[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.24"]
[Round "1"]
[White "Bichsel, Walter"]
[Black "Toth, Bela"]
[Result "0-1"]
[WhiteElo "2320"]
[BlackElo "2395"]
[ECO "B52"]
[EventDate "1981.07.24"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 Nf6 7.Qe2 e6 8.a3 
Be7 9.b4 O-O 10.Bb2 d5 11.e5 Ne8 12.Re1 Nc7 13.d3 cxb4 14.cxb4 a5 15.bxa5 
Rxa5 16.Nfd2 Rfa8 17.Nb3 R5a6 18.Rc1 Nb5 19.Nc5 Nbd4 20.Bxd4 Nxd4 21.Qb2 
Bxc5 22.Rxc5 Nc6 23.Nd2 Qe7 24.Qc1 Qg5 25.d4 Qf4 26.Rb1 h6 27.Nf3 Qxc1+ 
28.Rcxc1 R8a7 29.h3 Rxa3 30.Rc5 Rd3 31.Rb6 Kh7 32.Kh2 Nxd4 33.Nxd4 Rxd4 
34.Rc7 Kg6 35.g4 Ra2 36.Rbxb7 Rxf2+ 37.Kg3 Rf1 38.Rb3 Re4 39.h4 Rg1+ 40.
Kh3 Rgxg4 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.24"]
[Round "1"]
[White "Partos, Charles"]
[Black "Zueger, Beat"]
[Result "1/2-1/2"]
[WhiteElo "2425"]
[BlackElo "2360"]
[ECO "A65"]
[EventDate "1981.07.24"]
[PlyCount "66"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Bg5 c5 7.d5 e6 8.Nge2 h6 9.
Be3 exd5 10.cxd5 b6 11.a4 Na6 12.Qd2 Kh7 13.Nb5 Nc7 14.Nec3 Nfe8 15.Bd3 f5
16.O-O fxe4 17.Bxe4 Bf5 18.Bxf5 Rxf5 19.g4 Rf7 20.Na3 a6 21.Rad1 b5 22.
axb5 axb5 23.Naxb5 Nxb5 24.Nxb5 Rb8 25.Nc3 Rfb7 26.Rb1 Rb3 27.Nd1 Nc7 28.
Kh1 Qg8 29.Bf4 Nxd5 30.Bxd6 Rd8 31.Qc2 Nb4 32.Qxc5 Nd3 33.Qc7 Rc8 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.29"]
[Round "1"]
[White "Franzoni, Giancarlo"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[WhiteElo "2255"]
[BlackElo "2575"]
[ECO "B07"]
[EventDate "1981.07.24"]
[PlyCount "146"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.g3 Bg7 5.Bg2 O-O 6.Nge2 Nbd7 7.O-O a6 8.a4 c5 
9.h3 Qc7 10.dxc5 Nxc5 11.Bg5 Be6 12.Nf4 Qa5 13.Nxe6 Nxe6 14.Bd2 Qc7 15.Re1
Rfc8 16.Nd5 Nxd5 17.exd5 Nc5 18.Bg5 Re8 19.c3 Bf6 20.Be3 b5 21.axb5 axb5 
22.Rxa8 Rxa8 23.Qe2 Rb8 24.Bd4 Kf8 25.Qe3 Kg8 26.h4 Na4 27.Re2 Bxd4 28.
Qxd4 Qc4 29.Qxc4 bxc4 30.Rxe7 Rxb2 31.Rc7 Rb1+ 32.Kh2 Nxc3 33.Rxc4 Nd1 34.
Rc6 Nxf2 35.Rxd6 Ng4+ 36.Kh3 h5 37.Bf3 Ne5 38.Rf6 Rb2 39.Rf4 Rd2 40.Bg2 
Ng4 41.Ra4 Kf8 42.Ra7 Ke8 43.Rb7 f5 44.Rb4 Kd7 45.Ra4 Kd6 46.Ra6+ Kc5 47.
