qg5+ 41.
Qg2 Qh4 42.Kf1 Kf7 43.Ke2 Nf6 44.Nd8+ Ke7 45.Ne6 Ne8 46.Qg1 Qh3 47.Qa7+ 
Kf6 48.Qg1 Qh4 49.Qg8 Ke7 50.Qf8+ Kd7 51.Qf7+ Qe7 52.Qxh5 Ng7 53.Nxg7 Qxg7
54.Qg4+ Qxg4 55.fxg4 Ke7 56.h4 Kf6 57.g5+ Kg6 58.Kf2 Kh5 59.Kf3 Kg6 60.Kg4
a5 61.h5+ Kg7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Ahad, Wazin"]
[Black "Nakano, Mikka"]
[Result "1-0"]
[ECO "C68"]
[EventDate "1976.12.21"]
[PlyCount "41"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6 6.d4 f6 7.dxe5 fxe5 8.Qe2
Bg4 9.Be3 O-O-O 10.Nbd2 Bxf3 11.Nxf3 Kb8 12.Rad1 Qe7 13.Rxd8+ Qxd8 14.Nxe5
Nf6 15.Nf7 Qe8 16.Nxh8 Nxe4 17.Re1 Bd6 18.Bd4 Qxh8 19.Qxe4 h6 20.Qe8+ Qxe8
21.Rxe8# 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Ammann, Philipp"]
[Black "Chandler, Murray Graham"]
[Result "1/2-1/2"]
[WhiteElo "2220"]
[ECO "A10"]
[EventDate "1976.12.21"]
[PlyCount "85"]

1.Nf3 b6 2.c4 Bb7 3.Nc3 Nf6 4.d3 g6 5.e4 Bg7 6.g3 O-O 7.Bg2 c5 8.O-O Nc6 
9.h3 d6 10.Be3 Rc8 11.b3 Ng4 12.hxg4 Bxc3 13.Rc1 Bb2 14.Rb1 Bg7 15.a3 a5 
16.Qd2 Re8 17.Bh3 Qc7 18.Ng5 e6 19.f4 d5 20.e5 f6 21.Nxe6 Rxe6 22.cxd5 
Ree8 23.g5 fxe5 24.Bxc8 Qxc8 25.dxc6 Qxc6 26.Kh2 Rd8 27.Qf2 Rxd3 28.Rbd1 
e4 29.f5 gxf5 30.Qxf5 Qe8 31.Rxd3 exd3 32.Qxd3 Bb2 33.Qc4+ Kg7 34.Qe2 Qe5 
35.Qh5 Qe7 36.g6 hxg6 37.Qh6+ Kg8 38.Qxg6+ Bg7 39.Qg5 Qd7 40.Qf5 Qc6 41.
Qf7+ Kh8 42.Qf2 Qd5 43.g4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Avgoustinos, Avgousti"]
[Black "Upton, Timothy"]
[Result "0-1"]
[ECO "C73"]
[EventDate "1976.12.21"]
[PlyCount "70"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 f6 7.Qd3 Ne7 8.Nc3 
Ng6 9.Be3 Be7 10.Qc4 Qd7 11.O-O-O a5 12.h4 h5 13.Rh3 exd4 14.Nxd4 Ne5 15.
Qb3 Bf8 16.f4 Ng4 17.Na4 g6 18.f5 Nxe3 19.Rxe3 Bh6 20.fxg6 Bxe3+ 21.Qxe3 
c5 22.Nxc5 dxc5 23.Nf5 Qc6 24.g7 Rg8 25.Qh6 Bxf5 26.exf5 Ke7 27.Qe3+ Kf7 
28.Qh6 Rxg7 29.Qxh5+ Kg8 30.g4 Qf3 31.Qh6 Rf8 32.g5 Qxf5 33.gxf6 Qxf6 34.
Qh5 Qf4+ 35.Kb1 Qf3 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Azadharf, Farrokh"]
[Black "Dunne, David Joseph"]
[Result "1/2-1/2"]
[ECO "A38"]
[EventDate "1976.12.21"]
[PlyCount "66"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 d6 6.c4 c5 7.Nc3 Nc6 8.Rb1 a6 
9.a3 Rb8 10.b4 cxb4 11.axb4 b5 12.cxb5 axb5 13.Bd2 Bg4 14.h3 Bxf3 15.Bxf3 
Qd7 16.Bg2 Rfc8 17.e3 e6 18.Qb3 d5 19.Rfc1 Ne7 20.Ne2 Qd6 21.Bc3 Nd7 22.
Bxg7 Kxg7 23.Nd4 Nc6 24.Nxc6 Rxc6 25.Qb2+ Kg8 26.Rxc6 Qxc6 27.Rc1 Qd6 28.
Bf1 Ra8 29.d4 Ra4 30.Bxb5 Rxb4 31.Qa3 Nf6 32.Kg2 Ne4 33.Rc6 Qf8 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Baart, Joan"]
[Black "Leow, Leslie"]
[Result "1/2-1/2"]
[BlackElo "2280"]
[ECO "A94"]
[EventDate "1976.12.21"]
[PlyCount "34"]

1.c4 f5 2.d4 Nf6 3.g3 e6 4.Bg2 Be7 5.Nf3 O-O 6.O-O d5 7.b3 c6 8.Ba3 Ne4 9.
e3 Nd7 10.Bxe7 Qxe7 11.Nbd2 b6 12.Qc2 a5 13.cxd5 cxd5 14.Rfc1 Ba6 15.Qb2 
Rac8 16.Rxc8 Rxc8 17.Rc1 Qe8 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Campora, Daniel Hugo"]
[Black "Rayner, Emmanuel"]
[Result "1-0"]
[ECO "B40"]
[EventDate "1976.12.21"]
[PlyCount "77"]

1.e4 c5 2.Nc3 e6 3.Nf3 a6 4.g3 b5 5.Bg2 Bb7 6.d3 d6 7.O-O Be7 8.h3 Nf6 9.
Nh2 d5 10.e5 Nfd7 11.f4 Qc7 12.Nf3 Nc6 13.Re1 g6 14.a4 b4 15.Ne2 d4 16.Nd2
f6 17.exf6 Nxf6 18.Nc4 O-O 19.Kh2 Nd7 20.Ng1 e5 21.Nf3 Bf6 22.Re2 Rae8 23.
Qe1 Re7 24.Bd2 Rfe8 25.Qf1 exf4 26.Bxf4 Nce5 27.Nfxe5 Nxe5 28.Rae1 Bc8 29.
Bd5+ Kg7 30.Nxe5 Bxe5 31.Rxe5 Rxe5 32.Rxe5 Rxe5 33.Bxe5+ Qxe5 34.Qf7+ Kh6 
35.Qf8+ Kg5 36.Bf3 Qf6 37.h4+ Kf5 38.Bg4+ Ke5 39.Qxc5# 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Diesen, Mark"]
[Black "Rogers, Ian"]
[Result "1-0"]
[WhiteElo "2325"]
[ECO "C64"]
[EventDate "1976.12.21"]
[PlyCount "103"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 f5 5.d4 fxe4 6.Nxe5 Nxe5 7.Qh5+ Nf7 8.Bc4
Qe7 9.dxc5 Nf6 10.Qxf7+ Qxf7 11.Bxf7+ Kxf7 12.Bf4 Nd5 13.Bg3 b6 14.Na3 
bxc5 15.O-O-O Nf6 16.Nb5 d5 17.Nxc7 Bg4 18.Rd2 Rad8 19.h3 Be6 20.Be5 Rd7 
21.f3 e3 22.Rd3 Bf5 23.Rxe3 d4 24.Re2 dxc3 25.bxc3 Rb8 26.Rb2 Rxb2 27.Kxb2
Rd2+ 28.Kb3 Rxg2 29.Bd6 Nd7 30.Re1 Rd2 31.Re7+ Kg6 32.Ne8 Rd3 33.Rxg7+ Kh5
34.Re7 Kh4 35.Bc7 Kxh3 36.Nd6 c4+ 37.Kb4 Nb6 38.Nxf5 Nd5+ 39.Kxc4 Nxe7 40.
Kxd3 Nxf5 41.c4 h5 42.Ke4 Ne7 43.Bd6 Nc8 44.c5 h4 45.Be5 Ne7 46.Bf6 Nc8 
47.c6 a5 48.a4 Nd6+ 49.Kf4 Nc8 50.c7 Na7 51.Ke4 Nc8 52.Be5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Dur, Arne"]
[Black "Binham, Timothy"]
[Result "1/2-1/2"]
[ECO "C74"]
[EventDate "1976.12.21"]
[PlyCount "47"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3 f5 6.exf5 Bxf5 7.d4 e4 8.Ng5 d5 
9.f3 h6 10.fxe4 hxg5 11.exf5 Bd6 12.Nd2 Qf6 13.Bc2 O-O-O 14.Nf3 Re8+ 15.
Kf1 g4 16.Bg5 Qf7 17.Nh4 Qh5 18.Qd2 Be7 19.Bxe7 Ncxe7 20.g3 Nh6 21.Kg2 
Nhxf5 22.Nxf5 Nxf5 23.Bxf5+ Qxf5 24.Rhf1 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Foisor, Ovidiu"]
[Black "Weidemann, Jorg"]
[Result "0-1"]
[ECO "A89"]
[EventDate "1976.12.21"]
[PlyCount "78"]

1.d4 f5 2.Nf3 g6 3.g3 Nf6 4.Bg2 Bg7 5.O-O O-O 6.c4 d6 7.Nc3 Nc6 8.d5 Ne5 
9.Nxe5 dxe5 10.Qb3 e6 11.Rd1 exd5 12.cxd5 Kh8 13.Be3 Ne8 14.Bc5 Rf6 15.
Rac1 a6 16.d6 Nxd6 17.Nd5 Be6 18.Bxd6 Bxd5 19.Rxd5 Rxd6 20.Qxb7 e4 21.Rxd6
cxd6 22.b3 a5 23.Rc7 Rb8 24.Rd7 Qc8 25.Qxc8+ Rxc8 26.Rxd6 Bc3 27.Rd5 Be1 
28.g4 e3 29.fxe3 fxg4 30.Be4 Re8 31.Bd3 Rxe3 32.Kf1 Bb4 33.Rg5 Rh3 34.Kg1 
Rh4 35.e4 Bd2 36.Rd5 Be3+ 37.Kg2 Bf4 38.Rxa5 Rxh2+ 39.Kg1 g3 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Georgiev, Krum"]
[Black "Karaosmanoglu, Sedat"]
[Result "1-0"]
[ECO "C12"]
[EventDate "1976.12.21"]
[PlyCount "75"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Bd3 
Nxd2 9.Qxd2 c5 10.dxc5 Qc7 11.Nf3 Nd7 12.O-O O-O 13.Rfe1 Nxc5 14.Re3 Nxd3 
15.Rxd3 Bd7 16.Re1 Qc4 17.Nd4 f5 18.exf6 Rxf6 19.a3 Raf8 20.f3 Qa6 21.Qc1 
Qd6 22.Rde3 a6 23.g3 Rc8 24.Qb2 b5 25.Qb4 Qb6 26.f4 Rc5 27.Qb1 Rc4 28.Qd1 
Ra4 29.Re5 Rxa3 30.f5 Rxf5 31.Rxf5 exf5 32.Re3 Qc5 33.Qe1 b4 34.Nb3 Qc4 
35.cxb4 Qxc2 36.Rc3 Qb2 37.Rc7 Bb5 $4 38.Qe6+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Helmers, Knut"]
[Black "Ftacnik, Lubomir"]
[Result "1/2-1/2"]
[WhiteElo "2265"]
[ECO "D82"]
[EventDate "1976.12.21"]
[PlyCount "113"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.Qa4+ c6 6.Bxb8 Rxb8 7.Qxa7 Be6 8.c5 
O-O 9.e3 Nd7 10.Bd3 b6 11.cxb6 c5 12.Nge2 c4 13.Bc2 Nxb6 14.Qa5 Bg4 15.O-O
e5 16.h3 Be6 17.dxe5 Bxe5 18.Nd1 Qf6 19.Qd2 Nc8 20.Nd4 Ne7 21.b3 Bxd4 22.
Qxd4 Qxd4 23.exd4 Nc6 24.bxc4 Nxd4 25.Ne3 dxc4 26.a4 f5 27.f4 Rfe8 28.Bd1 
Bf7 29.Re1 Nb3 30.Ra3 Na5 31.Kf2 Rb1 32.Bc2 Rb2 33.Re2 Nb3 34.Bd1 Rb1 35.
Bc2 Rc1 36.a5 Nd4 37.Rd2 Nb5 38.Ra4 c3 39.Re2 Bd5 40.a6 Ba8 41.Bd3 Nd6 42.
Rc2 Rxc2+ 43.Bxc2 Rc8 44.Ke2 Bc6 45.Ra1 Nb5 46.Ba4 Kf8 47.Bxb5 Bxb5+ 48.
Kd1 Bc6 49.a7 Be4 50.Ra4 Ke8 51.g3 Kd7 52.Rd4+ Kc7 53.Rc4+ Kb7 54.Rxc8 
Kxc8 55.Nc4 Kb7 56.Nd6+ Kxa7 57.Nxe4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Klauner, Theodore"]
[Black "Chaves, Jaime Augusto"]
[Result "0-1"]
[ECO "A24"]
[EventDate "1976.12.21"]
[PlyCount "54"]

1.c4 e5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 O-O 7.O-O c6 8.d4 Nbd7 
9.b3 Re8 10.d5 c5 11.Nb5 Nb6 12.e4 a6 13.Nbc3 Rb8 14.a3 Bg4 15.f3 Bd7 16.
Qd3 Qc8 17.f4 exf4 18.Bxf4 Qc7 19.Bg5 Ng4 20.h3 Ne5 21.Qd2 Bc8 22.Bf6 Bf8 
23.Bxe5 Rxe5 24.Nf4 Nd7 25.Qf2 Re7 26.Nd3 Bg7 27.Rac1 Bd4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Kokkinos, Leonidas"]
[Black "Tonoli, Walter"]
[Result "1/2-1/2"]
[ECO "C65"]
[EventDate "1976.12.21"]
[PlyCount "90"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nf6 5.c3 O-O 6.d4 Bb6 7.Bg5 h6 8.Bh4 d6 
9.h3 g5 10.Nxg5 Nxe4 11.Nf3 Ng5 12.Bxg5 hxg5 13.Bxc6 bxc6 14.dxe5 Ba6 15.
Re1 dxe5 16.Qxd8 Raxd8 17.Nxg5 Rfe8 18.Ne4 Kg7 19.a4 Bd3 20.a5 Bxe4 21.
axb6 Bxb1 22.bxc7 Rc8 23.Rexb1 Rxc7 24.Ra5 c5 25.Rb5 Rd8 26.Ra1 f6 27.c4 
Kg6 28.Kf1 Rd6 29.b3 a6 30.Rb8 Rcc6 31.Ke2 Kf5 32.Ke3 Rb6 33.Rxb6 Rxb6 34.
Ra3 Ke6 35.Kd3 f5 36.Kc3 f4 37.Ra5 Kf5 38.g4+ fxg3 39.fxg3 Rh6 40.Rxc5 
Rxh3 41.Rc6 Rxg3+ 42.Kb2 Rg6 43.Rxg6 Kxg6 44.Kc3 Kf5 45.b4 Ke4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Lo Kim Lin, Frank"]
[Black "Salazar Jacob, Hernan"]
[Result "0-1"]
[ECO "B85"]
[EventDate "1976.12.21"]
[PlyCount "133"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Be7 7.Be3 a6 8.O-O 
Nc6 9.f4 O-O 10.Kh1 Bd7 11.Qe1 b5 12.Bf3 Rc8 13.Rc1 Nxd4 14.Bxd4 Bc6 15.a3
Qc7 16.Qg3 Qb7 17.e5 dxe5 18.Bxe5 g6 19.Rce1 Rfd8 20.Re2 Bxf3 21.Rxf3 Nh5 
22.Qf2 Bc5 23.Qh4 Be7 24.Qf2 Rc4 25.Rd2 Nf6 26.Rxd8+ Bxd8 27.Qh4 Kg7 28.
Rh3 h5 29.Qg5 Re4 30.Nxe4 Qxe4 31.Qg3 Qxc2 32.Qe1 Kh7 33.Re3 Ng4 34.Re2 
Qc5 35.h3 Nxe5 36.fxe5 Bc7 37.Re4 Bb6 38.Qf1 Kg8 39.Re1 Qf2 40.Qxf2 Bxf2 
41.Re4 Kg7 42.Kh2 Bb6 43.Kg3 Kf8 44.Kf3 Bd8 45.Re2 Ke8 46.Ke4 Be7 47.b4 
Kd7 48.Rd2+ Ke8 49.Rc2 Kd7 50.Kd4 Bg5 51.Rf2 Ke8 52.Rf3 Be7 53.Kc3 Bd8 54.
Kb3 Bc7 55.Re3 Kd7 56.Rf3 Ke7 57.Rc3 Kd7 58.Re3 Kc6 59.Rf3 Bxe5 60.Rxf7 
Bd4 61.Rf8 g5 62.Ra8 Kd5 63.Rxa6 e5 64.Kc2 e4 65.Ra8 Bf2 66.Rf8 Bh4 67.
Rf5+ {Possibly White ran out of time.} 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Marrero Martin, Miguel"]
[Black "Smith, Alvin Louis"]
[Result "0-1"]
[ECO "C41"]
[EventDate "1976.12.21"]
[PlyCount "178"]

1.e4 e5 2.Nf3 d6 3.d4 exd4 4.Nxd4 Nf6 5.Nc3 Bd7 6.Bc4 Be7 7.O-O Nc6 8.h3 
Nxd4 9.Qxd4 O-O 10.Bg5 a6 11.a4 Be6 12.f4 b6 13.Qd3 Bxc4 14.Qxc4 h6 15.Bh4
Ne8 16.Bxe7 Qxe7 17.Nd5 Qe6 18.Qc6 Rc8 19.a5 Kh8 20.e5 Kh7 21.f5 Qxe5 22.
axb6 Rb8 23.b7 Nf6 24.Nxf6+ $2 Qxf6 25.Qxc7 Qd4+ 26.Kh1 Qb4 27.Rxa6 Rxb7 
28.Qxd6 Qxd6 29.Rxd6 Rxb2 30.Rc1 Rc8 31.c4 Rc5 32.Rd5 Rxd5 33.cxd5 Rd2 34.
Rc5 g6 35.fxg6+ Kxg6 36.Kh2 Rd3 37.Kg1 Rd2 38.Kh2 Rd3 39.Kg1 Kf5 40.Kf2 
Ke5 41.Rc6 Rxd5 42.Rxh6 Rd3 43.Rh4 Kf6 44.Rf4+ Kg7 45.Rf3 Rd2+ 46.Kg3 Kg6 
47.Ra3 Rc2 48.Kf3 Rd2 49.g3 Rh2 50.h4 Rc2 51.Ra4 Rc3+ 52.Kf4 Rc5 53.g4 Rb5
54.Ra6+ Kg7 55.Ra4 Rc5 56.h5 Rc1 57.g5 Rf1+ 58.Kg4 Rg1+ 59.Kf5 Rb1 60.h6+ 
Kh7 61.Ra5 Rf1+ 62.Ke5 Kg6 63.Ra8 Rf5+ 64.Ke4 Rxg5 65.Kf4 Rh5 66.Ra6+ f6 
67.Ra1 Rxh6 68.Rg1+ Kf7 69.Kf5 Rh5+ 70.Kf4 Rb5 71.Rg2 Rb1 72.Rf2 Rg1 73.
Kf5 Rg5+ 74.Kf4 Kg6 75.Ra2 Rg1 76.Ra6 Rf1+ 77.Kg4 Rb1 78.Kf4 Rb4+ 79.Kf3 
Kg5 80.Ra1 Rb3+ 81.Kf2 f5 82.Rg1+ Kf4 83.Ra1 Rb2+ 84.Kf1 Kg4 85.Ra3 f4 86.
Ra4 $4 Kg3 87.Ra8 Rb1+ 88.Ke2 f3+ 89.Ke3 Re1+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Messa, Roberto"]
[Black "Van Egmond, Peter"]
[Result "1/2-1/2"]
[ECO "C85"]
[EventDate "1976.12.21"]
[PlyCount "135"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
O-O 9.Nc4 f6 10.Nh4 Nc5 11.Qf3 Rf7 12.Qg3 Kh8 13.Kh1 Ne6 14.Nf5 Nd4 15.
Nxd4 exd4 16.f4 Be6 17.Nd2 f5 18.Nf3 Bf6 19.e5 Be7 20.Ng5 Bxg5 21.fxg5 g6 
22.Bf4 c5 23.a4 Qd5 24.b3 b6 25.h4 c6 26.h5 Rg7 27.Qh2 Kg8 28.Rf3 Kf7 29.
Rh3 Qd8 30.Kg1 b5 31.Kf2 c4 32.bxc4 bxc4 33.Rb1 Rb8 34.hxg6+ hxg6 35.Rxb8 
Qxb8 36.Rh7 Qf8 37.Rh8 Rg8 38.Rh7+ Rg7 39.Rh8 Rg8 40.Qh7+ Qg7 41.Qxg7+ 
Kxg7 42.Rxg8+ Kxg8 43.Bc1 cxd3 44.cxd3 Bb3 45.Bb2 Kf7 46.Bxd4 Bxa4 47.Ke3 
Ke6 48.g3 Kd5 49.Bb2 c5 50.Bc3 Bd7 51.Kf4 Be6 52.Ke3 Bc8 53.Kf4 Bd7 54.Kf3
Be6 55.Ke3 Kc6 56.Kd2 Bf7 57.Kc2 Kb5 58.Kd2 Kc6 59.Kc2 Kb5 60.Bb2 Kb4 61.
Bc1 Kb5 62.Bb2 a5 63.Kc3 a4 64.Ba3 Be6 65.Kd2 Kc6 66.Bb2 Bb3 67.Ke3 Kd5 
68.Ba3 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Mestel, Andrew Jonathan"]
[Black "Hebert, Jean"]
[Result "1/2-1/2"]
[WhiteElo "2390"]
[BlackElo "2255"]
[ECO "E63"]
[EventDate "1976.12.21"]
[PlyCount "40"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.d4 a6 7.Nc3 Nc6 8.h3 Rb8 
9.e4 b5 10.cxb5 axb5 11.a3 b4 12.axb4 Nxb4 13.Re1 Nd7 14.e5 dxe5 15.dxe5 
Nb6 16.Qb3 Nd3 17.Rd1 c5 18.Na4 c4 19.Qc3 Be6 20.Nc5 Qc8 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Oltra Caurin, Ramon"]
[Black "Sellos, Didier"]
[Result "0-1"]
[ECO "A16"]
[EventDate "1976.12.21"]
[PlyCount "78"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6 6.d3 Bg7 7.Be3 O-O 8.Qc1 
Re8 9.h4 h5 10.Nf3 N8d7 11.O-O c6 12.Bf4 Nf8 13.Bh6 Bh8 14.d4 Bg4 15.Rd1 
Nd5 16.e4 Nxc3 17.bxc3 Qa5 18.Rd2 Red8 19.Ne1 c5 20.Be3 cxd4 21.cxd4 Rac8 
22.Qb2 b6 23.Rc2 Qa4 24.e5 Ne6 25.Rxc8 Rxc8 26.Bd5 Bg7 27.Bb3 Qd7 28.f3 
Bf5 29.Rd1 Nd8 30.a3 Nb7 31.Rc1 Na5 32.Ba2 Rd8 33.Ng2 Nc6 34.Rd1 Nxe5 35.
Rf1 Nc6 36.Qb3 Be6 37.d5 Bxd5 38.Qxd5 Qxd5 39.Bxd5 Rxd5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Omuku, Emmanuel"]
[Black "Greenberg, Nir"]
[Result "0-1"]
[ECO "A22"]
[EventDate "1976.12.21"]
[PlyCount "84"]

1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O 5.a3 Bxc3 6.bxc3 h6 7.e4 c6 8.d4 exd4
9.cxd4 Nxe4 10.Bxe4 Re8 11.Ne2 Rxe4 12.O-O d5 13.Nc3 Re8 14.cxd5 cxd5 15.
Qh5 Be6 16.Ne2 Nc6 17.Be3 Qf6 18.Rfe1 Na5 19.Nf4 Rad8 20.Rab1 a6 21.Qe5 
Qxe5 22.dxe5 d4 23.Nxe6 fxe6 24.Bc1 b5 25.Rd1 Nc4 26.f4 d3 27.a4 d2 28.
axb5 dxc1=Q 29.Rdxc1 Na3 30.Ra1 Nxb5 31.Rxa6 Rd2 32.Rf1 Kf7 33.Rf2 Rxf2 
34.Kxf2 Rc8 35.Kg2 Nd4 36.g4 Rc2+ 37.Kg3 Rc3+ 38.Kg2 Rf3 39.f5 exf5 40.Rd6
Rf4 41.Rd7+ Kg6 42.Rd6+ Kg5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Petursson, Margeir"]
[Black "Kristensen, Leif"]
[Result "1-0"]
[WhiteElo "2390"]
[ECO "A29"]
[EventDate "1976.12.21"]
[PlyCount "103"]

1.c4 e5 2.Nc3 Nf6 3.g3 Nc6 4.Nf3 Nd4 5.Bg2 Nxf3+ 6.Bxf3 Bb4 7.d3 O-O 8.O-O
h6 9.Bd2 c6 10.Rc1 Re8 11.a3 Bxc3 12.Bxc3 d5 13.cxd5 Nxd5 14.b4 Nxc3 15.
Rxc3 Be6 16.Rc5 Qd6 17.Qc2 Re7 18.Rc1 Rd8 19.Qc3 Bh3 20.b5 cxb5 21.Rd5 Qb8
22.Qc5 Rxd5 23.Bxd5 Re8 24.Qc7 Qxc7 25.Rxc7 Rc8 26.Bxf7+ Kf8 27.Rxc8+ Bxc8
28.Bb3 Ke7 29.Kf1 Kd6 30.f4 a5 31.Ke1 a4 32.Ba2 exf4 33.gxf4 g5 34.fxg5 
hxg5 35.Kd2 b4 36.axb4 b5 37.Kc3 Be6 38.Bb1 a3 39.Bc2 Ke5 40.e3 Kf5 41.Bd1
a2 42.Kb2 g4 43.Be2 Bb3 44.Bf1 Kg5 45.Bg2 Bc2 46.d4 Bb3 47.Bf1 Kh4 48.Bxb5
Kh3 49.Bd7 Kxh2 50.Bxg4 Kg3 51.Bd7 Kf3 52.Bc6+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Popovic, Petar"]
[Black "Schussler, Harry"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[BlackElo "2335"]
[ECO "B06"]
[EventDate "1976.12.21"]
[PlyCount "54"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bc4 Nf6 5.Qe2 Nc6 6.c3 O-O 7.O-O e5 8.dxe5 
Nxe5 9.Nxe5 dxe5 10.Nd2 Qe7 11.Nb3 a5 12.a4 b6 13.f3 Ne8 14.Be3 Nd6 15.Bd3
Bb7 16.Nd2 Bc6 17.Rfd1 Rfd8 18.Nf1 Bf8 19.Bf2 Bh6 20.Ne3 Bxe3 21.Bxe3 Nb7 
22.Bb5 Bxb5 23.Qxb5 Qe6 24.h4 Rd6 25.Rxd6 Qxd6 26.Rf1 Rd8 27.Bf2 Nc5 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Sequeira, Joao"]
[Black "Morris, Arthur"]
[Result "0-1"]
[ECO "C49"]
[EventDate "1976.12.21"]
[PlyCount "38"]

1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.Bb5 Bb4 5.O-O O-O 6.Re1 d6 7.h3 Be6 8.a3 Bc5
9.Na4 Nd4 10.Nxd4 Bxd4 11.c3 a6 12.Bd3 Ba7 13.c4 Qd7 14.Nc3 Bxh3 15.gxh3 
Qxh3 16.Bf1 Qg3+ 17.Bg2 Qxf2+ 18.Kh2 Qf4+ 19.Kh3 Bf2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Twardon, Marian"]
[Black "Sisniega Campbell, Marcel"]
[Result "1/2-1/2"]
[ECO "C00"]
[EventDate "1976.12.21"]
[PlyCount "118"]

1.e4 e6 2.Nf3 d5 3.Nc3 d4 4.Ne2 c5 5.c3 dxc3 6.bxc3 Nc6 7.d4 Nf6 8.Ng3 
cxd4 9.cxd4 Bb4+ 10.Bd2 Qa5 11.Rb1 Bxd2+ 12.Qxd2 Ke7 13.Bb5 Qxd2+ 14.Kxd2 
Na5 15.Rhc1 Bd7 16.e5 Nd5 17.Ne4 b6 18.Nd6 Rhd8 19.Ne1 Bxb5 20.Rxb5 Rd7 
21.Rb2 Rad8 22.Nd3 Nc7 23.Nb4 Ne8 24.Nb5 h5 25.Rbc2 g6 26.Rc8 f6 27.f4 
fxe5 28.fxe5 Ng7 29.Rxd8 Kxd8 30.Kd3 Nf5 31.Ke4 Ke8 32.d5 exd5+ 33.Nxd5 
Kf7 34.Nbc7 Rd8 35.e6+ Kg7 36.Ke5 Nb7 37.e7 Nxe7 38.Nxe7 Rd2 39.Ncd5 Nc5 
40.Rg1 Nd3+ 41.Ke4 Nc5+ 42.Ke3 Rxa2 43.Nf4 Ra3+ 44.Kd2 Ne4+ 45.Kc2 g5 46.
Nfd5 Ra2+ 47.Kd3 Nf2+ 48.Kd4 h4 49.h3 g4 50.Ke3 a5 51.hxg4 Nxg4+ 52.Kf4 
Nf6 53.Nxf6 Kxf6 54.Nd5+ Kg6 55.Nxb6 Rb2 56.Nd7 a4 57.Ne5+ Kh5 58.Nd3 Rb3 
59.Ne5 Rb2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Vera Gonzalez, Reynaldo"]
[Black "Kouatly, Bachar"]
[Result "1/2-1/2"]
[BlackElo "2370"]
[ECO "B31"]
[EventDate "1976.12.21"]
[PlyCount "63"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.Bxc6 dxc6 7.Na3 Nh6 8.Nc4 
Qe7 9.d3 f6 10.Be3 O-O 11.b3 Be6 12.a4 b6 13.Qc1 Nf7 14.a5 b5 15.Nb2 a6 
16.Qd2 Nd8 17.c4 Nb7 18.Rac1 Rac8 19.Rc2 Rfd8 20.Rec1 Bf8 21.Ne1 b4 22.Na4
Qc7 23.f3 Nxa5 24.Rb1 Nb7 25.Qf2 Qe7 26.Kh1 f5 27.Qg1 f4 28.Bf2 Kh8 29.g4 
g5 30.h4 h6 31.h5 Bf7 32.Rd2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Wong, Sheldon"]
[Black "Vladimirov, Evgeny"]
[Result "0-1"]
[ECO "C49"]
[EventDate "1976.12.21"]
[PlyCount "96"]

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.Nd5 Nxd5 7.exd5 e4 8.
dxc6 dxc6 9.Be2 exf3 10.Bxf3 Re8 11.c3 Bd6 12.d4 Qh4 13.g3 Qf6 14.Be3 Be6 
15.Bg2 Re7 16.Qd2 h6 17.b3 Bd5 18.c4 Bxg2 19.Kxg2 Rd7 20.Qc2 Rad8 21.Rad1 
Be7 22.Qe4 Bc5 23.d5 cxd5 24.Rxd5 Rxd5 25.cxd5 Qd6 26.Rc1 Bxe3 27.fxe3 c6 
28.Rd1 cxd5 29.Qd4 Qa6 30.Rd2 Re8 31.Qxd5 Rxe3 32.Rf2 Re6 33.Kh3 Qc6 34.
Rd2 Qxd5 35.Rxd5 Re7 36.a4 f6 37.Kg4 Kf7 38.h4 g6 39.h5 gxh5+ 40.Rxh5 Re4+
41.Kh3 Rb4 42.Rxh6 a5 43.Rh5 b6 44.Rb5 Rxb5 45.axb5 Ke6 46.Kg4 Ke5 47.Kh5 
Kd4 48.Kg6 Kc3 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Yap, Andronico"]
[Black "Girault, Eric"]
[Result "1-0"]
[ECO "B10"]
[EventDate "1976.12.21"]
[PlyCount "60"]

1.e4 c6 2.Nf3 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Bc4 Nd7 8.h5 
Bh7 9.d4 e6 10.Qe2 Bd6 11.Rh3 Ngf6 12.Bd2 Qc7 13.Bb3 O-O-O 14.a4 e5 15.
Bxf7 Rhf8 16.Bb3 Rde8 17.Be3 exd4 18.Nxd4 Qa5+ 19.Kd1 Bxg3 20.Rxg3 Nxh5 
21.Rg4 Qe5 22.a5 Qd6 23.Kc1 Nc5 24.a6 b6 25.Ba4 Nxa4 26.Rxa4 Bg8 27.Nxc6 
Nf4 28.Nxa7+ Kb8 29.Bxf4 Rxe2 30.Bxd6+ Kxa7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.24"]
[Round "4"]
[White "Zapata Ramirez, Alonso"]
[Black "Groszpeter, Attila"]
[Result "0-1"]
[ECO "B17"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Ng3 e6 7.Bd3 b6 8.O-O 
Be7 9.Qe2 O-O 10.Re1 Re8 11.Ne5 Qc7 12.Bg5 Nxe5 13.dxe5 Nd7 14.Bxe7 Rxe7 
15.Qh5 h6 16.Re3 Bb7 17.f4 f5 18.Bxf5 exf5 19.Nxf5 Nf8 20.Rg3 Kh8 21.Rd1 
Rf7 22.Rd6 Ba6 23.Qg4 Nh7 24.Rg6 Raf8 25.Rxg7 Rxg7 26.Nxg7 Qxe5 27.h3 Rxf4
28.Qe6 Rf1+ 29.Kh2 Qxe6 30.Nxe6 Bc4 31.Nd4 Bd5 32.c4 Be4 33.Re3 Nf6 34.Kg3
Rd1 35.Ne2 Rd3 36.Kf4 Rxe3 37.Kxe3 Bxg2 38.Nf4 Be4 39.Kd4 Bb1 40.a3 Nd7 
0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Binham, Timothy"]
[Black "Ahad, Wazin"]
[Result "0-1"]
[ECO "C26"]
[EventDate "1976.12.21"]
[PlyCount "66"]

1.e4 e5 2.Nc3 Nf6 3.g3 d5 4.exd5 Nxd5 5.Bg2 Nxc3 6.bxc3 Bd6 7.Ne2 O-O 8.
O-O c6 9.d3 Bg4 10.h3 Bh5 11.Rb1 Qe7 12.g4 Bg6 13.f4 f5 14.fxe5 Bxe5 15.d4
Bd6 16.Nf4 Na6 17.Nxg6 hxg6 18.Bd2 Rab8 19.c4 Rbd8 20.Qe1 Qf6 21.c3 Rde8 
22.Qf2 Re7 23.c5 Bb8 24.Rfe1 Rd7 25.Bf1 Qf7 26.Rb3 Rfd8 27.Bg5 Rf8 28.Qe2 
Bg3 29.Reb1 fxg4 30.Qc4 Rd5 31.Bg2 Qf2+ 32.Kh1 gxh3 33.Bxd5+ cxd5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Chandler, Murray Graham"]
[Black "Ftacnik, Lubomir"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1976.12.21"]
[PlyCount "67"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Bc4 Nc6 5.Be3 Nf6 6.f3 O-O 7.Nge2 e5 8.O-O Nd7
9.a4 Kh8 10.f4 Nb6 11.Bb3 Na5 12.dxe5 Nbc4 13.Bc1 dxe5 14.Qxd8 Rxd8 15.Ba2
c5 16.f5 gxf5 17.exf5 f6 18.Ne4 b6 19.g4 Bb7 20.N2g3 Nd6 21.Nxd6 Rxd6 22.
b3 Rad8 23.Be3 Nc6 24.c3 Rd3 25.Rae1 Rxc3 26.Ne4 Rc2 27.Bb1 Rb2 28.g5 Nd4 
29.gxf6 Bxf6 30.Rf2 Rxb1 31.Rxb1 Bxe4 32.Rbb2 Bh4 33.Bxd4 Bxf2+ 34.Kxf2 
0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Chaves, Jaime Augusto"]
[Black "Diesen, Mark"]
[Result "1/2-1/2"]
[BlackElo "2325"]
[ECO "B87"]
[EventDate "1976.12.21"]
[PlyCount "65"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 a6 7.Bb3 b5 8.O-O Be7
9.f4 O-O 10.e5 dxe5 11.fxe5 Nfd7 12.Qh5 Nc5 13.Be3 Nxb3 14.axb3 Bb7 15.Nf3
Qc7 16.Rae1 Nd7 17.Bg5 Qc5+ 18.Kh1 Bxf3 19.Rxf3 Bxg5 20.Qxg5 f6 21.Qg4 f5 
22.Qf4 Nb6 23.Rc1 Rfd8 24.Ne2 Rd5 25.c4 bxc4 26.bxc4 Rd7 27.h4 Rad8 28.b3 
Rd2 29.Re3 Nc8 30.Rcc3 Ne7 31.h5 Nc6 32.Qg3 Qe7 33.Nf4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Dunne, David Joseph"]
[Black "Foisor, Ovidiu"]
[Result "1/2-1/2"]
[ECO "B66"]
[EventDate "1976.12.21"]
[PlyCount "80"]

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 
h6 9.Be3 Bd7 10.f4 b5 11.Bd3 Be7 12.Kb1 Nxd4 13.Bxd4 Bc6 14.Rhe1 b4 15.
Bxf6 gxf6 16.Ne2 Qb6 17.f5 e5 18.Ng3 Qc5 19.Qe3 h5 20.Nf1 Bf8 21.Qxc5 dxc5
22.Ne3 Bh6 23.Nd5 Bxd5 24.exd5 Kd7 25.Be2 Bf8 26.Bf3 Kd6 27.Re4 h4 28.h3 
Be7 29.c4 Rag8 30.Bg4 Bf8 31.Rd3 Bh6 32.Kc2 Bf4 33.Rf3 a5 34.Kd1 a4 35.Rf2
Rg5 36.Ke2 Rhg8 37.Kf3 b3 38.a3 Bc1 39.Rfe2 R8g7 40.Kf2 Bf4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Van Egmond, Peter"]
[Black "Sellos, Didier"]
[Result "1/2-1/2"]
[ECO "A49"]
[EventDate "1976.12.21"]
[PlyCount "109"]

1.Nf3 g6 2.d4 Nf6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.Nc3 Nbd7 7.e4 e5 8.a4 a5 
9.h3 Re8 10.Re1 h6 11.Be3 c6 12.Qd2 Kh7 13.Rad1 Qc7 14.Nh4 Nb6 15.b3 d5 
16.dxe5 Nxe4 17.Bxe4 dxe4 18.Nxe4 Nd5 19.Bd4 Bxh3 20.c4 Nb4 21.Nd6 Rf8 22.
f4 Bg4 23.Rb1 Rad8 24.c5 Qd7 25.Bc3 Be6 26.Bxb4 axb4 27.Qc2 f5 28.Rbd1 Qe7
29.Nf3 Rd7 30.Re3 Rfd8 31.Qh2 Bd5 32.Qf2 Kg8 33.Nd4 Bf8 34.Rd2 Rb8 35.Re1 
Qd8 36.Qe3 b6 37.Nc2 bxc5 38.Qxc5 Qb6 39.Qxb6 Rxb6 40.Nc4 Bc5+ 41.N2e3 
Rbb7 42.Nd6 Bxd6 43.exd6 Bxb3 44.Rc1 Bxa4 45.Nc4 b3 46.Ne5 Rd8 47.Nxg6 c5 
48.Ne5 Rb4 49.Nc4 Be8 50.Ne3 Bd7 51.Rb2 Rb5 52.Nd5 Kf7 53.Nc7 Rb6 54.Rxc5 
Be6 55.Nxe6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Girault, Eric"]
[Black "Marrero Martin, Miguel"]
[Result "0-1"]
[ECO "A88"]
[EventDate "1976.12.21"]
[PlyCount "102"]