Ra4 Kb5 48.Rf4 Ka5 49.Rf3 Kb4 50.Rf4+ Kb3 51.Rf3+ Kc2 52.Ra3 Kd1 53.Rb3 
Ke2 54.Bf3+ Kf2 55.Bxg4 hxg4+ 56.Kh2 Kf1+ 57.Kh1 Rxd5 58.Rb1+ Kf2 59.Kh2 
Re5 60.Rb3 Re3 61.Rb4 Re4 62.Rb3 Re8 63.Ra3 g5 64.h5 f4 65.h6 Ra8 66.Rb3 
Ra6 67.Rb2+ Ke3 68.Rb3+ Ke2 69.Rb2+ Kd3 70.Rb5 Rxh6+ 71.Kg1 Ke3 72.Rxg5 
Kf3 73.gxf4 Ra6 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.24"]
[Round "1"]
[White "Gruenfeld, Yehuda"]
[Black "Kaenel, Hansjuerg"]
[Result "1-0"]
[WhiteElo "2500"]
[ECO "A80"]
[EventDate "1981.07.24"]
[PlyCount "53"]

1.d4 f5 2.Bg5 g6 3.h4 h6 4.Bc1 Nf6 5.Nh3 d6 6.Nf4 Rg8 7.d5 c6 8.c4 Na6 9.
Nc3 Nc7 10.Qb3 e5 11.dxe6 g5 12.hxg5 hxg5 13.Nd3 Nxe6 14.e3 Ne4 15.Be2 Qf6
16.Bd2 Nxd2 17.Kxd2 g4 18.g3 Bh6 19.Rad1 Nd4 20.Qb4 b6 21.Nf4 Bxf4 22.gxf4
c5 23.Nd5 Qf7 24.Qc3 Nxe2 25.Kxe2 Rf8 26.Rh6 Be6 27.Rxe6+ 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.24"]
[Round "1"]
[White "Kurajica, Bojan"]
[Black "Lobron, Eric"]
[Result "0-1"]
[WhiteElo "2495"]
[BlackElo "2405"]
[ECO "E14"]
[EventDate "1981.07.24"]
[PlyCount "88"]

1.d4 Nf6 2.Nf3 c5 3.e3 e6 4.Bd3 d5 5.b3 Be7 6.O-O O-O 7.Nbd2 b6 8.Bb2 Bb7 
9.c4 Nbd7 10.Qe2 Rc8 11.Rac1 Rc7 12.a3 Qa8 13.cxd5 Nxd5 14.dxc5 Rxc5 15.
Nc4 Rfc8 16.b4 R5c7 17.Nd4 N5f6 18.f3 a6 19.e4 Qa7 20.Nb3 Bc6 21.Bd4 Ba4 
22.Qb2 Bb5 23.Nbd2 Qb8 24.Be3 Rc6 25.Rfe1 Nh5 26.Bf2 Bf6 27.Qb1 Ne5 28.
Nxe5 Bxe5 29.Bxb5 Bxh2+ 30.Kh1 axb5 31.Rxc6 Rxc6 32.e5 Bxe5 33.Qe4 Bg3 34.
Qxc6 Bxf2 35.Re5 Ng3+ 36.Kh2 Ne2 37.f4 Nxf4 38.Kh1 g6 39.Nf3 Qf8 40.Nh2 
Qd8 41.Qf3 Qd4 42.Qa8+ Kg7 43.Nf3 Qd1+ 44.Kh2 Ne2 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.24"]
[Round "1"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Wirthensohn, Heinz"]
[Result "1/2-1/2"]
[WhiteElo "2425"]
[BlackElo "2420"]
[ECO "B81"]
[EventDate "1981.07.24"]
[PlyCount "83"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 Nc6 7.g5 Nd7 8.Be3 Be7
9.h4 O-O 10.Qe2 Nxd4 11.Bxd4 a6 12.Bg2 b5 13.a3 Bb7 14.O-O-O Qa5 15.f4 b4 
16.axb4 Qxb4 17.f5 e5 18.Bf2 Rab8 19.Na2 Qa5 20.Kb1 Bc6 21.Rh3 Rfc8 22.Rc3
Bb5 23.Rxc8+ Rxc8 24.Qd2 Qc7 25.Nb4 Bf8 26.Nd5 Qb7 27.f6 Rb8 28.Qc3 Rc8 
29.Qa5 Qc6 30.Rd2 Nc5 31.Qb6 Nb3 32.Qe3 Nxd2+ 33.Qxd2 g6 34.Bh3 Rb8 35.h5 
Qb7 36.hxg6 hxg6 37.b3 a5 38.Qxa5 Bd3 39.Qa4 Qxb3+ 40.Qxb3 Rxb3+ 41.Kc1 
Bxc2 42.Kxc2 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.24"]
[Round "1"]
[White "Stean, Michael Francis"]
[Black "Hammer, Peter"]
[Result "1-0"]
[ECO "A29"]
[EventDate "1981.07.24"]
[PlyCount "74"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.a3 
O-O 9.b4 a6 10.d3 Be6 11.Bb2 f5 12.Nd2 Qe8 13.Na4 Nxa4 14.Qxa4 Bd7 15.Qb3+
Kh8 16.Nc4 Bf6 17.Rac1 Rb8 18.Na5 Nxa5 19.bxa5 c6 20.Bc3 Qe6 21.Rb1 Rf7 
22.Qxe6 Bxe6 23.f4 exf4 24.Bxf6 Rxf6 25.Rxf4 Bc8 26.Rd4 Kg8 27.Rd8+ Kf7 
28.d4 Ke7 29.Rg8 Rg6 30.e4 f4 31.Bh3 Bxh3 32.Rxb8 fxg3 33.R1xb7+ Kf6 34.