1.d4 f5 2.c4 Nf6 3.Nc3 g6 4.g3 Bg7 5.Bg2 O-O 6.Nf3 d6 7.O-O c6 8.Nd2 Qb6 
9.e3 e5 10.dxe5 dxe5 11.Nf3 Qc7 12.Qc2 Be6 13.b3 Kh8 14.Ba3 Rd8 15.Rfd1 
Na6 16.Rxd8+ Rxd8 17.Rd1 e4 18.Rxd8+ Qxd8 19.Nd4 Bf7 20.Nde2 Qa5 21.Qc1 
Nd7 22.Bb2 Nb4 23.Na4 Nd3 24.Bxg7+ Kxg7 25.Qc3+ Qxc3 26.Naxc3 Kf6 27.f3 
exf3 28.Bxf3 N7e5 29.Bg2 Ne1 30.Kf1 Nxg2 31.Kxg2 Nd3 32.Nf4 Nc5 33.Kf3 g5 
34.Nfe2 Bh5+ 35.Kf2 Ke5 36.Ke1 Ne4 37.Nxe4 Kxe4 38.Kd2 Bxe2 39.Kxe2 g4 40.
b4 b5 41.c5 a6 42.a3 h5 43.Kd2 Kf3 44.Kd3 Kg2 45.Kd4 Kxh2 46.Ke5 Kxg3 47.
Kd6 h4 48.Kxc6 h3 49.Kd7 h2 50.c6 h1=Q 51.c7 Qb7 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Greenberg, Nir"]
[Black "Twardon, Marian"]
[Result "0-1"]
[ECO "B31"]
[EventDate "1976.12.21"]
[PlyCount "88"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.Re1 O-O 7.d4 cxd4 8.cxd4 
d5 9.e5 Ne4 10.Nc3 Bf5 11.Ng5 Nxc3 12.bxc3 Qa5 13.Bxc6 bxc6 14.Re3 Rab8 
15.a4 Bh6 16.Rg3 Rb7 17.Ba3 Bxg5 18.Bb4 Qc7 19.Rxg5 a5 20.Bc5 Rfb8 21.Rxf5
gxf5 22.Qc1 Qd7 23.h4 Qe6 24.h5 Kh8 25.Qd2 Rg8 26.Kh2 Rg4 27.c4 Rb8 28.
cxd5 cxd5 29.f3 Rh4+ 30.Kg3 Rxh5 31.Kf2 Rg8 32.Qf4 Rhg5 33.Rh1 Rxg2+ 34.
Ke3 Rb8 35.Qh4 Qg6 36.Bxe7 Kg8 37.Kf4 Rc8 38.Bc5 Kh8 39.Rb1 Rg8 40.Be7 h6 
41.Qf6+ Kh7 42.Qxg6+ R8xg6 43.Kxf5 Rf2 44.f4 Rh2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Groszpeter, Attila"]
[Black "Baart, Joan"]
[Result "1-0"]
[ECO "B22"]
[EventDate "1976.12.21"]
[PlyCount "145"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 cxd4 5.cxd4 Nc6 6.Nf3 e5 7.Nc3 Bb4 8.Bd2 
Bxc3 9.Bxc3 e4 10.Ne5 Nxe5 11.dxe5 Ne7 12.Be2 O-O 13.O-O Bd7 14.Qc1 Qe6 
15.Rd1 Nd5 16.Bc4 Nxc3 17.Qxc3 Qf5 18.Rd6 Rae8 19.Qd4 Bc6 20.e6 fxe6 21.b4
Rf6 22.a4 Rg6 23.g3 Qf3 24.Qe3 Qxe3 25.fxe3 Rf6 26.b5 Bd5 27.Bxd5 exd5 28.
Rxd5 Re7 29.Rd8+ Kf7 30.a5 b6 31.a6 Rf5 32.Rb1 Ke6 33.Rd4 Kf7 34.Rc4 Rd5 
35.Rf1+ Kg6 36.Rc6+ Kg5 37.Rf4 Rd1+ 38.Kg2 Rd2+ 39.Kh3 Rd5 40.g4 g6 41.Kg3
Rd3 42.Rf5+ Kh6 43.Kf4 Rb3 44.h4 Kg7 45.Re5 Rf7+ 46.Kxe4 Rb4+ 47.Kd3 Rxg4 
48.h5 Rd7+ 49.Ke2 Kf7 50.hxg6+ hxg6 51.Kf2 Kg7 52.e4 Rf4+ 53.Ke3 Rf6 54.
Ree6 Rxe6 55.Rxe6 Kf7 56.Rc6 Re7 57.Kf4 Kg7 58.e5 Kf7 59.Rc8 Ke6 60.Ke4 
Kf7 61.Rb8 Ke6 62.Rf8 Rg7 63.Rf6+ Ke7 64.Rc6 Kd8 65.e6 g5 66.Kf5 g4 67.Kf6
Rh7 68.Rc4 g3 69.Rg4 Rh6+ 70.Ke5 Rh1 71.Rxg3 Re1+ 72.Kd6 Rd1+ 73.Kc6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Hebert, Jean"]
[Black "Georgiev, Krum"]
[Result "0-1"]
[WhiteElo "2255"]
[ECO "E73"]
[EventDate "1976.12.21"]
[PlyCount "150"]

1.c4 g6 2.Nc3 Bg7 3.d4 Nf6 4.e4 O-O 5.Be2 d6 6.Bg5 c6 7.Qd2 a6 8.a4 a5 9.
f4 Na6 10.Nf3 Re8 11.O-O Qb6 12.Kh1 Bg4 13.e5 Nd7 14.c5 dxc5 15.d5 f6 16.
Bc4 Kh8 17.Bh4 Qb4 18.dxc6 bxc6 19.Qe2 Nc7 20.Be1 Qb8 21.Qf2 Be6 22.Bxe6 
Nxe6 23.Rd1 Qc7 24.Ne4 Nxf4 25.Nxc5 Nxe5 26.Nxe5 Qxe5 27.Bc3 Qh5 28.g4 Qg5
29.Ne4 Nh3 30.Qg2 Qh6 31.Bd2 g5 32.Ng3 e6 33.Nh5 Nf4 34.Bxf4 gxf4 35.Rd7 
Bf8 36.Qxc6 f5 37.Qc7 e5 38.Rg1 fxg4 39.Nf6 Bg7 40.Nxe8 g3 41.Rg2 Rxe8 42.
Rd8 Rxd8 43.Qxd8+ Bf8 44.Qxa5 Qf6 45.Kg1 gxh2+ 46.Rxh2 f3 47.Qc7 h6 48.Qc4
Qg6+ 49.Kf2 e4 50.Ke3 Qg1+ 51.Kxe4 Qxh2 52.Qc3+ Bg7 53.Qc8+ Kh7 54.Qf5+ 
Kg8 55.Kxf3 Qxb2 56.a5 Qc3+ 57.Kg4 Qc4+ 58.Kh5 Kh8 59.Kg6 Qg8 60.Kh5 Qc4 
61.Kg6 Qa6+ 62.Kh5 Qc6 63.Kg4 Bf6 64.Kh5 Bg7 65.Kg4 Qe8 66.Kh4 Bf8 67.Qf6+
Kh7 68.Qf5+ Kg7 69.Qg4+ Kh8 70.Qf5 Be7+ 71.Kg4 Qc6 72.Kh5 Kg7 73.Qg4+ Bg5 
74.Qf5 Qh1+ 75.Kg4 Qg2+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Karaosmanoglu, Sedat"]
[Black "Oltra Caurin, Ramon"]
[Result "0-1"]
[ECO "D93"]
[EventDate "1976.12.21"]
[PlyCount "108"]

1.Nf3 Nf6 2.d4 g6 3.c4 Bg7 4.Nc3 d5 5.Bf4 O-O 6.e3 c5 7.dxc5 Qa5 8.cxd5 
Nxd5 9.Be5 Nxc3 10.Qd2 Bxe5 11.Nxe5 Rd8 12.Qxc3 Qxc3+ 13.bxc3 Rd5 14.Nd3 
Bf5 15.Rd1 Nc6 16.c4 Rd7 17.Be2 Rad8 18.Nc1 Rxd1+ 19.Bxd1 Na5 20.Bf3 Bc2 
21.O-O e5 22.Bd5 Rc8 23.f4 Rxc5 24.fxe5 Nxc4 25.Bxf7+ Kg7 26.e6 Nd6 27.Rf4
Rc7 28.Ne2 Nxf7 29.exf7 Rxf7 30.Rd4 b5 31.Nc3 Rb7 32.a3 a5 33.Na2 Rc7 34.
Rd2 Bb3 35.Kf2 Kf6 36.Ke2 Ke5 37.Rb2 Bxa2 38.Rxa2 Rc3 39.Rb2 Ke4 40.Rxb5 
Rxe3+ 41.Kf2 Rxa3 42.Rb7 h5 43.Rb6 Kf5 44.Rb5+ Kf4 45.Rc5 Ra2+ 46.Kg1 a4 
47.Rc4+ Ke3 48.h4 Kd3 49.Rc6 Re2 50.Rxg6 a3 51.Ra6 a2 52.Kh2 Kc4 53.Kg3 
Kb4 54.Rb6+ Ka5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Kristensen, Leif"]
[Black "Messa, Roberto"]
[Result "1-0"]
[ECO "B06"]
[EventDate "1976.12.21"]
[PlyCount "95"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 Bg4 5.Be2 Nc6 6.Be3 e5 7.dxe5 dxe5 8.Qxd8+
Rxd8 9.Nd5 Rd7 10.Bb5 Nge7 11.Nxe7 Kxe7 12.Bxc6 bxc6 13.Bxa7 Rhd8 14.Be3 
f5 15.O-O h6 16.h3 Bh5 17.Rfe1 f4 18.Bc5+ Kf6 19.Bb4 g5 20.Bc3 Bxf3 21.
gxf3 Bf8 22.Kf1 Bc5 23.Ke2 h5 24.Rg1 Ba7 25.a4 Bc5 26.Bxe5+ Kxe5 27.Rxg5+ 
Kd4 28.Rd1+ Kc4 29.b3+ Kb4 30.Rxd7 Rxd7 31.c3+ Kxb3 32.Rxc5 Kc2 33.Rxc6 
Rd2+ 34.Kf1 Rd1+ 35.Kg2 Kd2 36.Rxc7 Ke2 37.Rb7 Rd8 38.Rg7 Rd3 39.Rb7 Rd8 
40.Rb2+ Ke1 41.Rb1+ Ke2 42.Rb2+ Ke1 43.h4 Rg8+ 44.Kh3 Rc8 45.Ra2 Rxc3 46.
a5 Kf1 47.Kh2 Rc6 48.a6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Leow, Leslie"]
[Black "Popovic, Petar"]
[Result "1/2-1/2"]
[WhiteElo "2280"]
[BlackElo "2405"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "103"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 Nf6 5.Be2 O-O 6.O-O Nc6 7.d5 Nb8 8.h3 c6 
9.Bg5 a5 10.Re1 h6 11.Bf4 Na6 12.Qd2 Kh7 13.dxc6 bxc6 14.e5 dxe5 15.Qxd8 
Rxd8 16.Nxe5 Nb4 17.Rad1 Be6 18.Rxd8 Rxd8 19.Rd1 Nfd5 20.Nxd5 Rxd5 21.c3 
Rxd1+ 22.Bxd1 Bxe5 23.Bxe5 Nd3 24.Bc7 Nxb2 25.Bf3 a4 26.Bxc6 Bxa2 27.Bd8 
Bb3 28.Bxe7 Nc4 29.Bd5 Nd2 30.Bc6 Kg7 31.Bb4 Kf6 32.f3 Ke5 33.Bb5 Bc2 34.
Kf2 Bb3 35.Ke2 Bc4+ 36.Kxd2 Bxb5 37.Ke3 Kd5 38.h4 Kc4 39.Bf8 h5 40.g4 Kxc3
41.gxh5 gxh5 42.f4 Bd3 43.Be7 Bf5 44.Bf8 Kb3 45.Kd2 a3 46.Kc1 Be6 47.Be7 
a2 48.Bf6 Kc4 49.Kb2 Kd3 50.Bg5 Ke4 51.Ka1 Kf5 52.Bh6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Lo Kim Lin, Frank"]
[Black "Kokkinos, Leonidas"]
[Result "0-1"]
[ECO "C63"]
[EventDate "1976.12.21"]
[PlyCount "42"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 Nd4 5.Ba4 Nf6 6.d3 Bc5 7.O-O O-O 8.exf5 
d5 9.Nxe5 Bxf5 10.Be3 Qd6 11.Bxd4 Bxd4 12.Nf3 Ng4 13.Nb5 Bxf2+ 14.Rxf2 Qb6
15.d4 Nxf2 16.Kxf2 c6 17.Nc3 Qxb2 18.Ne2 Rae8 19.Bb3 Be4 20.a4 Bd3 21.Ng3 
Qxd4# 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Mestel, Andrew Jonathan"]
[Black "Helmers, Knut"]
[Result "1-0"]
[WhiteElo "2390"]
[BlackElo "2265"]
[ECO "C70"]
[EventDate "1976.12.21"]
[PlyCount "47"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 b5 5.Bb3 Na5 6.d4 exd4 7.Qxd4 Ne7 8.O-O 
d6 9.Qc3 Nxb3 10.axb3 Bb7 11.Re1 Qd7 12.Bf4 O-O-O 13.Nbd2 Ng6 14.Bg3 h5 
15.h4 Be7 16.Qxg7 Rdf8 17.c4 Qd8 18.Qc3 Bxh4 19.Nxh4 Nxh4 20.cxb5 axb5 21.
Rec1 Ng6 22.Ra7 Qd7 23.Qa5 Kb8 24.e5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Morris, Arthur"]
[Black "Azadharf, Farrokh"]
[Result "0-1"]
[ECO "B96"]
[EventDate "1976.12.21"]
[PlyCount "94"]

1.e4 c5 2.Nf3 d6 3.Nc3 Nf6 4.d4 cxd4 5.Nxd4 a6 6.Bg5 e6 7.f4 b5 8.e5 dxe5 
9.fxe5 Qc7 10.Qe2 Nfd7 11.O-O-O Bb7 12.Qg4 h5 13.Qf4 Bc5 14.Bd3 Bxd4 15.
Qxd4 Nc6 16.Qd6 Rc8 17.Qxc7 Rxc7 18.Bxb5 Ncxe5 19.Bxd7+ Rxd7 20.Rxd7 Nxd7 
21.Rg1 h4 22.Nd1 Rh5 23.Bd2 e5 24.Ne3 f5 25.Bc3 f4 26.Nc4 Ke7 27.Re1 Ke6 
28.Re2 Rg5 29.Be1 Bxg2 30.Bxh4 Rg4 31.Be1 Bf1 32.Re4 Bg2 33.Ne3 Rg6 34.
Nxg2 Rxg2 35.h4 Nf6 36.Ra4 f3 37.Rxa6+ Kf5 38.Ra7 f2 39.Bxf2 Rxf2 40.Rxg7 
e4 41.a4 e3 42.Kd1 Rd2+ 43.Kc1 Rd4 44.a5 Ng4 45.Rf7+ Ke6 46.Rf1 e2 47.Re1 
Ne3 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Rayner, Emmanuel"]
[Black "Yap, Andronico"]
[Result "1-0"]
[ECO "B47"]
[EventDate "1976.12.21"]
[PlyCount "136"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nc3 e6 6.Be2 Nf6 7.O-O a6 8.Kh1 
b5 9.Nxc6 dxc6 10.Bg5 Be7 11.f4 Bb7 12.e5 Nd5 13.Nxd5 cxd5 14.Bxe7 Qxe7 
15.Qd4 Rc8 16.c3 Qc5 17.Qxc5 Rxc5 18.Rfe1 Kd7 19.a4 Rhc8 20.axb5 axb5 21.
Ra3 R8c7 22.b4 Rc4 23.Bxc4 Rxc4 24.Rf1 Kc7 25.Rb3 d4 26.cxd4 Rxd4 27.Rb2 
Bd5 28.Kg1 Kc6 29.g3 Bc4 30.Ra1 Kd5 31.Kf2 f6 32.exf6 gxf6 33.Ra7 Ke4 34.
Rxh7 Kd3 35.g4 Kc3 36.Rb1 Rxf4+ 37.Kg3 e5 38.Re7 Bd3 39.Rc7+ Kd2 40.Rb3 
Ke2 41.Rb2+ Ke3 42.Rc1 Rf3+ 43.Kg2 Rf4 44.Re1+ Kd4 45.Kg3 f5 46.h3 fxg4 
47.hxg4 Rf6 48.Rf2 Rc6 49.g5 Rc3 50.Kg4 Rc4 51.Kh5 Rxb4 52.g6 Bc4 53.Rd2+ 
Kc3 54.Rd8 Rb2 55.Rg1 Rd2 56.Rc8 Kb2 57.g7 Bf7+ 58.Kg5 b4 59.Kf6 Ba2 60.
Rg4 Rd6+ 61.Kxe5 Re6+ 62.Kf5 Re2 63.Rxb4+ Ka3 64.Rb6 Bd5 65.g8=Q Rf2+ 66.
Ke5 Re2+ 67.Kxd5 Rd2+ 68.Ke4 Rd4+ {Time} 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Rogers, Ian"]
[Black "Petursson, Margeir"]
[Result "0-1"]
[BlackElo "2390"]
[ECO "B94"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.f4 Qb6 8.a3 e6
9.Bxf6 Nxf6 10.Qd2 Be7 11.O-O-O Qc7 12.g4 Nxg4 13.Rg1 Nf6 14.Rxg7 Bd7 15.
Bh3 Nh5 16.Rgg1 Nf6 17.Kb1 O-O-O 18.Qe3 h5 19.Rg7 Rh7 20.Rdg1 Rdh8 21.Qd3 
Bf8 22.Rxh7 Rxh7 23.Nf3 Rg7 24.Rxg7 Bxg7 25.Ng5 Bh6 26.Qg3 Bc6 27.Qh4 Qe7 
28.Nh7 Nd5 29.Qxh5 Nxc3+ 30.bxc3 Bxf4 31.Qg4 Bxh2 32.Kb2 Be5 33.Ng5 Qf6 
34.Kb3 Kb8 35.Qh5 Bf4 36.Nxf7 Bxe4 37.Nh8 Bd2 38.Qa5 Qxh8 39.Bxe6 Qe5 40.
Qd8+ Ka7 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Salazar Jacob, Hernan"]
[Black "Nakano, Mikka"]
[Result "1-0"]
[ECO "C69"]
[EventDate "1976.12.21"]
[PlyCount "59"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.dxe5 Qxd1 8.
Rxd1 fxe5 9.Rd3 Bxf3 10.gxf3 Bd6 11.Be3 O-O-O 12.Nd2 Nf6 13.Nc4 Rhf8 14.
Rad1 Rfe8 15.Nxd6+ cxd6 16.Rxd6 Rxd6 17.Rxd6 Kc7 18.Rd1 Nh5 19.Kf1 Rf8 20.
Ke2 Nf4+ 21.Bxf4 Rxf4 22.Rg1 Rf7 23.Rg5 g6 24.Rxe5 b6 25.Re8 Kb7 26.e5 Rc7
27.e6 Rc8 28.Re7+ Rc7 29.Rf7 Kc8 30.e7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Schussler, Harry"]
[Black "Kouatly, Bachar"]
[Result "1-0"]
[WhiteElo "2335"]
[BlackElo "2370"]
[ECO "B33"]
[EventDate "1976.12.21"]
[PlyCount "82"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
b5 9.Nd5 Be7 10.Bxf6 Bxf6 11.c3 O-O 12.Nc2 Bg5 13.a4 bxa4 14.Rxa4 a5 15.
Bc4 Bd7 16.O-O Ne7 17.Ra2 Bc6 18.Qd3 Nxd5 19.Bxd5 Qb6 20.Rfa1 Rab8 21.Na3 
Bb5 22.Nxb5 Qxb5 23.Bc4 Qb6 24.Rd1 Be7 25.b3 Qc5 26.Qd5 Qxd5 27.Rxd5 Rfc8 
28.Kf1 Kf8 29.Rdxa5 f5 30.exf5 Rc5 31.Ke2 g6 32.Rxc5 dxc5 33.fxg6 hxg6 34.
Ke3 Kg7 35.Ke4 Rd8 36.Ra7 Kf6 37.Ra6+ Rd6 38.Rxd6+ Bxd6 39.Kd5 Bf8 40.Bd3 
g5 41.h3 Be7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Sequeira, Joao"]
[Black "Avgoustinos, Avgousti"]
[Result "1-0"]
[ECO "B87"]
[EventDate "1976.12.21"]
[PlyCount "72"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 Be7 8.O-O b5
9.Qf3 Qc7 10.Qg3 O-O 11.Bh6 Ne8 12.Be3 Bd7 13.a3 Nc6 14.f4 Bf6 15.Nde2 Na5
16.f5 Nxb3 17.cxb3 Be5 18.Bf4 Qc5+ 19.Kh1 Nf6 20.Rac1 Nh5 21.Qg4 Nxf4 22.
Nxf4 exf5 23.exf5 Bxc3 24.Ne2 Qe5 25.Rxc3 Rfe8 26.Nd4 Rac8 27.Rg3 g6 28.
Qd1 Rc5 29.fxg6 hxg6 30.Rd3 Rd5 31.Qf3 Re7 32.Nf5 Bxf5 33.Rxd5 Qe6 34.Rd2 
Be4 35.Qf6 d5 36.Kg1 Rc7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Sisniega Campbell, Marcel"]
[Black "Ammann, Philipp"]
[Result "0-1"]
[BlackElo "2220"]
[ECO "B49"]
[EventDate "1976.12.21"]
[PlyCount "72"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be2 a6 7.Be3 Nf6 8.O-O 
Bb4 9.Na4 O-O 10.Nxc6 bxc6 11.f4 Be7 12.Bd3 c5 13.c4 d6 14.Nc3 Bb7 15.Rf3 
Rad8 16.Rh3 Rfe8 17.e5 dxe5 18.Bxh7+ Kf8 19.Qf1 Nxh7 20.Rxh7 Kg8 21.Rh5 
exf4 22.Bxf4 Qc6 23.Re1 Rd4 24.Re2 Rxc4 25.Rf2 Rd4 26.Rh3 Red8 27.Qb1 Bf6 
28.Be3 Rd3 29.Qc2 Bxc3 30.bxc3 Qe4 31.Qe2 Rd1+ 32.Rf1 R8d2 33.Rh8+ Kxh8 
34.Qh5+ Qh7 35.Qxh7+ Kxh7 36.Bxd2 Rxd2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Smith, Alvin Louis"]
[Black "Campora, Daniel Hugo"]
[Result "0-1"]
[ECO "C66"]
[EventDate "1976.12.21"]
[PlyCount "110"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.Nc3 Be7 6.d4 Bd7 7.Re1 exd4 8.Nxd4 
O-O 9.Nxc6 bxc6 10.Bd3 Re8 11.h3 h6 12.Be3 Nh7 13.Ne2 Bf6 14.c3 Ng5 15.Qc2
Ne6 16.Rad1 Qc8 17.Nf4 Nxf4 18.Bxf4 Re7 19.Qd2 Qf8 20.Bg3 g6 21.f4 Bg7 22.
Qe2 Qb8 23.f5 Be5 24.Bxe5 Rxe5 25.fxg6 fxg6 26.Bc4+ Be6 27.Qg4 Qe8 28.
Bxe6+ Qxe6 29.Qxe6+ Rxe6 30.e5 Rae8 31.Rd4 Rxe5 32.Rxe5 Rxe5 33.Ra4 a5 34.
b4 axb4 35.cxb4 Rb5 36.a3 c5 37.Ra5 c6 38.Ra6 cxb4 39.axb4 Rxb4 40.Rxc6 
Rd4 41.Rc7 Rf4 42.Rd7 Rf6 43.g4 g5 44.Kg2 Kf8 45.Kg3 Ke8 46.Rh7 d5 47.h4 
gxh4+ 48.Kxh4 d4 49.Ra7 Rd6 50.g5 $2 d3 51.Ra1 Rd4+ 52.Kh5 hxg5 53.Kxg5 
Ke7 54.Kf5 d2 55.Rd1 Kd6 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Tonoli, Walter"]
[Black "Omuku, Emmanuel"]
[Result "1-0"]
[ECO "A36"]
[EventDate "1976.12.21"]
[PlyCount "111"]

1.c4 c5 2.Nc3 Nf6 3.g3 Nc6 4.Bg2 g6 5.e4 Bg7 6.Nge2 d6 7.O-O Bd7 8.d3 a6 
9.h3 Rb8 10.b3 Qc8 11.Kh2 b5 12.Bb2 h5 13.f3 Nd8 14.Qc2 Ne6 15.Nd5 Ng5 16.
Nxf6+ exf6 17.Nf4 O-O 18.Nd5 Qd8 19.Rae1 Re8 20.Qf2 f5 21.f4 Nh7 22.e5 
dxe5 23.fxe5 Rc8 24.Re2 f6 25.Nf4 Nf8 26.Bd5+ Kh7 27.e6 Bc6 28.Qxc5 Bxd5 
29.Qxd5 Qxd5 30.cxd5 Kh6 31.d6 Rb8 32.d7 Nxd7 33.exd7 Rxe2+ 34.Nxe2 Rd8 
35.d4 Rxd7 36.Kg2 Bf8 37.Rd1 Bd6 38.Kf3 g5 39.Kf2 Rc7 40.Rc1 Rxc1 41.Bxc1 
Kg6 42.Be3 b4 43.Nc1 Kf7 44.d5 Bc7 45.Nd3 a5 46.Nc5 Ke7 47.Ne6 Bb8 48.Bc5+
Bd6 49.Bb6 Bb8 50.Bxa5 Kd6 51.Bxb4+ Kxd5 52.Ng7 f4 53.gxf4 gxf4 54.Nxh5 
Ke6 55.Kf3 Kf5 56.Bd2 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Upton, Timothy"]
[Black "Klauner, Theodore"]
[Result "1/2-1/2"]
[ECO "B92"]
[EventDate "1976.12.21"]
[PlyCount "67"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.f4 b5 10.Be3 Bb7 11.a4 Nxe4 12.Nxe4 Bxe4 13.axb5 axb5 14.Bxb5 Rxa1 
15.Nxa1 Qc7 16.Qe2 Rc8 17.c3 Nd7 18.Nb3 Nf6 19.Nd2 Bc6 20.Bc4 Bd5 21.Bd3 
Rb8 22.c4 Bc6 23.f5 Bd7 24.Ne4 Bc6 25.Nc3 d5 26.cxd5 Nxd5 27.Nxd5 Bxd5 28.
Rc1 Qd7 29.Bf2 Bd6 30.Qc2 Qb7 31.Be3 e4 32.Bc4 Bxc4 33.Qxc4 Qxb2 34.Qxe4 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Vladimirov, Evgeny"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "1-0"]
[ECO "A32"]
[EventDate "1976.12.21"]
[PlyCount "57"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.Nf3 cxd4 5.Nxd4 d5 6.Bg2 e5 7.Nf3 d4 8.O-O Nc6 
9.e3 Be6 10.exd4 exd4 11.Qb3 Qb6 12.Ng5 Qxb3 13.axb3 Bc5 14.Nxe6 fxe6 15.
Nd2 O-O 16.Ne4 Nxe4 17.Bxe4 Ne5 18.Kg2 Rfd8 19.Bd2 d3 20.Bc3 Bd4 21.Rfd1 
Rab8 22.h3 b5 23.cxb5 Nf7 24.Bxd3 Bb6 25.Bc4 Rxd1 26.Rxd1 Re8 27.Rd7 h6 
28.f4 Rd8 29.Rb7 {Time} 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Weidemann, Jorg"]
[Black "Wong, Sheldon"]
[Result "1-0"]
[ECO "C02"]
[EventDate "1976.12.21"]
[PlyCount "71"]

1.e4 c5 2.c3 e6 3.d4 d5 4.e5 Nc6 5.Nf3 Qc7 6.Bf4 Nge7 7.Bd3 Ng6 8.Bg3 Qb6 
9.Qd2 Bd7 10.dxc5 Bxc5 11.O-O O-O 12.h4 h6 13.h5 Nge7 14.b4 Nxb4 15.cxb4 
Bxb4 16.Qd1 Rac8 17.Bf4 Nc6 18.a3 Be7 19.Nbd2 a6 20.Rb1 Qc7 21.Qc1 b5 22.
Nb3 Qd8 23.Qe3 f5 24.exf6 Bxf6 25.Ne5 Nxe5 26.Bxe5 Bxe5 27.Qxe5 Qf6 28.
Qxf6 gxf6 29.Rbc1 e5 30.Nc5 Rfd8 31.Nxd7 Rxc1 32.Nxf6+ Kf7 33.Rxc1 Kxf6 
34.Rc6+ Kg5 35.Rg6+ Kxh5 36.Rg7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.26"]
[Round "5"]
[White "Zapata Ramirez, Alonso"]
[Black "Dur, Arne"]
[Result "1-0"]
[ECO "B33"]
[EventDate "1976.12.21"]
[PlyCount "73"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
b5 9.Bxf6 gxf6 10.Nd5 f5 11.Bd3 Be6 12.Qh5 Bg7 13.O-O f4 14.c3 O-O 15.g3 
Ra7 16.Nc2 Ne7 17.a4 bxa4 18.Ncb4 Ng6 19.Nc6 Qd7 20.Nxa7 Bg4 21.Nb6 Qxa7 
22.Qxg4 Qxb6 23.Qe2 f3 24.Qxf3 Qxb2 25.Bxa6 a3 26.Rfb1 Qc2 27.Qd3 Qa4 28.
Rb4 Qa5 29.Qb5 Qxb5 30.Bxb5 Ra8 31.Ra4 Rb8 32.c4 Bf8 33.R4xa3 Kg7 34.Ra7 
Kf6 35.Rc7 Ne7 36.Raa7 Rd8 37.Kg2 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Ahad, Wazin"]
[Black "Rogers, Ian"]
[Result "0-1"]
[ECO "B31"]
[EventDate "1976.12.21"]
[PlyCount "118"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.Bxc6 dxc6 7.d3 b6 8.b3 Ne7
9.Bb2 Qc7 10.Nbd2 O-O 11.Nc4 f6 12.a4 Rd8 13.Qe2 Be6 14.Ra2 h6 15.h3 g5 
16.Bc1 Ng6 17.Nh2 Nf4 18.Bxf4 exf4 19.Raa1 Re8 20.Rab1 Rad8 21.h4 Bf7 22.
Qf3 h5 23.g4 fxg3 24.Qxg3 Qxg3+ 25.fxg3 f5 26.hxg5 fxe4 27.dxe4 Bxc4 28.
bxc4 Rd2 29.a5 bxa5 30.Nf3 Rxc2 31.Rb7 Rf8 32.Rf1 Rxc4 33.Rxa7 Rxe4 34.
Rxa5 c4 35.Ra2 c3 36.Kg2 Rb4 37.Rc2 Rb2 38.Rc1 Rd8 39.Ne1 Rd5 40.Kf3 Rxg5 
41.Nd3 Rxc2 42.Rxc2 Kf7 43.Nf4 Ke7 44.Ke4 Kd6 45.Rh2 Be5 46.Ne2 c5 47.Kd3 
Kc6 48.Rh3 Kb5 49.Nxc3+ Bxc3 50.Kxc3 c4 51.Kc2 Kb4 52.Rh4 Rxg3 53.Rxh5 
Rg2+ 54.Kc1 Kb3 55.Rh8 Rg1+ 56.Kd2 c3+ 57.Kd3 Rd1+ 58.Ke2 c2 59.Rb8+ Ka4 
0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Ammann, Philipp"]
[Black "Mestel, Andrew Jonathan"]
[Result "1/2-1/2"]
[WhiteElo "2220"]
[BlackElo "2390"]
[ECO "A40"]
[EventDate "1976.12.21"]
[PlyCount "82"]

1.Nf3 g6 2.d4 Bg7 3.g3 c5 4.c3 Qb6 5.Bg2 Nf6 6.O-O O-O 7.Nbd2 cxd4 8.cxd4 
Nc6 9.Nc4 Qa6 10.b3 d5 11.Nce5 Bf5 12.Bb2 Rac8 13.Nh4 Be6 14.Nd3 Qb6 15.e3
Bg4 16.f3 Bd7 17.g4 Bh6 18.Qe1 Qa5 19.Bc3 Qb5 20.Rd1 a5 21.Rf2 Nb4 22.Nxb4
axb4 23.Bf1 Qb6 24.Bd2 Rc2 25.Bxb4 Rxf2 26.Kxf2 Bxg4 27.Ng2 Bf5 28.Bxe7 
Re8 29.Qb4 Qe6 30.Bxf6 Qxf6 31.Qxb7 Qd6 32.f4 g5 33.Qa6 Qxa6 34.Bxa6 Ra8 
35.Bd3 Rxa2+ 36.Kg3 Bd7 37.fxg5 Bxg5 38.Nf4 Bxf4+ 39.exf4 Rb2 40.f5 Rxb3 
41.Kf4 f6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Avgoustinos, Avgousti"]
[Black "Girault, Eric"]
[Result "1-0"]
[ECO "B10"]
[EventDate "1976.12.21"]
[PlyCount "43"]

1.e4 c6 2.Nc3 d5 3.Nf3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Ne5 Bh7 8.Qh5 
g6 9.Qf3 Nf6 10.Qb3 Qd5 11.Qxb7 Qxe5+ 12.Be2 e6 13.Qxa8 Bc5 14.Qb7 Ng4 15.
d4 Bxd4 16.O-O Qxg3 17.Bxg4 g5 18.c3 $6 Be4 19.Bh3 gxh4 20.cxd4 Qxh3 21.
Qxb8+ Kd7 22.gxh3 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Baart, Joan"]
[Black "Hebert, Jean"]
[Result "1/2-1/2"]
[BlackElo "2255"]
[ECO "A42"]
[EventDate "1976.12.21"]
[PlyCount "38"]

1.Nf3 g6 2.c4 Bg7 3.e4 d6 4.d4 Nd7 5.Nc3 e5 6.Be2 Nh6 7.h4 f6 8.d5 a5 9.h5
g5 10.Bd2 O-O 11.Qc1 Nc5 12.Nh2 c6 13.O-O cxd5 14.cxd5 Bd7 15.Be3 Rc8 16.
Qd2 b5 17.f3 Qb6 18.g4 b4 19.Nd1 Nf7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Binham, Timothy"]
[Black "Lo Kim Lin, Frank"]
[Result "1-0"]
[ECO "C26"]
[EventDate "1976.12.21"]
[PlyCount "77"]

1.e4 e5 2.Nc3 Nf6 3.g3 Nc6 4.Bg2 d6 5.Nge2 Be7 6.d3 Be6 7.O-O Qd7 8.d4 
exd4 9.Nxd4 Nxd4 10.Qxd4 c6 11.b3 Bh3 12.Bb2 Bxg2 13.Kxg2 O-O 14.Rad1 Qe6 
15.Rfe1 Ne8 16.Qe3 Bf6 17.Ba3 Be7 18.Ne2 Qe5 19.Nd4 Rd8 20.Nf5 a6 21.Nxe7+
Qxe7 22.e5 f5 23.exd6 Qxe3 24.Rxe3 Rf7 25.c4 Nf6 26.f3 Rdd7 27.Bb2 Kf8 28.
Bxf6 Rxf6 29.c5 Kf7 30.Rde1 Kg8 31.Re8+ Rf8 32.R8e7 Rf7 33.Kf2 g6 34.R1e5 
b6 35.Rxd7 Rxd7 36.Re7 Rd8 37.cxb6 Rxd6 38.b7 Rd8 39.Rc7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Campora, Daniel Hugo"]
[Black "Azadharf, Farrokh"]
[Result "1-0"]
[ECO "B23"]
[EventDate "1976.12.21"]
[PlyCount "45"]

1.e4 c5 2.Nc3 d6 3.f4 Nc6 4.Bb5 e6 5.Nf3 Be7 6.O-O Nf6 7.d3 O-O 8.Bxc6 
bxc6 9.Qe1 Rb8 10.e5 Ne8 11.b3 Ba6 12.Na4 Bb5 13.Nb2 Nc7 14.c4 Ba6 15.Be3 
Bb7 16.Rd1 Na6 17.Na4 Qc7 18.Qf2 Rbd8 19.exd6 Qxd6 20.Ng5 Bf6 21.Ne4 Qe7 
22.Naxc5 Nxc5 23.Bxc5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Diesen, Mark"]
[Black "Vladimirov, Evgeny"]
[Result "1/2-1/2"]
[WhiteElo "2325"]
[ECO "C09"]
[EventDate "1976.12.21"]
[PlyCount "48"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.exd5 exd5 5.Bb5+ Nc6 6.Ngf3 Bd6 7.dxc5 Bxc5 8.
O-O Ne7 9.Nb3 Bd6 10.Re1 O-O 11.Bg5 Bg4 12.Be2 Re8 13.c3 h6 14.Bh4 Qb6 15.
Bxe7 Rxe7 16.h3 Be6 17.Bd3 Rae8 18.Bc2 Bf4 19.Nfd4 Nxd4 20.Qxd4 Qxd4 21.
Nxd4 Bd7 22.Rxe7 Rxe7 23.Bb3 Bc6 24.Rd1 g6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Dunne, David Joseph"]
[Black "Van Egmond, Peter"]
[Result "1-0"]
[ECO "C90"]
[EventDate "1976.12.21"]
[PlyCount "45"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.d3 d6 
9.c3 Na5 10.Bc2 c5 11.Nbd2 Nd7 12.Nf1 Nb6 13.Be3 Nc6 14.Ng3 Re8 15.h3 Bf8 
16.d4 cxd4 17.cxd4 Nc4 18.Bb3 Nxe3 19.Rxe3 Qb6 20.Ng5 Re7 21.Qh5 h6 22.
Bxf7+ Rxf7 23.Qxf7+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Dur, Arne"]
[Black "Morris, Arthur"]
[Result "1-0"]
[ECO "B92"]
[EventDate "1976.12.21"]
[PlyCount "61"]

1.Nf3 c5 2.e4 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.a4 b6 10.Be3 Qc7 11.Qd2 Be6 12.f4 Nbd7 13.f5 Bc4 14.g4 Qc6 15.Bxc4 
Qxc4 16.Qg2 d5 17.Nd2 Qb4 18.g5 Bc5 19.Bxc5 Qxc5+ 20.Kh1 Nxe4 21.Ndxe4 
dxe4 22.Nxe4 Qc7 23.Ra3 Rfc8 24.Rc3 Qb8 25.Rd3 Nf8 26.Rh3 Qc7 27.Nf6+ gxf6
28.gxf6+ Ng6 29.fxg6 fxg6 30.f7+ Kg7 31.Qg5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Foisor, Ovidiu"]
[Black "Zapata Ramirez, Alonso"]
[Result "1-0"]
[ECO "E81"]
[EventDate "1976.12.21"]
[PlyCount "77"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 O-O 5.Be3 d6 6.f3 c6 7.Bd3 a6 8.Nge2 b5 9.
O-O Nbd7 10.Qd2 e5 11.d5 bxc4 12.Bxc4 Nb6 13.Bb3 cxd5 14.exd5 Bb7 15.Bg5 
Qe8 16.Ng3 Qb8 17.Be3 Nfd7 18.Nge4 Rc8 19.f4 f5 20.Ng5 Nc4 21.Bxc4 Rxc4 
22.Ne6 Nf8 23.Nxg7 Kxg7 24.fxe5 dxe5 25.Bh6+ Kg8 26.Qg5 Rg4 27.Qe7 Qa7+ 
28.Rf2 Bxd5 29.Qxa7 Rxa7 30.Nxd5 Nd7 31.Rc1 Kf7 32.Rc6 a5 33.Bd2 Rb7 34.
Bc3 Re4 35.Kf1 Rb5 36.Nc7 Rb7 37.Rd2 Nf6 38.Rdd6 Ng8 39.Rd7+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Ftacnik, Lubomir"]
[Black "Chaves, Jaime Augusto"]
[Result "1-0"]
[ECO "A26"]
[EventDate "1976.12.21"]
[PlyCount "95"]