hxg3 Rxg3+ 35.Kh2 Rxa3 36.Rb3 Rxb3 37.Rxb3 Bf1 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.25"]
[Round "2"]
[White "Kurajica, Bojan"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1/2-1/2"]
[WhiteElo "2495"]
[BlackElo "2425"]
[ECO "C19"]
[EventDate "1981.07.24"]
[PlyCount "70"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Nf3 Nbc6 8.a4 
Qa5 9.Qd2 Bd7 10.Ba3 cxd4 11.cxd4 Qxd2+ 12.Kxd2 Nf5 13.Bb2 Na5 14.Ke1 Rc8 
15.Bd3 Nc4 16.Bc1 O-O 17.Ke2 Rc7 18.Ra2 Rfc8 19.Bd2 Be8 20.h4 Ne7 21.Bf4 
Nc6 22.Rb1 N6a5 23.h5 Nb6 24.Rba1 h6 25.g4 Nc6 26.a5 Nc4 27.c3 a6 28.Bxc4 
dxc4 29.Nd2 Ne7 30.Ne4 Nd5 31.Bd2 Bc6 32.Nd6 Rd8 33.Rb2 Rxd6 34.exd6 Rd7 
35.Rab1 Rxd6 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.25"]
[Round "2"]
[White "Hort, Vlastimil"]
[Black "Gruenfeld, Yehuda"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2500"]
[ECO "A70"]
[EventDate "1981.07.24"]
[PlyCount "91"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.Nf3 g6 7.Bf4 a6 8.a4 Bg7 
9.e4 O-O 10.Nd2 Nh5 11.Be3 Nd7 12.Be2 Ne5 13.O-O Qh4 14.Nf3 Nxf3+ 15.Bxf3 
f5 16.exf5 Bxf5 17.a5 Be5 18.g3 Qb4 19.Bc1 Bd7 20.Ra3 Nf6 21.Bd2 Qd4 22.
Rb3 Bh3 23.Re1 Rae8 24.Ne4 c4 25.Rxb7 Nxe4 26.Rxe4 Qd3 27.Re3 Qf5 28.Qe1 
Qc8 29.Ra7 Bxb2 30.Bc3 Bxc3 31.Qxc3 Rf7 32.Rxf7 Kxf7 33.Be2 Rxe3 34.fxe3 
Qe8 35.Kf2 Qe4 36.Qxc4 Qg2+ 37.Ke1 Qg1+ 38.Kd2 Qxh2 39.Qc7+ Kg8 40.Qd8+ 
Kg7 41.Qe7+ Kg8 42.Qxd6 Bg4 43.Qxa6 Qg2 44.e4 Qf2 45.d6 Be6 46.Qb6 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.25"]
[Round "2"]
[White "Toth, Bela"]
[Black "Partos, Charles"]
[Result "1-0"]
[WhiteElo "2395"]
[BlackElo "2425"]
[ECO "A56"]
[EventDate "1981.07.24"]
[PlyCount "91"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Be7 6.Be2 O-O 7.a3 Ne8 8.Nf3 Nd7 9.
O-O g6 10.Bh6 Ng7 11.Qd2 Nf6 12.b4 b6 13.Ne1 Ng4 14.Bxg4 Bxg4 15.Nd3 Bd7 
16.b5 f6 17.a4 a5 18.f4 exf4 19.Nxf4 Qc8 20.Rae1 Rf7 21.Qd3 Bf8 22.h3 Qe8 
23.Nce2 Ra7 24.Ng3 Bc8 25.Nfe2 Qd8 26.Bd2 Ne8 27.Bc3 Rae7 28.Rf2 Bg7 29.
Ref1 Rf8 30.Nf4 Nc7 31.h4 Bg4 32.h5 g5 33.h6 Bh8 34.Nfh5 Ref7 35.Qd2 Bxh5 
36.Nxh5 Ne8 37.Qe3 Qe7 38.Qd3 Qd7 39.Rf5 Re7 40.Qf3 Rff7 41.Nxf6+ Bxf6 42.
Bxf6 Nxf6 43.Rxf6 g4 44.Qf4 Rxf6 45.Qxf6 Rf7 46.Qg5+ 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.25"]
[Round "2"]
[White "Zueger, Beat"]
[Black "Franzoni, Giancarlo"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2255"]
[ECO "A14"]
[EventDate "1981.07.24"]
[PlyCount "47"]

1.c4 e6 2.g3 Nf6 3.Bg2 d5 4.Nf3 Be7 5.O-O O-O 6.b3 b6 7.Bb2 Bb7 8.e3 c5 9.
Nc3 dxc4 10.bxc4 Nc6 11.Qe2 Qc7 12.Ne1 a6 13.f4 Rfd8 14.g4 Na5 15.f5 Bxg2 
16.Nxg2 Qd7 17.Rad1 Qd3 18.Qxd3 Rxd3 19.Nf4 Rd7 20.g5 Ng4 21.g6 hxg6 22.
fxe6 fxe6 23.Nxe6 Nxc4 24.Bc1 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.25"]
[Round "2"]
[White "Kaenel, Hansjuerg"]
[Black "Stean, Michael Francis"]
[Result "0-1"]
[ECO "A30"]
[EventDate "1981.07.24"]
[PlyCount "83"]

1.Nf3 Nf6 2.e3 b6 3.Be2 Bb7 4.c4 e6 5.b3 Be7 6.Bb2 O-O 7.O-O c5 8.d4 d6 9.
Nc3 a6 10.a3 cxd4 11.Qxd4 Nbd7 12.e4 Re8 13.Rad1 Qc7 14.b4 Rac8 15.h3 Qb8 
16.Rfe1 Bf8 17.Bf1 h6 18.Nd2 Ba8 19.Qd3 Ne5 20.Qg3 Ng6 21.Qe3 Be7 22.g3 
Ne5 23.f4 Ned7 24.Kh2 Bf8 25.Bd3 Rc7 26.e5 dxe5 27.fxe5 Nh7 28.Nce4 a5 29.
Bc3 axb4 30.axb4 Ra7 31.Qd4 Rd8 32.Nd6 Nxe5 33.Qxe5 Qxd6 34.Qxd6 Rxd6 35.
Ne4 Rd8 36.Bb1 Rad7 37.Rc1 Be7 38.h4 Nf6 39.Bxf6 gxf6 40.c5 f5 41.Nf2 Rd2 
42.Kg1 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.25"]
[Round "2"]
[White "Lobron, Eric"]
[Black "Hammer, Peter"]
[Result "1-0"]
[WhiteElo "2405"]
[ECO "B05"]
[EventDate "1981.07.24"]
[PlyCount "65"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.h3 Bh5 8.c4 Nb6 
9.exd6 cxd6 10.Nc3 O-O 11.Re1 d5 12.c5 N6d7 13.b4 Bxf3 14.Bxf3 Bf6 15.Rb1 
Nc6 16.Be3 Ne7 17.Qd3 g6 18.g4 Nc6 19.Bg2 Bg7 20.f4 Nf6 21.Bf2 Qd7 22.a3 
Rad8 23.Rbd1 h5 24.g5 Ne8 25.f5 gxf5 26.Ne2 Nc7 27.Nf4 h4 28.Nh5 Ne8 29.
Bxh4 Bxd4+ 30.Kh1 a6 31.Nf6+ Nxf6 32.gxf6 Kh7 33.Qf3 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.25"]
[Round "2"]
[White "Wirthensohn, Heinz"]
[Black "Bichsel, Walter"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2320"]
[ECO "A16"]
[EventDate "1981.07.24"]
[PlyCount "77"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 g6 5.Bg2 Nb6 6.d3 Bg7 7.Be3 Nc6 8.Bxc6+
bxc6 9.Qd2 h5 10.Nf3 Nd5 11.Nxd5 Qxd5 12.O-O Rb8 13.b3 Bh3 14.Rfe1 Bxa1 
15.Rxa1 a5 16.Rc1 Rb5 17.Rc4 f6 18.Rd4 Qe6 19.Qc3 O-O 20.Re4 Qd6 21.Rc4 
Rfb8 22.Nd4 Rb4 23.Nxc6 Rxc4 24.Qxc4+ Be6 25.Qe4 f5 26.Qa4 Ra8 27.Bf4 Qc5 
28.b4 Qc3 29.bxa5 Qe1+ 30.Kg2 Qxe2 31.Qd4 h4 32.Nxe7+ Kf7 33.Nd5 Kg8 34.