1.c4 e5 2.Nc3 Nc6 3.g3 Nf6 4.Bg2 g6 5.Nf3 Bg7 6.O-O O-O 7.d3 d6 8.Rb1 a5 
9.a3 Re8 10.Nd2 Be6 11.b4 axb4 12.axb4 d5 13.b5 Ne7 14.Bb2 c6 15.Ra1 Rxa1 
16.Qxa1 Nd7 17.Qa3 Bh6 18.cxd5 cxd5 19.Nb3 Bf8 20.d4 e4 21.Qa7 b6 22.Nd2 
Bh6 23.e3 Nc8 24.Qa2 Nf6 25.Rc1 Re7 26.Bf1 Rc7 27.Ne2 Ne8 28.Rxc7 Nxc7 29.
Nc3 Qd7 30.Be2 f5 31.Bd1 Qf7 32.Bb3 g5 33.Bc1 Bf8 34.Ndb1 Bd6 35.Ba3 Bxa3 
36.Nxa3 f4 37.exf4 gxf4 38.Qd2 f3 39.Qg5+ Kf8 40.Qd8+ Kg7 41.Qg5+ Kf8 42.
Nc2 Nd6 43.Qd8+ Nde8 44.Qb8 Qg6 45.Qxb6 e3 46.Nxe3 Qd3 47.Qc5+ Kf7 48.Bd1 
1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Georgiev, Krum"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "0-1"]
[ECO "B97"]
[EventDate "1976.12.21"]
[PlyCount "64"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 
Qxb2 9.Nb3 Nc6 10.Bxf6 gxf6 11.Be2 f5 12.Rb1 Qa3 13.exf5 Bg7 14.fxe6 Bxe6 
15.Bf3 Qb4 16.Ne4 d5 17.c3 Qe7 18.Ng5 Bf5+ 19.Kf2 Bxb1 20.Rxb1 O-O-O 21.
Bxd5 Bd4+ 22.cxd4 Rxd5 23.Re1 Qf6 24.Ne4 Qh4+ 25.Kg1 Rhd8 26.g3 Qh6 27.Rd1
Nxd4 28.Nxd4 Qb6 29.Qc2+ Kb8 30.Rb1 Qxd4+ 31.Nf2 Qe3 32.Rb3 Qe1+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Klauner, Theodore"]
[Black "Chandler, Murray Graham"]
[Result "0-1"]
[ECO "A10"]
[EventDate "1976.12.21"]
[PlyCount "60"]

1.c4 e6 2.Nc3 b6 3.e4 Bb7 4.g3 f5 5.Bg2 Nf6 6.Qc2 Nc6 7.Nge2 Be7 8.O-O 
fxe4 9.Nxe4 O-O 10.a3 Kh8 11.N4c3 d5 12.cxd5 Nxd5 13.Nxd5 exd5 14.d4 Bf6 
15.Be3 Na5 16.Nf4 Re8 17.b3 c6 18.Rfe1 c5 19.Rad1 cxd4 20.Bd2 Rc8 21.Qd3 
Be5 22.Bh3 Rc6 23.Ne2 Rf8 24.b4 Nc4 25.Nxd4 Qf6 26.Be3 Nb2 27.Qe2 Nxd1 28.
Nxc6 Nc3 29.Qd2 Qxc6 30.Rc1 d4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Kokkinos, Leonidas"]
[Black "Sisniega Campbell, Marcel"]
[Result "0-1"]
[ECO "C17"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Ne7 5.Bd2 c5 6.a3 Bxc3 7.Bxc3 cxd4 8.Bxd4 
Nbc6 9.Nf3 O-O 10.Be2 Nxd4 11.Qxd4 Nc6 12.Qe3 Bd7 13.O-O Qc7 14.c4 Ne7 15.
Rac1 Bc6 16.Bd3 h6 17.c5 Ng6 18.Rfe1 Qe7 19.Nd4 Rfc8 20.f4 Bd7 21.b4 Rc7 
22.g4 Qh4 23.Qg3 Qxg3+ 24.hxg3 Ne7 25.Rc3 a6 26.Kf2 Nc6 27.Ke3 f6 28.Nxc6 
bxc6 29.Kd4 Kf7 30.Rh1 a5 31.exf6 Kxf6 32.g5+ hxg5 33.fxg5+ Kxg5 34.Ke5 
axb4 35.axb4 Be8 36.Rh8 Rd8 37.b5 d4 38.b6 Rd5+ 39.Ke4 Bg6+ 40.Kf3 Rf7+ 
0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Kouatly, Bachar"]
[Black "Leow, Leslie"]
[Result "0-1"]
[WhiteElo "2370"]
[BlackElo "2280"]
[ECO "A80"]
[EventDate "1976.12.21"]
[PlyCount "43"]

1.d4 f5 2.Bg5 h6 3.Bh4 c5 4.e3 Qb6 5.Nd2 cxd4 6.Nc4 Qb4+ 7.c3 dxc3 8.a3 
c2+ 9.Qd2 Qxd2+ 10.Kxd2 Nc6 11.Nf3 d6 12.Kxc2 g5 13.Bg3 Nf6 14.Rd1 Bg7 15.
b4 b5 16.Nxd6+ exd6 17.Bxb5 Bd7 18.Bc4 Rc8 19.Kb3 Ne4 20.Rhe1 Ke7 21.Rd3 
Rc7 22.Bd5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Marrero Martin, Miguel"]
[Black "Messa, Roberto"]
[Result "1/2-1/2"]
[ECO "B06"]
[EventDate "1976.12.21"]
[PlyCount "101"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.c3 Nd7 5.Bd3 c5 6.O-O Qc7 7.Qe2 a6 8.a4 Ngf6 
9.Re1 cxd4 10.cxd4 O-O 11.a5 b5 12.axb6 Qxb6 13.Na3 e5 14.Nc4 Qb8 15.Bd2 
exd4 16.Nxd4 Ne5 17.Nxe5 dxe5 18.Nc6 Bg4 19.Qe3 Qb7 20.Nxe5 Qxb2 21.Nc4 
Qb7 22.Reb1 Qc7 23.Ba5 Qa7 24.Bb6 Qd7 25.Bc5 Rfd8 26.Nb6 Qxd3 27.Qxd3 Rxd3
28.Nxa8 Nd7 29.Be3 Bxa1 30.Rxa1 Rd1+ 31.Rxd1 Bxd1 32.Nb6 Ne5 33.f4 Nd3 34.
Bd2 Nc5 35.e5 Nb3 36.Be3 a5 37.Kf2 h5 38.Ke1 Bc2 39.Na4 Kf8 40.Nc5 Ke7 41.
Nxb3 Bxb3 42.h4 Ke6 43.Bb6 a4 44.Kd2 Kf5 45.g3 Kg4 46.Bd8 Kxg3 47.Bg5 a3 
48.Kc1 Ba2 49.Kc2 Kf3 50.Kc3 Bc4 51.Kc2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Nakano, Mikka"]
[Black "Karaosmanoglu, Sedat"]
[Result "0-1"]
[ECO "D35"]
[EventDate "1976.12.21"]
[PlyCount "34"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.cxd5 exd5 6.Nxd5 $4 Nxd5 7.Nf3 Bb4+
8.Bd2 Bxd2+ 9.Nxd2 O-O 10.g3 N7b6 11.Bg2 f5 12.Qb3 Be6 13.Qf3 c6 14.O-O f4
15.Nb3 fxg3 16.Qxg3 Nf4 17.Qe3 Qg5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Oltra Caurin, Ramon"]
[Black "Smith, Alvin Louis"]
[Result "1-0"]
[ECO "C78"]
[EventDate "1976.12.21"]
[PlyCount "89"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5 6.Bb3 Bb7 7.Ng5 d5 8.exd5 
Nd4 9.Re1 Bd6 10.f4 e4 11.Nxe4 O-O 12.d3 Nxd5 13.Bxd5 Bxd5 14.Nbc3 Bb4 15.
Bd2 Bb7 16.a3 Bxc3 17.bxc3 Nf5 18.Qh5 Bxe4 19.Rxe4 g6 20.Qe2 Re8 21.Rxe8+ 
Qxe8 22.Qxe8+ Rxe8 23.Kf2 c6 24.a4 Re6 25.Bc1 Ne7 26.Rb1 Nd5 27.Bd2 Nb6 
28.axb5 cxb5 29.g3 f5 30.Be3 Nd5 31.Bd4 Rc6 32.Rb3 Kf7 33.Ke2 h6 34.Be5 
Ke6 35.Ra3 Kd7 36.Kd2 h5 37.Ra5 Ke6 38.Bd4 Kd7 $2 39.c4 Nc7 40.cxb5 Nxb5 
41.Be5 Na7 42.c4 Nc8 43.Kc3 Nb6 44.Bd4 Nc8 45.Bc5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Omuku, Emmanuel"]
[Black "Rayner, Emmanuel"]
[Result "0-1"]
[ECO "A16"]
[EventDate "1976.12.21"]
[PlyCount "90"]

1.c4 g6 2.g3 Bg7 3.Bg2 Nf6 4.Nc3 O-O 5.b3 c6 6.Bb2 d5 7.d4 Bf5 8.e3 Na6 9.
a3 dxc4 10.bxc4 e5 11.dxe5 Ng4 12.Nf3 Nxe5 13.Nxe5 Bxe5 14.O-O Bd3 15.Re1 
Bxc4 16.Qa4 Be6 17.Red1 Qc7 18.Rab1 Bf5 19.e4 Bg4 20.Rdc1 Qd7 21.Nd1 Bxb2 
22.Nxb2 Rfd8 23.Nd1 Nc5 24.Rxc5 Bxd1 25.Qc4 Bg4 26.e5 Bh3 27.Bxh3 Qxh3 28.
Qe2 Rd7 29.Rc3 Qe6 30.Rcb3 b6 31.Re3 Rad8 32.Qf3 c5 33.Kg2 c4 34.Rbe1 b5 
35.h4 h5 36.Re4 Kg7 37.g4 hxg4 38.Rxg4 Rd4 39.Rf4 Rxf4 40.Qxf4 Rh8 41.Rd1 
Rh5 42.Re1 a5 43.Kg3 g5 44.Qf3 Rxh4 45.Qg2 Qg4# 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Petursson, Margeir"]
[Black "Schussler, Harry"]
[Result "0-1"]
[WhiteElo "2390"]
[BlackElo "2335"]
[ECO "A42"]
[EventDate "1976.12.21"]
[PlyCount "144"]

1.c4 g6 2.e4 Bg7 3.d4 d6 4.Nc3 Nd7 5.Nf3 c6 6.Be2 a6 7.a4 a5 8.O-O e5 9.
Be3 Ngf6 10.Qd2 O-O 11.Rad1 Qe7 12.dxe5 dxe5 13.Qd6 Qxd6 14.Rxd6 Re8 15.
Ne1 Bf8 16.Rd1 Bc5 17.Nc2 Ra6 18.f4 Kg7 19.fxe5 Rxe5 20.Rf4 Rb6 21.Rb1 h5 
22.h4 Nf8 23.Rbf1 N8h7 24.Bxc5 Rxc5 25.Rb1 Ng8 26.Ne3 Nh6 27.b3 Nf6 28.Bd1
Ra6 29.Rb2 Ra8 30.Rbf2 Nfg8 31.Na2 Re5 32.Nc1 Re7 33.Nd3 Be6 34.Rd2 Rd8 
35.Bc2 Red7 36.Rd1 Nf6 37.Nf2 Nhg4 38.Rxd7 Rxd7 39.Nfxg4 Nxg4 40.Nxg4 Bxg4
41.Rf2 Bd1 42.e5 Bxc2 43.Rxc2 Rd3 44.Rb2 c5 45.Kf2 Kf8 46.Ke2 Rd4 47.Rd2 
Re4+ 48.Kf3 Rxe5 49.Rd7 Re7 50.Rd8+ Kg7 51.Ra8 b6 52.Rb8 Re6 53.Rb7 Rd6 
54.Ke3 Kf6 55.g3 Ke6 56.Ke4 Kf6 57.Kf4 Ke6 58.Ke4 Rd4+ 59.Ke3 Rd7 60.Rxb6+
Kf5 61.Rb5 Kg4 62.Rxc5 Kxg3 63.Rxa5 f5 64.Ra6 f4+ 65.Ke4 g5 66.c5 f3 67.
Rf6 f2 68.c6 Rd6 69.Rf5 g4 70.c7 Rc6 71.Kd5 Rxc7 72.a5 Rc3 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Popovic, Petar"]
[Black "Kristensen, Leif"]
[Result "0-1"]
[WhiteElo "2405"]
[ECO "B72"]
[EventDate "1976.12.21"]
[PlyCount "22"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Bc4 Bg7 7.Be3 O-O 8.h3 
Nxe4 9.Nxe4 $2 d5 10.Bd3 dxe4 11.Bxe4 f5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Sellos, Didier"]
[Black "Helmers, Knut"]
[Result "1/2-1/2"]
[BlackElo "2265"]
[ECO "B03"]
[EventDate "1976.12.21"]
[PlyCount "101"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.c4 Nb6 5.f4 dxe5 6.fxe5 Nc6 7.Be3 Bf5 8.Nc3 e6
9.Nf3 Nb4 10.Rc1 c5 11.a3 cxd4 12.Nxd4 Nc6 13.Nxc6 bxc6 14.Qf3 Rc8 15.Qg3 
Qc7 16.Be2 Nd7 17.O-O Bg6 18.Kh1 Be7 19.Bf4 O-O 20.Rfd1 Nc5 21.b4 Nb3 22.
Rb1 Bc2 23.Qe3 Rfd8 24.Rxd8+ Rxd8 25.Rb2 Nd4 26.Bf1 Bg6 27.Qf2 c5 28.Na4 
cxb4 29.axb4 Nc6 30.b5 Nxe5 31.c5 f6 32.c6 Qa5 33.Nc5 Rd1 34.Bxe5 Bxc5 35.
c7 Qxc7 36.Bxc7 Bxf2 37.Rxf2 Bd3 38.Kg1 Bxb5 39.g3 Kf7 40.Kg2 Bxf1+ 41.
Rxf1 Rxf1 42.Kxf1 e5 43.Ke2 Ke6 44.g4 g6 45.Ke3 Kd5 46.h4 Ke6 47.Ke4 f5+ 
48.gxf5+ gxf5+ 49.Ke3 h5 50.Bd8 Kd5 51.Bc7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Tonoli, Walter"]
[Black "Greenberg, Nir"]
[Result "0-1"]
[ECO "C68"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6 6.a4 f6 7.Na3 Bg4 8.Nc4 
Qd7 9.Ne3 Be6 10.d4 exd4 11.Nxd4 Bf7 12.c3 O-O-O 13.b4 Bxb4 14.cxb4 Qxd4 
15.Qg4+ Kb8 16.Rd1 Nh6 17.Rxd4 Nxg4 18.Rxd8+ Rxd8 19.f3 Ne5 20.Bb2 Be6 21.
Ra3 Rd2 22.Bc3 Re2 23.Bd4 Re1+ 24.Kf2 Rb1 25.Bc5 b6 26.Bf8 g6 27.Be7 Nd7 
28.a5 b5 29.Rc3 Kb7 30.f4 f5 31.e5 c5 32.bxc5 Kc6 33.Nc2 b4 34.Rd3 Rb2 35.
Rd2 Rxc2 36.Rxc2 b3 37.Rc1 Bd5 38.Rb1 Nxc5 39.Bxc5 Kxc5 40.Ke3 Kb4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Twardon, Marian"]
[Black "Weidemann, Jorg"]
[Result "0-1"]
[ECO "C11"]
[EventDate "1976.12.21"]
[PlyCount "114"]

1.e4 e6 2.Nf3 d5 3.Nc3 Nf6 4.e5 Nfd7 5.d4 b6 6.Bd3 Be7 7.O-O c5 8.Re1 Nc6 
9.Bf4 Nb4 10.Bf1 Ba6 11.a3 Bxf1 12.axb4 cxb4 13.Nxd5 exd5 14.Kxf1 Nf8 15.
Qd3 Ne6 16.Bd2 O-O 17.Ng1 Qc7 18.b3 f5 19.Nh3 f4 20.g3 f3 21.Nf4 Qd7 22.
Qxf3 Nxd4 23.Qxd5+ Qxd5 24.Nxd5 Bc5 25.Bxb4 Nxc2 26.Bxc5 bxc5 27.Nc7 Rac8 
28.Nd5 Rb8 29.Rxa7 Nxe1 30.Ne7+ Kh8 31.Kxe1 Rxb3 32.Nf5 Rf3 33.Nd6 Rxf2 
34.e6 R2f6 35.Re7 h5 36.Ne4 Rf5 37.Ke2 Kh7 38.Kd3 Rd8+ 39.Ke3 c4 40.Rc7 
Rd3+ 41.Ke2 Re5 42.Rxc4 Rd6 43.Kf3 Rdxe6 44.Kf4 Kg6 45.h4 Rf5+ 46.Ke3 Rf8 
47.Rd4 Kf5 48.Rd5+ Re5 49.Rxe5+ Kxe5 50.Nf2 Ra8 51.Kf3 Ra3+ 52.Kg2 Kd4 53.
Nh3 Ke3 54.Nf4 Ra2+ 55.Kh3 Kf3 56.Ne6 Rg2 57.Ng5+ Kf2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Upton, Timothy"]
[Black "Sequeira, Joao"]
[Result "1/2-1/2"]
[ECO "B49"]
[EventDate "1976.12.21"]
[PlyCount "46"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.Be2 Qc7 7.O-O Nf6 8.Be3 
Bb4 9.Nxc6 bxc6 10.Na4 O-O 11.Nb6 Rb8 12.Nxc8 Rfxc8 13.Bxa6 Rd8 14.Bg5 Qe5
15.Bxf6 gxf6 16.Bd3 Bd6 17.f4 Qc5+ 18.Kh1 Rxb2 19.e5 fxe5 20.Qg4+ Kf8 21.
Qh4 Rdb8 22.fxe5 Qxe5 23.Qxh7 Qg7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Wong, Sheldon"]
[Black "Groszpeter, Attila"]
[Result "0-1"]
[ECO "A30"]
[EventDate "1976.12.21"]
[PlyCount "130"]

1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.O-O c5 6.Nc3 d6 7.b3 Nbd7 8.Bb2 a6 
9.e3 Be7 10.Qe2 O-O 11.d4 Rb8 12.Rad1 Re8 13.Rd2 cxd4 14.exd4 d5 15.Ne5 
dxc4 16.Bxb7 Rxb7 17.Nc6 Qc8 18.Nxe7+ Rxe7 19.bxc4 Re8 20.Rc1 Rc7 21.Nd1 
h6 22.Rdc2 Qb7 23.f3 Rec8 24.Ne3 Qc6 25.Kf2 Qb7 26.Qd3 Re8 27.Re1 Rcc8 28.
Ree2 b5 29.c5 Nd5 30.Qb3 Nxe3 31.Rxe3 Qc6 32.Rce2 Nf6 33.Qc2 Nd5 34.Re5 a5
35.Bc1 Nb4 36.Qb1 Rcd8 37.a3 Nd5 38.Qe4 Qd7 39.Bb2 Ne7 40.Rh5 Nd5 41.Qh4 
f5 42.Qh3 Nf6 43.Rh4 Qd5 44.Qf1 Qb3 45.Qc1 Nd5 46.Qd2 b4 47.axb4 axb4 48.
c6 Rc8 49.Rxh6 gxh6 50.Qxh6 Rxc6 51.Bc1 Ne7 52.Qh5 Rec8 53.Bh6 e5 54.Qg5+ 
Ng6 55.Qxf5 Qf7 56.Qe4 exd4 57.Qxd4 Rc3 58.Qe4 b3 59.h4 Rc2 60.Bd2 b2 61.
Qb4 Rd8 62.h5 Rcxd2 63.Rxd2 Rxd2+ 64.Qxd2 b1=Q 65.hxg6 Qa7+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.27"]
[Round "6"]
[White "Yap, Andronico"]
[Black "Salazar Jacob, Hernan"]
[Result "1-0"]
[ECO "C02"]
[EventDate "1976.12.21"]
[PlyCount "71"]

1.e4 c5 2.Nf3 e6 3.c3 d5 4.e5 Qb6 5.d4 Nc6 6.Bd3 Bd7 7.dxc5 Bxc5 8.O-O h5 
9.b4 Be7 10.a4 Nh6 11.Na3 a6 12.Qe2 Rc8 13.a5 Qa7 14.b5 Nxa5 15.bxa6 bxa6 
16.Bxa6 Rb8 17.Be3 Qc7 18.Nb5 Bxb5 19.Bxb5+ Kf8 20.Ra4 Nf5 21.Rfa1 Nb7 22.
Ba7 Ra8 23.Qb2 Rd8 24.Ra6 Bc5 25.Rc6 Qe7 26.Ba6 Bxa7 27.Bxb7 Bb8 28.Bc8 
Ba7 29.Qa2 Qe8 30.Qa6 Ne7 31.Bb7 Bxf2+ 32.Kxf2 Nxc6 33.Bxc6 Qe7 34.Qb6 Rc8
35.Ra7 Qd8 36.Qb7 {Time} 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Ahad, Wazin"]
[Black "Kokkinos, Leonidas"]
[Result "1-0"]
[ECO "C55"]
[EventDate "1976.12.21"]
[PlyCount "73"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.O-O Bc5 6.c3 Nxe4 7.cxd4 Bb6 8.Re1
d5 9.Bxd5 Qxd5 10.Nc3 Qd8 11.Rxe4+ Kf8 12.d5 Ne7 13.Bf4 Bf5 14.Re2 Ng6 15.
Qa4 Qd7 16.Qb4+ Kg8 17.Ne5 Nxe5 18.Rxe5 a5 19.Qe7 f6 20.Qxd7 Bxd7 21.Re7 
Rd8 22.Rd1 Bc5 23.d6 cxd6 24.Bxd6 Bg4 25.Bxc5 Bxd1 26.Bb6 Rc8 27.Nxd1 Rc1 
28.Rd7 h6 29.Bxa5 Kh7 30.g3 Ra8 31.Bc3 Rxa2 32.Kg2 Kg6 33.Ne3 Ra7 34.Nd5 
h5 35.Nf4+ Kh6 36.Ne6 g5 37.Nf8 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Azadharf, Farrokh"]
[Black "Wong, Sheldon"]
[Result "1-0"]
[ECO "A39"]
[EventDate "1976.12.21"]
[PlyCount "79"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 c5 4.O-O Bg7 5.c4 O-O 6.Nc3 Nc6 7.d4 cxd4 8.Nxd4 
Qc7 9.Ndb5 Qd8 10.c5 a6 11.Na3 b5 12.cxb6 Qxb6 13.Na4 Qc7 14.Qc2 Rb8 15.
Rd1 Ne8 16.Bg5 h6 17.Be3 f5 18.Rac1 Rf6 19.Nc4 Nb4 20.Qb3 d5 21.Ncb6 Nc6 
22.Qxd5+ Kh7 23.Rxc6 Rxc6 24.Qxc6 Qxc6 25.Bxc6 Nd6 26.Bc5 Be6 27.Bxd6 exd6
28.b3 Bf8 29.Bd5 Re8 30.Bxe6 Rxe6 31.e3 g5 32.Nd5 Kg6 33.Nb2 h5 34.Nc4 Re8
35.Nc7 Rc8 36.Nxa6 Ra8 37.Nb4 h4 38.h3 Kh5 39.Rd5 hxg3 40.fxg3 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Baart, Joan"]
[Black "Oltra Caurin, Ramon"]
[Result "1-0"]
[ECO "B38"]
[EventDate "1976.12.21"]
[PlyCount "115"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 c5 5.d4 cxd4 6.Nxd4 Nc6 7.Be3 O-O 8.Be2 
b6 9.O-O Bb7 10.f3 d6 11.Nc2 Rc8 12.Qd2 Qd7 13.Rad1 Rfd8 14.Bg5 Ne5 15.b3 
Qc7 16.Kh1 a6 17.Ne3 Ned7 18.Ned5 Bxd5 19.Nxd5 Nxd5 20.cxd5 Bc3 21.Qe3 f6 
22.Bh4 b5 23.f4 Qc5 24.Qh3 Nf8 25.Bg4 Ra8 26.Bf2 Qc7 27.Rd3 b4 28.Qh6 Qa5 
29.Rh3 f5 30.exf5 Bg7 31.Qh4 Bf6 32.Qg3 Qxd5 33.fxg6 hxg6 34.Be2 e6 35.Bc4
Qb7 36.Bd3 Qg7 37.Qf3 Rac8 38.Bb6 Re8 39.f5 gxf5 40.Rg3 Ng6 41.Bxf5 exf5 
42.Qxf5 Kf7 43.Bd4 Re6 44.Bxf6 Qxf6 45.Qxg6+ Ke7 46.Qh7+ Kd8 47.Rg8+ Re8 
48.Rxe8+ Kxe8 49.Qg8+ Ke7 50.Re1+ Kd7 51.Qg4+ Kd8 52.Qxb4 Rc2 53.Qb8+ Kd7 
54.Qe8+ Kc7 55.Re7+ Kb6 56.Qd8+ Kb5 57.Rb7+ Kc6 58.Rc7+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Chaves, Jaime Augusto"]
[Black "Chandler, Murray Graham"]
[Result "1-0"]
[ECO "B00"]
[EventDate "1976.12.21"]
[PlyCount "73"]

1.e4 e6 2.d4 b6 3.Nf3 Bb7 4.Bd3 c5 5.c3 Nf6 6.Qe2 Be7 7.O-O Nc6 8.Nbd2 
cxd4 9.Nxd4 Ne5 10.Bc2 Qc8 11.f4 Ba6 12.Qd1 Ng6 13.Rf3 Qc7 14.N2b3 d5 15.
e5 Ne4 16.Nd2 Nc5 17.Ba4+ Kf8 18.Bc2 Rd8 19.Qe1 b5 20.Qg3 b4 21.Qh3 Nh4 
22.Rf2 g6 23.cxb4 Ne4 24.Nxe4 dxe4 25.Be3 Nf5 26.Nxf5 exf5 27.Rc1 Bxb4 28.
g4 fxg4 29.Qh6+ Kg8 30.Bb3 Qe7 31.e6 fxe6 32.f5 Rd5 33.fxe6 Rf5 34.Rxf5 
gxf5 35.Rc7 Bd6 36.Rxe7 Bxe7 37.Bd4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Van Egmond, Peter"]
[Black "Tonoli, Walter"]
[Result "1-0"]
[ECO "D77"]
[EventDate "1976.12.21"]
[PlyCount "145"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d5 6.c4 dxc4 7.Na3 Nc6 8.Nxc4 
Be6 9.b3 Bd5 10.Bb2 a5 11.a4 Nb4 12.e3 c6 13.Qe2 Qc7 14.Rfc1 Rfb8 15.Bf1 
Ne4 16.Nfd2 Nxd2 17.Nxd2 e5 18.dxe5 Bxe5 19.Nc4 Bxc4 20.Rxc4 Rd8 21.Bxe5 
Qxe5 22.Rd1 Qe7 23.Rcd4 Rxd4 24.Rxd4 Rd8 25.Qd2 Rxd4 26.Qxd4 c5 27.Qf4 Kg7
28.Bc4 Nc6 29.h4 h5 30.Bd5 Nb4 31.Bc4 Nc6 32.Qg5 Qd6 33.Qd5 Qe7 34.Be2 Ne5
35.Qe4 Kf8 36.Kf1 Qc7 37.Qc2 Ng4 38.Qc4 Ne5 39.Qc3 Qc6 40.Kg1 Qd5 41.Qxa5 
Kg8 42.Qc3 Nf3+ 43.Bxf3 Qxf3 44.Qc2 Qd5 45.Kf1 Qf3 46.Ke1 b6 47.Qd1 Qf6 
48.Qd5 Kg7 49.Ke2 Qb2+ 50.Kf1 Qf6 51.Ke2 Qb2+ 52.Kf1 Qf6 53.Kg2 Qb2 54.e4 
Qe2 55.Qc4 Qb2 56.Qd3 Qe5 57.Kf3 Qb2 58.Qd5 Qc3+ 59.Kg2 Qb2 60.e5 Qe2 61.
e6 fxe6 62.Qb7+ Kh6 63.Qxb6 Qe4+ 64.Kh2 Qf5 65.Qc6 Qxf2+ 66.Qg2 Qe1 67.Qa2
Qa5 68.Qe2 Qb6 69.Qd2+ Kh7 70.Qd7+ Kh6 71.Qe8 Kh7 72.Qf7+ Kh6 73.Qg8 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Georgiev, Krum"]
[Black "Dunne, David Joseph"]
[Result "1-0"]
[ECO "B07"]
[EventDate "1976.12.21"]
[PlyCount "111"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f3 c6 5.Be3 Nbd7 6.h4 b5 7.Bd3 Nb6 8.Qe2 b4 9.
Nd1 e5 10.g4 h5 11.g5 Nfd7 12.f4 exf4 13.Bxf4 Be7 14.Ne3 d5 15.O-O-O O-O 
16.Nf3 Re8 17.Rhf1 Bf8 18.Ne5 Nxe5 19.Bxe5 Nd7 20.exd5 Nxe5 21.dxe5 Rxe5 
22.Qf2 Qe8 23.Ng2 cxd5 24.Nf4 Bg7 25.Qc5 Bg4 26.Bb5 Bf8 27.Qd4 Qxb5 28.
Qxe5 Bxd1 29.Rxd1 Re8 30.Qxd5 Qb6 31.Nd3 Rd8 32.Qf3 Qe6 33.Kb1 Rd6 34.Rf1 
Qd5 35.Qf4 Rd7 36.Re1 Qd6 37.Qf3 Re7 38.Rd1 Qb6 39.Nf4 Qe3 40.Qf1 Bg7 41.
Nd5 Qe5 42.Nxe7+ Kh7 43.c3 Qxe7 44.Qe1 Qxe1 45.Rxe1 bxc3 46.b4 Bd4 47.Re4 
Bb6 48.a4 Kg7 49.a5 Bf2 50.b5 Kf8 51.Kc2 f5 52.gxf6 Kf7 53.Re7+ Kxf6 54.
Rxa7 Bxh4 55.Ra8 g5 56.a6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Girault, Eric"]
[Black "Nakano, Mikka"]
[Result "1-0"]
[ECO "E40"]
[EventDate "1976.12.21"]
[PlyCount "57"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 d5 5.a3 Bxc3+ 6.bxc3 Ne4 7.cxd5 Nxc3 8.Qc2
Nxd5 9.Bd3 Nf6 10.Nf3 O-O 11.e4 g6 12.Bg5 Nc6 13.Qc3 Re8 14.O-O Kg7 15.
Rad1 h6 16.Bh4 g5 17.Bg3 Kf8 18.Rfe1 Ng8 19.Bc4 f5 20.exf5 exf5 21.Rxe8+ 
Kxe8 22.Bxc7 Qxc7 23.Bxg8 Qg7 24.Bb3 Bd7 25.Re1+ Kf8 26.Qc5+ Ne7 27.Ne5 
Ke8 28.Ng6 Rc8 29.Rxe7+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Greenberg, Nir"]
[Black "Sisniega Campbell, Marcel"]
[Result "1/2-1/2"]
[ECO "C06"]
[EventDate "1976.12.21"]
[PlyCount "117"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 f6
9.exf6 Nxf6 10.O-O Bd6 11.Nf3 Qc7 12.Nc3 a6 13.Bg5 O-O 14.Bh4 Bd7 15.Re1 
Rae8 16.Qd2 Kh8 17.Bg3 Bxg3 18.hxg3 e5 19.dxe5 Nxe5 20.Rxe5 Rxe5 21.Qf4 
Rfe8 22.Nxe5 Qxe5 23.Qxe5 Rxe5 24.f3 Kg8 25.Kf2 Kf7 26.Ne2 Ke7 27.Rc1 Kd6 
28.Nd4 Re8 29.g4 g6 30.g5 Ng8 31.f4 Rf8 32.Kf3 Ne7 33.g4 Nc6 34.Nxc6 bxc6 
35.b4 Rb8 36.Rh1 Rxb4 37.Rxh7 Ra4 38.f5 gxf5 39.Bxf5 Ra3+ 40.Kf4 Ra4+ 41.
Kg3 Ra3+ 42.Kh4 Bxf5 43.gxf5 Rxa2 44.Kg3 Ra3+ 45.Kg4 Ra4+ 46.Kg3 Ra3+ 47.
Kf2 Ra2+ 48.Ke1 Rg2 49.g6 a5 50.Rg7 Ke5 51.Rc7 Kxf5 52.Rxc6 Ke4 53.Ra6 Ke3
54.Kf1 Rg4 55.Rxa5 d4 56.Re5+ Kd2 57.Re2+ Kc1 58.Rg2 Rxg2 59.Kxg2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Groszpeter, Attila"]
[Black "Petursson, Margeir"]
[Result "1/2-1/2"]
[BlackElo "2390"]
[ECO "B22"]
[EventDate "1976.12.21"]
[PlyCount "60"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 e6 5.Nf3 Nc6 6.Bd3 Nf6 7.O-O Bd7 8.c4 Qd6
9.dxc5 Qc7 10.a3 Bxc5 11.b4 Bd6 12.c5 Bf4 13.Nc3 a6 14.Ne4 Nxe4 15.Bxe4 
Be5 16.Rb1 Bf6 17.Qc2 Ne5 18.Bb2 Nxf3+ 19.Bxf3 Bxb2 20.Qxb2 O-O 21.Rbd1 
Bb5 22.Rfe1 Rad8 23.Qc2 g6 24.Rxd8 Rxd8 25.Rd1 Rd7 26.Rxd7 Bxd7 27.Qd2 Bc6
28.Bxc6 Qxc6 29.Qd8+ Kg7 30.Qd4+ Kg8 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Hebert, Jean"]
[Black "Sellos, Didier"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[ECO "B26"]
[EventDate "1976.12.21"]
[PlyCount "95"]

1.e4 c5 2.Nc3 d6 3.g3 g6 4.Bg2 Bg7 5.d3 Nc6 6.Be3 Nf6 7.h3 O-O 8.Qd2 Bd7 
9.Nge2 Rb8 10.O-O b5 11.Bh6 b4 12.Nd1 Ne8 13.Bxg7 Nxg7 14.g4 e6 15.f4 f5 
16.Ne3 Ne7 17.Rae1 Bc6 18.Ng3 Qc7 19.Rf2 Rbe8 20.Nc4 Nc8 21.c3 bxc3 22.
Qxc3 Nb6 23.b3 Rd8 24.g5 Nxc4 25.Qxc4 Qa5 26.Rc1 Bb5 27.Qc2 Qa3 28.Bf1 a5 
29.Qd2 Qb4 30.Qd1 Ra8 31.h4 a4 32.bxa4 Bxa4 33.Qf3 Bc6 34.Rc4 Qb1 35.Rcc2 
Rfb8 36.Qe3 Ra3 37.Rc1 Qb4 38.e5 dxe5 39.Qxe5 Bd5 40.h5 Rb7 41.h6 Ne8 42.
Bg2 Bxg2 43.Kxg2 Re7 44.Qxc5 Qb7+ 45.Qc6 Qa7 46.Qc4 Nd6 47.Qc2 Qd4 48.Rb1 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Helmers, Knut"]
[Black "Popovic, Petar"]
[Result "0-1"]
[WhiteElo "2265"]
[BlackElo "2405"]
[ECO "E97"]
[EventDate "1976.12.21"]
[PlyCount "72"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.O-O Nc6 8.d5 Ne7 
9.Nd2 c5 10.Rb1 Ne8 11.b4 b6 12.bxc5 bxc5 13.Nb3 f5 14.Bd2 Nf6 15.f3 Nh5 
16.g3 Nf6 17.Nc1 h5 18.Nd3 Kh8 19.Qc2 Neg8 20.Nf2 h4 21.Kg2 Nh6 22.Rbe1 
Nh5 23.exf5 gxf5 24.f4 hxg3 25.hxg3 Nxg3 26.Kxg3 exf4+ 27.Bxf4 Be5 28.Qd2 
Rg8+ 29.Kf3 Qh4 30.Rg1 Qh5+ 31.Ke3 Bxf4+ 32.Kxf4 Qh2+ 33.Kf3 Ng4 34.Rh1 
Ne5+ 35.Ke3 Rg3+ 36.Bf3 Rxf3+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Karaosmanoglu, Sedat"]
[Black "Klauner, Theodore"]
[Result "1/2-1/2"]
[ECO "A47"]
[EventDate "1976.12.21"]
[PlyCount "43"]

1.d4 Nf6 2.Nf3 e6 3.e3 b6 4.Bd3 Bb7 5.Nbd2 c5 6.c3 cxd4 7.exd4 Qc7 8.O-O 
Nc6 9.Qe2 a6 10.Ne1 Bd6 11.h3 Bh2+ 12.Kh1 h5 13.Ne4 Nxe4 14.Bxe4 Bd6 15.f4
Ne7 16.Nd3 f6 17.f5 Bxe4 18.Qxe4 Qc6 19.Qxc6 Nxc6 20.Bf4 Bxf4 21.Nxf4 Kf7 
22.Rae1 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Kristensen, Leif"]
[Black "Mestel, Andrew Jonathan"]
[Result "1/2-1/2"]
[BlackElo "2390"]
[ECO "B22"]
[EventDate "1976.12.21"]
[PlyCount "43"]

1.e4 c5 2.Nf3 e6 3.c3 Nf6 4.Bd3 d5 5.e5 Nfd7 6.Bc2 d4 7.O-O Nc6 8.Re1 a6 
9.Qe2 Qc7 10.d3 Be7 11.Nbd2 g5 12.Nc4 g4 13.Ng5 Rg8 14.Qxg4 Rg6 15.Qh5 
Ndxe5 16.Nxe5 Nxe5 17.Qxh7 Bxg5 18.Qh8+ Kd7 19.Qxe5 Qxe5 20.Rxe5 Be7 21.
cxd4 f6 22.Re4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Leow, Leslie"]
[Black "Ammann, Philipp"]
[Result "1-0"]
[WhiteElo "2280"]
[BlackElo "2220"]
[ECO "B80"]
[EventDate "1976.12.21"]
[PlyCount "67"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.g3 a6 7.Bg2 Nf6 8.O-O d6
9.Re1 Bd7 10.Nxc6 bxc6 11.Na4 Rc8 12.c4 c5 13.Nc3 Be7 14.f4 h5 15.b3 Bc6 
16.Bb2 Nd7 17.Qd3 Bf6 18.Nd1 Bxb2 19.Nxb2 Nb8 20.Rad1 Rd8 21.Qc3 f6 22.e5 
Bxg2 23.Kxg2 O-O 24.exd6 Rxd6 25.Rxd6 Qxd6 26.Rd1 Qc6+ 27.Qf3 Kf7 28.Qxc6 
Nxc6 29.Na4 Nb4 30.Rd7+ Kg6 31.Nxc5 Rc8 32.Nxe6 Nxa2 33.Rxg7+ Kf5 34.Re7 
1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Lo Kim Lin, Frank"]
[Black "Omuku, Emmanuel"]
[Result "1-0"]
[ECO "B84"]
[EventDate "1976.12.21"]
[PlyCount "102"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.Be3 Be7 8.O-O b5
9.Bf3 Bb7 10.e5 Nd5 11.Nxd5 exd5 12.exd6 Bxd6 13.Nf5 O-O 14.Qd4 f6 15.
Bxd5+ Kh8 16.Bxb7 Bxh2+ 17.Kxh2 Qc7+ 18.Qd6 Qxd6+ 19.Nxd6 Nd7 20.Bxa8 Rxa8
21.Rad1 Ne5 22.Bf4 Ng6 23.Bg3 h5 24.Nf7+ Kh7 25.Rd5 h4 26.Bc7 Ra7 27.Rd7 
Nf8 28.Rfd1 Nxd7 29.Rxd7 Ra8 30.Rd8 Ra7 31.Rc8 a5 32.Nd6 b4 33.Nf5 g5 34.
Bb6 Ra6 35.Rc6 Kg6 36.Nd4 a4 37.Bc5 a3 38.b3 Ra5 39.Bxb4 Rd5 40.c3 g4 41.
Rc4 Rd8 42.Bxa3 Ra8 43.Nc2 Rd8 44.Bc1 Rd1 45.Be3 Rf1 46.a4 f5 47.Rc6+ Kf7 
48.Rc4 Ke6 49.a5 Ke5 50.a6 g3+ 51.fxg3 hxg3+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Marrero Martin, Miguel"]
[Black "Dur, Arne"]
[Result "1/2-1/2"]
[ECO "B34"]
[EventDate "1976.12.21"]
[PlyCount "56"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Nde2 Nf6 7.g3 O-O 8.Bg2 
d6 9.O-O Bd7 10.h3 a6 11.a4 Rb8 12.Nd5 Nxd5 13.exd5 Ne5 14.a5 Nc4 15.Nd4 
Nxa5 16.Bg5 h6 17.Bxe7 Qxe7 18.Rxa5 Qd8 19.Ra2 Qc8 20.Kh2 Qc4 21.Nb3 Rfe8 
22.Ra1 Bxb2 23.Rb1 Bg7 24.Nd2 Qc7 25.c4 b5 26.cxb5 Bxb5 27.Re1 Rxe1 28.
Qxe1 a5 $17 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Messa, Roberto"]
[Black "Upton, Timothy"]
[Result "0-1"]
[ECO "C73"]
[EventDate "1976.12.21"]
[PlyCount "56"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.Bxc6+ bxc6 6.d4 f6 7.Be3 Ne7 8.Nc3 
Ng6 9.Qd2 Be7 10.O-O-O Bd7 11.d5 c5 12.Rdg1 Qb8 13.g4 Qb7 14.a3 Rb8 15.Nd1
c6 16.h4 cxd5 17.h5 Nf8 18.exd5 c4 19.Ne1 c3 20.Qxc3 Qxd5 21.Qd3 Qb7 22.
Rh2 Ne6 23.f4 exf4 24.Bd4 O-O 25.Bc3 d5 26.Nf3 Nc5 27.Qd4 Ne4 28.Rgg2 Bc5 
0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Morris, Arthur"]
[Black "Avgoustinos, Avgousti"]
[Result "1/2-1/2"]
[ECO "B52"]
[EventDate "1976.12.21"]
[PlyCount "91"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 Nf6 7.Re1 g6 8.d4 
cxd4 9.cxd4 Bg7 10.Nc3 O-O 11.Bf4 h6 12.d5 Nb4 13.Qd2 Kh7 14.a3 Na6 15.b4 
Rac8 16.Rac1 Rc4 17.Be3 Nxe4 18.Nxe4 Rxe4 19.Bxa7 Rxe1+ 20.Rxe1 e5 21.dxe6
fxe6 22.Bd4 Bxd4 23.Qxd4 Nb8 24.Qg4 Re8 25.h4 Qf7 26.Qe4 Re7 27.h5 d5 28.
Qh4 g5 29.Qg4 Nd7 30.Ne5 Nxe5 31.Rxe5 Qf4 32.Qe2 Qf6 33.a4 Kg7 34.a5 Kf7 
35.Re3 Kg7 36.b5 Qa1+ 37.Kh2 Qxa5 38.Rxe6 Qc7+ 39.g3 Rxe6 40.Qxe6 Qf7 41.
Qxf7+ Kxf7 42.f4 Kf6 43.Kg2 Kf5 44.Kf3 gxf4 45.gxf4 d4 46.b6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Rayner, Emmanuel"]
[Black "Kouatly, Bachar"]
[Result "0-1"]
[BlackElo "2370"]
[ECO "B33"]
[EventDate "1976.12.21"]
[PlyCount "88"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Bg5 a6 8.Na3 
b5 9.Nd5 Be7 10.Bxf6 Bxf6 11.c3 O-O 12.Nc2 Rb8 13.b4 Be6 14.Nce3 Bg5 15.a3
Ne7 16.c4 Bxe3 17.Nxe3 bxc4 18.Bxc4 a5 19.Bxe6 fxe6 20.Qb3 d5 21.O-O axb4 
22.axb4 Kh8 23.Rfd1 Qb6 24.exd5 exd5 25.Nxd5 Qxf2+ 26.Kh1 Qf7 27.Qf3 Qxf3 
28.gxf3 Nc6 29.Re1 h6 30.Rac1 Nd4 31.Rxe5 Nxf3 32.Re3 Nh4 33.Re2 Rb5 34.
Rd2 g5 35.Rcd1 Rf3 36.Rd3 Rf2 37.R3d2 Rxd5 38.Rxd5 Nf3 39.R5d2 Rxd2 40.
Rxd2 Nxd2 41.b5 Nc4 42.Kg2 Kg7 43.Kf3 Kf6 44.Ke4 Nd6+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Rogers, Ian"]
[Black "Campora, Daniel Hugo"]
[Result "1/2-1/2"]
[ECO "C55"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Bc4 Nf6 5.O-O Bc5 6.c3 Be7 7.e5 Ne4 8.Bd5 
Nc5 9.cxd4 Ne6 10.Bb3 Na5 11.d5 Nxb3 12.axb3 Nf8 13.Re1 d6 14.exd6 cxd6 
15.Qd4 f6 16.Nh4 Kf7 17.Rxa7 Rxa7 18.Qxa7 f5 19.Nf3 Bf6 20.Na3 Nd7 21.Nc4 
Nc5 22.Ng5+ Kg6 23.Nh3 Kf7 24.Bf4 Be7 25.Rxe7+ Qxe7 26.Nxd6+ Kg6 27.g3 Nd7
28.Qd4 h6 29.g4 Nf6 30.gxf5+ Kh7 31.Be5 Rd8 32.Nxc8 Rxc8 33.Nf4 Qd7 34.
Bxf6 gxf6 35.Ne6 Qb5 36.Qd1 Rg8+ 37.Kh1 Qb4 38.Qe2 Qa5 39.Qd1 Qb6 40.Qh5 
Qxf2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Salazar Jacob, Hernan"]
[Black "Smith, Alvin Louis"]
[Result "1-0"]
[ECO "C68"]
[EventDate "1976.12.21"]
[PlyCount "91"]

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 Ne7 10.Nc4 Ng6 11.Nxe5 Nxe5 12.Qg3 Ng6 13.Bg5 f6 14.Rad1 
Qe7 15.Bc1 Qf7 16.Qb3 Qxb3 17.axb3 Ke7 18.f4 Rhd8 19.Kf2 Rxd1 20.Rxd1 Rd8 
21.Rxd8 Kxd8 22.g4 Kd7 23.Kg3 Nh8 24.f5 Nf7 25.h4 c5 26.Bf4 h6 27.Kf3 Kc6 
28.c4 b6 29.g5 hxg5 30.hxg5 fxg5 31.Bg3 Kd7 32.Kg4 a5 33.e5 Ke7 34.e6 Nh6+
35.Kxg5 c6 36.Be5 Nxf5 37.Kxf5 g6+ 38.Kxg6 Kxe6 39.Bc7 b5 40.Bxa5 bxc4 41.
bxc4 Ke5 42.Kf7 Kd4 43.b3 Kd3 44.Ke6 Kc2 45.Kd6 Kxb3 46.Kxc5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Schussler, Harry"]
[Black "Ftacnik, Lubomir"]
[Result "1/2-1/2"]
[WhiteElo "2335"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "69"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 Nf6 5.Be2 O-O 6.O-O Bg4 7.Be3 Nc6 8.Qd2 e5
9.d5 Ne7 10.Rad1 Nd7 11.Ng5 Bxe2 12.Nxe2 h6 13.Nh3 Kh7 14.f3 f5 15.g4 Nb6 
16.b3 Qd7 17.Nf2 fxg4 18.fxg4 Rf3 19.Kg2 Raf8 20.h3 g5 21.Ng3 Ng6 22.Nf5 
Nh4+ 23.Nxh4 gxh4 24.Nh1 Qf7 25.Qe2 Rf6 26.Rf5 Nc8 27.Rdf1 Ne7 28.Rxf6 
Bxf6 29.Nf2 Bg5 30.Nd1 Qxf1+ 31.Qxf1 Rxf1 32.Kxf1 Bxe3 33.Nxe3 Ng6 34.Nf5 
Nf4 35.Nxh4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Sequeira, Joao"]
[Black "Yap, Andronico"]
[Result "1/2-1/2"]
[ECO "B04"]
[EventDate "1976.12.21"]
[PlyCount "118"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 g6 5.Bc4 Nb6 6.Bb3 Bg7 7.Ng5 d5 8.f4 f6 9.
Nf3 fxe5 10.fxe5 O-O 11.O-O Bg4 12.h3 Bxf3 13.Rxf3 Rxf3 14.Qxf3 e6 15.Be3 
Nc6 16.Nd2 Qh4 17.Qg4 Qxg4 18.hxg4 Rf8 19.c3 Na5 20.Rf1 h6 21.Rxf8+ Kxf8 
22.Kf2 g5 23.Bc2 Ke7 24.b3 Kd8 25.Ke2 a6 26.Bd3 c5 27.Nf3 Nd7 28.Kd2 Nc6 
29.a3 Bf8 30.b4 cxd4 31.Nxd4 Ndxe5 32.Nxe6+ Ke7 33.Bf5 Kf7 34.Nxf8 Kxf8 
35.Be6 Ke7 36.Bxd5 Nxg4 37.Bd4 Nf6 38.Bxc6 bxc6 39.Bxf6+ Kxf6 40.Ke3 h5 
41.c4 h4 42.a4 Ke5 43.Kf3 Kf5 44.a5 g4+ 45.Kf2 Ke5 46.b5 cxb5 47.cxb5 Kd6 
48.b6 Kc6 49.Ke3 Kb7 50.Kf4 h3 51.gxh3 gxh3 52.Kg3 Kc6 53.Kxh3 Kb7 54.Kg3 
Kc6 55.Kf4 Kd6 56.Ke4 Kc6 57.Ke5 Kb7 58.Kd5 Kb8 59.Kc6 Ka8 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Twardon, Marian"]
[Black "Foisor, Ovidiu"]
[Result "1/2-1/2"]
[ECO "B67"]
[EventDate "1976.12.21"]
[PlyCount "69"]

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.f3 b5 10.g4 h6 11.Be3 Ne5 12.Bd3 b4 13.Nce2 d5 14.Ng3 Nxd3+ 15.Qxd3 
e5 16.exd5 exd4 17.Qxd4 Bd6 18.Bd2 Rb8 19.g5 hxg5 20.Bxg5 Rc8 21.Ne4 Qc7 
22.Nxd6+ Qxd6 23.Rhe1+ Kd8 24.Rd2 Re8 25.Rxe8+ Kxe8 26.Qh4 Ng8 27.Bf4 Qf6 
28.Qe1+ Kf8 29.Qg3 Ne7 30.Bg5 Qg6 31.Bxe7+ Kxe7 32.Qh4+ Kf8 33.Qh8+ Ke7 
34.Qh4+ Kf8 35.Qh8+ 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Vera Gonzalez, Reynaldo"]
[Black "Diesen, Mark"]
[Result "1/2-1/2"]
[BlackElo "2325"]
[ECO "B82"]
[EventDate "1976.12.21"]
[PlyCount "66"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be3 a6 7.f4 b5 8.Qf3 Bb7 
9.Bd3 Nbd7 10.g4 h6 11.Rf1 Rc8 12.h4 b4 13.Nce2 d5 14.e5 Ne4 15.g5 g6 16.
h5 Ndc5 17.Qg4 Qe7 18.Bxe4 dxe4 19.hxg6 fxg6 20.gxh6 Rxh6 21.O-O-O Qh4 22.
Qxh4 Rxh4 23.Rh1 Rxh1 24.Rxh1 Kf7 25.Nb3 Nxb3+ 26.axb3 Bd5 27.Kb1 Bg7 28.
Nd4 g5 29.fxg5 Bxe5 30.Ne2 Kg7 31.Nf4 Rf8 32.Nh5+ Kg6 33.Nf6 Rf7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Vladimirov, Evgeny"]
[Black "Weidemann, Jorg"]
[Result "1-0"]
[ECO "A89"]
[EventDate "1976.12.21"]
[PlyCount "61"]

1.d4 f5 2.g3 g6 3.Bg2 Nf6 4.Nf3 Bg7 5.O-O O-O 6.c4 d6 7.Nc3 Nc6 8.d5 Ne5 
9.Qb3 Nfd7 10.Nxe5 dxe5 11.Rd1 h6 12.c5 Kh7 13.c6 Nb6 14.a4 a5 15.Nb5 Rf6 
16.Be3 Ra6 17.Rac1 bxc6 18.dxc6 Rd6 19.Rxd6 exd6 20.Qf7 Na8 21.Bd5 Qf8 22.
Qxf8 Bxf8 23.f4 exf4 24.gxf4 Nb6 25.Bxb6 Rxb6 26.Nxc7 Bg7 27.Nb5 Ba6 28.c7
Bc8 29.b3 Ra6 30.Rc6 g5 31.Nxd6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.28"]
[Round "7"]
[White "Zapata Ramirez, Alonso"]
[Black "Binham, Timothy"]
[Result "0-1"]
[ECO "C05"]
[EventDate "1976.12.21"]
[PlyCount "92"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Ne4 5.Bd3 Nxd2 6.Bxd2 c5 7.dxc5 Nd7 8.Nf3 
Nxc5 9.Bb5+ Bd7 10.Qe2 Be7 11.O-O O-O 12.Be3 Bxb5 13.Qxb5 Qc7 14.Qe2 b5 
15.Nd4 Qxe5 16.Nc6 Qc7 17.Qxb5 Rfc8 18.Nxe7+ Qxe7 19.Qb4 Rab8 20.Qa3 Rb7 
21.f3 e5 22.Rfe1 Ne6 23.Qxe7 Rxe7 24.c3 Rb7 25.Bc1 f6 26.Re2 Kf7 27.Rd2 d4
28.cxd4 Rbc7 29.Rd1 exd4 30.Bd2 Rc2 31.Rdc1 d3 32.Kf1 Nd4 33.Be3 Nf5 34.
Bd2 R8c6 35.Bf4 g5 36.Bd2 Nd4 37.Be3 d2 38.Bxd2 Rxd2 39.Rxc6 Nxc6 40.Rc1 
Rd6 41.Rc4 Kg6 42.b4 Ne5 43.Rc7 Ra6 44.Rc2 Ra4 45.Rb2 Nd3 46.Rd2 Nxb4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "8"]
[White "Ammann, Philipp"]
[Black "Twardon, Marian"]
[Result "1-0"]
[WhiteElo "2220"]
[ECO "D76"]
[EventDate "1976.12.21"]
[PlyCount "53"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.c4 d5 6.d4 Nc6 7.cxd5 Nxd5 8.e4 
Nb6 9.d5 Na5 10.Nc3 c6 11.Bg5 cxd5 12.exd5 h6 13.Bf4 Nac4 14.Qe2 Nd6 15.
Rfe1 Re8 16.Bxd6 Qxd6 17.Nb5 Qd7 18.d6 Nd5 19.Rad1 a6 20.Rxd5 axb5 21.Ne5 
Bxe5 22.Qxe5 e6 23.Rc5 Rd8 24.Rd1 Ra6 25.Bf1 b6 26.Bxb5 Qa7 27.Rxc8 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Campora, Daniel Hugo"]
[Black "Georgiev, Krum"]
[Result "1/2-1/2"]
[ECO "B26"]
[EventDate "1976.12.21"]
[PlyCount "49"]

1.e4 c5 2.Nc3 d6 3.g3 Nc6 4.Bg2 g6 5.d3 Bg7 6.Be3 Rb8 7.Nge2 e6 8.d4 b6 9.
O-O Nge7 10.Qd2 O-O 11.Rad1 e5 12.dxe5 dxe5 13.Qxd8 Nxd8 14.Nd5 Nxd5 15.
Rxd5 Nc6 16.c3 Be6 17.Rd6 Rbc8 18.b3 Rfd8 19.Rfd1 Rxd6 20.Rxd6 Bf8 21.Rd2 
b5 22.Bf1 f6 23.Nc1 a6 24.f3 Kf7 25.Kf2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "8"]
[White "Chandler, Murray Graham"]
[Black "Binham, Timothy"]
[Result "1-0"]
[WhiteElo "2385"]
[BlackElo "2340"]
[ECO "C84"]
[EventDate "1976.12.21"]
[PlyCount "43"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4 exd4 6.O-O Be7 7.Re1 b5 8.e5 
Nxe5 9.Rxe5 bxa4 10.Nxd4 O-O 11.Nc3 d6 12.Nc6 dxe5 13.Nxd8 Rxd8 14.Qe2 a3 
15.bxa3 Bb7 16.Bg5 h6 17.Bh4 Re8 18.Rb1 Rab8 19.h3 e4 20.Qe3 Bc6 21.Rxb8 
Rxb8 22.Qa7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Chaves, Jaime Augusto"]
[Black "Kristensen, Leif"]
[Result "1/2-1/2"]
[ECO "B35"]
[EventDate "1976.12.21"]
[PlyCount "103"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.h3 O-O 8.Bc4 
Nc6 9.O-O Qa5 10.Bb3 Bd7 11.f4 Rad8 12.Qd3 a6 13.Rad1 Nxd4 14.Bxd4 Bc6 15.
Qe3 Nd7 16.Nd5 Rde8 17.Bxg7 Kxg7 18.Kh1 Qc5 19.Qd3 e6 20.Nc3 Nf6 21.f5 
exf5 22.exf5 Re3 23.Qd4 Rxh3+ 24.Kg1 Rg3 25.Rf2 Rg4 26.Qxc5 dxc5 27.fxg6 
fxg6 28.Be6 Rg5 29.Re1 Re8 30.Ree2 Re7 31.a3 Nh5 32.Bc4 Rxe2 33.Nxe2 Rf5 
34.Rxf5 gxf5 35.b4 cxb4 36.axb4 Kf6 37.Nd4 Be4 38.b5 axb5 39.Bxb5 Ke5 40.
Nf3+ Kf4 41.Ne1 Ke3 42.Kh2 Kd2 43.Nd3 Kxc2 44.Nf2 Nf6 45.Kg3 Nd5 46.Kh4 
Nc3 47.Bd7 b5 48.g4 b4 49.gxf5 b3 50.f6 Bd5 51.Bf5+ Kd2 52.Nd3 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "8"]
[White "Diesen, Mark"]
[Black "Leow, Leslie"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2280"]
[ECO "B52"]
[EventDate "1976.12.21"]
[PlyCount "99"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 e5 6.Nc3 Nc6 7.d3 Nge7 8.a3 
g6 9.Bg5 Bg7 10.Bxe7 Nxe7 11.b4 O-O 12.O-O f5 13.Rb1 h6 14.Re1 Nc6 15.Nd5 
Rf7 16.Nh4 Kh7 17.exf5 g5 18.Nf3 Qxf5 19.Qe2 cxb4 20.axb4 a5 21.bxa5 Rxa5 
22.Ra1 Rc5 23.Rab1 Ne7 24.Nc3 Ng6 25.Qe4 Nf4 26.Qxf5+ Rxf5 27.Re3 Rf7 28.
Ne4 Rc6 29.Nexg5+ hxg5 30.Nxg5+ Kg6 31.Nxf7 Kxf7 32.Rxb7+ Kg8 33.h4 Ra6 
34.Kh2 Kh8 35.g3 Ne6 36.Rf3 Nc5 37.Re7 Ra8 38.g4 Kg8 39.g5 Rf8 40.Rxf8+ 
Bxf8 41.Ra7 Nxd3 42.f3 Nf4 43.Rd7 Ne6 44.Kg3 Nf4 45.Kg4 Ng2 46.h5 Ne3+ 47.
Kh3 e4 48.fxe4 Nxc4 49.Kg3 Ne5 50.Rc7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Dur, Arne"]
[Black "Helmers, Knut"]
[Result "1/2-1/2"]
[BlackElo "2265"]
[ECO "B06"]
[EventDate "1976.12.21"]
[PlyCount "60"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bc4 Nf6 5.Nbd2 O-O 6.O-O Nc6 7.c3 Bg4 8.Re1 e5
9.h3 Bxf3 10.Nxf3 exd4 11.Nxd4 Nxd4 12.cxd4 d5 13.exd5 Nxd5 14.Qf3 Nb6 15.
Bb3 c6 16.Bf4 Qd7 17.Be5 Rad8 18.Rad1 Nd5 19.Bxg7 Kxg7 20.Bxd5 Qxd5 21.
Qxd5 Rxd5 22.Re7 Rb5 23.b3 Rd8 24.Rc7 Re8 25.Kf1 Re4 26.Rd3 Kf8 27.Re3 
Rxd4 28.Ree7 Rf5 29.Rxb7 Rd2 30.Re2 Rd1+ 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Van Egmond, Peter"]
[Black "Marrero Martin, Miguel"]
[Result "0-1"]
[ECO "A94"]
[EventDate "1976.12.21"]
[PlyCount "85"]

1.Nf3 f5 2.g3 Nf6 3.Bg2 e6 4.O-O Be7 5.c4 O-O 6.d4 d5 7.b3 c6 8.Ba3 Nbd7 
9.Qc1 Ne4 10.Nbd2 Bxa3 11.Qxa3 Qf6 12.Qb2 Kh8 13.Nxe4 fxe4 14.Ne5 Nxe5 15.
dxe5 Qg5 16.f4 Qg4 17.Qd2 Bd7 18.Qe3 b6 19.b4 Rab8 20.cxd5 cxd5 21.h3 Qg6 
22.Rac1 Rbc8 23.Kh2 Bb5 24.Rxc8 Rxc8 25.Rc1 Qe8 26.Rd1 Rc2 27.Rd2 Qc6 28.
Rxc2 Qxc2 29.f5 exf5 30.Qg5 Qc8 31.e3 h6 32.Qg6 Be8 33.Qd6 Bf7 34.Qe7 Bh5 
35.e6 Bf3 36.h4 Qc2 37.Qf8+ Kh7 38.Qxf5+ Kh8 39.Qh3 $4 Qxg2+ 40.Qxg2 Bxg2 
41.Kxg2 Kg8 42.Kh3 h5 43.g4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "8"]
[White "Ftacnik, Lubomir"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "1-0"]
[WhiteElo "2360"]
[ECO "A22"]
[EventDate "1976.12.21"]
[PlyCount "65"]

1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O 5.Nf3 Re8 6.O-O e4 7.Nd4 Nc6 8.Nc2 
Bxc3 9.dxc3 h6 10.Ne3 d6 11.Qc2 Ne5 12.h3 Be6 13.b3 a5 14.a4 Ned7 15.f4 
exf3 16.exf3 d5 17.f4 dxc4 18.f5 cxb3 19.Qf2 Ne5 20.fxe6 Rxe6 21.Nd5 Nd3 
22.Qd4 b2 23.Bxb2 Nxb2 24.Ra2 Nxd5 25.Bxd5 c5 26.Qd2 Qd6 27.Rxb2 Qxg3+ 28.
Qg2 Qe3+ 29.Kh1 Re7 30.Bxf7+ Kh8 31.c4 Rf8 32.Rbf2 Re5 33.Rf3 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Hebert, Jean"]
[Black "Ahad, Wazin"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[ECO "C85"]
[EventDate "1976.12.21"]
[PlyCount "75"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
O-O 9.Nc4 f6 10.Nh4 Nb6 11.Nxb6 cxb6 12.Qf3 g6 13.Qg3 Kh8 14.Nf3 Bd6 15.b3
Qe7 16.h3 a5 17.a3 Bd7 18.Nh2 a4 19.b4 c5 20.c3 f5 21.f3 Rac8 22.Re1 cxb4 
23.cxb4 Rc2 24.Bg5 Qe6 25.d4 f4 26.Qh4 exd4 27.e5 Bb8 28.Be7 Rf7 29.Bf6+ 
Kg8 30.Ng4 d3 31.Nh6+ Kf8 32.Nxf7 Qxf7 33.Qxf4 b5 34.Bg5 Qxf4 35.Bxf4 Ba7+
36.Kh2 Bc6 37.Rf1 Bd4 38.Rae1 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Klauner, Theodore"]
[Black "Zapata Ramirez, Alonso"]
[Result "0-1"]
[ECO "E67"]
[EventDate "1976.12.21"]
[PlyCount "58"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O e5 7.d4 Nbd7 8.Rb1 Re8
9.b4 c6 10.Rb3 exd4 11.Nxd4 Ne5 12.c5 a5 13.bxa5 dxc5 14.Nf3 Nc4 15.Nd2 
Nxa5 16.Ra3 Be6 17.Nde4 Qxd1 18.Rxd1 b6 19.Bh6 Nxe4 20.Bxg7 Nxf2 21.Kxf2 
Kxg7 22.Rd6 Rac8 23.Ra4 f5 24.e3 Rcd8 25.Bxc6 Rxd6 26.Bxe8 Rd2+ 27.Kg1 Rc2
28.Ra3 Nc4 29.Ra7+ Kf8 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Kokkinos, Leonidas"]
[Black "Sequeira, Joao"]
[Result "1/2-1/2"]
[ECO "B76"]
[EventDate "1976.12.21"]
[PlyCount "58"]

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.O-O-O Bd7 10.h4 Rc8 11.h5 Nxh5 12.g4 Nf6 13.Qh2 h5 14.Nd5 Nxg4 15.
fxg4 Bxg4 16.Be2 Bxe2 17.Qxe2 e6 18.Nc3 Nxd4 19.Bxd4 Bxd4 20.Rxd4 Qg5+ 21.
Qd2 Qxd2+ 22.Rxd2 Rfd8 23.Rhd1 Rc6 24.Nb5 d5 25.exd5 exd5 26.Rxd5 Rxd5 27.
Rxd5 h4 28.Kd2 Re6 29.Rd4 Rb6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "8"]
[White "Kouatly, Bachar"]
[Black "Baart, Joan"]
[Result "1-0"]
[WhiteElo "2370"]
[ECO "A69"]
[EventDate "1976.12.21"]
[PlyCount "82"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 d6 5.e4 Bg7 6.f4 O-O 7.Be2 e6 8.Nf3 exd5 9.
cxd5 Re8 10.e5 dxe5 11.fxe5 Ng4 12.Bg5 Qb6 13.O-O Nxe5 14.d6 Qxb2 15.Nd5 
Nxf3+ 16.Bxf3 Qd4+ 17.Kh1 Qxa1 18.Qxa1 Bxa1 19.Rxa1 Nd7 20.Nc7 Re5 21.Bd8 
Rb8 22.Nd5 Kf8 23.Bc7 Ra8 24.Kg1 a5 25.Ne7 Rxe7 26.dxe7+ Kxe7 27.Re1+ Kf8 
28.Bd6+ Kg7 29.Re8 Nb6 30.Bxc5 Be6 31.Bd4+ Kh6 32.Rxe6 fxe6 33.Bxb6 a4 34.
a3 Rc8 35.Be3+ Kg7 36.Bxb7 Rc7 37.Ba6 Kf7 38.Bd4 Rd7 39.Bc3 Rc7 40.Bb4 e5 
41.Bb5 Ra7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Messa, Roberto"]
[Black "Lo Kim Lin, Frank"]
[Result "1-0"]
[ECO "C85"]
[EventDate "1976.12.21"]
[PlyCount "69"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
O-O 9.Nc4 f6 10.Nh4 Nc5 11.Qf3 Ne6 12.Nf5 Nd4 13.Nxd4 Qxd4 14.Qg3 Be6 15.
Be3 Qd7 16.Nd2 Rad8 17.Kh1 Kh8 18.Rae1 c5 19.f4 exf4 20.Bxf4 c6 $2 21.Nf3 
Qe8 22.e5 f5 23.Qf2 Qh5 24.Bd2 g5 25.Ba5 Rd5 26.Bc7 Rg8 27.Bd6 Bxd6 28.
exd6 Rxd6 29.Qxc5 Rgd8 30.Qe5+ Kg8 31.Nd4 Bd5 32.Nxf5 Bxg2+ 33.Kxg2 Qg4+ 
34.Kh1 R6d7 35.Nh6# 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "8"]
[White "Mestel, Andrew Jonathan"]
[Black "Rogers, Ian"]
[Result "0-1"]
[WhiteElo "2390"]
[ECO "B11"]
[EventDate "1976.12.21"]
[PlyCount "62"]

1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bh5 5.exd5 cxd5 6.g4 Bg6 7.Ne5 Nc6 8.Bb5 
Rc8 9.d4 e6 10.h4 f6 11.Nxg6 hxg6 12.Bd3 f5 13.gxf5 gxf5 14.Bg5 Qa5 15.Kf1
Nxd4 16.Qe1 Be7 17.Qe3 Bxg5 18.Qxg5 Kf8 19.Qe3 Qb6 20.Na4 Nxc2 21.Qe2 Qc6 
22.Bxc2 d4 23.Rh3 Qxc2 24.Qxe6 Qc4+ 25.Qxc4 Rxc4 26.b3 Rc2 27.b4 b6 28.b5 
g5 29.Rd1 Rc4 30.Ra3 Rxh4 31.Nb2 Rc2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Nakano, Mikka"]
[Black "Avgoustinos, Avgousti"]
[Result "0-1"]
[ECO "A78"]
[EventDate "1976.12.21"]
[PlyCount "86"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Be2 Bg7 8.Nf3 O-O 
9.Nd2 Re8 10.O-O Na6 11.a3 Nc7 12.f4 b6 13.Nf3 Nxe4 14.Nxe4 Rxe4 15.Bd3 
Re8 16.Qb3 Rb8 17.Bd2 Bb7 18.Qc2 f5 19.Ng5 Bxd5 20.Rae1 Qd7 21.Bc3 h6 22.
Nf3 Rxe1 23.Rxe1 Re8 24.Rd1 Be4 25.Nh4 Qe6 26.Bxg7 Kxg7 27.Qd2 d5 28.h3 
Bxd3 29.Qxd3 Qe3+ 30.Qxe3 Rxe3 31.Kf2 Re4 32.Kf3 Kf6 33.g3 d4 34.Ng2 Nd5 
35.Rd3 c4 36.Rd1 Ne3 37.Nxe3 Rxe3+ 38.Kf2 Re4 39.Kf3 Ke6 40.Rc1 Kd5 41.Rc2
d3 42.Rd2 Kd4 43.Kf2 b5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Oltra Caurin, Ramon"]
[Black "Tonoli, Walter"]
[Result "1/2-1/2"]
[ECO "C65"]
[EventDate "1976.12.21"]
[PlyCount "59"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.O-O Nf6 5.c3 O-O 6.d4 Bb6 7.dxe5 Nxe4 8.Qd5 
Nc5 9.Bg5 Ne7 10.Qd1 Ne4 11.Bh4 d5 12.exd6 Nxd6 13.Bd3 Bf5 14.Re1 Re8 15.
Na3 Bxd3 16.Qxd3 Ndf5 17.Qxd8 Raxd8 18.Bxe7 Rxe7 19.Nc4 f6 20.Nxb6 axb6 
21.Rxe7 Nxe7 22.Kf1 Kf7 23.Ke2 Nd5 24.g3 c6 25.Nd4 Nc7 26.Rd1 g6 27.h3 
Re8+ 28.Kf3 Rd8 29.Re1 Ra8 30.Ra1 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Omuku, Emmanuel"]
[Black "Girault, Eric"]
[Result "1-0"]
[ECO "A16"]
[EventDate "1976.12.21"]
[PlyCount "67"]

1.c4 Nf6 2.Nf3 g6 3.Nc3 Bg7 4.g3 O-O 5.Bg2 d5 6.cxd5 Nxd5 7.O-O Nc6 8.a3 
e6 9.Qc2 b6 10.Nxd5 Qxd5 11.Ne1 Nd4 12.Qxc7 Nxe2+ 13.Kh1 Qb5 14.d3 Ba6 15.
a4 Qh5 16.Bf3 Be5 17.Bxh5 Nxg3+ 18.fxg3 Bxc7 19.Bf3 Rad8 20.Bh6 Rfe8 21.
Bc6 Re7 22.Bg5 f6 23.Rxf6 Be5 24.Rxg6+ hxg6 25.Bxe7 Rc8 26.Bd7 Bb7+ 27.Kg1
Rc7 28.Bxe6+ Kg7 29.Ba3 Bd4+ 30.Kf1 Rc6 31.Nf3 Rxe6 32.Nxd4 Bg2+ 33.Kxg2 
Re2+ 34.Nxe2 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "8"]
[White "Petursson, Margeir"]
[Black "Greenberg, Nir"]
[Result "0-1"]
[WhiteElo "2390"]
[ECO "E92"]
[EventDate "1976.12.21"]
[PlyCount "108"]

1.c4 Nf6 2.Nf3 g6 3.Nc3 Bg7 4.e4 O-O 5.d4 d6 6.Be2 e5 7.dxe5 dxe5 8.Qxd8 
Rxd8 9.Bg5 Re8 10.O-O-O c6 11.Nxe5 Na6 12.f4 Nc5 13.Bf3 Nfxe4 14.Nxe4 Nxe4
15.Bxe4 f6 16.Bxf6 Bxf6 17.Rhe1 Bxe5 18.fxe5 Be6 19.b3 Re7 20.Rd3 Rae8 21.
Rde3 Kg7 22.Kb2 Bg4 23.Bf3 Bxf3 24.gxf3 Kf7 25.Kc3 Rd8 26.Rd3 Rxd3+ 27.
Kxd3 Ke6 28.f4 Kf5 29.Rf1 Rd7+ 30.Kc3 c5 31.Rf2 Rd4 32.h4 b6 33.h5 gxh5 
34.Re2 Rd7 35.Rh2 Kg4 36.Rf2 Kf5 37.Rd2 Re7 38.Rf2 Ke4 39.Rh2 Kxf4 40.Rxh5
Kg4 41.Rh6 Kg5 42.Rh1 h5 43.Re1 Kf5 44.Rh1 Rh7 45.Re1 Ke6 46.b4 cxb4+ 47.
Kxb4 h4 48.a4 h3 49.a5 h2 50.Rh1 Kxe5 51.axb6 axb6 52.Kb5 Rh6 53.Ka6 Kd4 
54.Kb5 Rh5+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Popovic, Petar"]
[Black "Azadharf, Farrokh"]
[Result "1-0"]
[WhiteElo "2405"]
[ECO "A00"]
[EventDate "1976.12.21"]
[PlyCount "57"]

1.g3 Nf6 2.Bg2 g6 3.e4 d6 4.Ne2 Bg7 5.O-O O-O 6.c3 c5 7.d3 Nc6 8.a3 a5 9.
a4 Bd7 10.h3 Nb8 11.Na3 Bc6 12.f4 d5 13.e5 Nfd7 14.d4 c4 15.f5 Nb6 16.Nb5 
f6 17.Nf4 Na6 18.Ne6 Qd7 19.Nxf8 Rxf8 20.fxg6 hxg6 21.exf6 exf6 22.Qc2 Kh7
23.h4 Qg4 24.Bf4 Bd7 25.Bf3 Qh3 26.Qg2 Qxg2+ 27.Kxg2 Nb8 28.Bc7 Nc8 29.
Bxb8 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "8"]
[White "Schussler, Harry"]
[Black "Vladimirov, Evgeny"]
[Result "1/2-1/2"]
[WhiteElo "2335"]
[BlackElo "2470"]
[ECO "C61"]
[EventDate "1976.12.21"]
[PlyCount "82"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nd4 4.Nxd4 exd4 5.O-O Ne7 6.Re1 g6 7.d3 Bg7 8.e5 
O-O 9.Bf4 Nf5 10.Nd2 d6 11.exd6 Nxd6 12.Ba4 Be6 13.Bb3 Bxb3 14.axb3 Nb5 
15.Qf3 Qf6 16.Nc4 b6 17.Re2 Rae8 18.Rae1 Rxe2 19.Rxe2 g5 20.Bd2 Qxf3 21.
gxf3 Bf6 22.f4 gxf4 23.Bxf4 Kg7 24.Kg2 Rd8 25.Kf3 c5 26.Re1 Kf8 27.Bh6+ 
Bg7 28.Bd2 f6 29.b4 cxb4 30.Bxb4+ Kg8 31.Ke4 Kf7 32.Rg1 Bf8 33.Bd2 Re8+ 
34.Kf3 Rc8 35.Bf4 Rc5 36.Re1 Rf5 37.Kg4 Rd5 38.Kf3 Rh5 39.Kg4 Rd5 40.Kf3 
Rf5 41.Kg4 Rd5 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Sellos, Didier"]
[Black "Dunne, David Joseph"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "127"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Nc6 7.d5 Nb8 8.Be3 c6 
9.Qd2 Bg4 10.h3 Bxf3 11.Bxf3 Nbd7 12.Be2 a6 13.dxc6 bxc6 14.Rad1 Qb8 15.b3
Rd8 16.a3 Qc7 17.a4 a5 18.f4 Rab8 19.Bf3 Nf8 20.Qf2 e6 21.Rd3 d5 22.e5 
N6d7 23.g3 Re8 24.Kg2 f6 25.exf6 Bxf6 26.Bd4 Bxd4 27.Qxd4 e5 28.fxe5 Nxe5 
29.Rd2 Ne6 30.Qg1 Ng5 31.Bd1 Qd7 32.Qh2 Rf8 33.Rdf2 Rxf2+ 34.Rxf2 Rf8 35.
Rxf8+ Kxf8 36.h4 Ne4 37.Qg1 Qf5 38.Qe3 Nf6 39.Qc5+ Kg8 40.Qxa5 Ne4 41.Qa8+
Kf7 42.Qa7+ Ke8 43.Qe3 Nxc3 44.Qxc3 Qe4+ 45.Kh2 d4 46.Qd2 c5 47.Qe2 Qd5 
48.Qg2 Qf7 49.Qa8+ Ke7 50.Kg2 Qf5 51.Qd5 Ng4 52.Qxf5 Ne3+ 53.Kf3 gxf5 54.
Ke2 f4 55.gxf4 Ng2 56.Kf3 Ne3 57.Ke2 Ng2 58.Kd3 Nxf4+ 59.Kc4 Kd6 60.b4 
cxb4 61.Kxd4 Ng2 62.h5 Kc7 63.Bf3 Nf4 64.Kc4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "8"]
[White "Sisniega Campbell, Marcel"]
[Black "Foisor, Ovidiu"]
[Result "1-0"]
[WhiteElo "2345"]
[ECO "B31"]
[EventDate "1976.12.21"]
[PlyCount "81"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.c3 Nge7 7.d4 cxd4 8.cxd4 
exd4 9.Bf4 a6 10.Bc4 O-O 11.Bd6 b5 12.Bd5 Bb7 13.Nbd2 h6 14.Nb3 Re8 15.Nc5
Ra7 16.Bxf7+ Kxf7 17.Qb3+ Kf8 18.Nh4 Bf6 19.Nxg6+ Kg7 20.Nf4 Ng8 21.Qg3+ 
Kh8 22.e5 Bg5 23.Nh5 Nge7 24.f4 Rg8 25.fxg5 Nf5 26.Qh3 Qxg5 27.Nf6 Rg7 28.
Nce4 Qg6 29.Nh5 Rf7 30.Rf1 Nce7 31.Bxe7 Bxe4 32.Bf6+ Kh7 33.Nf4 Qg8 34.
Rae1 Ne3 35.Rxe3 dxe3 36.Qxe3 Qa8 37.Re1 Bf5 38.g4 Bc2 39.Rc1 Be4 40.g5 h5
41.Qh3 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Smith, Alvin Louis"]
[Black "Morris, Arthur"]
[Result "1/2-1/2"]
[ECO "C47"]
[EventDate "1976.12.21"]
[PlyCount "34"]

1.e4 e5 2.Nf3 Nf6 3.Nc3 Nc6 4.d4 exd4 5.Nxd4 d6 6.Bb5 Bd7 7.Bxc6 bxc6 8.
O-O Be7 9.Be3 O-O 10.h3 Re8 11.f4 Bf8 12.Qf3 Qe7 13.e5 dxe5 14.fxe5 Qxe5 
15.Rae1 Bd6 16.Qf4 Qxf4 17.Bxf4 Rxe1 {(...)} 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Upton, Timothy"]
[Black "Rayner, Emmanuel"]
[Result "1/2-1/2"]
[ECO "B45"]
[EventDate "1976.12.21"]
[PlyCount "35"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 Bb4 7.Nxc6 bxc6 8.e5
Nd5 9.Bd2 Qc7 10.Nxd5 Bxd2+ 11.Qxd2 cxd5 12.f4 O-O 13.O-O-O a5 14.Rhf1 Ba6
15.Rf3 Rfc8 16.Rc3 Qb6 17.Rb3 Qc7 18.Rc3 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "8"]
[White "Weidemann, Jorg"]
[Black "Groszpeter, Attila"]
[Result "1/2-1/2"]
[ECO "B19"]
[EventDate "1976.12.21"]
[PlyCount "59"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.h5 Bh7 8.Nf3 Nd7
9.Bd3 Bxd3 10.Qxd3 e6 11.Qe2 Ngf6 12.Bf4 Qa5+ 13.Bd2 Qc7 14.O-O-O O-O-O 
15.Ne5 Nb6 16.Ba5 Rd5 17.Bxb6 axb6 18.c4 Rd8 19.a3 c5 20.dxc5 Bxc5 21.b4 
Bxf2 22.Nxf7 Qxg3 23.Qxe6+ Kc7 24.Nxd8 Qc3+ 25.Kb1 Qb3+ 26.Ka1 Qxa3+ 27.
Kb1 Qxb4+ 28.Kc2 Qa4+ 29.Kb2 Qb4+ 30.Kc2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Wong, Sheldon"]
[Black "Salazar Jacob, Hernan"]
[Result "0-1"]
[ECO "A58"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.f4 g6 8.Nf3 Bg7 
9.Qc2 Qa5 10.Kf2 O-O 11.e4 Bxf1 12.Rxf1 Na6 13.Kg1 Rfb8 14.Qe2 Nb4 15.Rd1 
Qa6 16.Qxa6 Rxa6 17.e5 Ng4 18.h3 Nc2 19.Rb1 Nge3 20.Bxe3 Nxe3 21.Re1 Nc2 
22.Re2 Nd4 23.Nxd4 cxd4 24.Nd1 Rxa2 25.Rc1 dxe5 26.fxe5 Rd8 27.Rc5 Ra1 28.
Re1 d3 29.Rc7 Rxd5 30.Rxe7 Kf8 31.Rb7 Bxe5 32.Rf1 Bd4+ 33.Kh2 Rf5 34.Re1 
d2 35.Rh1 Re5 36.Rf1 f5 37.Rd7 Re1 38.Rxd4 Rxf1 39.Nc3 f4 40.g4 Rf2# 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.29"]
[Round "8"]
[White "Yap, Andronico"]
[Black "Karaosmanoglu, Sedat"]
[Result "1-0"]
[ECO "C06"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ndf3 cxd4 8.cxd4 
Nb6 9.Ne2 Bd7 10.O-O Be7 11.Be3 Nb4 12.Bb1 a5 13.a3 Nc6 14.b3 a4 15.b4 Nc4
16.Nc3 Qc7 17.Qc2 Na7 18.Nxa4 Nb5 19.Nc5 Nbxa3 20.Qb3 Bb5 21.Rc1 O-O 22.
Nxe6 fxe6 23.Rxa3 Qb6 24.Rxa8 Rxa8 25.Bg5 Qd8 26.h4 Be8 27.Bd3 b5 28.Rc3 
h6 29.Bc1 Ra4 30.Bb1 Bxb4 31.Qc2 g6 32.Rb3 Na3 33.Bxa3 Bxa3 34.h5 Kg7 35.
Nd2 Bb4 36.Nf1 Qh4 37.hxg6 Ba5 38.Rh3 Qg5 39.Qc8 Qe7 40.Ng3 Rc4 {Time} 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Avgoustinos, Avgousti"]
[Black "Wong, Sheldon"]
[Result "1/2-1/2"]
[ECO "B99"]
[EventDate "1976.12.21"]
[PlyCount "103"]