Nxc7 h3+ 35.Kxh3 g5 36.Bxg5 f4+ 37.Nxe6 Qxe6+ 38.g4 f3 39.Qc4 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.26"]
[Round "3"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Lobron, Eric"]
[Result "0-1"]
[WhiteElo "2425"]
[BlackElo "2405"]
[ECO "B42"]
[EventDate "1981.07.24"]
[PlyCount "70"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6 6.b3 Bg7 7.Bb2 Nf6 8.c4 d6 
9.O-O O-O 10.Nc3 Nbd7 11.Rc1 Qc7 12.Qe2 b6 13.Kh1 Bb7 14.f4 Rfe8 15.b4 
Rac8 16.Nb3 Qb8 17.Rce1 Nh5 18.Qd2 Bh6 19.Ne2 e5 20.Qc3 Ndf6 21.fxe5 dxe5 
22.Ng1 Nf4 23.Nf3 Nxd3 24.Qxd3 Rcd8 25.Qc2 Re6 26.Nxe5 Rxe5 27.Rxf6 Rxe4 
28.Rff1 Rg4 29.Re2 Qa8 30.h3 Be4 31.Qc3 Bxg2+ 32.Kg1 Be3+ 33.Qxe3 Bxh3+ 
34.Kh2 Bxf1 35.Rf2 Rg2+ 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.26"]
[Round "3"]
[White "Hammer, Peter"]
[Black "Kaenel, Hansjuerg"]
[Result "1/2-1/2"]
[ECO "A81"]
[EventDate "1981.07.24"]
[PlyCount "148"]

1.Nf3 f5 2.g3 Nf6 3.Bg2 g6 4.O-O Bg7 5.d4 d6 6.Nbd2 Nc6 7.Nc4 e6 8.c3 O-O 
9.b4 h6 10.b5 Ne7 11.a4 Rb8 12.Qb3 g5 13.a5 b6 14.axb6 axb6 15.Ne1 Bd7 16.
Nd3 Kh7 17.Ra7 Nc8 18.Ra2 Qe8 19.Rb2 Na7 20.Na3 e5 21.dxe5 dxe5 22.c4 e4 
23.Nb4 c5 24.Na6 Rd8 25.Rd2 Qe7 26.Nc7 Nc8 27.Bb2 Be6 28.Bxf6 Bxf6 29.Nd5 
Bxd5 30.cxd5 Nd6 31.e3 g4 32.Nc4 Nxc4 33.Qxc4 Qe5 34.Rfd1 Rd6 35.h4 Ra8 
36.Ra2 Rad8 37.Rad2 Qc3 38.Bf1 Ra8 39.Ra2 Ra5 40.Rdd2 Qxc4 41.Bxc4 Bc3 42.
Rdc2 Bb4 43.Rxa5 bxa5 44.Ra2 Kg6 45.Kf1 Kf6 46.Ke2 Ke5 47.Ra1 Rd8 48.Kf1 
Kd6 49.Ke2 Ra8 50.Ra4 h5 51.Kd1 Kc7 52.Ke2 Rd8 53.Ra1 Kb6 54.Ra2 Bc3 55.