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.Nd5 Nxd5 13.exd5 Bxg5 14.Nxe6 fxe6 
15.Qh5+ Kd8 16.Qxg5+ Nf6 17.Rxe6 Re8 18.Bxh7 Bc8 19.Rxe8+ Kxe8 20.Re1+ Kf8
21.Bg6 Bb7 22.Rd1 Qc5 23.g4 Qe3+ 24.Kb1 Qe2 25.Rg1 Bxd5 26.Qh4 Be4 27.Bxe4
Qxe4 28.g5 Rc8 29.Rc1 Ng8 30.Qg4 Ne7 31.Qh3 Rc5 32.a3 Rf5 33.Rd1 d5 34.Qc3
Rxf4 35.Re1 Qc4 36.Qe5 Re4 37.Qb8+ Kf7 38.Rg1 Rf4 39.g6+ Nxg6 40.Re1 Re4 
41.Rg1 Re7 42.Qd6 Qe4 43.Rf1+ Kg8 44.Qxa6 Rc7 45.Rc1 Kh7 46.Qxb5 Nf4 47.
Qa5 Rb7 48.Qa6 d4 49.Qf1 Qe3 50.Ka1 Qd2 51.Qe1 Qe3 52.Qh4+ 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Azadharf, Farrokh"]
[Black "Ahad, Wazin"]
[Result "1-0"]
[ECO "A05"]
[EventDate "1976.12.21"]
[PlyCount "65"]

1.g3 Nf6 2.Bg2 g6 3.Nf3 Bg7 4.O-O O-O 5.d3 d6 6.c3 e5 7.a4 Nbd7 8.Na3 Qe7 
9.a5 c6 10.Nd2 Nh5 11.a6 d5 12.axb7 Bxb7 13.e4 Nc5 14.Nb3 dxe4 15.Nxc5 
Qxc5 16.Bxe4 Nf6 17.Bg2 Rfd8 18.Be3 Qe7 19.Qe2 Nd5 20.Nc4 Nxe3 21.Qxe3 c5 
22.Bxb7 Qxb7 23.Ra5 Rd5 24.Rxc5 Rxc5 25.Qxc5 Rd8 26.Qe3 Qd5 27.Ra1 Bf8 28.
Qe4 Qxe4 29.dxe4 Bc5 30.Ra5 Rd1+ 31.Kg2 Bd6 32.Rxa7 f5 33.Rd7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Binham, Timothy"]
[Black "Upton, Timothy"]
[Result "1-0"]
[ECO "C28"]
[EventDate "1976.12.21"]
[PlyCount "103"]

1.e4 e5 2.Nc3 Nc6 3.Bc4 Nf6 4.f4 Nxe4 5.Nf3 Nd6 6.Bd5 e4 7.Ng5 Be7 8.O-O 
O-O 9.Qh5 Bxg5 10.fxg5 Ne7 11.d3 Ng6 12.dxe4 c6 13.Bb3 Nb5 14.Nxb5 Qb6+ 
15.Rf2 Qxb5 16.Be3 d5 17.exd5 cxd5 18.Bd4 Bd7 19.c3 Rae8 20.Raf1 Re4 21.
Qd1 Bg4 22.Qd2 b6 23.Bc2 Re7 24.Bd3 Qc6 25.h3 Bc8 26.Re1 Rfe8 27.Rxe7 Rxe7
28.Re2 Qe8 29.Qe1 Rxe2 30.Qxe2 Qxe2 31.Bxe2 Nf4 32.Bf3 Be6 33.b3 Nd3 34.
Kf1 Nc5 35.h4 Ne4 36.Ke2 Kf8 37.Ke3 Nd6 38.Kf4 Nf5 39.Bf2 Ke8 40.Ke5 Ne7 
41.Kd6 Kd8 42.g4 Nc8+ 43.Kc6 Ke7 44.Bd4 f6 45.gxf6+ gxf6 46.Kb7 Bd7 47.a4 
Be6 48.b4 Bd7 49.a5 bxa5 50.bxa5 Kd6 51.Bxf6 a6 52.g5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Campora, Daniel Hugo"]
[Black "Popovic, Petar"]
[Result "1-0"]
[BlackElo "2405"]
[ECO "B06"]
[EventDate "1976.12.21"]
[PlyCount "157"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 c6 5.a4 Nf6 6.Be2 O-O 7.Qd2 Nbd7 8.Nf3 Ng4
9.Bg5 f6 10.Bh4 e5 11.O-O Qe7 12.dxe5 dxe5 13.Ne1 Nh6 14.Bc4+ Nf7 15.Nd3 
Nb6 16.Ba2 Be6 17.Bxe6 Qxe6 18.f3 Rfd8 19.Qe2 Nd7 20.Bf2 Bf8 21.Rfd1 Qc4 
22.Qe1 Ng5 23.Be3 Ne6 24.b3 Qa6 25.Qf2 Qa5 26.Ne2 Qc7 27.Rd2 a5 28.Nc3 b6 
29.Rad1 Ndc5 30.Nxc5 bxc5 31.Rxd8 Rxd8 32.Rxd8 Qxd8 33.Qe2 Kg7 34.Qc4 Qd6 
35.Kf2 Nd4 36.Nb1 f5 37.Qd3 Qf6 38.Kg1 Qh4 39.Bf2 Qg5 40.Nd2 Be7 41.Be3 
Qh4 42.g3 Qf6 43.c3 Ne6 44.Nc4 f4 45.Bd2 h5 46.Nxa5 fxg3 47.hxg3 h4 48.
gxh4 Qxh4 49.Nc4 Qg3+ 50.Kf1 Bh4 51.Qe2 Nf4 52.Bxf4 Qxf4 53.Nd2 Bd8 54.Ke1
Qh4+ 55.Kd1 Qh1+ 56.Qf1 Qh2 57.Qd3 Bg5 58.Qe2 Qh1+ 59.Nf1 Qh3 60.Kc2 Qd7 
61.Qg2 Qf7 62.Qe2 c4 63.b4 Qa7 64.a5 c5 65.Qxc4 cxb4 66.cxb4 Qf2+ 67.Kc3 
Qxf3+ 68.Qd3 Qf2 69.Kb3 Qf7+ 70.Ka4 Qa2+ 71.Kb5 Qf2 72.a6 Qa7 73.Qd5 Kh6 
74.Nh2 Qb8+ 75.Qb7 Qd6 76.Qd5 Qb8+ 77.Ka4 Qb6 78.Qd3 Be7 79.Qe3+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Chandler, Murray Graham"]
[Black "Mestel, Andrew Jonathan"]
[Result "1-0"]
[BlackElo "2390"]
[ECO "B22"]
[EventDate "1976.12.21"]
[PlyCount "81"]

1.e4 c5 2.c3 e6 3.d4 d5 4.exd5 exd5 5.Nf3 Bd6 6.Be3 c4 7.b3 cxb3 8.axb3 
Nf6 9.Bd3 O-O 10.h3 Nc6 11.Qc2 Bd7 12.Nbd2 Rc8 13.Qb1 Re8 14.O-O h6 15.b4 
Bb8 16.Rc1 Be6 17.Nb3 Ne4 18.b5 Ne7 19.Nc5 Nxc5 20.dxc5 Qd7 21.Nd4 Qc7 22.
Nf3 Qd7 23.Nd4 Bxh3 24.gxh3 Qxh3 25.Bh7+ Kh8 26.Bf5 Qh2+ 27.Kf1 Rxc5 28.
Bd7 Qh1+ 29.Ke2 Qh5+ 30.Nf3 Ng6 31.Bxe8 Ne5 32.Bxc5 Qxf3+ 33.Kd2 Nc4+ 34.
Ke1 b6 35.Bd4 Be5 36.Ra2 Qh1+ 37.Ke2 Qh5+ 38.f3 Qh2+ 39.Kd3 Qf4 40.Kc2 
Bxd4 41.cxd4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.12.29"]
[Round "9"]
[White "Diesen, Mark"]
[Black "Schussler, Harry"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2335"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "115"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Be2 Nf6 5.Nc3 O-O 6.O-O Nbd7 7.Bf4 Nh5 8.Bg5 
h6 9.Be3 e5 10.Qd2 Kh7 11.Rfd1 Qe7 12.dxe5 dxe5 13.Nd5 Qd8 14.Qa5 b6 15.
Qa4 c5 16.Ba6 Bxa6 17.Qxa6 Ndf6 18.Nxf6+ Qxf6 19.Rd7 Qc6 20.Qb7 Qb5 21.b3 
Rad8 22.Rxd8 Rxd8 23.Qxf7 Qe2 24.h3 Qxc2 25.Re1 Nf6 26.Qxa7 Nxe4 27.Qxb6 
Rd1 28.Rxd1 Qxd1+ 29.Kh2 Qc2 30.a4 Nxf2 31.Qxc5 Qxc5 32.Bxc5 Nd3 33.Be3 
Bf8 34.a5 Nb4 35.Nxe5 Bd6 36.Bf4 Bc7 37.Nxg6 Bxa5 38.Ne5 Nc2 39.Nc4 Bc3 
40.Kg3 Nd4 41.Bd2 Ba1 42.b4 Nb5 43.Bf4 Bc3 44.Nd6 Nd4 45.b5 Bb4 46.Nf7 Kg6
47.Ne5+ Kf5 48.Nd3 Ba5 49.Bxh6 Nxb5 50.Bg7 Bb6 51.Kf3 Kg5 52.g3 Nd6 53.Be5
Nf5 54.Nf4 Ba5 55.Ne2 Be1 56.Bc3 Bxc3 57.Nxc3 Nd4+ 58.Ke4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Dunne, David Joseph"]
[Black "Salazar Jacob, Hernan"]
[Result "1/2-1/2"]
[ECO "B85"]
[EventDate "1976.12.21"]
[PlyCount "125"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 Be7 7.Be3 a6 8.O-O 
Nc6 9.f4 Qc7 10.Qe1 O-O 11.Qg3 Nxd4 12.Bxd4 b5 13.a3 Bb7 14.Kh1 Bc6 15.
Rae1 Qb7 16.e5 dxe5 17.fxe5 Ne4 18.Nxe4 Bxe4 19.Bf3 Bxf3 20.Rxf3 Rac8 21.
Be3 Rfd8 22.Ref1 Bc5 23.Bg5 Rd7 24.Bf6 Bf8 25.Qg5 g6 26.c3 Rc4 27.Qg3 Rd2 
28.R3f2 Qd5 29.Rxd2 Qxd2 30.Qf3 Rc7 31.Qf2 Rd7 32.h3 Qxf2 33.Rxf2 Bc5 34.
Rc2 Rd1+ 35.Kh2 Bg1+ 36.Kh1 Be3+ 37.Kh2 Bf4+ 38.g3 Rd2+ 39.Rxd2 Bxd2 40.
Be7 Bc1 41.b3 Bb2 42.Bb4 f6 43.exf6 Kf7 44.Kg2 Kxf6 45.Kf3 Ke5 46.Ke3 Bc1+
47.Kd3 h5 48.c4 bxc4+ 49.Kxc4 Ke4 50.Bd6 e5 51.a4 Be3 52.b4 Ba7 53.b5 
axb5+ 54.axb5 g5 55.Bc7 h4 56.g4 Kf3 57.Kd5 Bf2 58.b6 e4 59.b7 Ba7 60.b8=Q
Bxb8 61.Bxb8 e3 62.Be5 Kg2 63.Ke4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Foisor, Ovidiu"]
[Black "Baart, Joan"]
[Result "1/2-1/2"]
[ECO "E90"]
[EventDate "1976.12.21"]
[PlyCount "60"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 d6 5.e4 Bg7 6.Nf3 O-O 7.h3 e6 8.Bd3 exd5 9.
exd5 Re8+ 10.Be3 Bh6 11.O-O Bxe3 12.fxe3 Nbd7 13.e4 Kg7 14.Rf2 Ng8 15.Qf1 
f6 16.a3 a5 17.Bc2 Ne5 18.Ba4 Bd7 19.Bxd7 Qxd7 20.b3 Re7 21.Re1 Rae8 22.
Nxe5 Rxe5 23.Rfe2 h5 24.Qf3 R8e7 25.a4 Nh6 26.Rf1 Rf7 27.Qd3 Qe7 28.Rfe1 
Rf8 29.Nb1 Re8 30.Nc3 Rf8 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Georgiev, Krum"]
[Black "Ammann, Philipp"]
[Result "1-0"]
[BlackElo "2220"]
[ECO "B45"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Be3 Nf6 6.Nc3 Bb4 7.Bd3 d5 8.Nxc6 
bxc6 9.Bd2 e5 10.exd5 cxd5 11.O-O O-O 12.Bg5 Bb7 13.a3 Bc5 14.Qe2 h6 15.
Bh4 Re8 16.Rad1 a6 17.b4 Bd4 18.Qd2 Rc8 19.Ne2 Bb6 20.c3 Qe7 21.Kh1 Qe6 
22.Qa2 g5 23.Bg3 Qc6 24.Bf5 Rcd8 25.f3 g4 26.Bh4 d4 27.Rd3 dxc3 28.Rxc3 
Qd6 29.fxg4 Qd1 30.Rc1 Rd2 31.Bh7+ Kf8 32.Qxf7+ Kxf7 33.Rcxd1 Rxd1 34.Rxd1
Bxg2+ 35.Kxg2 Nxh7 36.Rd7+ Kg8 37.Rd6 Be3 38.Rxa6 Rc8 39.Kf3 Bg5 40.Bxg5 
Nxg5+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Girault, Eric"]
[Black "Lo Kim Lin, Frank"]
[Result "1/2-1/2"]
[ECO "E94"]
[EventDate "1976.12.21"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O c6 8.Be3 Ng4 
9.Bg5 f6 10.Bh4 Nh6 11.dxe5 dxe5 12.Qxd8 Rxd8 13.Rfd1 Re8 14.Rd6 Nf7 15.
Rd3 Na6 16.Ne1 Nc5 17.Rdd1 Ne6 18.Nc2 Nf4 19.f3 Be6 20.b3 Rad8 21.Bf2 
Nxe2+ 22.Nxe2 Rd7 23.Rxd7 Bxd7 24.Rd1 Be6 25.Nc3 a6 26.Bb6 f5 27.Ne3 f4 
28.Nc2 g5 29.h3 h5 30.Na4 Bf8 31.Ne1 g4 32.hxg4 hxg4 33.Nd3 gxf3 34.gxf3 
Be7 35.Ndc5 Bc8 36.Kf2 Kh7 37.Nd7 Rg8 38.Rh1+ Kg7 39.Nac5 Bxc5+ 40.Nxc5 
Kf6 41.Nd3 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Greenberg, Nir"]
[Black "Weidemann, Jorg"]
[Result "1-0"]
[ECO "B35"]
[EventDate "1976.12.21"]
[PlyCount "65"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 Qa5 8.O-O 
O-O 9.Bb3 d6 10.h3 Bd7 11.f4 Nxd4 12.Bxd4 Bc6 13.Qe1 Qb4 14.Rd1 Nxe4 15.
Bxg7 Kxg7 16.Nd5 Qc5+ 17.Kh2 Nf6 18.Nc7 Bxg2 19.Qxe7 Bxh3 20.Kxh3 Qh5+ 21.
Kg3 Qg4+ 22.Kf2 Qh4+ 23.Kg2 Qg4+ 24.Kf2 d5 25.Bxd5 Qh4+ 26.Kg1 Qg3+ 27.Bg2
Rae8 28.Nxe8+ Rxe8 29.Qc5 Re2 30.Rf2 b6 31.Qd4 Re4 32.Qc3 Re3 33.Rd3 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Helmers, Knut"]
[Black "Kokkinos, Leonidas"]
[Result "1-0"]
[WhiteElo "2265"]
[ECO "A00"]
[EventDate "1976.12.21"]
[PlyCount "111"]

1.g3 e5 2.Bg2 d5 3.d3 Be6 4.c3 Qd7 5.Nd2 f6 6.Ngf3 Nc6 7.b4 a6 8.Bb2 g5 9.
Qc2 h5 10.h3 Nge7 11.Nb3 Ng6 12.h4 g4 13.Nfd2 f5 14.a3 O-O-O 15.c4 dxc4 
16.Nxc4 Bd5 17.Bxd5 Qxd5 18.O-O-O Kb8 19.Kb1 Nd4 20.Nxd4 exd4 21.e4 Qd7 
22.Rhe1 Bg7 23.exf5 Qxf5 24.Re4 Rhf8 25.Rd2 Rd5 26.Rde2 Qf7 27.Na5 Qd7 28.
Nb3 b6 29.Qc4 Rdf5 30.Bxd4 Bxd4 31.Nxd4 Rxf2 32.Rxf2 Rxf2 33.Qxa6 Rf1+ 34.
Kc2 Rf8 35.b5 Rf2+ 36.Kc3 Rf6 37.Kd2 Rf2+ 38.Kc3 Rf6 39.Nc6+ Rxc6+ 40.bxc6
Qxc6+ 41.Kd2 Nxh4 42.gxh4 g3 43.Qc4 Qg6 44.Qe6 Qg7 45.Qe5 Qh6+ 46.Qg5 Qd6 
47.Re3 Qxa3 48.Qg8+ Kb7 49.Qxg3 Qb2+ 50.Ke1 Qc3+ 51.Kf2 b5 52.Qf3+ Ka7 53.
Qxh5 b4 54.Qa5+ Kb7 55.Qb5+ Ka7 56.Qe5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Karaosmanoglu, Sedat"]
[Black "Smith, Alvin Louis"]
[Result "1/2-1/2"]
[ECO "A47"]
[EventDate "1976.12.21"]
[PlyCount "54"]

1.d4 Nf6 2.Nf3 e6 3.e3 b6 4.Bd3 Bb7 5.Nbd2 c5 6.c3 cxd4 7.exd4 Nc6 8.O-O 
Qc7 9.Re1 Bd6 10.Nc4 Be7 11.a4 O-O 12.Bg5 h6 13.Bh4 Nh5 14.Bg3 Nxg3 15.
hxg3 Ba6 16.Qe2 Bxc4 17.Bxc4 g6 18.Bd3 Bf6 19.Qe3 Bg7 20.Nh2 Kh8 21.f4 h5 
22.Re2 Ne7 23.Rf1 Nf5 24.Qf3 h4 25.Bxf5 exf5 26.g4 fxg4 27.Nxg4 Qc6 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Klauner, Theodore"]
[Black "Omuku, Emmanuel"]
[Result "0-1"]
[ECO "A36"]
[EventDate "1976.12.21"]
[PlyCount "112"]

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 a6 6.Nge2 Rb8 7.d4 cxd4 8.exd4 d6
9.Rb1 Nf6 10.d5 Ne5 11.b3 Bf5 12.Ra1 Nd3+ 13.Kf1 b5 14.Nd4 Qb6 15.Be3 Ng4 
16.Nxf5 Nxe3+ 17.Nxe3 Bxc3 18.Rb1 bxc4 19.Ke2 Ne5 20.f4 Nd7 21.bxc4 Qc7 
22.Qa4 O-O 23.Qc2 Bd4 24.Be4 Rfc8 25.Bd3 Rb6 26.Rb3 Nf6 27.Rc1 Qd7 28.Rxb6
Bxb6 29.Qb2 Qa7 30.Qd2 Bxe3 31.Qxe3 Qxe3+ 32.Kxe3 Nxd5+ 33.Kd4 Nb4 34.Re1 
e6 35.Bb1 Nc6+ 36.Kd3 Na5 37.Re4 Rb8 38.Bc2 Rb2 39.a4 Nb7 40.Kc3 Rb6 41.
Re2 Rc6 42.Kb4 Rb6+ 43.Kc3 a5 44.Re1 Nc5 45.g4 Rb4 46.Ra1 d5 47.cxd5 exd5 
48.Rf1 Nxa4+ 49.Bxa4 Rxa4 50.h3 Ra3+ 51.Kd4 Rxh3 52.Kxd5 h6 53.Ra1 Rg3 54.
Rxa5 Rxg4 55.Ke5 Kg7 56.Ra7 h5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Kristensen, Leif"]
[Black "Kouatly, Bachar"]
[Result "1-0"]
[BlackElo "2370"]
[ECO "B30"]
[EventDate "1976.12.21"]
[PlyCount "49"]

1.e4 c5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Nd4 5.Ba4 Qc7 6.d3 g6 7.O-O Bg7 8.Bg5 
Ng4 9.g3 Nxf3+ 10.Qxf3 Ne5 11.Qe3 h6 12.Bxe7 Nf3+ 13.Qxf3 Bxc3 14.Bb3 Rh7 
15.Bf6 Bxf6 16.Qxf6 Qc6 17.Qe5+ Kf8 18.f4 d6 19.Qf6 Bh3 20.Bxf7 Rxf7 21.
Qh8+ Ke7 22.Qxa8 Rf8 23.Qxa7 h5 24.Rf2 h4 25.Qa5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Leow, Leslie"]
[Black "Chaves, Jaime Augusto"]
[Result "1-0"]
[WhiteElo "2280"]
[ECO "B17"]
[EventDate "1976.12.21"]
[PlyCount "69"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Ng3 e6 7.Be2 c5 8.O-O 
cxd4 9.Nxd4 Bc5 10.a3 a6 11.b4 Be7 12.Bb2 O-O 13.c4 Qc7 14.Qb3 b6 15.c5 
bxc5 16.Nxe6 fxe6 17.Qxe6+ Rf7 18.Bc4 Ne5 19.Qxe5 Qxe5 20.Bxe5 cxb4 21.
axb4 Bxb4 22.Rfc1 Ne8 23.Ne4 Kf8 24.Bd5 Bb7 25.Bxf7 Kxf7 26.Nc5 Bxc5 27.
Rxc5 Be4 28.f3 Bd3 29.Kf2 Nf6 30.Bxf6 gxf6 31.Rd1 Bb5 32.Rd6 Kg6 33.g4 Re8
34.h4 h6 35.Rc7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Marrero Martin, Miguel"]
[Black "Hebert, Jean"]
[Result "0-1"]
[BlackElo "2255"]
[ECO "B74"]
[EventDate "1976.12.21"]
[PlyCount "62"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 g6 7.O-O Bg7 8.Nb3 
O-O 9.Be3 Be6 10.f4 Qc8 11.h3 a5 12.a4 Nb4 13.Bf3 Nd7 14.Nd4 Nc5 15.Nd5 
Bxd5 16.exd5 e6 17.dxe6 Nxe6 18.Rf2 Nxd4 19.Bxd4 Bxd4 20.Qxd4 Nxc2 21.Rxc2
Qxc2 22.Qxd6 Qxb2 23.Rd1 Rad8 24.Qxd8 Rxd8 25.Rxd8+ Kg7 26.Rd7 b5 27.axb5 
Qxb5 28.Rb7 Qc5+ 29.Kh2 a4 30.Bd1 Qd4 31.Bf3 a3 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Morris, Arthur"]
[Black "Nakano, Mikka"]
[Result "1-0"]
[ECO "C88"]
[EventDate "1976.12.21"]
[PlyCount "109"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 b4 
9.d4 exd4 10.e5 Ne8 11.Nxd4 Na5 12.Bd5 c6 13.Be4 h6 14.Bxh6 gxh6 15.Qg4+ 
Ng7 16.Nf5 Bg5 17.h4 d5 18.hxg5 Qxg5 19.Qxg5 hxg5 20.Ne7+ Kh8 21.Nxc8 
Raxc8 22.Bf3 Ne6 23.Nd2 Rfe8 24.Bg4 Rc7 25.Nf3 Rg8 26.Rad1 Re7 27.g3 Kh7 
28.Bf5+ Kh6 29.Kg2 g4 30.Rh1+ Kg7 31.Bxg4 Kf8 32.Bf5 Ke8 33.Rh6 Nf4+ 34.
Kf1 Ng6 35.Bxg6 fxg6 36.b3 Nb7 37.Rd4 a5 38.Rg4 Reg7 39.Rd4 Nd8 40.Ng5 Nf7
41.Nxf7 Kxf7 42.Rf4+ Ke6 43.Rf6+ Kd7 44.Rd6+ Ke7 45.Rxc6 Kf7 46.f4 Rd8 47.
Ke2 Rgg8 48.Rf6+ Ke7 49.Rfxg6 Rxg6 50.Rxg6 Rc8 51.Kd2 Rc3 52.f5 d4 53.Rg7+
Kf8 54.Rg4 d3 55.Rc4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Rayner, Emmanuel"]
[Black "Dur, Arne"]
[Result "0-1"]
[ECO "E68"]
[EventDate "1976.12.21"]
[PlyCount "76"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.d4 d6 6.O-O Nbd7 7.Nc3 e5 8.e4 exd4
9.Nxd4 Re8 10.h3 Nc5 11.Re1 a5 12.Qc2 a4 13.Be3 c6 14.Rad1 Nfd7 15.Re2 Qa5
16.Red2 Qb4 17.b3 axb3 18.axb3 Nxb3 19.Qxb3 Qxb3 20.Nxb3 Bxc3 21.Rxd6 Ne5 
22.Bf1 Be6 23.Rc1 Bb4 24.Bc5 Ra4 25.f4 Bxc4 26.Bxc4 Bxc5+ 27.Nxc5 Rxc4 28.
Rxc4 Nxc4 29.Rd4 b5 30.Nd7 Kg7 31.e5 Rd8 32.e6 fxe6 33.Nc5 Rd6 34.Rxd6 
Nxd6 35.Nxe6+ Kf6 36.Nc5 Kf5 37.Kg2 Ne4 38.Nb3 Ke6 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Rogers, Ian"]
[Black "Groszpeter, Attila"]
[Result "1-0"]
[ECO "B18"]
[EventDate "1976.12.21"]
[PlyCount "105"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Bc4 e6 7.N1e2 Nf6 8.Nf4 
Bd6 9.Bb3 Qc7 10.Qf3 Nbd7 11.h4 e5 12.Nxg6 hxg6 13.Be3 O-O-O 14.O-O-O exd4
15.Bxd4 Ne5 16.Qc3 c5 17.Bxe5 Bxe5 18.Qc4 Bd4 19.Qxf7 Bxf2 20.Rxd8+ Rxd8 
21.Qxc7+ Kxc7 22.Nf1 Rd4 23.c3 Re4 24.Bc2 Re1+ 25.Kd2 Ne4+ 26.Bxe4 Rxe4 
27.h5 Rg4 28.Ke2 Bh4 29.Ne3 Ra4 30.hxg6 Bg5 31.Rh5 Bxe3 32.Kxe3 Rg4 33.Kf3
Rxg6 34.Rxc5+ Kd6 35.Rc4 Rg5 36.Rd4+ Ke6 37.Rg4 Rf5+ 38.Ke3 g5 39.Re4+ Kf6
40.Re8 Ra5 41.a3 Kf5 42.c4 Kg4 43.Kd4 Kg3 44.Re2 b6 45.Rc2 g4 46.b4 Rxa3 
47.c5 Ra4 48.c6 Rxb4+ 49.Rc4 Rb1 50.Rc3+ Kxg2 51.c7 Rd1+ 52.Kc4 b5+ 53.Kc5
1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Sellos, Didier"]
[Black "Petursson, Margeir"]
[Result "0-1"]
[BlackElo "2390"]
[ECO "B93"]
[EventDate "1976.12.21"]
[PlyCount "86"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 Nbd7 7.f4 e5 8.Nb3 b5
9.a3 Bb7 10.Bf3 Rc8 11.Qe2 Be7 12.O-O O-O 13.Bd2 Nb6 14.Na5 Ba8 15.Rfd1 
exf4 16.Qd3 Nc4 17.Nxc4 bxc4 18.Qe2 Qb6+ 19.Kh1 Qxb2 20.Na4 Qxc2 21.Nb6 
Bxe4 22.Nxc8 Rxc8 23.Rdc1 Bxf3 24.gxf3 Qb2 25.Qxe7 Qxd2 26.Rd1 Qa5 27.Qxd6
c3 28.Rg1 Qf5 29.Qxa6 c2 30.Rac1 Nd5 31.Rg5 Qe6 32.Qd3 Ne3 33.Qd4 g6 34.
Qxf4 Rd8 35.Qe4 Qb3 36.Rgg1 Qxa3 37.Rce1 Nd1 38.Qxc2 Qxf3+ 39.Rg2 Ne3 40.
Rxe3 Qxe3 41.Qa4 Rc8 42.Rc2 Qf3+ 43.Kg1 Qd1+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Tonoli, Walter"]
[Black "Sequeira, Joao"]
[Result "1/2-1/2"]
[ECO "B49"]
[EventDate "1976.12.21"]
[PlyCount "54"]

1.e4 c5 2.Nc3 Nc6 3.Nf3 e6 4.d4 cxd4 5.Nxd4 a6 6.Be2 Qc7 7.O-O Nf6 8.Be3 
Bb4 9.Nxc6 bxc6 10.Na4 O-O 11.Nb6 Rb8 12.Nxc8 Rfxc8 13.Bxa6 Rd8 14.Bd3 Bd6
15.Kh1 Be5 16.c3 Rxb2 17.Qc1 Ng4 18.f4 Nxe3 19.Qxb2 Bxf4 20.Qf2 Nxf1 21.
Rxf1 g5 22.g3 Qd6 23.Bc2 Be5 24.Qxf7+ Kh8 25.Kg2 Qc5 26.Kh3 Qxc3 27.Rf2 
Qe3 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Twardon, Marian"]
[Black "Van Egmond, Peter"]
[Result "0-1"]
[ECO "C69"]
[EventDate "1976.12.21"]
[PlyCount "84"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 exd4 7.Nxd4 c5 8.Nb3 
Qxd1 9.Rxd1 Bg4 10.f3 Be6 11.Nc3 Bd6 12.Be3 b6 13.a4 O-O-O 14.Rd2 c4 15.
Nd4 Bc5 16.Rad1 Ne7 17.Kf2 Bxd4 18.Bxd4 Nc6 19.Ne2 Nb4 20.Nf4 Bf7 21.c3 
Nd3+ 22.Nxd3 cxd3 23.b4 Bb3 24.Ra1 Bc2 25.a5 Kb7 26.Ke3 Rc8 27.axb6 cxb6 
28.f4 Rc6 29.g4 Ra8 30.h4 a5 31.b5 Re6 32.f5 Re7 33.Kf4 Rae8 34.Re1 h6 35.
e5 fxe5+ 36.Rxe5 Rxe5 37.Bxe5 a4 38.g5 hxg5+ 39.hxg5 a3 40.f6 gxf6 41.gxf6
a2 42.f7 Rf8 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Vera Gonzalez, Reynaldo"]
[Black "Sisniega Campbell, Marcel"]
[Result "0-1"]
[ECO "C00"]
[EventDate "1976.12.21"]
[PlyCount "82"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 b6 5.g3 dxe4 6.dxe4 Bb7 7.e5 Nfd7 8.Bg2 
Nxe5 9.O-O Nxf3+ 10.Bxf3 Bxf3 11.Qxf3 Qd5 12.Ne4 Be7 13.Rd1 Qc6 14.Qg4 g6 
15.Bg5 f5 16.Qh4 Qxe4 17.Bxe7 Qxh4 18.Bxh4 Nd7 19.Re1 e5 20.Bg5 Kf7 21.
Rad1 Ke6 22.Bf4 Rad8 23.Rd2 Rhe8 24.Kf1 Kf6 25.h4 exf4 26.Rxe8 Rxe8 27.
Rxd7 fxg3 28.Rxc7 Re1+ 29.Kg2 gxf2 30.Kxf2 Re7 31.Rc3 Kg7 32.h5 Kh6 33.
hxg6 hxg6 34.a4 g5 35.a5 bxa5 36.Rh3+ Kg6 37.c4 Rb7 38.Rc3 Rxb2+ 39.Kf1 
Rb6 40.c5 Rc6 41.Ke2 f4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Vladimirov, Evgeny"]
[Black "Ftacnik, Lubomir"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1976.12.21"]
[PlyCount "81"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.c4 d6 6.d4 Nbd7 7.Nc3 e5 8.e4 exd4
9.Nxd4 Re8 10.Be3 c6 11.h3 Nf8 12.Qc2 Qe7 13.Rad1 Ne6 14.Nb3 Nd7 15.f4 Nb6
16.Na5 f5 17.Rfe1 Nc5 18.Bd4 fxe4 19.Bxg7 Qxg7 20.Rxd6 Bf5 21.g4 Nd3 22.
Rd1 Nc8 23.R1xd3 exd3 24.Qf2 Be6 25.Rxd3 Nb6 26.c5 Nc4 27.Nxc4 Bxc4 28.Rd4
Re1+ 29.Kh2 Ba6 30.g5 Rf8 31.a4 Qe5 32.b4 Qe3 33.Qxe3 Rxe3 34.Ne4 Rd3 35.
Rd6 Bc4 36.Nf6+ Kg7 37.Rxd3 Bxd3 38.Kg3 Rd8 39.h4 Rd4 40.b5 cxb5 41.Bxb7 
0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Yap, Andronico"]
[Black "Messa, Roberto"]
[Result "0-1"]
[ECO "A42"]
[EventDate "1976.12.21"]
[PlyCount "74"]

1.e4 g6 2.d4 Bg7 3.c4 d6 4.Nc3 Nc6 5.d5 Nd4 6.Nge2 c5 7.Be3 Qb6 8.Na4 Qa5+
9.Bd2 Qa6 10.b4 b6 11.b5 Qb7 12.Bc3 e5 13.dxe6 Qxe4 14.exf7+ Kxf7 15.Rc1 
Bf5 16.f3 Qe7 17.Bxd4 cxd4 18.g4 Qh4+ 19.Ng3 Re8+ 20.Kf2 Bc8 21.Nb2 Bb7 
22.Nd3 Bh6 23.Rb1 Be3+ 24.Kg2 Qxg4 25.h3 Qg5 26.h4 Qf6 27.Be2 Nh6 28.Ne4 
Bxe4 29.fxe4 Rxe4 30.Bf3 Rxh4 31.Rxh4 Qxh4 32.Bd5+ Kg7 33.Qa4 Qg4+ 34.Kh2 
Nf5 35.Qxa7+ Kh6 36.Bg2 Qh4+ 37.Bh3 Qg3+ {Time} 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1976.12.31"]
[Round "9"]
[White "Zapata Ramirez, Alonso"]
[Black "Oltra Caurin, Ramon"]
[Result "0-1"]
[ECO "B79"]
[EventDate "1976.12.21"]
[PlyCount "88"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Bc4 Nc6 8.f3 
Bd7 9.Qd2 O-O 10.O-O-O Qa5 11.h4 Rfc8 12.Bb3 Ne5 13.h5 Nxh5 14.Kb1 Rxc3 
15.Qxc3 Qxc3 16.bxc3 Rc8 17.Bg5 Bf6 18.Bxf6 Nxf6 19.Kb2 Kg7 20.Ne2 h5 21.
Nf4 Bc6 22.Nd3 Nfd7 23.Rd2 Rh8 24.Re1 h4 25.Rf2 Bb5 26.Nf4 Nb6 27.Nd5 Nxd5
28.exd5 Kf6 29.Re4 Ba6 30.c4 Kf5 31.Rd4 h3 32.gxh3 Rxh3 33.Re4 g5 34.Kc1 
f6 35.Kd2 g4 36.Ke3 gxf3 37.Rf4+ Kg5 38.Ke4 b6 39.Rf1 Bc8 40.Rg1+ Ng4 41.
Rfxg4+ Bxg4 42.Ke3 Rh2 43.c3 Re2+ 44.Kd3 Kf4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Ahad, Wazin"]
[Black "Dunne, David Joseph"]
[Result "1/2-1/2"]
[ECO "B09"]
[EventDate "1976.12.21"]
[PlyCount "56"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 6.dxc5 Qa5 7.Bd3 Qxc5 8.Qe2 
Bg4 9.Be3 Qa5 10.O-O Nc6 11.h3 Bxf3 12.Qxf3 O-O 13.g4 Rac8 14.Rad1 Nd7 15.
h4 Nc5 16.h5 Nxd3 17.cxd3 Bxc3 18.bxc3 Qxc3 19.Rf2 e6 20.Rh2 Rc7 21.f5 Ne5
22.Qf4 exf5 23.gxf5 f6 24.hxg6 hxg6 25.fxg6 Rg7 26.Rg2 Rxg6 27.Rxg6+ Nxg6 
28.Qg3 Kf7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Ammann, Philipp"]
[Black "Hebert, Jean"]
[Result "1-0"]
[WhiteElo "2220"]
[BlackElo "2255"]
[ECO "A07"]
[EventDate "1976.12.21"]
[PlyCount "103"]

1.g3 Nf6 2.Bg2 d5 3.Nf3 c6 4.O-O Bg4 5.d3 Nbd7 6.Nbd2 e6 7.e4 Be7 8.Re1 
dxe4 9.dxe4 Nc5 10.e5 Nd5 11.Nc4 O-O 12.h3 Bh5 13.Qe2 Qc7 14.Ne3 Rab8 15.
Ng4 Bg6 16.a3 Qb6 17.b4 Nc3 18.Qc4 N5a4 19.Be3 c5 20.Nh4 Bxh4 21.gxh4 Rfc8
22.bxc5 Qb2 23.Qb4 h5 24.Nh2 Qxc2 25.Rac1 Na2 26.Rxc2 Nxb4 27.Rc4 Nd3 28.
Ra1 Naxc5 29.a4 b6 30.Nf3 Be4 31.Rc3 g6 32.a5 b5 33.Nd2 Bxg2 34.Kxg2 b4 
35.Rc4 a6 36.Rb1 Nb7 37.Rd4 Rd8 38.Nc4 Rxd4 39.Bxd4 Rc8 40.Nb6 Rd8 41.Be3 
Nxa5 42.Bg5 Rb8 43.Nd7 Rc8 44.Rd1 Nc5 45.Nxc5 Rxc5 46.Rd8+ Kh7 47.f4 f6 
48.Bxf6 g5 49.f5 exf5 50.Rd7+ Kg8 51.Rg7+ Kf8 52.e6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Baart, Joan"]
[Black "Van Egmond, Peter"]
[Result "1/2-1/2"]
[ECO "A01"]
[EventDate "1976.12.21"]
[PlyCount "20"]

1.b3 b6 2.g3 g6 3.Bg2 Bg7 4.Bxa8 Bxa1 5.d4 d5 6.Nf3 Nf6 7.Bh6 Bh3 8.Bg7 
Bg2 9.Bxh8 Bxh1 10.Bxf6 Bxf3 {Possibly this was a joke game.} 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Chaves, Jaime Augusto"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "0-1"]
[ECO "B87"]
[EventDate "1976.12.21"]
[PlyCount "54"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.O-O Be7
9.f4 O-O 10.e5 dxe5 11.fxe5 Nfd7 12.Qh5 Nc6 13.Nxc6 Qb6+ 14.Kh1 Qxc6 15.
Rf3 Bb7 16.Bf4 Rad8 17.Rg1 g6 18.Rg3 Rfe8 19.Qh6 Bf8 20.Qh4 Nc5 21.Bg5 Rd7
22.a3 Ne4 23.Nxe4 Qxe4 24.Qxe4 Bxe4 25.Rc3 h6 26.Bf4 g5 27.Re1 gxf4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Dur, Arne"]
[Black "Sellos, Didier"]
[Result "1/2-1/2"]
[ECO "C14"]
[EventDate "1976.12.21"]
[PlyCount "85"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 a6 8.Nf3 c5
9.dxc5 Qxc5 10.Qd4 Qxd4 11.Nxd4 Nc6 12.Nf3 Nb6 13.a4 Bd7 14.a5 Nc8 15.Bd3 
Nb4 16.Kd2 Na7 17.Nd4 Rc8 18.Na2 Nbc6 19.Nxc6 Rxc6 20.Nc1 Ke7 21.Nb3 Rhc8 
22.Nd4 R6c7 23.c3 h6 24.g4 Nc6 25.Nxc6+ Rxc6 26.Rhf1 f6 27.exf6+ gxf6 28.
h4 Rg8 29.Rg1 Rc7 30.Raf1 Be8 31.g5 fxg5 32.fxg5 hxg5 33.Rxg5 Rxg5 34.hxg5
Kd6 35.Rf8 Bc6 36.Ke3 Rg7 37.Kf4 e5+ 38.Kg4 e4 39.Rf6+ Ke5 40.Rf5+ Kd6 41.
Rf6+ Ke5 42.Rf5+ Kd6 43.Rf6+ 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Ftacnik, Lubomir"]
[Black "Diesen, Mark"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2325"]
[ECO "E03"]
[EventDate "1976.12.21"]
[PlyCount "38"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 c5 7.Nf3 a6 8.Qc2 
b6 9.O-O Bb7 10.Nc3 Rc8 11.Rd1 cxd4 12.Nxd4 Bxg2 13.Kxg2 Qc7 14.e4 Be7 15.
f3 O-O 16.Be3 Qb7 17.Rac1 Rc4 18.Qe2 Rfc8 19.Nb1 Ne5 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Georgiev, Krum"]
[Black "Kristensen, Leif"]
[Result "1-0"]
[WhiteElo "2390"]
[ECO "B78"]
[EventDate "1976.12.21"]
[PlyCount "67"]

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 Rc8 11.Bb3 Ne5 12.O-O-O Nc4 13.Bxc4 Rxc4 14.h5 Nxh5 
15.g4 Nf6 16.Nde2 b5 17.Bh6 Bh8 18.g5 Nh5 19.Nd5 b4 20.Rdg1 e6 21.Ne3 Rc6 
22.Rxh5 gxh5 23.Nf4 b3 24.Nxh5 Bc3 25.Qh2 Kh8 26.bxc3 Rg8 27.axb3 Qa5 28.
c4 Qc3 29.Nd1 Qa1+ 30.Kd2 Qd4+ 31.Ke2 f5 32.Nf6 fxe4 33.Bf8 exf3+ 34.Kxf3 
1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Girault, Eric"]
[Black "Klauner, Theodore"]
[Result "1/2-1/2"]
[ECO "E54"]
[EventDate "1976.12.21"]
[PlyCount "36"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O dxc4 8.Bxc4 
Nc6 9.Bd3 Qe7 10.Ne4 Nxe4 11.Bxe4 Rd8 12.a3 Ba5 13.Qc2 f5 14.Bxc6 bxc6 15.
Rd1 Ba6 16.Bd2 Bb6 17.dxc5 Qxc5 18.Qxc5 Bxc5 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Groszpeter, Attila"]
[Black "Campora, Daniel Hugo"]
[Result "0-1"]
[ECO "C66"]
[EventDate "1976.12.21"]
[PlyCount "98"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.Re1 Be7 6.c3 O-O 7.h3 Bd7 8.d4 Re8 
9.d5 Nb8 10.Bxd7 Nbxd7 11.c4 c6 12.dxc6 bxc6 13.Nc3 Nc5 14.Qc2 Ne6 15.Be3 
Qc7 16.Red1 a5 17.Rac1 Nd7 18.Na4 g6 19.b3 Reb8 20.Ne1 c5 21.Nc3 Nb6 22.
Nb5 Qc6 23.a4 Nd4 24.Bxd4 cxd4 25.Qe2 Nd7 26.Rb1 Nc5 27.f3 Bd8 28.Nd3 Bb6 
29.Kh2 Nxd3 30.Rxd3 Bc5 31.Rf1 Rf8 32.Rdd1 f5 33.exf5 Rxf5 34.Rde1 Raf8 
35.Qe4 Qxe4 36.Rxe4 R8f7 37.Rd1 g5 38.Rd3 Kg7 39.Re2 h5 40.Kg3 Rf4 41.Rd1 
Kg6 42.Rd3 g4 43.hxg4 hxg4 44.Re1 Kg5 45.Rh1 gxf3 46.gxf3 e4 47.Nxd4 exd3 
48.Ne6+ Kf5 49.Nxf4 Rg7+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Kouatly, Bachar"]
[Black "Azadharf, Farrokh"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[ECO "A57"]
[EventDate "1976.12.21"]
[PlyCount "67"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 axb5 6.e4 b4 7.Nb5 d6 8.Nf3 g6 9.
e5 dxe5 10.Nxe5 Bg7 11.Bc4 O-O 12.a4 bxa3 13.Rxa3 Rxa3 14.bxa3 Ne4 15.Nd3 
Qa5+ 16.Bd2 Nxd2 17.Qxd2 Qa4 18.Qa2 Nd7 19.O-O Nb6 20.Rc1 Nxc4 21.Qxc4 
Qxc4 22.Rxc4 Bd7 23.Nc7 Rb8 24.g4 Rc8 25.Rxc5 Bd4 26.Rc1 Bxg4 27.Rc4 Bf5 
28.Rxd4 Rxc7 29.Nb4 Rc3 30.a4 Bh3 31.Nd3 Ra3 32.f4 Ra2 33.Nf2 Bd7 34.Re4 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Leow, Leslie"]
[Black "Greenberg, Nir"]
[Result "0-1"]
[WhiteElo "2280"]
[ECO "A02"]
[EventDate "1976.12.21"]
[PlyCount "76"]

1.f4 Nf6 2.Nf3 g6 3.e3 Bg7 4.d4 O-O 5.c4 d6 6.Nc3 Nbd7 7.Be2 e5 8.fxe5 
dxe5 9.O-O Qe7 10.b3 c5 11.Kh1 exd4 12.exd4 cxd4 13.Nxd4 Ne4 14.Nxe4 Qxe4 
15.Bb2 Nc5 16.Bf3 Qh4 17.g3 Qg5 18.Bd5 Bg4 19.Qc2 Rad8 20.Nf3 Qh6 21.Nh4 
Be6 22.Rad1 Bxb2 23.Qxb2 b6 24.Bxe6 Nxe6 25.Qf6 Qg7 26.Qe7 Rxd1 27.Rxd1 
Qb2 28.Qxa7 Qe2 29.Rg1 Rd8 30.Qxb6 Rd2 31.Rg2 Qe4 32.h3 Ng5 33.Kg1 Rxg2+ 
34.Nxg2 Nf3+ 35.Kf2 Nd4 36.g4 Qf3+ 37.Kg1 Ne2+ 38.Kh2 Qg3+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Lo Kim Lin, Frank"]
[Black "Karaosmanoglu, Sedat"]
[Result "1/2-1/2"]
[ECO "C12"]
[EventDate "1976.12.21"]
[PlyCount "25"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4 5.e5 h6 6.Bd2 Bxc3 7.bxc3 Ne4 8.Qg4 
Kf8 9.Bd3 Nxd2 10.Kxd2 c5 11.h4 Nc6 12.Rh3 h5 13.Qf4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Messa, Roberto"]
[Black "Foisor, Ovidiu"]
[Result "0-1"]
[ECO "C19"]
[EventDate "1976.12.21"]
[PlyCount "84"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 Ne7 5.a3 Bxc3+ 6.bxc3 c5 7.a4 Nbc6 8.Nf3 
Qa5 9.Bd2 Bd7 10.Be2 c4 11.Ng5 h6 12.Nh3 O-O-O 13.Nf4 Kb8 14.Nh5 Rhg8 15.
O-O Nc8 16.Qc1 Nb6 17.Rd1 Ne7 18.Qa3 Nec8 19.Rdb1 Qxa4 20.Qb2 Qc6 21.Ra5 
Qc7 22.Rba1 a6 23.Bc1 Na7 24.Qb1 Nb5 25.Bb2 Rdf8 26.Qc1 Qd8 27.Qe3 Nc8 28.
f4 Ne7 29.Bg4 Qb6 30.R5a2 Nf5 31.Qh3 Ka7 32.Rb1 Qc7 33.Bc1 Qc6 34.Ra5 Qc7 
35.Ra2 f6 36.Bxf5 exf5 37.exf6 g6 38.Ng3 Nxc3 39.Raa1 Nxb1 40.Rxb1 Qd6 41.
Qxh6 Qxf6 42.Ba3 Rh8 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Mestel, Andrew Jonathan"]
[Black "Binham, Timothy"]
[Result "1-0"]
[WhiteElo "2390"]
[BlackElo "2340"]
[ECO "B34"]
[EventDate "1976.12.21"]
[PlyCount "121"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Nde2 Nf6 7.g3 O-O 8.Bg2 
Rb8 9.a4 b6 10.O-O Bb7 11.h3 Nb4 12.Nd5 Nfxd5 13.exd5 e6 14.Bf4 e5 15.Be3 
f5 16.c3 Na6 17.b4 f4 18.gxf4 exf4 19.Bxf4 Rxf4 20.Nxf4 Bxc3 21.Rc1 Bxb4 
22.Qd4 Bd6 23.Nd3 Nc5 24.Nxc5 bxc5 25.Qd3 Qf6 26.Rb1 Kg7 27.Qe3 Ba6 28.
Rxb8 Bxb8 29.Re1 Bd6 30.Bf1 Bxf1 31.Kxf1 Qf5 32.Qc3+ Kf7 33.Re3 Qxd5 34.
Rf3+ Kg8 35.Qf6 c4 36.Qd8+ Kg7 37.Qxd7+ Kh6 38.Qf7 Qd1+ 39.Kg2 Qxa4 40.Qd5
Qb4 41.h4 Qc5 42.Qxc5 Bxc5 43.Rc3 Kg7 $2 44.Rxc4 Bb6 45.h5 gxh5 $4 46.Rc6 
Bd4 47.f3 a5 48.Kg3 Bb2 49.Ra6 Bc3 50.Kh4 Bd2 51.Kxh5 h6 52.Kg4 Kh7 53.f4 
Kg7 54.Kf5 h5 55.Rd6 Bb4 56.Rg6+ Kh7 57.Ra6 Bd2 58.Kg5 h4 59.Ra7+ Kg8 60.
Kg6 Kf8 61.f5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Nakano, Mikka"]
[Black "Kokkinos, Leonidas"]
[Result "0-1"]
[ECO "A51"]
[EventDate "1976.12.21"]
[PlyCount "90"]

1.d4 Nf6 2.c4 e5 3.Bg5 exd4 4.Qxd4 Be7 5.Nc3 Nc6 6.Qd1 O-O 7.Nf3 Re8 8.e3 
d6 9.Be2 h6 10.Bh4 Bf5 11.h3 Ne4 12.Bxe7 Qxe7 13.Nd5 Qd7 14.Nh4 Be6 15.O-O
Ne5 16.Nf4 Bxc4 17.Bxc4 Nxc4 18.Nd3 Qb5 19.Qc2 Ncd2 20.Rfd1 Qh5 21.f3 Qxh4
22.fxe4 Nxe4 23.Qxc7 Re7 24.Qc4 Qg3 25.Re1 Ng5 26.Qg4 Qxg4 27.hxg4 Rae8 
28.Kf2 Ne4+ 29.Kf3 Nd2+ 30.Kf2 Nc4 31.Rac1 Nxe3 32.Kf3 Nd5 33.a3 f6 34.
Red1 Re3+ 35.Kf2 Re2+ 36.Kg1 Ne3 37.Re1 Nxg4 38.Kf1 Rxe1+ 39.Nxe1 Re7 40.
Nf3 Rd7 41.Nd4 Kf7 42.Ke2 g6 43.g3 f5 44.Kf3 a6 45.Re1 Re7 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Oltra Caurin, Ramon"]
[Black "Helmers, Knut"]
[Result "1/2-1/2"]
[BlackElo "2265"]
[ECO "B97"]
[EventDate "1976.12.21"]
[PlyCount "108"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Qd2 
Qxb2 9.Rb1 Qa3 10.Bxf6 gxf6 11.Be2 Bg7 12.f5 Bh6 13.Qd3 Nc6 14.fxe6 fxe6 
15.Bh5+ Kd8 16.Nb3 Qb4 17.O-O Ne5 18.Qg3 Qb6+ 19.Kh1 Rf8 20.Rbd1 Qe3 21.
Rf3 Qg5 22.Qxg5 Bxg5 23.Rg3 Ke7 24.Nd4 Bd7 25.Rb1 b5 26.a4 bxa4 27.h4 Bh6 
28.Rb7 Rfb8 29.Nd5+ exd5 30.Nf5+ Kf8 31.Rxd7 Nxd7 32.Nxh6 dxe4 33.Bf7 Ke7 
34.Bd5 Rb1+ 35.Kh2 Rab8 36.Bxe4 Kd8 37.Nf7+ Kc7 38.Bxh7 Rf8 39.Bg6 Ne5 40.
Nxe5 dxe5 41.h5 Rb4 42.Kh3 Rh8 43.Rd3 Rd4 44.Rf3 Rf4 45.Ra3 Kd6 46.g3 Rd4 
47.c3 Rc4 48.Bf7 Rc7 49.Bg6 Ke7 50.Rxa4 Kf8 51.Rxa6 Kg7 52.Kg4 Rd8 53.Be4 
Rd2 54.h6+ Kxh6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Omuku, Emmanuel"]
[Black "Twardon, Marian"]
[Result "0-1"]
[ECO "A10"]
[EventDate "1976.12.21"]
[PlyCount "68"]

1.Nf3 f5 2.c4 Nf6 3.Nc3 g6 4.g3 Bg7 5.Bg2 O-O 6.Qc2 d6 7.O-O e5 8.e4 Nc6 
9.a3 f4 10.gxf4 exf4 11.d4 Nh5 12.Qd3 Bg4 13.Ne2 Qd7 14.Kh1 Rae8 15.Neg1 
Qe7 16.h3 Bc8 17.Re1 g5 18.b4 Qf6 19.b5 Ne7 20.e5 Qh6 21.Nh2 dxe5 22.dxe5 
f3 23.Ngxf3 Nf4 24.Bxf4 Rxf4 25.Re3 Ref8 26.Ra2 Bf5 27.Qc3 g4 28.hxg4 Bxg4
29.Kg1 Qg6 30.Nh4 Qb1+ 31.Qe1 Qxa2 32.Nxg4 Rxg4 33.Nf3 Qxc4 34.Qa5 Nd5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Petursson, Margeir"]
[Black "Chandler, Murray Graham"]
[Result "1-0"]
[WhiteElo "2390"]
[BlackElo "2385"]
[ECO "E12"]
[EventDate "1976.12.21"]
[PlyCount "92"]

1.c4 Nf6 2.Nf3 b6 3.d4 e6 4.a3 Bb7 5.Bg5 Be7 6.Nc3 Ne4 7.Nxe4 Bxe4 8.Bxe7 
Qxe7 9.e3 O-O 10.Be2 d6 11.O-O Nd7 12.Rc1 c5 13.Qd2 Rac8 14.Rfd1 Rfd8 15.
b4 h6 16.Qc3 Qf6 17.Nd2 Bc6 18.Bf3 cxd4 19.exd4 Bxf3 20.Nxf3 Rc7 21.Qd3 
Rdc8 22.d5 Ne5 23.Nxe5 Qxe5 24.dxe6 Qxe6 25.g3 Rxc4 26.Rxc4 Rxc4 27.Qxd6 
Qxd6 28.Rxd6 Rc3 29.Rd8+ Kh7 30.Rd7 Rxa3 31.Rxf7 Kg6 32.Rc7 Ra4 33.b5 Kf6 
34.h4 g6 35.Kg2 Ra3 36.g4 g5 $2 37.h5 Ra5 38.Kg3 Ke5 39.Rh7 Rxb5 40.Rxh6 
Rb1 41.Rg6 Rg1+ 42.Kf3 Rh1 43.Rxg5+ Kd4 44.Kg2 Rh4 45.f3 Kc4 46.Re5 a5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Rogers, Ian"]
[Black "Vladimirov, Evgeny"]
[Result "1-0"]
[BlackElo "2470"]
[ECO "C11"]
[EventDate "1976.12.21"]
[PlyCount "129"]

1.e4 e6 2.Nf3 d5 3.Nc3 Nf6 4.e5 Nfd7 5.d4 c5 6.dxc5 Nc6 7.Bf4 Bxc5 8.Bd3 
f6 9.exf6 Nxf6 10.O-O O-O 11.Ne5 Bd7 12.Qe2 Qe7 13.Rae1 Rae8 14.Kh1 Bc8 
15.Bg3 g6 16.Qd2 Qg7 17.Bf4 Nxe5 18.Bxe5 Qf7 19.Na4 Be7 20.c4 Bd7 21.Nc3 
Bc6 22.a3 Nh5 23.Qe3 Bh4 24.Kg1 Nf4 25.Qxf4 Qxf4 26.Bxf4 Rxf4 27.cxd5 Rd4 
28.dxc6 Rxd3 29.g3 Bf6 30.Ne4 Be7 31.Rc1 bxc6 32.Rxc6 Rb8 33.Rxe6 Kf8 34.
Re1 Rd7 35.b4 Kf7 36.Re5 Bf8 37.Kg2 h6 38.Re3 Re7 39.Ra5 Rb6 40.Nc5 Rc7 
41.Nd3 Rd6 42.Rb5 Be7 43.h4 Bf6 44.Nc5 Rdc6 45.Ne4 Be7 46.h5 gxh5 47.Rxh5 
Re6 48.Ra5 Rec6 49.f4 Rd7 50.Kf3 Rdc7 51.Nf2 Kg7 52.Rae5 Bf6 53.Re6 Rxe6 
54.Rxe6 Bd4 55.Ne4 h5 56.Rd6 Bb2 57.Nc5 Kf7 58.Rh6 Kg8 59.Ra6 Rh7 60.Nd3 
Bd4 61.Rd6 Bb6 62.a4 h4 63.gxh4 Rxh4 64.a5 Bc7 65.Rd7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Salazar Jacob, Hernan"]
[Black "Marrero Martin, Miguel"]
[Result "1-0"]
[ECO "C10"]
[EventDate "1976.12.21"]
[PlyCount "113"]

1.e4 e6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bd3 Be7 8.
O-O O-O 9.Re1 c5 10.c3 cxd4 11.Nxd4 Bd7 12.Qf3 Bc6 13.Nxc6 bxc6 14.Bg5 Rb8
15.b3 Qb6 16.Re3 Rfd8 17.Qh3 g6 18.Qh4 Nd5 19.Rh3 Bxg5 20.Qxg5 Qc7 21.Bc4 
Qf4 22.Qxf4 Nxf4 23.Rf3 Nd5 24.Rd1 Kf8 25.g3 Ke7 26.Re1 Nb6 27.Bd3 Rd6 28.
Be4 Rbd8 29.Rfe3 c5 30.f4 Rd2 31.R3e2 Rxe2 32.Rxe2 Rd1+ 33.Kf2 Nd5 34.Bxd5
Rxd5 35.Ke3 h5 $6 36.Rd2 Kd6 37.b4 Kc6 38.a4 a6 39.Rd3 Kb6 40.Ke4 f5+ 41.
Ke3 Kc6 42.Kd2 Kb6 43.Kc2 Kc6 44.c4 Rxd3 45.b5+ Kb6 46.Kxd3 a5 47.Ke3 Kc7 
48.Kf3 h4 49.Kg2 Kd6 50.Kh3 hxg3 51.hxg3 e5 52.fxe5+ Kxe5 53.b6 Kd6 54.Kh4
Kc6 55.Kg5 Kxb6 56.Kxg6 Kc6 57.Kxf5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Sequeira, Joao"]
[Black "Rayner, Emmanuel"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "19"]

1.e4 g6 2.d4 d6 3.Nc3 Bg7 4.Nf3 Nf6 5.Bc4 O-O 6.O-O Nxe4 7.Bxf7+ Rxf7 8.
Nxe4 h6 9.h3 g5 10.h4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Sisniega Campbell, Marcel"]
[Black "Schussler, Harry"]
[Result "1-0"]
[WhiteElo "2345"]
[BlackElo "2335"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "109"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be2 Nf6 5.Nf3 O-O 6.O-O Nbd7 7.e5 Ne8 8.Bg5 f6
9.exf6 exf6 10.Be3 c6 11.Qd2 Rf7 12.Rfe1 d5 13.h3 Nd6 14.Bd3 Nb6 15.b3 Bf5
16.Bf4 Bxd3 17.Qxd3 Qd7 18.a4 Re8 19.Bxd6 Rxe1+ 20.Rxe1 Qxd6 21.Qe3 Nc8 
22.Qe8+ Rf8 23.Qe6+ Qxe6 24.Rxe6 Kf7 25.Re1 Re8 26.Rb1 Ke6 27.b4 Kd7 28.b5
Nd6 29.bxc6+ Kxc6 30.Kf1 Bf8 31.Nd2 b6 32.Nb5 a6 33.Nxd6 Bxd6 34.Rb3 Kb7 
35.g3 Rc8 36.c3 Kc6 37.Ke2 Re8+ 38.Kd3 Bc7 39.Rb1 Rb8 40.Re1 Kd7 41.c4 
dxc4+ 42.Kxc4 f5 43.Kd5 b5 44.Nb3 Bd6 45.Re6 Be7 46.a5 b4 47.Rxa6 Rb5+ 48.
Kc4 Rb8 49.Ra7+ Ke6 50.d5+ Kf6 51.Ra6+ Kf7 52.Rb6 Rc8+ 53.Rc6 Rd8 54.a6 
Ke8 55.Rc7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Smith, Alvin Louis"]
[Black "Avgoustinos, Avgousti"]
[Result "1/2-1/2"]
[ECO "B92"]
[EventDate "1976.12.21"]
[PlyCount "88"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.Be3 Qc7 10.f3 b5 11.a3 Bb7 12.Qd2 Nbd7 13.a4 b4 14.Na2 d5 15.exd5 
Nxd5 16.Bd3 Nxe3 17.Qxe3 Nc5 18.Nac1 Nxd3 19.cxd3 f5 20.Re1 Bd6 21.h3 Rae8
22.Qd2 e4 23.dxe4 fxe4 24.fxe4 Bg3 25.Nd3 Bxe1 26.Rxe1 Rxe4 27.Nbc5 Rxe1+ 
28.Qxe1 a5 29.Ne6 Qb6+ 30.Nec5 Ba6 31.Kh1 Bxd3 32.Nxd3 Qd4 33.Qe6+ Kh8 34.
Qe7 Qf6 35.Qe4 Rd8 36.Nf4 Qxb2 $4 37.Ng6+ hxg6 38.Qh4+ Kg8 39.Qxd8+ Kf7 
40.Qxa5 Qa1+ 41.Kh2 Qd4 42.Qc7+ Kf6 43.a5 b3 44.a6 b2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Tonoli, Walter"]
[Black "Yap, Andronico"]
[Result "1-0"]
[ECO "A36"]
[EventDate "1976.12.21"]
[PlyCount "55"]

1.c4 Nf6 2.Nc3 c5 3.e4 Nc6 4.g3 g6 5.Bg2 Bg7 6.Nge2 O-O 7.O-O d6 8.h3 Ne8 
9.f4 f5 10.d3 e5 11.Be3 Nd4 12.Nd5 Rb8 13.Nec3 Nc7 14.Rb1 Nxd5 15.Nxd5 b5 
16.cxb5 Rxb5 17.a4 Rb8 18.b4 cxb4 19.Rxb4 Rxb4 20.Nxb4 fxe4 21.dxe4 Qa5 
22.Bxd4 exd4 23.Nc6 Qb6 24.Ne7+ Kh8 25.f5 Ba6 26.Nd5 d3+ $4 27.Nxb6 axb6 
28.fxg6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Upton, Timothy"]
[Black "Zapata Ramirez, Alonso"]
[Result "0-1"]
[BlackElo "1900"]
[ECO "B47"]
[EventDate "1976.12.21"]
[PlyCount "100"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nc3 e6 6.Be2 a6 7.O-O b5 8.Nxc6 
Qxc6 9.Bf3 Bb7 10.Bf4 Rc8 11.e5 Qc7 12.Ne4 Bxe4 13.Bxe4 Ne7 14.a4 Ng6 15.
Bxg6 hxg6 16.axb5 axb5 17.Qd3 g5 18.Bg3 Qxc2 19.Qxb5 f5 20.exf6 gxf6 21.
Rfe1 Qc4 22.Qxc4 Rxc4 23.Ra8+ Kf7 24.Rb1 Rg8 25.Ra7 Rd4 26.Rb7 Be7 27.b4 
e5 28.b5 Ke6 29.f3 Rc8 30.b6 Rb4 31.Rxb4 Bxb4 32.Kf1 d5 33.Ra7 Rc1+ 34.Ke2
Rb1 35.b7 Bc5 36.Ra6+ Bd6 37.Ra7 Bb8 38.Ra6+ Kf7 39.h4 Rxb7 40.hxg5 fxg5 
41.Ra2 Ke6 42.Be1 Bd6 43.Bd2 g4 44.Ra6 d4 45.Ra2 Kd5 46.Ra5+ Bc5 47.Ra2 
Rb3 48.Bg5 Bb4 49.Bh6 g3 50.Bd2 d3+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Weidemann, Jorg"]
[Black "Popovic, Petar"]
[Result "1/2-1/2"]
[BlackElo "2405"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "114"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Nc3 Nf6 5.Be2 O-O 6.O-O Nc6 7.Bg5 h6 8.Bh4 Bg4
9.d5 Bxf3 10.Bxf3 Ne5 11.Be2 c6 12.Qd2 Qa5 13.Bxf6 exf6 14.f4 Nc4 15.Bxc4 
Qc5+ 16.Kh1 Qxc4 17.f5 g5 18.Rf3 Rfe8 19.Rd3 Bf8 20.Rd4 Qa6 21.a4 c5 22.
Rd3 Qa5 23.h4 a6 24.Rg3 Re5 25.Ra2 Rae8 26.Ra3 Rb8 27.Qd3 Qb4 28.Rb3 Qd4 
29.Re3 Ree8 30.a5 Be7 31.Ne2 Qa4 32.Ra3 Qb4 33.Qc3 Bd8 34.hxg5 fxg5 35.Ng3
Qxc3 36.bxc3 Bf6 37.Rb3 Be5 38.Nh5 f6 39.c4 b6 40.axb6 Re7 41.Re1 Reb7 42.
Reb1 Kf8 43.g4 Ke8 44.Kg2 Kd8 45.Kf3 Kc8 46.Ke2 Re7 47.Ra3 Ra8 48.Kd3 a5 
49.Ra4 Rb7 50.Rb5 Ra6 51.Rbxa5 Rxa5 52.Rxa5 Rxb6 53.Ra8+ Kd7 54.Rh8 Rb1 
55.Rxh6 Ke7 56.Rh7+ Kf8 57.Rd7 Rb6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.01"]
[Round "10"]
[White "Wong, Sheldon"]
[Black "Morris, Arthur"]
[Result "1/2-1/2"]
[ECO "B06"]
[EventDate "1976.12.21"]
[PlyCount "40"]

1.e4 g6 2.d4 Bg7 3.c3 d6 4.f4 Nf6 5.Bd3 O-O 6.Nf3 Bg4 7.O-O e5 8.Qb3 Bxf3 
9.Rxf3 Qc8 10.fxe5 dxe5 11.Bg5 Nbd7 12.Nd2 h6 13.Bxf6 Nxf6 14.Raf1 Qe6 15.
Qxe6 fxe6 16.dxe5 Ng4 17.Rxf8+ Rxf8 18.Rxf8+ Kxf8 19.Nf3 Nxe5 20.Nxe5 Bxe5
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Avgoustinos, Avgousti"]
[Black "Yap, Andronico"]
[Result "0-1"]
[ECO "B49"]
[EventDate "1976.12.21"]
[PlyCount "98"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nc3 e6 6.Be2 a6 7.Be3 b5 8.f4 b4 
9.Na4 Bb7 10.Bf3 Nf6 11.e5 Nxd4 12.Bxd4 Bxf3 13.Qxf3 Nd5 14.Nb6 Nxb6 15.
Bxb6 Qc6 16.Qxc6 dxc6 17.O-O-O Be7 18.Rd3 Rb8 19.Bc7 Rb5 20.Rhd1 Rd5 21.
Rxd5 exd5 22.g4 Kd7 23.Bb6 h5 24.g5 Ke6 25.Kd2 Kf5 26.Rf1 Rb8 27.Bc7 Rb7 
28.Ba5 Rb5 29.Bc7 Rc5 30.Re1 Rc4 31.e6 Rd4+ 32.Kc1 f6 33.gxf6 gxf6 34.Re3 
h4 35.Rh3 Kg4 36.Rb3 Re4 37.c3 c5 38.cxb4 c4 39.Ra3 Rxe6 40.h3+ Kf5 41.Ra5
Ke4 42.b5 Kd3 43.Be5 axb5 44.Bc3 d4 45.f5 Re2 46.Ra7 b4 47.Kd1 bxc3 48.
bxc3 Bc5 49.Ra8 Rh2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Azadharf, Farrokh"]
[Black "Schussler, Harry"]
[Result "1-0"]
[BlackElo "2335"]
[ECO "A04"]
[EventDate "1976.12.21"]
[PlyCount "65"]

1.Nf3 g6 2.g3 Bg7 3.Bg2 c5 4.O-O Nc6 5.Nc3 e6 6.Rb1 Nge7 7.a3 d5 8.b4 c4 
9.Bb2 e5 10.b5 Na5 11.e3 O-O 12.Ne2 Qc7 13.Ne1 Bg4 14.f3 Be6 15.f4 f6 16.
Nf3 h6 17.Bc3 g5 18.Rb4 g4 19.Nh4 b6 20.Ng6 Nxg6 21.f5 Bf7 22.fxg6 Be6 23.
Rb1 Rad8 24.Bb4 Rfe8 25.Nc3 f5 26.h3 h5 27.hxg4 hxg4 28.Nxd5 Rxd5 29.Bxd5 
Bxd5 30.Rxf5 Bf8 31.Qxg4 Nb7 32.Rbf1 Bxb4 33.axb4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Binham, Timothy"]
[Black "Tonoli, Walter"]
[Result "1-0"]
[WhiteElo "2340"]
[ECO "A05"]
[EventDate "1976.12.21"]
[PlyCount "49"]

1.Nf3 Nf6 2.g3 g6 3.b3 b6 4.Bb2 Bb7 5.Bg2 Bg7 6.c4 O-O 7.O-O e6 8.d4 d5 9.
Nc3 Nbd7 10.Qc2 Rc8 11.Rfd1 c5 12.Nb5 Ra8 13.Nd6 Bc6 14.Ne5 Nxe5 15.dxe5 
Ng4 16.cxd5 exd5 17.Bxd5 Bxd5 18.Rxd5 Qe7 19.Qe4 Qe6 20.Rad1 Rad8 21.f3 
Nh6 22.Qf4 Rd7 23.e4 Rfd8 24.Qd2 f5 25.Nc4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Chandler, Murray Graham"]
[Black "Kouatly, Bachar"]
[Result "1-0"]
[WhiteElo "2385"]
[BlackElo "2370"]
[ECO "B22"]
[EventDate "1976.12.21"]
[PlyCount "77"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 d6 6.Nf3 Nc6 7.Bc4 Nb6 8.Bb5 
Bd7 9.exd6 exd6 10.O-O Be7 11.d5 Nb4 12.Bxd7+ Qxd7 13.Nc3 O-O 14.Be3 Bf6 
15.Bxb6 axb6 16.Ne4 Bxb2 17.Rb1 Ba3 18.Qd2 Qa4 19.Nxd6 Qd7 20.Nc4 Nxd5 21.
Rb3 Be7 22.Rd1 Qc7 23.Qxd5 Rfd8 24.Nxb6 Rxd5 25.Nxd5 Qc2 26.Nxe7+ Kf8 27.
Rbd3 Kxe7 28.Rd7+ Ke8 29.g3 g6 30.R7d2 Qc3 31.Ng5 h6 32.Ne4 Qc6 33.Nd6+ 
Kf8 34.h4 b5 35.Rd4 Rxa2 36.h5 Qf3 37.Ne4 gxh5 38.Re1 Kg7 39.Rd5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Diesen, Mark"]
[Black "Georgiev, Krum"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2390"]
[ECO "B51"]
[EventDate "1976.12.21"]
[PlyCount "43"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.d4 Nf6 5.Nc3 cxd4 6.Qxd4 e6 7.Bg5 Be7 8.
O-O-O O-O 9.h4 Nc5 10.Bxf6 gxf6 11.g4 a6 12.Be2 Qe8 13.Qe3 Kh8 14.g5 fxg5 
15.hxg5 Rg8 16.Rh5 Rg7 17.e5 d5 18.Nh2 Na4 19.Ng4 Nxc3 20.bxc3 Ba3+ 21.Kd2
d4 22.Qxd4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Dunne, David Joseph"]
[Black "Messa, Roberto"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "77"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Bc4 c6 5.Nf3 Nf6 6.Bb3 O-O 7.O-O b5 8.a3 a5 9.
Re1 Qb6 10.e5 dxe5 11.dxe5 Ng4 12.Be3 Nxe3 13.Rxe3 Na6 14.Ng5 h6 15.Nxf7 
Rxf7 16.Bxf7+ Kxf7 17.Qf3+ Kg8 18.e6 Kh7 19.Qf7 Qd8 20.Rg3 Qg8 21.Qxg6+ 
Kh8 22.Ne2 Bxe6 23.Nf4 Nc7 24.Nxe6 Nxe6 25.Re1 Rd8 26.Rge3 Nf4 27.Qxc6 Rd6
28.Qxb5 Rd2 29.Qf5 Nd5 30.Rg3 Qb8 31.c4 Nf4 32.Rxg7 Ne2+ 33.Kf1 Kxg7 34.
Rxe2 Rxe2 35.Qg4+ Kh8 36.Qxe2 Qxh2 37.Qf3 Qh1+ 38.Ke2 Qc1 39.Qc3+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Van Egmond, Peter"]
[Black "Chaves, Jaime Augusto"]
[Result "1/2-1/2"]
[ECO "B38"]
[EventDate "1976.12.21"]
[PlyCount "82"]

1.Nf3 g6 2.e4 d6 3.c4 c5 4.d4 cxd4 5.Nxd4 Nf6 6.Nc3 Bg7 7.Be2 O-O 8.O-O 
Nc6 9.Be3 Nxd4 10.Bxd4 Be6 11.f3 Nd7 12.Bxg7 Kxg7 13.Qd4+ Kg8 14.Nd5 Bxd5 
15.cxd5 Qb6 16.Qxb6 Nxb6 17.Rac1 Rfc8 18.f4 Rxc1 19.Rxc1 Rc8 20.Rxc8+ Nxc8
21.Bc4 Nb6 22.Bb3 Kg7 23.Kf2 f5 24.e5 dxe5 25.fxe5 Nd7 26.e6 Nf6 27.Ke3 
Ne8 28.g3 Kf6 29.Kd4 Nd6 30.Bd1 h6 31.a4 Ne8 32.b3 Nd6 33.Bf3 Ne8 34.Bd1 
Nd6 35.Bf3 Nc8 36.Bd1 g5 37.Be2 Nd6 38.Bf3 Ne8 39.Bd1 Ng7 40.Be2 Ne8 41.
Bd1 Nd6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Foisor, Ovidiu"]
[Black "Mestel, Andrew Jonathan"]
[Result "1/2-1/2"]
[BlackElo "2390"]
[ECO "A40"]
[EventDate "1976.12.21"]
[PlyCount "49"]

1.d4 e6 2.c4 b6 3.Nc3 Bb7 4.Nf3 Bb4 5.Qb3 c5 6.a3 Bxc3+ 7.Qxc3 Nf6 8.e3 
O-O 9.Be2 Nc6 10.O-O Rc8 11.dxc5 bxc5 12.b3 Qb6 13.Bb2 Na5 14.Rab1 Rfd8 
15.Ba1 Nc6 16.b4 Ba8 17.Rfd1 Ne7 18.Ne5 d6 19.Nd3 cxb4 20.axb4 Ned5 21.Qc1
Qc6 22.Ne1 Nb6 23.Bxf6 gxf6 24.Qc3 Kg7 25.Rbc1 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Ftacnik, Lubomir"]
[Black "Rogers, Ian"]
[Result "1-0"]
[WhiteElo "2360"]
[ECO "A37"]
[EventDate "1976.12.21"]
[PlyCount "109"]

1.Nf3 c5 2.c4 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nc3 d6 6.O-O e5 7.a3 Nge7 8.b4 Be6 
9.Ng5 Bxc4 10.d3 Be6 11.Nxe6 fxe6 12.bxc5 d5 13.e4 O-O 14.Qg4 Nd4 15.Bg5 
Bf6 16.Bxf6 Rxf6 17.Qg5 Rf3 18.exd5 Rf5 19.Qg4 exd5 20.Rab1 Qd7 21.Qd1 Rf6
22.Re1 Raf8 23.Rb2 Nf3+ 24.Bxf3 Rxf3 25.Rxe5 d4 26.Qb3+ Kh8 27.Nb5 Nc6 28.
Re4 Qf5 29.Nd6 Qxc5 30.Nxb7 Qf5 31.Nd6 Qc5 32.Nc4 Qf5 33.Qc2 Qh5 34.Re2 
Qd5 35.Qb1 Qf5 36.Red2 h5 37.Rb5 Qf6 38.Qe1 h4 39.Rd5 hxg3 40.hxg3 Nd8 41.
Rd6 Qg7 42.Ne5 R3f6 43.Rd7 Nf7 44.f4 g5 45.Ng4 Ra6 46.f5 Kg8 47.Rh2 Rb8 
48.f6 Rxf6 49.Nxf6+ Qxf6 50.Rf2 Qe5 51.Re2 Qf5 52.Re8+ Rxe8 53.Qxe8+ Kg7 
54.Rxa7 g4 55.a4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Greenberg, Nir"]
[Black "Campora, Daniel Hugo"]
[Result "1-0"]
[ECO "C66"]
[EventDate "1976.12.21"]
[PlyCount "79"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Bxc6 Bxc6 8.Qd3 
Nd7 9.Be3 b6 10.Rad1 exd4 11.Nxd4 Bb7 12.Nf5 Bf6 13.f4 Bxc3 14.Qxc3 Bxe4 
15.Nxg7+ Kf8 16.Ne6+ fxe6 17.Qxh8+ Kf7 18.Qxd8 Rxd8 19.Rd2 d5 20.h3 c5 21.
c3 Rg8 22.Kh2 h5 23.b4 c4 24.Bd4 Nf8 25.Rdf2 Ng6 26.f5 exf5 27.Rxf5+ Bxf5 
28.Rxf5+ Ke6 29.Rxh5 Nf4 30.Rh6+ Kf5 31.Rf6+ Ke4 32.g4 Ne2 33.Re6+ Kd3 34.
Re3+ Kd2 35.Rxe2+ Kxe2 36.Kg3 Kd3 37.h4 Rf8 38.h5 Rf1 39.g5 Rh1 40.Kg4 {
Time} 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Hebert, Jean"]
[Black "Helmers, Knut"]
[Result "0-1"]
[WhiteElo "2255"]
[BlackElo "2265"]
[ECO "B02"]
[EventDate "1976.12.21"]
[PlyCount "66"]

1.e4 Nf6 2.e5 Nd5 3.Nc3 Nxc3 4.bxc3 d5 5.Ba3 Nd7 6.d4 c5 7.Qd2 Qa5 8.Bxc5 
Nxc5 9.dxc5 e6 10.c4 Qxd2+ 11.Kxd2 dxc4 12.Bxc4 Bxc5 13.f4 b6 14.Nf3 Bb7 
15.Ke2 Ke7 16.Rhd1 Rhd8 17.Bd3 a6 18.g3 Rac8 19.Rab1 Bd5 20.a4 a5 21.Ba6 
Ra8 22.Bb5 Be4 23.Bd3 Bc6 24.Ra1 Rab8 25.Nd2 Bd4 26.Ra3 g5 27.Be4 Bc5 28.
Bxc6 Bxa3 29.Rb1 Bb4 30.Nb3 Rbc8 31.Be4 gxf4 32.gxf4 Rc4 33.Kf3 Bc3 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Karaosmanoglu, Sedat"]
[Black "Omuku, Emmanuel"]
[Result "0-1"]
[ECO "D50"]
[EventDate "1976.12.21"]
[PlyCount "44"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.cxd5 exd5 6.Nf3 cxd4 7.Nxd4 Be7 8.g3 
Nc6 9.Bg2 Nxd4 10.Qxd4 Be6 11.O-O O-O 12.Qd3 h6 13.Be3 $2 Qd7 14.Rfd1 Rfd8
15.Rac1 Bb4 16.Bd4 Be7 17.Qc2 Qc6 18.Qb3 Qa6 19.e3 Rac8 20.Bf1 Qc6 21.Bxa7
$2 d4 22.Nd5 Qxd5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Klauner, Theodore"]
[Black "Lo Kim Lin, Frank"]
[Result "1-0"]
[ECO "A16"]
[EventDate "1976.12.21"]
[PlyCount "57"]