Ra3 Bf6 56.Ra4 Rd6 57.Kd2 Bd8 58.Ra2 Kb7 59.Ra4 Bb6 60.Ra1 Kc7 61.Kc3 Rd8 
62.Ra2 Kd6 63.Kb3 Ra8 64.Ra4 Re8 65.Ra1 Re7 66.Kc2 Bd8 67.Ra3 Ra7 68.Ra4 
Ra8 69.Kd2 Bf6 70.Bb3 Kc7 71.Ba2 Kb6 72.Bc4 Re8 73.Ra3 Re7 74.Ra4 Be5 
1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.26"]
[Round "3"]
[White "Bichsel, Walter"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2320"]
[BlackElo "2495"]
[ECO "B30"]
[EventDate "1981.07.24"]
[PlyCount "73"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 e6 4.O-O Nge7 5.Nc3 Ng6 6.d4 cxd4 7.Nxd4 a6 8.Be2 
Qc7 9.a4 Be7 10.Kh1 Nf4 11.Bf3 O-O 12.g3 Ng6 13.Bg2 Nxd4 14.Qxd4 b6 15.f4 
Bb7 16.Be3 Rab8 17.Rad1 Bc6 18.Rf2 Rfd8 19.Rfd2 Qb7 20.b4 Qc8 21.b5 Ba8 
22.Ne2 axb5 23.axb5 Qc7 24.Qd3 Bb7 25.h4 h5 26.Qb3 Rbc8 27.Bd4 Nf8 28.Qe3 
Bc5 29.e5 Bxd4 30.Nxd4 Bxg2+ 31.Kxg2 Qb7+ 32.Qf3 Qxf3+ 33.Kxf3 Ra8 34.Rd3 
Rdc8 35.Rb1 Ng6 36.Rbb3 Ne7 37.Ra3 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.26"]
[Round "3"]
[White "Gruenfeld, Yehuda"]
[Black "Zueger, Beat"]
[Result "1/2-1/2"]
[WhiteElo "2500"]
[BlackElo "2360"]
[ECO "A44"]
[EventDate "1981.07.24"]
[PlyCount "184"]

1.d4 c5 2.d5 e5 3.e4 d6 4.c4 Be7 5.Nc3 Bg5 6.Qa4+ Kf8 7.Bxg5 Qxg5 8.Nb5 
Bd7 9.Qb3 Bxb5 10.Qxb5 Qe7 11.Bd3 Qc7 12.Ne2 Nf6 13.O-O Nbd7 14.Ng3 h5 15.
h3 h4 16.Nf5 g6 17.Ne3 Nh5 18.Qb3 Nf4 19.Rfb1 Kg7 20.Bf1 a5 21.Qc3 Qd8 22.
a4 Qg5 23.Kh1 Nb8 24.Qb3 Na6 25.Qxb7 Nb4 26.Qd7 Nbd3 27.Nd1 Ne1 28.Qxd6 
Nexg2 29.Ra3 Ne1 30.Qd7 Ne2 31.Qg4 Qxg4 32.hxg4 Nd4 33.Ne3 Nef3 34.Nd1 Nd2
35.Rc1 Nxf1 36.Rd3 Ne2 37.Rc2 Nf4 38.Ra3 Ng3+ 39.fxg3 hxg3+ 40.Kg1 g2 41.
Nf2 Rh4 42.Rf3 Rah8 43.Rxf4 exf4 44.Kxg2 Kf6 45.Kf3 g5 46.Re2 Ke5 47.Rd2 
Kd6 48.e5+ Kxe5 49.d6 Ke6 50.Rd5 f6 51.Rxc5 Kxd6 52.Rxa5 Re8 53.Ne4+ Kc7 
54.Rc5+ Kb8 55.Rb5+ Ka7 56.Ra5+ Kb8 57.Rb5+ Kc7 58.Rc5+ Kd8 59.Rd5+ Ke7 
60.Nd6 Rh3+ 61.Ke4 Rb8 62.Nf5+ Kf8 63.Rd2 Rhb3 64.a5 Rxb2 65.Rd6 Re8+ 66.
Kd3 Kf7 67.Rd7+ Kf8 68.Rd6 Ra8 69.Rxf6+ Ke8 70.Nd4 Rxa5 71.Ke4 Rc5 72.Nf3 
Rc2 73.Kd3 Rg2 74.Kd4 Ra5 75.Ne5 Ra3 76.c5 Rd2+ 77.Kc4 Ke7 78.Rf5 Ke6 79.
Nf7 Rc2+ 80.Kb4 Ra8 81.Nxg5+ Kd7 82.Kb3 Rc1 83.Kb2 Rc4 84.Kb3 Rc1 85.Kb2 
Rf1 86.Rf6 Rc8 87.Rd6+ Ke7 88.Re6+ Kf8 89.Rf6+ Kg7 90.Rxf4 Rxf4 91.Ne6+ 
Kf6 92.Nxf4 Rxc5 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.26"]
[Round "3"]
[White "Stean, Michael Francis"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[BlackElo "2575"]
[ECO "A09"]
[EventDate "1981.07.24"]
[PlyCount "66"]

1.Nf3 d5 2.c4 d4 3.e3 Nc6 4.exd4 Nxd4 5.Nxd4 Qxd4 6.Nc3 e5 7.d3 Ne7 8.Qe2 
Bg4 9.f3 Bd7 10.Be3 Qd6 11.O-O-O Nf5 12.f4 Be7 13.fxe5 Qxe5 14.Bf2 Qxe2 
15.Bxe2 O-O-O 16.Kb1 