1.c4 Nf6 2.Nc3 g6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nxc3 6.bxc3 c5 7.Rb1 Qc7 8.Ba3
Nd7 9.Qa4 Bg7 10.Nh3 O-O 11.Nf4 a6 12.h4 Rb8 13.Nd5 Qd6 14.h5 b5 15.Qh4 
Bf6 16.Nxf6+ Nxf6 17.hxg6 fxg6 18.d4 b4 19.cxb4 cxb4 20.Bc1 Rf7 21.Bf4 
Qxd4 22.Bxb8 Ng4 23.O-O Rxf2 24.Rxf2 Qxf2+ 25.Kh1 Qb6 26.Bd5+ Kh8 27.Qxe7 
Nf2+ 28.Kg2 Bh3+ 29.Kh2 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Kokkinos, Leonidas"]
[Black "Morris, Arthur"]
[Result "1-0"]
[ECO "B09"]
[EventDate "1976.12.21"]
[PlyCount "93"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 c5 6.Bb5+ Bd7 7.e5 Ng4 8.h3 Nh6 
9.Bxd7+ Qxd7 10.d5 Nf5 11.O-O O-O 12.Re1 Na6 13.g4 Nh6 14.Be3 Kh8 15.Ne2 
Nc7 16.c4 dxe5 17.fxe5 Nxg4 18.hxg4 Qxg4+ 19.Kf2 Qxc4 20.Rc1 Qxd5 21.Rxc5 
Qxd1 22.Rxd1 Ne6 23.Rb5 b6 24.Rd7 Rfe8 25.Ned4 Nc5 26.Rc7 a6 27.Rxb6 Nd3+ 
28.Ke2 Nxe5 29.Rbb7 Nxf3 30.Kxf3 Bf6 31.Nc6 Kg7 32.Nxe7 Bxe7 33.Rxe7 Rxe7 
34.Rxe7 Kf6 35.Rb7 h5 36.a4 g5 37.Ba7 Kg7 38.Ke4 h4 39.Kf5 h3 40.Bd4+ Kf8 
41.Rb3 Rd8 42.Be5 g4 43.Kxg4 h2 44.Rh3 Ke7 45.Kf5 Rd3 46.Bf6+ Ke8 47.Rxd3 
1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Kristensen, Leif"]
[Black "Ammann, Philipp"]
[Result "1/2-1/2"]
[BlackElo "2220"]
[ECO "B22"]
[EventDate "1976.12.21"]
[PlyCount "116"]

1.e4 c5 2.c3 Nf6 3.e5 Nd5 4.d4 cxd4 5.cxd4 d6 6.Nf3 Nc6 7.Bc4 Nb6 8.Bb5 
Bd7 9.exd6 e6 10.Bf4 Nd5 11.Qd2 Qb6 12.Bxc6 Bxc6 13.O-O Bb5 14.d7+ Bxd7 
15.Nc3 Nxf4 16.Qxf4 Bd6 17.Ne5 O-O 18.Nxd7 Bxf4 19.Nxb6 axb6 20.g3 Bg5 21.
Rfd1 Rfd8 22.d5 Bf6 23.dxe6 fxe6 24.Rxd8+ Rxd8 25.Rd1 Ra8 26.Rd6 Bxc3 27.
bxc3 Rxa2 28.Rxe6 Ra3 29.Rxb6 Rxc3 30.Rxb7 Rc2 31.Kg2 Ra2 32.g4 g5 $2 33.
Rb5 h6 34.h4 gxh4 35.Rh5 Kg7 36.Rxh4 Kg6 37.Rh5 Rb2 38.Ra5 Rc2 39.Ra6+ Kg5
40.Kg3 Rc3+ 41.f3 Rb3 42.Rc6 Ra3 43.Rc5+ Kg6 44.Re5 Kf6 45.Rd5 Rb3 46.Kf4 
Rb4+ 47.Ke3 Rb1 48.Ke4 Re1+ 49.Kf4 Re6 50.Kg3 Re3 51.Rf5+ Kg6 52.Kh4 h5 
53.Rg5+ Kf6 54.Rxh5 Rxf3 55.Rh6+ Kg7 56.Ra6 Rb3 57.Kh5 Rb7 58.g5 Rc7 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Marrero Martin, Miguel"]
[Black "Sequeira, Joao"]
[Result "1/2-1/2"]
[ECO "B74"]
[EventDate "1976.12.21"]
[PlyCount "26"]

1.e4 c5 2.Nc3 Nc6 3.Nf3 d6 4.d4 cxd4 5.Nxd4 Nf6 6.Be2 g6 7.O-O Bg7 8.Nb3 
O-O 9.Be3 Be6 10.f4 Qc8 11.h3 a5 12.a4 Nb4 13.Rf3 Rd8 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Nakano, Mikka"]
[Black "Smith, Alvin Louis"]
[Result "1/2-1/2"]
[ECO "E51"]
[EventDate "1976.12.21"]
[PlyCount "66"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 d5 5.Nf3 O-O 6.Bd3 dxc4 7.Bxc4 b6 8.a3 
Bxc3+ 9.bxc3 Bb7 10.O-O Nbd7 11.Re1 c5 12.Bb2 Qc7 13.Rc1 e5 14.Qb3 h6 15.
Be2 Rad8 16.Nd2 Rfe8 17.Bc4 Nf8 18.e4 exd4 19.f3 Ne6 20.Bxe6 dxc3 21.Bxf7+
Qxf7 22.Qxf7+ Kxf7 23.Bxc3 Rd3 24.Nc4 Rdd8 25.e5 $2 Ba6 26.Nd6+ Ke6 27.
Nxe8 Nxe8 28.Rcd1 Bd3 29.f4 g6 30.Kf2 Nc7 31.a4 c4 32.Rc1 Na6 33.h4 Nc5 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Oltra Caurin, Ramon"]
[Black "Dur, Arne"]
[Result "1/2-1/2"]
[ECO "B33"]
[EventDate "1976.12.21"]
[PlyCount "93"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.Nd5 Nxd5 8.
exd5 Ne7 9.c4 Nf5 10.Bd3 Be7 11.O-O a6 12.Nc3 O-O 13.b4 Bd7 14.Rb1 Rc8 15.
a4 Nh4 16.f3 f5 17.Be3 Bg5 18.Bf2 Qf6 19.Qb3 Qh6 20.Be2 Be3 21.g3 Ng6 22.
Nd1 Bxf2+ 23.Nxf2 Qg5 24.Kh1 h5 25.Nh3 Qh6 26.f4 h4 27.Kg2 Rfe8 28.Bd3 
exf4 29.Nxf4 Nxf4+ 30.Rxf4 hxg3 31.hxg3 Re3 32.Rbf1 Rce8 33.Qc2 Qg5 34.
R1f3 g6 35.Rxe3 Rxe3 36.Rf3 Re1 37.Bf1 Rc1 38.Qe2 Rb1 39.b5 Qf6 40.Rf2 Rb3
41.Qc2 Ra3 42.bxa6 bxa6 43.Qb2 Qxb2 44.Rxb2 Kf7 45.Rb6 Ke7 46.Rxa6 Rxa4 
47.Rb6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Petursson, Margeir"]
[Black "Leow, Leslie"]
[Result "0-1"]
[WhiteElo "2390"]
[BlackElo "2280"]
[ECO "A10"]
[EventDate "1976.12.21"]
[PlyCount "70"]

1.c4 f5 2.Nf3 Nf6 3.g3 g6 4.Bg2 Bg7 5.O-O O-O 6.Nc3 d6 7.Rb1 e5 8.d3 c6 9.
e4 fxe4 10.dxe4 Be6 11.Qe2 Qe7 12.b3 a5 13.h3 Na6 14.Ne1 Nd7 15.Nc2 Ndc5 
16.Rd1 h6 17.f3 Kh7 18.Be3 Rad8 19.Bf2 h5 20.h4 Bh6 21.Be3 g5 22.hxg5 Bxg5
23.Kf2 h4 24.Rh1 Kg7 25.g4 Nb4 26.Ne1 d5 27.cxd5 cxd5 28.Bxg5 Qxg5 29.exd5
Nxd5 30.Nxd5 Rxd5 31.Kg1 Rd2 32.f4 Qxf4 33.Qf3 Qd4+ 34.Kh2 Rxf3 35.Nxf3 
Qf4+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Popovic, Petar"]
[Black "Groszpeter, Attila"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[ECO "A00"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.g3 Nf6 2.Bg2 d5 3.d3 Bf5 4.Nd2 e6 5.e4 Bg6 6.Ne2 dxe4 7.dxe4 e5 8.O-O 
Nc6 9.Nc3 Bc5 10.Nd5 O-O 11.c3 a5 12.a4 Kh8 13.Qe2 Bh5 14.Qb5 Bd6 15.Qxb7 
Nxd5 16.Qxc6 Ne7 17.Qc4 Rb8 18.Nb3 f5 19.Nxa5 c5 20.Qd3 Bc7 21.Qxd8 Rfxd8 
22.Bg5 Bxa5 23.Bxe7 Rd7 24.Bxc5 Rxb2 25.exf5 Bxc3 26.a5 Rc2 27.Ra4 Be2 28.
a6 Bxf1 29.a7 $5 Rxa7 30.Rxa7 Bxg2 31.Kxg2 h5 32.Ra4 Bd2 33.Ba7 Bg5 34.Kf3
Kg8 35.Be3 Bxe3 36.fxe3 Rxh2 37.Ra8+ Kf7 38.Ra7+ Kf6 39.Ke4 Rg2 40.Ra6+ 
Kf7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Rayner, Emmanuel"]
[Black "Wong, Sheldon"]
[Result "1-0"]
[ECO "C66"]
[EventDate "1976.12.21"]
[PlyCount "97"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 exd4 6.Nxd4 Bd7 7.Nc3 Be7 8.Bf4 
O-O 9.h3 Nxd4 10.Qxd4 Bxb5 11.Nxb5 Ne8 12.c4 c6 13.Nc3 Nc7 14.Qd2 Ne6 15.
Bg3 Qb6 16.b3 Rfd8 17.Rad1 Qa5 18.Nd5 Qxd2 19.Nxe7+ Kf8 20.Rxd2 Kxe7 21.
Rfd1 Rd7 22.Bxd6+ Ke8 23.f3 Rad8 24.Kf2 c5 25.Ke3 b6 26.Be5 f6 27.Rxd7 
Rxd7 28.Rxd7 Kxd7 29.Bc3 a5 30.f4 h5 31.f5 Nc7 32.e5 Ke7 33.Ke4 Kf7 34.
exf6 gxf6 35.Bd2 a4 36.bxa4 Ke7 37.a5 bxa5 38.Bxa5 Ne8 39.Kd5 Nd6 40.g4 
hxg4 41.hxg4 Nf7 42.Bd2 Kd7 43.Bf4 Nd8 44.Kxc5 Nc6 45.a4 Na5 46.Kb5 Nb3 
47.a5 Nd4+ 48.Kb6 Ne2 49.a6 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Sellos, Didier"]
[Black "Baart, Joan"]
[Result "0-1"]
[ECO "B77"]
[EventDate "1976.12.21"]
[PlyCount "102"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 
O-O 9.Bc4 Bd7 10.h4 Rc8 11.Bb3 Ne5 12.Bh6 Bxh6 13.Qxh6 Rxc3 14.bxc3 Qc7 
15.Ne2 Rc8 16.h5 Nxh5 17.Rxh5 gxh5 18.Qxh5 Qc5 19.Qg5+ Ng6 20.Qh6 Bb5 21.
Rd1 Bxe2 22.Kxe2 Qxc3 23.Rh1 Qg7 24.Qe3 b6 25.Kf2 Rc3 26.Qd2 Rc5 27.Rh3 
Qf6 28.Qh6 Qd4+ 29.Kf1 Qg7 30.Qd2 a5 31.f4 Qa1+ 32.Kf2 Qf6 33.f5 Ne5 34.
Qe2 b5 35.a4 bxa4 36.Bxa4 h6 37.Bb3 Kh7 38.Kg1 Qg5 39.Qe1 Qf4 40.Rh4 Qg5 
41.Rh3 Ng4 42.Rf3 Qf6 43.c3 Qe5 44.Rh3 Rb5 45.Bxf7 Qc5+ 46.Kh1 Nf2+ 47.Kh2
Qe5+ 48.Rg3 Nxe4 49.Bg6+ Kh8 50.f6 Nxg3 51.Qxe5 Rxe5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Twardon, Marian"]
[Black "Salazar Jacob, Hernan"]
[Result "1/2-1/2"]
[ECO "B47"]
[EventDate "1976.12.21"]
[PlyCount "101"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.g3 a6 7.Bg2 d6 8.O-O Bd7
9.Re1 Be7 10.Be3 Nf6 11.Nxc6 Bxc6 12.f4 b5 13.Bf2 O-O 14.a4 b4 15.Nb1 d5 
16.e5 Ne4 17.Bd4 Rfd8 18.Nd2 Rac8 19.Nf1 Bc5 20.Ne3 Qa7 21.Bxc5 Qxc5 22.
Bxe4 dxe4 23.Qe2 a5 24.b3 Rd4 25.Rad1 Rcd8 26.Rxd4 Rxd4 27.Kf2 h6 28.Rd1 
Be8 29.Rxd4 Qxd4 30.Qd1 Qb6 31.Qd6 Bc6 32.Ke2 Kh7 33.g4 f6 34.Qe7 fxe5 35.
f5 exf5 36.Nxf5 Qa6+ 37.Ke1 Qb7 38.Qxb7 Bxb7 39.Nd6 Bd5 40.Ke2 Kg6 41.Nf5 
Kf6 42.Kf2 g6 43.Ne3 Be6 44.Kg3 Ke7 45.Kf2 Kd6 46.Ke2 Kc5 47.Ke1 Kd4 48.
Kd2 Bg8 49.Nd1 Bf7 50.Ne3 Be6 51.h3 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Upton, Timothy"]
[Black "Girault, Eric"]
[Result "1-0"]
[ECO "B09"]
[EventDate "1976.12.21"]
[PlyCount "51"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Be2 c5 7.dxc5 Qa5 8.O-O 
Qxc5+ 9.Kh1 Nc6 10.Qe1 Bg4 11.Bd3 Nb4 12.Be3 Nxd3 13.cxd3 Qa5 14.d4 Rac8 
15.Bd2 Bxf3 16.Rxf3 e6 17.e5 dxe5 18.fxe5 Nd5 19.Qh4 Qd8 20.Bg5 f6 21.exf6
Bxf6 22.Rxf6 Nxf6 23.Ne4 Qc7 24.Nxf6+ Rxf6 25.Bxf6 Qc1+ 26.Qe1 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Vera Gonzalez, Reynaldo"]
[Black "Weidemann, Jorg"]
[Result "1/2-1/2"]
[ECO "C00"]
[EventDate "1976.12.21"]
[PlyCount "81"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 b6 5.c3 Bb7 6.Qa4+ Qd7 7.Qc2 Qc8 8.Be2 c5
9.O-O Be7 10.Re1 O-O 11.Bf1 Nc6 12.g3 d4 13.c4 e5 14.Nh4 g6 15.Ndf3 Nh5 
16.Bh6 Ng7 17.Ng5 f6 18.Bh3 f5 19.Qe2 Bxg5 20.Bxg5 Qe8 21.exf5 Nxf5 22.Bg2
Kg7 23.Nxf5+ Rxf5 24.Bd2 Qd7 25.a3 Raf8 26.Rf1 Nd8 27.Bxb7 Qxb7 28.f4 exf4
29.Rxf4 Qf7 30.Rxf5 Qxf5 31.Rf1 Qxf1+ 32.Qxf1 Rxf1+ 33.Kxf1 Ne6 34.b4 Kf6 
35.b5 Kf5 36.Kg2 h5 37.Kf3 g5 38.h3 g4+ 39.hxg4+ hxg4+ 40.Kf2 Ke5 41.Ke2 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Vladimirov, Evgeny"]
[Black "Sisniega Campbell, Marcel"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2345"]
[ECO "E18"]
[EventDate "1976.12.21"]
[PlyCount "90"]

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 d6 11.b3 Bf6 12.Rb1 Nd7 13.e4 c5 14.Be3 Qc7 15.d5 
Rae8 16.f3 Ne5 17.Qd2 exd5 18.Qxd5 Nc6 19.Qd3 Bd4 20.Bxd4 Nxd4 21.Ne3 Qd7 
22.Rbd1 Re5 23.Rf2 f5 24.Nxf5 Nxf5 25.f4 Re6 26.exf5 Rxf5 27.Qxf5 Re1+ 28.
Rxe1 Qxf5 29.Rd2 h5 30.Rxd6 Qc2 31.Rd8+ Kh7 32.Rd7 Qxa2 33.Re5 Qxb3 34.
Rxh5+ Kg6 35.Rg5+ Kf6 36.Rdxg7 a5 37.R7g6+ Kf7 38.Rg7+ Kf6 39.Rd7 Qe3+ 40.
Kf1 Qf3+ 41.Kg1 Qe3+ 42.Kf1 Qf3+ 43.Ke1 Qe3+ 44.Kd1 Qb3+ 45.Kd2 Qb4+ 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.02"]
[Round "11"]
[White "Zapata Ramirez, Alonso"]
[Black "Ahad, Wazin"]
[Result "0-1"]
[WhiteElo "1900"]
[ECO "C88"]
[EventDate "1976.12.21"]
[PlyCount "144"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 Bb7
9.c3 d6 10.d4 Nd7 11.Nbd2 Na5 12.Bc2 c5 13.Nf1 cxd4 14.cxd4 Qc7 15.axb5 
axb5 16.Bd3 b4 17.Bd2 exd4 18.Bxb4 Nc6 19.Rc1 Qb6 20.Ba3 Nde5 21.Bb1 Nxf3+
22.Qxf3 Ne5 23.Qg3 Rfc8 24.Nd2 Ba6 25.f4 Nd7 26.Qf2 Bd8 27.e5 dxe5 28.fxe5
d3 29.Rcd1 Qxf2+ 30.Kxf2 Bb6+ 31.Kf3 Re8 32.Bd6 Bd4 33.e6 fxe6 34.Nb3 Bb7+
35.Kg3 Bxb2 36.Bxd3 Bd5 37.Nc1 Nf6 38.Ne2 Red8 39.Bc7 Rd7 40.Rb1 Rxc7 41.
Rxb2 Ra3 42.Nc1 Rxc1 43.Rxc1 Rxd3+ 44.Kf4 Kf7 45.Rc7+ Kg6 46.Re2 Rd4+ 47.
Ke5 Ra4 48.h3 h5 49.Rc3 Nh7 50.Kd6 Ng5 51.Rce3 Rc4 52.Ke7 h4 53.Rf2 Rc7+ 
54.Kd6 Ra7 55.Rfe2 Ra5 56.Ke7 Ra7+ 57.Kd6 Ra1 58.g3 Ra4 59.gxh4 Rxh4 60.
Rh2 Kf5 61.Rf2+ Kg6 62.Rh2 Bf3 63.Ke5 Bg4 64.Kf4 Bxh3+ 65.Kg3 Rg4+ 66.Kf2 
Rf4+ 67.Kg3 Rg4+ 68.Kf2 Rh4 69.Kg3 Kh5 70.Re5 Rg4+ 71.Kf2 Kh4 72.Re3 Ra4 
0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Ahad, Wazin"]
[Black "Sellos, Didier"]
[Result "1/2-1/2"]
[ECO "B40"]
[EventDate "1976.12.21"]
[PlyCount "62"]

1.e4 e6 2.c4 c5 3.Nf3 Nc6 4.Nc3 Nf6 5.Be2 d5 6.cxd5 exd5 7.exd5 Nxd5 8.O-O
Be6 9.d4 Be7 10.Nxd5 Qxd5 11.Be3 c4 12.Nd2 Nxd4 13.Bxc4 Qd7 14.Bxd4 Qxd4 
15.Bxe6 fxe6 16.Qe2 Qd7 17.Rfe1 O-O 18.Qxe6+ Qxe6 19.Rxe6 Bf6 20.Rb1 Rac8 
21.Ne4 Bxb2 22.g3 Rc2 23.Re7 Bd4 24.Rbxb7 Rxa2 25.Red7 Bxf2+ 26.Nxf2 Rfxf2
27.Rxg7+ Kf8 28.Rxh7 Rg2+ 29.Kh1 Kg8 30.Rbg7+ Kf8 31.Rxa7 Rxh2+ 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Ammann, Philipp"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "1/2-1/2"]
[WhiteElo "2220"]
[ECO "A08"]
[EventDate "1976.12.21"]
[PlyCount "70"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.d4 e6 5.O-O cxd4 6.Nxd4 Bc5 7.Nb3 Bb6 8.c4 
Nf6 9.Nc3 dxc4 10.Nd2 Ne5 11.Qa4+ Bd7 12.Qa3 Qe7 13.Qxe7+ Kxe7 14.Bxb7 
Rab8 15.Ba6 Nd5 16.Nxc4 Nxc4 17.Bxc4 Nxc3 18.bxc3 Rbc8 19.Bd3 f6 20.c4 Bc5
21.Kg2 Rb8 22.Bd2 h6 23.Rab1 Rb6 24.Bc3 Rhb8 25.f3 e5 26.Rxb6 axb6 27.Rb1 
Ra8 28.Rb2 Ra4 29.Rc2 Be6 30.Bd2 Kd6 31.h4 Bb4 32.Be3 Bc5 33.Bc1 Ba3 34.
Bxa3+ Rxa3 35.Kf2 Ra4 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Avgoustinos, Avgousti"]
[Black "Karaosmanoglu, Sedat"]
[Result "1-0"]
[ECO "C11"]
[EventDate "1976.12.21"]
[PlyCount "41"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 dxe4 5.Nxe4 Nbd7 6.Nf3 Be7 7.Nxf6+ Nxf6 8.
Bd3 O-O 9.Qd2 b6 10.O-O-O Bb7 11.Qf4 Rc8 12.Rhe1 c6 13.Kb1 Qc7 14.Qh4 h6 
15.Bxh6 gxh6 16.Qxh6 Rfd8 17.Re5 Rd5 18.Rg5+ Rxg5 19.Nxg5 Qf4 20.g3 Qg4 
21.Bh7+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Azadharf, Farrokh"]
[Black "Leow, Leslie"]
[Result "0-1"]
[BlackElo "2280"]
[ECO "A04"]
[EventDate "1976.12.21"]
[PlyCount "64"]

1.Nf3 f5 2.g3 Nf6 3.Bg2 g6 4.O-O Bg7 5.c4 O-O 6.Nc3 d6 7.Rb1 e5 8.b4 e4 9.
Ne1 c6 10.d3 d5 11.cxd5 cxd5 12.Qb3 Kh8 13.Bg5 Nc6 14.dxe4 dxe4 15.Nc2 Qe8
16.Bxf6 Bxf6 17.Nd5 Be5 18.b5 Be6 19.f3 Nd4 20.Nxd4 Bxd4+ 21.Kh1 exf3 22.
Qxf3 Qf7 23.Rbc1 Rad8 24.Nf4 Bxa2 25.Qxb7 Qxb7 26.Bxb7 Rfe8 27.Bc6 Re3 28.
Rc2 Bb3 29.Rd2 Bb6 30.Rxd8+ Bxd8 31.Bd7 Bb6 32.Rc1 g5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Baart, Joan"]
[Black "Mestel, Andrew Jonathan"]
[Result "1/2-1/2"]
[BlackElo "2390"]
[ECO "A42"]
[EventDate "1976.12.21"]
[PlyCount "50"]

1.c4 g6 2.Nc3 Bg7 3.d4 d6 4.e4 e5 5.Nf3 exd4 6.Nxd4 Nc6 7.Nxc6 bxc6 8.Be2 
Nf6 9.Bg5 h6 10.Bh4 O-O 11.O-O Re8 12.Qc2 Bd7 13.Rad1 c5 14.f4 Qc8 15.h3 
Bc6 16.Bd3 Qb7 17.Nd5 Nxd5 18.exd5 Bd7 19.f5 Bd4+ 20.Bf2 Qxb2 21.fxg6 fxg6
22.Qxb2 Bxb2 23.Bxg6 Rf8 24.Be3 Kg7 25.Bh5 Bf5 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Campora, Daniel Hugo"]
[Black "Ftacnik, Lubomir"]
[Result "1/2-1/2"]
[BlackElo "2360"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "84"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Nf3 Nf6 5.Be2 O-O 6.O-O Nbd7 7.Re1 e5 8.dxe5 
dxe5 9.Be3 c6 10.Nd2 Qe7 11.a4 Nc5 12.f3 Rd8 13.Bf1 Nh5 14.Qc1 Ne6 15.Ne2 
f5 16.Rd1 Nf6 17.b3 c5 18.Nc3 Kh8 19.Bc4 b6 20.Nd5 Nxd5 21.Bxd5 Bb7 22.c4 
Nd4 23.Re1 fxe4 24.fxe4 Bxd5 25.cxd5 Rf8 26.Qc4 Bf6 27.Rf1 Bg5 28.Bxg5 
Qxg5 29.Qd3 Kg7 30.Nf3 Nxf3+ 31.Rxf3 Rxf3 32.Qxf3 Rf8 33.Qg3 Qf4 34.Qxf4 
Rxf4 35.Re1 g5 36.h3 h5 37.Re3 Kf7 38.g3 Rf6 39.Kg2 g4 40.hxg4 hxg4 41.Re1
Rf3 42.Rf1 Rxf1 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Chaves, Jaime Augusto"]
[Black "Binham, Timothy"]
[Result "1/2-1/2"]
[BlackElo "2340"]
[ECO "C02"]
[EventDate "1976.12.21"]
[PlyCount "32"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Qb6 5.Nf3 Bd7 6.Be2 cxd4 7.cxd4 Bb5 8.O-O 
Bxe2 9.Qxe2 Nc6 10.Nc3 Nge7 11.Qb5 Nf5 12.Rd1 Qxb5 13.Nxb5 Kd7 14.b3 h5 
15.Bb2 Be7 16.Nc3 Rac8 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Dunne, David Joseph"]
[Black "Chandler, Murray Graham"]
[Result "0-1"]
[BlackElo "2385"]
[ECO "B00"]
[EventDate "1976.12.21"]
[PlyCount "82"]

1.e4 b6 2.d4 Bb7 3.Nc3 e6 4.Nf3 Bb4 5.Bd3 c5 6.dxc5 bxc5 7.O-O Bxc3 8.bxc3
Ne7 9.Rb1 Qc7 10.c4 Nbc6 11.Re1 e5 12.Nd2 Nb4 13.a3 Nxd3 14.cxd3 Nc6 15.
Qg4 O-O 16.Nf3 f6 17.Nh4 Bc8 18.Nf5 d6 19.Qd1 Bxf5 20.exf5 Nd4 21.g4 Qc6 
22.Re3 Rab8 23.Rb2 Rb6 24.f3 Rfb8 25.Rf2 Rb1 26.Rf1 Ra1 27.Kg2 Rbb1 28.Qd2
Nb3 29.Qc3 Nxc1 30.Ree1 Ne2 31.Qxa1 Rxa1 32.Rxa1 Nf4+ 33.Kg3 Nxd3 34.Rab1 
Qc7 35.Rb3 d5 36.Rfb1 e4+ 37.Kg2 exf3+ 38.Kxf3 Qf4+ 39.Ke2 Qxg4+ 40.Kd2 
Qf4+ 41.Kd1 Qxf5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Dur, Arne"]
[Black "Twardon, Marian"]
[Result "1/2-1/2"]
[ECO "B57"]
[EventDate "1976.12.21"]
[PlyCount "53"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 Qb6 7.Nb3 e6 8.O-O 
Be7 9.Be3 Qc7 10.Bd3 a6 11.f4 b5 12.Qf3 Bb7 13.Qh3 Nb4 14.Rac1 e5 15.Nd2 
O-O 16.Be2 Rfe8 17.a3 Nc6 18.Nd5 Nxd5 19.exd5 Bc8 20.f5 Nb8 21.c4 Qb7 22.
b4 bxc4 23.Nxc4 Nd7 24.Bf3 Nf6 25.Nb6 e4 26.Nxa8 Qxa8 27.Be2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Georgiev, Krum"]
[Black "Vladimirov, Evgeny"]
[Result "1/2-1/2"]
[WhiteElo "2390"]
[BlackElo "2470"]
[ECO "C01"]
[EventDate "1976.12.21"]
[PlyCount "113"]

1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bd3 Nc6 5.c3 Bd6 6.Ne2 Qf6 7.Nd2 Nge7 8.Nf3 
h6 9.Be3 Bg4 10.Ng3 Bxf3 11.Qxf3 Qxf3 12.gxf3 g6 13.h4 h5 14.O-O-O Nd8 15.
Rde1 Ne6 16.Bc2 c6 17.Kd1 Kd7 18.Bd2 Rhe8 19.Rhg1 Ng8 20.Ne2 Ng7 21.Ref1 
Re6 22.Rh1 Rae8 23.Bd3 Rf6 24.Rh3 Rfe6 25.Bg5 Be7 26.Be3 Bf6 27.Bd2 Ne7 
28.Nf4 Rd6 29.Ng2 Nef5 30.Rfh1 Rde6 31.Ne3 Nd6 32.Rg1 R6e7 33.Rhh1 Rh8 34.
Rg2 Ree8 35.Rgg1 Be7 36.Re1 Bf8 37.Reg1 Ne6 38.Ng2 Bh6 39.Be3 Ng7 40.Kd2 
Ngf5 41.Re1 Re7 42.b3 Rhe8 43.Rhg1 b5 44.Rh1 Re6 45.Rhg1 Rf6 46.Be2 Rfe6 
47.Bxh6 Nxh6 48.Nf4 Rf6 49.Nd3 Kc7 50.Ra1 Nhf5 51.Rh1 a5 52.Bd1 Ng7 53.Rh2
Ne6 54.a4 b4 55.cxb4 Nxd4 56.bxa5 Rxf3 57.Kc3 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Greenberg, Nir"]
[Black "Diesen, Mark"]
[Result "1/2-1/2"]
[BlackElo "2325"]
[ECO "B81"]
[EventDate "1976.12.21"]
[PlyCount "107"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 h6 7.g5 hxg5 8.Bxg5 
Nc6 9.Bg2 Bd7 10.Nb3 a6 11.Qe2 Be7 12.h4 Qc7 13.O-O-O O-O-O 14.f4 Nh5 15.
Bxe7 Nxe7 16.Qf2 Ng6 17.Ne2 Kb8 18.Rh3 Bb5 19.Nbd4 Bxe2 20.Nxe2 Qc5 21.Qf1
Rc8 22.Rd2 Qc4 23.Kb1 Nhxf4 24.Rc3 Qb5 25.Rb3 Qa5 26.Rxd6 Qc5 27.Rd2 Rhd8 
28.e5 b5 29.Rc3 Rxd2 30.Rxc5 Rxc5 31.Nxf4 Nxf4 32.Be4 Rxe5 33.Kc1 Rd4 34.
Qxf4 Rxe4 35.Qxf7 Rg4 36.Qf8+ Kc7 37.Qe7+ Kc6 38.Qe8+ Kc7 39.Qe7+ Kc6 40.
Qa7 Rge4 41.Qxa6+ Kc7 42.b3 Rxh4 43.Qa5+ Kb7 44.a4 Rhh5 45.Qb4 Rc5 46.Qe4+
Rc6 47.axb5 Rxb5 48.b4 g5 49.Kb2 Rf5 50.Kb3 Rf4 51.Qg2 Kb6 52.Qxg5 Rf3+ 
53.Kb2 Rfc3 54.Qa5+ 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Helmers, Knut"]
[Black "Groszpeter, Attila"]
[Result "1/2-1/2"]
[WhiteElo "2265"]
[ECO "E95"]
[EventDate "1976.12.21"]
[PlyCount "58"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Be2 O-O 6.Nf3 Nbd7 7.O-O e5 8.Re1 
exd4 9.Nxd4 Nc5 10.Bf1 Re8 11.f3 c6 12.Be3 a5 13.Qd2 Nfd7 14.Rad1 a4 15.
Qc2 Ne5 16.Kh1 Qa5 17.Rb1 Ne6 18.Red1 Nxd4 19.Bxd4 Be6 20.f4 Nxc4 21.Bxc4 
Bxc4 22.Bxg7 Kxg7 23.Rxd6 Rad8 24.Rxd8 Rxd8 25.Rd1 b5 26.h3 Rxd1+ 27.Qxd1 
Qb4 28.Qd4+ Kg8 29.e5 Qxb2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Kokkinos, Leonidas"]
[Black "Hebert, Jean"]
[Result "0-1"]
[BlackElo "2255"]
[ECO "B11"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 c6 2.Nc3 d5 3.Nf3 Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d4 Bb4 7.Bd3 dxe4 8.Qxe4 
Nf6 9.Qh4 Nbd7 10.O-O Qc7 11.a3 Bd6 12.Ne2 O-O-O 13.c4 h6 14.f3 e5 15.Be3 
exd4 16.Bxd4 Bc5 17.Qf2 Bxd4 18.Nxd4 Ne5 19.Bf5+ Kb8 20.b3 g5 21.Rad1 Nh5 
22.Rfe1 Nf4 23.Rd2 Rhe8 24.Red1 a6 25.Nc2 Rxd2 26.Rxd2 h5 27.c5 Nd5 28.Nb4
Ne7 29.Be4 f5 30.Bc2 f4 31.Be4 g4 32.Nd3 Rg8 33.Kh1 Nxd3 34.Rxd3 Qe5 35.
Qd4 Qg5 36.Qf2 gxh3 37.gxh3 Nf5 38.b4 Ng3+ 39.Kh2 Qe5 40.Rd1 Nxe4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Kouatly, Bachar"]
[Black "Petursson, Margeir"]
[Result "1/2-1/2"]
[WhiteElo "2370"]
[BlackElo "2390"]
[ECO "E30"]
[EventDate "1976.12.21"]
[PlyCount "55"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 b5 7.dxe6 fxe6 8.cxb5 d5
9.e3 O-O 10.Bd3 d4 11.exd4 cxd4 12.a3 Ba5 13.b4 dxc3 14.bxa5 Bb7 15.Ne2 
Bxg2 16.Rg1 Bf3 17.Bc2 Nbd7 18.Qd6 Ne5 19.Rd1 Qxd6 20.Rxd6 Bd5 21.Nd4 Rac8
22.f4 Nc4 23.Nxe6 Nxd6 24.Rxg7+ Kh8 25.Bxf6 Rxf6 26.Rh7+ Kg8 27.Rg7+ Kh8 
28.Rh7+ 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Lo Kim Lin, Frank"]
[Black "Nakano, Mikka"]
[Result "1-0"]
[ECO "C97"]
[EventDate "1976.12.21"]
[PlyCount "93"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 
9.h3 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 Bd7 13.Nf1 Rfe8 14.Ne3 g6 15.d5 Reb8 
16.Nh2 Bf8 17.b3 c4 18.b4 Nb7 19.Neg4 Nxg4 20.Nxg4 Bg7 21.Qf3 Bxg4 22.Qxg4
Qc8 23.Qf3 Qd8 24.g3 a5 25.Kg2 axb4 26.cxb4 Ra6 27.h4 h5 28.Rh1 Qf6 29.Qe2
Bf8 30.g4 Qh8 31.gxh5 Qxh5 32.Qxh5 gxh5 33.Bd1 Rba8 34.a3 c3 35.Rh3 Rc8 
36.Ra2 Rc4 37.Rg3+ Kh8 38.f3 Rxb4 39.Rc2 Rd4 40.Be2 Ra5 41.Rxc3 Nc5 42.Rg5
Be7 43.Rxh5+ Kg7 44.Rc2 Rda4 45.Kh3 Rd4 46.Bxb5 Rxb5 47.Rg2+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Morris, Arthur"]
[Black "Messa, Roberto"]
[Result "0-1"]
[ECO "B70"]
[EventDate "1976.12.21"]
[PlyCount "108"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bc4 c5 5.O-O cxd4 6.Nxd4 Nf6 7.Nc3 O-O 8.h3 
Nc6 9.Be3 Bd7 10.Bb3 Na5 11.f4 e5 12.Nf3 Nxb3 13.axb3 Qc7 14.Qd3 Rfd8 15.
fxe5 dxe5 16.Qe2 Bc6 17.Bg5 h6 18.Bxf6 Bxf6 19.Nh2 Bg5 20.Rad1 Rxd1 21.
Rxd1 Rd8 22.Nd5 Bxd5 23.exd5 Qc5+ 24.Kh1 Rxd5 25.Rxd5 Qxd5 26.Nf3 Bf4 27.
c4 Qd6 28.Qc2 f5 29.c5 Qd5 30.b4 e4 31.Ng1 Bc7 32.Ne2 Qe5 33.g3 Qd5 34.Nc3
Qd3 35.Qxd3 exd3 36.Kg2 Kf7 37.Kf3 h5 38.b5 Ke6 39.c6 bxc6 40.bxc6 Kd6 41.
Nb5+ Kxc6 42.Nxc7 Kxc7 43.h4 Kd6 44.Ke3 g5 45.Kxd3 gxh4 46.gxh4 Ke5 47.Ke3
f4+ 48.Ke2 Ke4 49.Kf2 a5 50.b3 f3 51.Kf1 Ke3 52.Ke1 f2+ 53.Kf1 Kf3 54.b4 
a4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Omuku, Emmanuel"]
[Black "Sequeira, Joao"]
[Result "0-1"]
[ECO "A20"]
[EventDate "1976.12.21"]
[PlyCount "48"]

1.c4 e5 2.g3 Nf6 3.Bg2 c6 4.d3 d5 5.cxd5 cxd5 6.Qc2 Nc6 7.Bd2 Be6 8.Nc3 
Rc8 9.Qa4 Bc5 10.e3 O-O 11.a3 d4 12.exd4 Nxd4 13.Qd1 Bb3 14.Qc1 Nc2+ 15.
Ke2 Nxa1 16.Qxa1 Bc2 17.Nf3 Qxd3+ 18.Ke1 Ng4 19.Rf1 e4 20.Ne5 Nxe5 21.Bxe4
Nf3+ 22.Bxf3 Qxf3 23.Qc1 Rfe8+ 24.Be3 Bxe3 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Popovic, Petar"]
[Black "Foisor, Ovidiu"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[ECO "E73"]
[EventDate "1976.12.21"]
[PlyCount "33"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 h6 7.Be3 Nbd7 8.h4 e5 
9.h5 g5 10.d5 Nc5 11.Bxc5 dxc5 12.Qc2 Ne8 13.Bd3 Nd6 14.Nge2 a6 15.Ng3 Re8
16.O-O Bd7 17.Nd1 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Rayner, Emmanuel"]
[Black "Zapata Ramirez, Alonso"]
[Result "1/2-1/2"]
[BlackElo "1900"]
[ECO "B42"]
[EventDate "1976.12.21"]
[PlyCount "43"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Qc7 6.O-O b5 7.a4 b4 8.Be3 Bb7 
9.Nd2 Nf6 10.f4 Nc6 11.Qf3 Bc5 12.N4b3 Bxe3+ 13.Qxe3 d6 14.Qg3 O-O 15.Rae1
Ne7 16.e5 Ne8 17.Kh1 g6 18.Nd4 Rd8 19.N2f3 Ng7 20.Qh4 h5 21.Qg5 Kh7 22.Qf6
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Salazar Jacob, Hernan"]
[Black "Van Egmond, Peter"]
[Result "0-1"]
[ECO "C84"]
[EventDate "1976.12.21"]
[PlyCount "110"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d4 exd4 6.O-O Be7 7.Re1 b5 8.e5 
Nxe5 9.Rxe5 bxa4 10.Nxd4 O-O 11.Nc3 Bb7 12.Nf5 Re8 13.Bg5 Bf8 14.Qd4 $2 
Rxe5 15.Qxe5 Ng4 16.Bxd8 Nxe5 17.Bxc7 Nc4 18.Nxa4 Rc8 19.Bf4 Bc6 20.b3 
Bxa4 21.bxa4 Nb6 22.Rb1 Nxa4 23.Kf1 Nc3 24.Rb7 Nd5 25.Bd6 g6 26.Bxf8 Kxf8 
27.Rxd7 gxf5 28.Rxd5 Rxc2 29.Ra5 Rc6 30.a4 Rf6 31.Re5 Kg7 32.Ke2 Kg6 33.
Kd3 Rb6 34.Kc3 Rc6+ 35.Kb3 Rb6+ 36.Ka3 Rb1 37.Re2 a5 38.Rb2 Rh1 39.Kb3 
Rxh2 40.g3 f4 41.Kc4 fxg3 42.Rb6+ f6 43.fxg3 Rh5 44.Rb5 Rg5 45.Rb3 Kh5 46.
Rf3 Kg4 47.Rxf6 h5 48.Rb6 Kxg3 49.Rb5 Kf4 50.Kd4 h4 51.Rb8 h3 52.Rh8 Kg3 
53.Rb8 h2 54.Rb1 Kg2 55.Rb2+ Kh3 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Schussler, Harry"]
[Black "Oltra Caurin, Ramon"]
[Result "1/2-1/2"]
[WhiteElo "2335"]
[ECO "B15"]
[EventDate "1976.12.21"]
[PlyCount "93"]

1.e4 c6 2.d4 g6 3.Nc3 d5 4.h3 Bg7 5.Nf3 Nf6 6.Bd3 dxe4 7.Nxe4 Nxe4 8.Bxe4 
Qc7 9.O-O O-O 10.Re1 Nd7 11.Bg5 e5 12.Qd2 exd4 13.Nxd4 Nc5 14.Bh6 Qe5 15.
Nxc6 Qxb2 16.Ne7+ Kh8 17.Bxg7+ Kxg7 18.Bf3 Be6 19.Rab1 Qf6 20.Nd5 Bxd5 21.
Bxd5 Rad8 22.c4 b6 23.Re3 Ne6 24.Rbe1 Rd7 25.Rf3 Qd4 26.Rd3 Qf6 27.Rf3 Qd4
28.Qc1 Nc7 29.Re4 Rxd5 30.Rxd4 Rxd4 31.Rf4 Rxf4 32.Qxf4 Ne6 33.Qe5+ Kg8 
34.h4 Rc8 35.Qd5 Kg7 36.Kf1 Rc5 37.Qd3 h5 38.Ke1 Ra5 39.a3 Re5+ 40.Kd1 Rf5
41.f3 Rc5 42.g3 Rc8 43.Qb3 Rc5 44.Kd2 Rf5 45.Qc3+ Kg8 46.Kc1 Rc5 47.a4 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Sisniega Campbell, Marcel"]
[Black "Rogers, Ian"]
[Result "1-0"]
[WhiteElo "2345"]
[ECO "D42"]
[EventDate "1976.12.21"]
[PlyCount "113"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.cxd5 Nxd5 8.Bd3 
Nc6 9.O-O a6 10.Re1 Ncb4 11.Bb1 f5 12.a3 Nxc3 13.bxc3 Nd5 14.Qd3 O-O 15.c4
Nc7 16.Ba2 b5 17.Rb1 Kh8 18.Ne5 Bb7 19.Qh3 Kg8 20.cxb5 axb5 21.Rxb5 Rb8 
22.Rb3 Bf6 23.Be3 Bxe5 24.dxe5 Bd5 25.Rxb8 Qxb8 26.Bb1 Qb2 27.Bc5 Rb8 28.
Bd3 Bxg2 29.Kxg2 Nd5 30.Kf1 Rb3 31.Qh5 Rb8 32.Qh4 Qd2 33.Bc4 Nf4 34.Qe7 
Qc3 35.Bxe6+ Kh8 36.Bxf5 Qf3 37.Be4 Qg4 38.Be3 Qh3+ 39.Kg1 Qg4+ 40.Kh1 Ng6
41.f3 Qxe4 42.fxe4 Nxe7 43.a4 Ra8 44.Bc5 Nc6 45.e6 Re8 46.Rf1 Kg8 47.Bd6 
h6 48.Rc1 Na7 49.Rc7 Nc8 50.Bc5 Kh7 51.a5 Kg6 52.Bd4 Kh5 53.a6 Kg4 54.a7 
Nxa7 55.Rxa7 Rxe6 56.Rxg7+ Kf3 57.Rg3+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Smith, Alvin Louis"]
[Black "Klauner, Theodore"]
[Result "1-0"]
[ECO "B92"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.Be3 
O-O 9.O-O b5 10.a3 Bb7 11.f3 Nbd7 12.Qd2 Qc7 13.Rfd1 Nb6 14.Na5 Rac8 15.
Nxb7 Qxb7 16.Bxb6 Qxb6+ 17.Kh1 Qc6 18.Rac1 Rfd8 19.Nd5 Nxd5 20.exd5 Qc5 
21.c4 Qf2 22.cxb5 axb5 23.Rc6 Rb8 24.Bf1 Qh4 25.Qe1 Qa4 26.Rdc1 Qb3 27.Qd2
h6 28.R1c3 Qa4 29.Qc2 Qd4 30.Qd3 Qf2 31.Rc2 Qh4 32.Qe4 Qg5 33.Bd3 g6 34.
Qe2 b4 35.a4 Bf8 36.Bb5 Qe7 37.R2c4 Qa7 38.Rxb4 Rbc8 39.Rxc8 Rxc8 40.Rc4 
Rxc4 {Time} 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Tonoli, Walter"]
[Black "Upton, Timothy"]
[Result "1/2-1/2"]
[ECO "C69"]
[EventDate "1976.12.21"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 6.d4 Bg4 7.dxe5 Qxd1 8.
Rxd1 fxe5 9.Rd3 Bd6 10.Nbd2 b5 11.b3 Nf6 12.Bb2 Nd7 13.Ne1 O-O 14.Rg3 Bh5 
15.Nd3 Be2 16.Re1 Bxd3 17.Rxd3 Nb6 18.Nf3 Rfe8 19.Bc1 c5 20.Be3 a5 21.Red1
Bf8 22.R3d2 a4 23.Ne1 axb3 24.axb3 c4 25.Bxb6 cxb6 26.Rd5 Bc5 27.Rb1 Rad8 
28.Rxd8 Rxd8 29.Nf3 c3 30.Ra1 g6 31.Kf1 Kg7 32.Ke2 Kf6 33.Rd1 Rxd1 34.Kxd1
Bxf2 35.b4 Be3 36.Ke2 Bd2 37.Nxd2 cxd2 38.Kxd2 Ke6 39.Ke3 g5 40.Kf3 h5 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Weidemann, Jorg"]
[Black "Kristensen, Leif"]
[Result "1/2-1/2"]
[ECO "B22"]
[EventDate "1976.12.21"]
[PlyCount "22"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 e6 5.Nf3 Nf6 6.Be2 Nc6 7.Na3 Qd8 8.Nc2 
Be7 9.O-O O-O 10.Re1 b6 11.Bf1 Bb7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Wong, Sheldon"]
[Black "Girault, Eric"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "123"]

1.e4 d6 2.d4 g6 3.Nc3 Bg7 4.Nf3 Nf6 5.h3 O-O 6.Be3 c6 7.Bd3 Qc7 8.O-O e5 
9.Qd2 Nbd7 10.Bh6 b5 11.Ne2 Nb6 12.b3 Re8 13.Bxg7 Kxg7 14.Ng3 Be6 15.dxe5 
dxe5 16.Qg5 h6 17.Qxe5 Qxe5 18.Nxe5 Bxh3 19.Nxc6 Bd7 20.Nd4 a6 21.Rfe1 
Rad8 22.f3 Bc8 23.Nge2 Bb7 24.Kf2 Nbd7 25.Rad1 Ne5 26.b4 Rc8 27.Nb3 Ned7 
28.Na5 Ba8 29.c4 bxc4 30.Bxc4 Rb8 31.a3 Rb6 32.Nf4 Ne5 33.Bb3 Rc8 34.Nd3 
Nfd7 35.f4 Ng4+ 36.Kg3 h5 37.Nc4 Rbc6 38.Nf2 Ndf6 39.e5 Nxf2 40.exf6+ Rxf6
41.Kxf2 Rxf4+ 42.Kg1 Rfxc4 43.Bxc4 Rxc4 44.Rc1 Rg4 45.Re2 Rg3 46.Ra1 h4 
47.Kh2 g5 48.a4 Rb3 49.b5 axb5 50.axb5 Bb7 51.Ra7 Rxb5 52.Re7 Bd5 53.Re5 
Kf6 54.Re2 g4 55.Ra4 Kg5 56.Ra1 g3+ 57.Kg1 f5 58.Rd1 Be4 59.Rde1 Rb4 60.
Ra2 Kg4 61.Rf1 f4 62.Rd2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.03"]
[Round "12"]
[White "Yap, Andronico"]
[Black "Marrero Martin, Miguel"]
[Result "1-0"]
[ECO "B22"]
[EventDate "1976.12.21"]
[PlyCount "59"]

1.e4 c5 2.Nf3 e6 3.c3 Nf6 4.e5 Nd5 5.c4 Nc7 6.d4 d5 7.exd6 Bxd6 8.Nc3 cxd4
9.Qxd4 O-O 10.Bd3 Nc6 11.Qe3 e5 12.c5 Be7 13.O-O Bf6 14.Rd1 Qe7 15.Be4 Bg4
16.Bxh7+ Kxh7 17.Qe4+ Kg8 18.Qxg4 Rad8 19.Be3 Nd4 20.Rac1 Nce6 21.Bxd4 
exd4 22.Ne4 Rd5 23.c6 bxc6 24.Rxc6 Rfd8 25.Rd3 g6 26.Rxe6 fxe6 27.Qxg6+ 
Bg7 28.Nfg5 Rf5 29.Rh3 d3 30.Rh8+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Ammann, Philipp"]
[Black "Weidemann, Jorg"]
[Result "0-1"]
[WhiteElo "2220"]
[ECO "A87"]
[EventDate "1976.12.21"]
[PlyCount "94"]

1.Nf3 f5 2.g3 Nf6 3.Bg2 d6 4.d4 g6 5.O-O Bg7 6.c4 O-O 7.d5 Na6 8.Nc3 Bd7 
9.Nd4 Qe8 10.Rb1 c6 11.Re1 Nc5 12.b4 Nce4 13.Nxe4 fxe4 14.Nc2 cxd5 15.cxd5
Ba4 16.Bh3 Rc8 17.Be6+ Kh8 18.Rb2 Nd7 19.Qd2 Bc3 20.Qe3 Rc4 21.Na3 Bxe1 
22.Nxc4 Bxf2+ 23.Qxf2 Rxf2 24.Kxf2 Nf8 25.Be3 Nxe6 26.dxe6 Qc8 27.Bd4+ Kg8
28.Ne3 Qxe6 29.b5 b6 30.Kg2 Qd7 31.Nd5 Kf7 32.Nc3 Qc8 33.Nxa4 Qc4 34.Bxb6 
Qxa4 35.Bxa7 Qxa7 36.b6 Qb7 37.a4 e3+ 38.Kh3 Qh1 39.Rb5 Qf1+ 40.Kh4 Qxe2 
41.b7 Qxh2+ 42.Kg4 h5+ 43.Kg5 Qxg3+ 44.Kh6 Qf4+ 45.Kh7 Qf6 46.Kh6 Qh8+ 47.
Kg5 e2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Baart, Joan"]
[Black "Azadharf, Farrokh"]
[Result "1-0"]
[ECO "A22"]
[EventDate "1976.12.21"]
[PlyCount "61"]

1.c4 e5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Ne7 6.Nf3 Nbc6 7.d3 g6 8.Bg5 
Bg7 9.Qc1 h6 10.Bd2 Nd4 11.Nxd4 exd4 12.Ne4 c6 13.Bf4 Qa5+ 14.Kf1 Nf5 15.
h4 O-O 16.g4 Ne7 17.b4 Qd8 18.Bxh6 f5 19.Qc4+ Nd5 20.Bxg7 Kxg7 21.Qxd4+ 
Kg8 22.Ng5 fxg4 23.Bxd5+ cxd5 24.Rc1 b6 25.Rc6 Bf5 26.e4 Qd7 27.b5 dxe4 
28.Qc4+ Kh8 29.dxe4 Qd1+ 30.Kg2 Bxe4+ 31.Qxe4 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Binham, Timothy"]
[Black "Schussler, Harry"]
[Result "0-1"]
[WhiteElo "2340"]
[BlackElo "2335"]
[ECO "B06"]
[EventDate "1976.12.21"]
[PlyCount "54"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.Be3 c6 5.g3 Nf6 6.h3 O-O 7.Bg2 d5 8.e5 Ne8 9.
f4 b6 10.Nge2 Nc7 11.O-O f5 12.exf6 exf6 13.f5 Bxf5 14.Nf4 Bc8 15.g4 f5 
16.g5 Be6 17.h4 Bf7 18.Qf3 Nd7 19.Rad1 Ne8 20.h5 Nd6 21.Qh3 Re8 22.hxg6 
hxg6 23.Rf2 Nf8 24.Bc1 a5 25.Nce2 Nh7 26.Nd3 Ne4 27.Bxe4 dxe4 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Chandler, Murray Graham"]
[Black "Popovic, Petar"]
[Result "0-1"]
[WhiteElo "2385"]
[BlackElo "2405"]
[ECO "A01"]
[EventDate "1976.12.21"]
[PlyCount "98"]

1.b3 e5 2.Bb2 Nc6 3.e3 Nf6 4.Bb5 Qe7 5.Ne2 g6 6.f4 exf4 7.Nxf4 Ne5 8.O-O 
Bg7 9.Ba3 Qd8 10.d4 Nc6 11.Qf3 Ne7 12.e4 O-O 13.e5 Ne8 14.Nd5 d6 15.Bxe8 
Rxe8 16.Nxc7 Nf5 17.Nxe8 Qxe8 18.c3 dxe5 19.Re1 Qd8 20.dxe5 Be6 21.Qf2 Bh6
22.Bc1 Bf8 23.Nd2 Bg7 24.Bb2 h5 25.c4 h4 26.Ne4 h3 27.Rad1 Qe7 28.g3 $2 b6
29.c5 bxc5 30.Nxc5 Rc8 31.b4 Bh6 32.a4 Rxc5 33.Qxc5 $4 Qb7 34.Re2 Be3+ 35.
Qxe3 Nxe3 36.Rd8+ Kh7 37.Bc1 Qf3 38.Rf2 Qe4 39.Re2 Qb1 40.Re1 Nd5 41.Rf1 
Qxb4 42.Bg5 Qb2 43.Rf2 Qb1+ 44.Rf1 Qb2 45.Rf2 Qxe5 46.Bc1 Qe1+ 47.Rf1 Qe2 
48.Rf2 Qd1+ 49.Rf1 Qc2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Diesen, Mark"]
[Black "Sisniega Campbell, Marcel"]
[Result "1-0"]
[WhiteElo "2325"]
[BlackElo "2345"]
[ECO "C06"]
[EventDate "1976.12.21"]
[PlyCount "83"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.c3 c5 6.Bd3 Nc6 7.Ne2 cxd4 8.cxd4 f6
9.exf6 Nxf6 10.Nf3 Bd6 11.O-O Qc7 12.Nc3 a6 13.Bg5 O-O 14.Bh4 Bd7 15.Re1 
Rae8 16.Rc1 Qb6 17.Na4 Qa5 18.Nc3 Nb4 19.a3 Nxd3 20.Qxd3 Nh5 21.Bg3 Nxg3 
22.hxg3 Qb6 23.Re2 Rf5 24.Rce1 Ref8 25.g4 R5f6 26.Re3 Bf4 27.R3e2 Rg6 28.
g5 Qd8 29.g3 Bxg5 30.Ne5 Rh6 31.Ng4 Rg6 32.Ne5 Rh6 33.Ng4 Rh5 34.Re5 Be8 
35.Qe2 Bf4 36.Rxh5 Bxh5 37.gxf4 Rxf4 38.Nh6+ gxh6 39.Qxh5 Qf6 40.Qe8+ Kg7 
41.Qxe6 Rxd4 42.Qd7+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Foisor, Ovidiu"]
[Black "Helmers, Knut"]
[Result "1/2-1/2"]
[BlackElo "2265"]
[ECO "E81"]
[EventDate "1976.12.21"]
[PlyCount "47"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nbd7 7.Qd2 c5 8.d5 a6 9.
h4 h5 10.Bh6 Qa5 11.g4 b5 12.Bxg7 Kxg7 13.g5 Ne8 14.f4 Nc7 15.Nf3 bxc4 16.
Bh3 Nb5 17.O-O Ne5 18.fxe5 Bxh3 19.Rf2 Bg4 20.exd6 exd6 21.Raf1 Rae8 22.
Qf4 Bxf3 23.Qxf3 Qc7 24.Qe2 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Ftacnik, Lubomir"]
[Black "Greenberg, Nir"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[ECO "E97"]
[EventDate "1976.12.21"]
[PlyCount "97"]

1.c4 Nf6 2.Nf3 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 e5 7.O-O Nc6 8.dxe5 
dxe5 9.Bg5 Qxd1 10.Rfxd1 Bg4 11.h3 Bxf3 12.Bxf3 h6 13.Bxf6 Bxf6 14.Rd7 
Rac8 15.Rad1 Nb8 16.R7d3 c6 17.a3 Rcd8 18.Rxd8 Rxd8 19.Rxd8+ Bxd8 20.Bg4 
Bg5 21.Bc8 Bc1 22.Nd1 b6 23.Kf1 Kf8 24.Ke2 Ke7 25.Kd3 Kd8 26.Bg4 h5 27.Bf3
Nd7 28.Kc2 Bg5 29.Nc3 Nc5 30.g3 Ne6 31.Ne2 h4 32.b3 Kc7 33.Bg4 Ng7 34.Kd3 
Kd6 35.b4 Be7 36.Nc1 f5 37.Bf3 Ne6 38.Ne2 Kd7 39.g4 Ng5 40.Ng1 f4 41.Bg2 
a5 42.Kc3 Bd6 43.Kb3 axb4 44.axb4 Ne6 45.Nf3 Nd4+ 46.Nxd4 exd4 47.c5 bxc5 
48.bxc5 Bxc5 49.f3 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Girault, Eric"]
[Black "Morris, Arthur"]
[Result "0-1"]
[ECO "E97"]
[EventDate "1976.12.21"]
[PlyCount "60"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Nd2 Ne8 10.b4 f5 11.c5 Nf6 12.f3 f4 13.Nc4 g5 14.cxd6 cxd6 15.Nb5 Ne8 
16.a4 h5 17.Ba3 Rf6 18.Rc1 Rg6 19.h3 Kh8 20.Kf2 g4 21.hxg4 hxg4 22.Rh1+ 
Kg8 23.Qd3 gxf3 24.gxf3 Rg3 25.Rcg1 Ng6 26.Ke1 a6 27.Nc3 Qg5 28.Rxg3 fxg3 
29.Qe3 Nf4 30.Bc1 Ng2+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Groszpeter, Attila"]
[Black "Van Egmond, Peter"]
[Result "1-0"]
[ECO "C88"]
[EventDate "1976.12.21"]
[PlyCount "65"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 Bb7
9.d3 d6 10.c3 Nd7 11.Nbd2 Bf6 12.Nf1 Ne7 13.Ne3 Ng6 14.Nd5 h6 15.g3 c6 16.
Nxf6+ Nxf6 17.h4 c5 18.Nh2 Qc7 19.h5 Ne7 20.Qe2 d5 21.exd5 Nexd5 22.axb5 
axb5 23.Rxa8 Rxa8 24.Nf3 Qd7 25.Nxe5 Qh3 26.Qf3 Ra1 27.Bd2 Rxe1+ 28.Bxe1 
Nf4 29.Bxf7+ Kh7 30.Bg6+ Kh8 31.Be4 Nxd3 32.Ng6+ Kh7 33.Bxd3 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Hebert, Jean"]
[Black "Dur, Arne"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[ECO "B31"]
[EventDate "1976.12.21"]
[PlyCount "37"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.c3 Nf6 6.Re1 O-O 7.d4 cxd4 8.cxd4 
d5 9.e5 Ne4 10.h3 Qb6 11.Bxc6 bxc6 12.Nc3 Nxc3 13.bxc3 Qa5 14.Bg5 f6 15.
exf6 exf6 16.Bf4 Bf5 17.Qb3 Qb6 18.Re7 Rf7 19.Re3 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Klauner, Theodore"]
[Black "Avgoustinos, Avgousti"]
[Result "1/2-1/2"]
[ECO "A34"]
[EventDate "1976.12.21"]
[PlyCount "88"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 c5 4.g3 g6 5.Bg2 Bg7 6.O-O O-O 7.d4 Qe7 8.Bf4 Nh5 
9.Bg5 Bf6 10.Bxf6 Nxf6 11.Nb5 d5 12.dxc5 Qxc5 13.Qd4 Qxd4 14.Nfxd4 Na6 15.
cxd5 Nxd5 16.e4 Ndc7 17.Rac1 Nxb5 18.Nxb5 Bd7 19.Nd6 e5 20.Rfd1 Be6 21.a3 
b6 22.b4 Rfd8 23.Bf1 Nb8 24.Nb5 Rxd1 25.Rxd1 Nc6 26.Nc7 Rd8 27.Rxd8+ Nxd8 
28.Nxe6 Nxe6 29.Be2 Nd4 30.Bd1 f5 31.exf5 gxf5 32.f3 Kf7 33.Kf2 Ke6 34.Ke3
Kd5 35.Kd3 e4+ 36.fxe4+ fxe4+ 37.Ke3 Ke5 38.g4 a5 39.bxa5 bxa5 40.Ba4 h6 
41.h4 h5 42.gxh5 Nf5+ 43.Kf2 Kf4 44.Bd1 Nh6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Kouatly, Bachar"]
[Black "Georgiev, Krum"]
[Result "1-0"]
[WhiteElo "2370"]
[BlackElo "2390"]
[ECO "E77"]
[EventDate "1976.12.21"]
[PlyCount "105"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Be2 a6 7.a4 Nbd7 8.g4 e5 9.
dxe5 dxe5 10.g5 Ne8 11.f5 gxf5 12.exf5 f6 13.g6 Nd6 14.c5 Nxc5 15.Qd5+ Kh8
16.Qxc5 Nxf5 17.Nf3 hxg6 18.Qf2 Be6 19.Rg1 Bf7 20.Nh4 Ne7 21.Be3 b6 22.Bf3
Rb8 23.Rd1 Qe8 24.Nd5 Nxd5 25.Nxg6+ Bxg6 26.Qh4+ Bh7 27.Bh5 Nxe3 28.Bxe8 
Nf5 29.Qh5 Rbxe8 30.Rd3 Re7 31.Rg6 Nh6 32.Rxh6 Bxh6 33.Qxh6 Ref7 34.h4 f5 
35.h5 f4 36.Rc3 Re8 37.Qc6 Rg8 38.Qe6 Rf5 39.Rxc7 Rgf8 40.Qh6 R5f7 41.Rxf7
Rxf7 42.Qe6 Kg8 43.Qxe5 f3 44.Kf2 Bd3 45.Qe8+ Rf8 46.Qe6+ Rf7 47.Qc8+ Kh7 
48.Qe6 Kg8 49.h6 b5 50.Qxa6 Kh7 51.Qd6 Be2 52.a5 Ra7 53.Qc5 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Leow, Leslie"]
[Black "Vladimirov, Evgeny"]
[Result "1/2-1/2"]
[WhiteElo "2280"]
[BlackElo "2470"]
[ECO "C67"]
[EventDate "1976.12.21"]
[PlyCount "77"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.
dxe5 Nf5 9.Qe4 g6 10.Nd4 Ng7 11.Rd1 Bb7 12.Bh6 O-O 13.Nb3 Qe8 14.Nc3 Bc8 
15.Re1 Rb8 16.Bxg7 Kxg7 17.Qd4 Rb6 18.Ne4 Qd8 19.Rad1 Kg8 20.c4 a5 21.Re3 
d5 22.exd6 cxd6 23.Nxa5 Ra6 24.b4 c5 25.Qd5 Be6 26.Qb7 Bc8 27.Qd5 Qb6 28.
a3 Be6 29.Qb7 Qxb7 30.Nxb7 cxb4 31.axb4 Bxc4 32.Nexd6 Bxd6 33.Nxd6 Rd8 34.
Re8+ Rxe8 35.Nxe8 Kf8 36.Nd6 Be2 37.b5 Rb6 38.Rd5 Bg4 39.f3 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Marrero Martin, Miguel"]
[Black "Karaosmanoglu, Sedat"]
[Result "1/2-1/2"]
[ECO "C05"]
[EventDate "1976.12.21"]
[PlyCount "26"]

1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.f4 c5 6.c3 Nc6 7.Ndf3 Qa5 8.Kf2 Be7 
9.Bd3 b5 10.Ne2 b4 11.g4 bxc3 12.bxc3 f6 13.Kg2 Ba6 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Messa, Roberto"]
[Black "Salazar Jacob, Hernan"]
[Result "0-1"]
[ECO "B21"]
[EventDate "1976.12.21"]
[PlyCount "30"]

1.e4 c5 2.d4 cxd4 3.c3 dxc3 4.Nxc3 Nc6 5.Nf3 d6 6.Bc4 e6 7.O-O Nf6 8.Qe2 
Be7 9.Rd1 e5 10.Be3 O-O 11.Rac1 Ng4 12.Bc5 Na5 13.Nb5 Nxc4 14.Qxc4 Be6 15.
Qb4 $4 dxc5 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Mestel, Andrew Jonathan"]
[Black "Vera Gonzalez, Reynaldo"]
[Result "1-0"]
[WhiteElo "2390"]
[ECO "A09"]
[EventDate "1976.12.21"]
[PlyCount "121"]

1.Nf3 d5 2.c4 d4 3.g3 c5 4.b4 cxb4 5.a3 b3 6.d3 Nc6 7.Nbd2 Nf6 8.Bg2 e5 9.
O-O Be7 10.Nxb3 O-O 11.Ne1 Bg4 12.f4 exf4 13.Bxf4 Re8 14.h3 Bh5 15.Nc2 Qd7
16.g4 Bg6 17.Qe1 Rad8 18.Qf2 h5 19.g5 Nh7 20.h4 f6 21.Qg3 fxg5 22.hxg5 Qg4
23.Qxg4 hxg4 24.Bd5+ Kh8 25.Kg2 Bxg5 26.Nbxd4 Nxd4 27.Nxd4 Bf6 28.Ne6 Bxa1
29.Rxa1 Rd7 30.e4 Rxe6 31.Bxe6 Rxd3 32.Bd5 Nf6 33.Rh1+ Rh3 34.Rxh3+ gxh3+ 
35.Kf3 Nxd5 36.cxd5 Kg8 37.e5 Kf7 38.Bg3 Bf5 39.Ke3 g6 $2 40.Kd4 Ke7 41.
Kc5 Bg4 42.a4 g5 43.Kd4 b6 44.Kc4 Be2+ 45.Kd4 Bg4 46.Ke4 Bd7 47.Kf3 Bxa4 
48.Kg4 Bd7+ 49.Kxg5 a5 50.Kf4 a4 51.Kf3 Bg4+ $4 52.Kxg4 a3 53.Bh4+ Kf7 54.
e6+ Kg7 55.e7 h2 56.e8=Q h1=Q 57.Qe7+ Kg8 58.Qe6+ Kf8 59.Be7+ Kg7 60.Bf6+ 
Kg6 61.Be5+ 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Nakano, Mikka"]
[Black "Wong, Sheldon"]
[Result "0-1"]
[ECO "E58"]
[EventDate "1976.12.21"]
[PlyCount "104"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nf3 d5 6.Bd3 Nc6 7.a3 Bxc3+ 8.bxc3 
O-O 9.O-O Re8 10.Re1 b6 11.Bd2 Qc7 12.Rc1 Na5 13.cxd5 c4 14.Bc2 exd5 15.
Ne5 h5 16.Ba4 Re7 17.Rb1 Bf5 18.Bc2 Bxc2 19.Qxc2 Nb3 20.f3 Nd7 21.Nxd7 
Qxd7 22.e4 Rae8 23.Rbd1 Qd6 24.Bc1 Qg6 25.Re2 dxe4 26.fxe4 Rxe4 27.Rxe4 
Rxe4 28.Qf2 h4 29.Be3 Qd6 30.Rf1 f6 31.Qf3 Qe7 32.Kf2 Na5 33.Rb1 Nb3 34.
Rd1 g5 35.g4 Kg7 36.h3 Re6 37.d5 Rd6 38.Re1 Qe5 39.Bd4 Nxd4 40.Rxe5 Nxf3 
41.Re7+ Kf8 42.Rxa7 Ne5 43.Rb7 Nd7 44.Rc7 b5 45.a4 bxa4 46.Rxc4 Nb6 47.Rb4
a3 48.Rb5 Nxd5 49.Ra5 Nxc3 50.Rxa3 Rd3 51.Ra6 Kg7 52.Kg2 Ne2 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Oltra Caurin, Ramon"]
[Black "Chaves, Jaime Augusto"]
[Result "0-1"]
[ECO "B08"]
[EventDate "1976.12.21"]
[PlyCount "76"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bg5 O-O 6.Qd2 c6 7.Be2 b5 8.a3 a6 9.
O-O Qc7 10.Rad1 Nbd7 11.Rfe1 e5 12.Bf1 Re8 13.d5 c5 14.h3 Nb6 15.Ra1 Rb8 
16.b3 Bd7 17.Qe3 Nh5 18.a4 b4 19.a5 Nc8 20.Nd1 Bb5 21.Nd2 f5 22.g4 fxg4 
23.hxg4 Nf4 24.Ra2 Rf8 25.f3 Bf6 26.Bxf6 Rxf6 27.Nf2 Qg7 28.Nc4 Qh6 29.Nd3
Bxc4 30.bxc4 Nh3+ 31.Bxh3 Qxh3 32.Rf1 Rf7 33.c3 bxc3 34.Qg5 Rxf3 35.Qd8+ 
Kg7 36.Qc7+ Ne7 37.Qxe7+ Kh8 38.Rxf3 Rb1+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Omuku, Emmanuel"]
[Black "Kokkinos, Leonidas"]
[Result "0-1"]
[ECO "A17"]
[EventDate "1976.12.21"]
[PlyCount "92"]

1.c4 Nf6 2.Nc3 e6 3.e3 d5 4.cxd5 exd5 5.d4 c5 6.dxc5 Bxc5 7.Nf3 O-O 8.Be2 
Nc6 9.a3 Re8 10.b4 Bd6 11.O-O Bb8 12.Bb2 a6 13.Qd3 Qd6 14.h3 Ne5 15.Nxe5 
Qxe5 16.f4 Qxe3+ 17.Qxe3 Rxe3 18.Bf3 Ba7 19.Kh2 d4 20.Ne2 d3 21.Bxf6 dxe2 
22.Rfe1 gxf6 23.Rxe2 Rxe2 24.Bxe2 Be6 25.Bf3 Rb8 26.Rd1 Kf8 27.g4 f5 28.
gxf5 Bxf5 29.Rd5 Be6 30.Rh5 Kg7 31.Be4 h6 32.f5 Bd7 33.f6+ Kxf6 34.Rxh6+ 
Ke5 35.Bg2 Be3 36.Rh5+ Bf5 37.Bf3 Kf6 38.a4 b6 39.Be2 Rg8 40.Rh4 Ke5 41.
Rh5 Bf4+ 42.Kh1 Kf6 43.Bf3 Rg3 44.Bg2 Rb3 45.Bf1 Rb2 46.Rh4 Be4+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Petursson, Margeir"]
[Black "Campora, Daniel Hugo"]
[Result "0-1"]
[WhiteElo "2390"]
[ECO "C55"]
[EventDate "1976.12.21"]
[PlyCount "56"]

1.e4 e5 2.Bc4 Nf6 3.d4 exd4 4.Nf3 Nc6 5.e5 d5 6.Bb5 Ne4 7.O-O Be7 8.Nxd4 
Bd7 9.Nxc6 bxc6 10.Be2 O-O 11.Nd2 f5 12.exf6 Nxf6 13.Nf3 Bd6 14.b3 Qe7 15.
Be3 Rae8 16.Re1 Ne4 17.Qd3 Qf7 18.Bd4 c5 19.Bb2 Bf5 20.Qd1 Bg4 21.Rf1 c6 
22.Qd3 Bxf3 23.Qxf3 Bxh2+ 24.Kh1 Qe7 25.Qh5 Bg3 26.Bd3 Rf4 27.Kg1 Rh4 28.
Qf3 Rh1+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Rogers, Ian"]
[Black "Kristensen, Leif"]
[Result "0-1"]
[ECO "E94"]
[EventDate "1976.12.21"]
[PlyCount "82"]

1.d4 g6 2.e4 Bg7 3.c4 d6 4.Nc3 Nd7 5.Nf3 e5 6.Be2 Ngf6 7.O-O c6 8.Qc2 O-O 
9.Rd1 Re8 10.b3 exd4 11.Nxd4 a6 12.Bf1 c5 13.Nde2 Nxe4 14.Nxe4 Bxa1 15.Bg5
f6 16.Bh6 Be5 17.f4 Bd4+ 18.Nxd4 cxd4 19.Rxd4 Qe7 20.Kh1 Nc5 21.Nxd6 Rd8 
22.Qd2 Bf5 23.h3 Ne4 24.Rxe4 Bxe4 25.c5 Rxd6 26.cxd6 Qd7 27.Bc4+ Kh8 28.
Kh2 b5 29.Be2 Re8 30.Qd4 Re6 31.Bf8 Kg8 32.Be7 Bxg2 33.Bg4 f5 34.Bxf5 gxf5
35.Kxg2 Qc6+ 36.Kf2 Qh1 37.d7 Qh2+ 38.Kf3 Qxh3+ 39.Kf2 Qh2+ 40.Kf3 Qe2+ 
41.Kg3 Qg4+ 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Sellos, Didier"]
[Black "Rayner, Emmanuel"]
[Result "1-0"]
[ECO "B42"]
[EventDate "1976.12.21"]
[PlyCount "65"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Bd3 a6 6.O-O Qc7 7.Qe2 d6 8.c4 
Nbd7 9.Nc3 b6 10.Bg5 Be7 11.Rae1 Bb7 12.Kh1 Ne5 13.f4 Nxd3 14.Qxd3 Rd8 15.
Qe2 O-O 16.Rf3 Rfe8 17.Rg3 Kh8 18.Rh3 g6 19.Qf2 Nh5 20.g4 Ng7 21.Rh6 f6 
22.Qh4 fxg5 23.Rxh7+ Kg8 24.fxg5 Qxc4 25.Rxg7+ Kxg7 26.Qh6+ Kg8 27.Qxg6+ 
Kh8 28.Qh6+ Kg8 29.g6 Bxe4+ 30.Nxe4 e5 31.Qh7+ Kf8 32.Qh8+ Qg8 33.Ne6# 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Sequeira, Joao"]
[Black "Dunne, David Joseph"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1976.12.21"]
[PlyCount "55"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.g3 Bg7 5.Bg2 O-O 6.Nge2 Nbd7 7.O-O e5 8.dxe5 
dxe5 9.h3 c6 10.Be3 Re8 11.a4 a5 12.Qd2 Nf8 13.Rad1 Be6 14.b3 Qxd2 15.Rxd2
Red8 16.Rfd1 Rxd2 17.Rxd2 N8d7 18.Nc1 Bf8 19.Nd3 Ne8 20.g4 f6 21.f4 Bh6 
22.Nd1 exf4 23.Nxf4 Nf8 24.Bf1 Bf7 25.h4 Ng7 26.Rd6 Ne8 27.Rd2 Ng7 28.Rd6 
1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Smith, Alvin Louis"]
[Black "Tonoli, Walter"]
[Result "1/2-1/2"]
[ECO "C45"]
[EventDate "1976.12.21"]
[PlyCount "66"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.Bd3 Be7 7.O-O O-O 8.
b3 d5 9.exd5 cxd5 10.Bb2 c5 11.Nd2 Bd6 12.Bxf6 Qxf6 13.Qf3 Qg5 14.g3 Bh3 
15.Qd1 Bxf1 16.Bxf1 Rad8 17.Nf3 Qf6 18.Rb1 Kh8 19.Kg2 Bb8 20.Bb5 a6 21.Ba4
h6 22.h4 Rd6 23.Qd3 Qg6 24.Qc3 Rc8 25.Re1 Rdd8 26.Qd2 Qf6 27.Qe2 Kg8 28.
Nh2 Qd4 29.Qxa6 c4 30.Nf3 Qc3 31.Re2 Bd6 32.Bd7 Rc7 33.Bf5 Re7 1/2-1/2

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Twardon, Marian"]
[Black "Ahad, Wazin"]
[Result "1-0"]
[ECO "C91"]
[EventDate "1976.12.21"]
[PlyCount "89"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.d4 Bg4 10.Be3 exd4 11.cxd4 Na5 12.Bc2 Nc4 13.Bc1 c5 14.b3 Na5 15.Nbd2 
Nc6 16.h3 Bh5 17.g4 Bg6 18.d5 Nb8 19.Nf1 Nfd7 20.a4 bxa4 21.Rxa4 Nb6 22.
Ra2 N8d7 23.Bd3 Qc8 24.Ne3 a5 25.Nd2 Ne5 26.Bf1 Bg5 27.Ng2 Bxd2 28.Rxd2 
Ned7 29.f4 f6 30.Ra2 Ra7 31.Kh2 Re8 32.f5 Bf7 33.Bd2 Qa8 34.Bb5 Re7 35.Bc6
Qe8 36.Qc2 Qd8 37.Rxa5 Ne5 38.Kg3 Nxc6 39.dxc6 d5 40.Qxc5 dxe4 41.Rxa7 
Rxa7 42.Bf4 Nc8 43.Rxe4 Ra5 44.Rd4 Bd5 45.c7 1-0

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Upton, Timothy"]
[Black "Yap, Andronico"]
[Result "0-1"]
[ECO "B29"]
[EventDate "1976.12.21"]
[PlyCount "90"]

1.e4 c5 2.Nf3 Nf6 3.e5 Nd5 4.Nc3 e6 5.Be2 Nc6 6.O-O d6 7.exd6 Bxd6 8.Ne4 
O-O 9.d4 cxd4 10.Nxd6 Qxd6 11.Nxd4 Nxd4 12.Qxd4 e5 13.Qd3 Qc5 14.c4 Nf6 
15.b4 Qc7 16.Bg5 Qb6 17.a3 h6 18.Be3 Qc7 19.Rfd1 Be6 20.Qd6 Qxd6 21.Rxd6 
Ne4 22.Rxe6 fxe6 23.Bf3 Nd6 24.Bc5 Rxf3 25.gxf3 Nxc4 26.b5 b6 27.Bb4 Rd8 
28.Rc1 Rd4 29.Kf1 Kf7 30.Ke2 Kf6 31.Bc3 Rh4 32.Bb4 Kf5 33.Kd3 Rd4+ 34.Ke2 
e4 35.Bc3 exf3+ 36.Kxf3 Rf4+ 37.Ke2 Nxa3 38.Bxg7 Nxb5 39.Rb1 Nd4+ 40.Ke3 
e5 41.Bxh6 Rf3+ 42.Kd2 Rxf2+ 43.Kd3 Rxh2 44.Be3 Rh3 45.Rf1+ Ke6 0-1

[Event "15th World U20 ch"]
[Site "Groningen NED"]
[Date "1977.01.05"]
[Round "13"]
[White "Zapata Ramirez, Alonso"]
[Black "Lo Kim Lin, Frank"]
[Result "1-0"]
[WhiteElo "1900"]
[ECO "C90"]
[EventDate "1976.12.21"]
[PlyCount "87"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.a4 Rb8 10.axb5 axb5 11.d4 exd4 12.Nxd4 Nxd4 13.Qxd4 c5 14.Qd1 Re8 15.Bf4
Bb7 16.Nd2 Qb6 17.Bc2 Rbd8 18.Nf1 h6 19.Ng3 Bf8 20.f3 Nd7 21.Qd2 Ne5 22.
Qf2 g6 23.h4 Qc7 24.Rad1 Qe7 25.Nf1 Bg7 26.Ne3 Qf6 27.Qg3 Bc6 28.Rd2 Rd7 
29.Red1 Red8 30.b3 Kh7 31.Qh2 Qe7 32.Bg3 f6 33.f4 Nf7 34.Nd5 Bxd5 35.Rxd5 
h5 36.Bf2 Nh6 37.Qg3 Ng4 38.Qd3 Nxf2 39.Kxf2 f5 40.exf5 Qxh4+ 41.Kg1 Qxf4 
42.fxg6+ Kh6 43.Rf1 c4 44.Qh3 1-0

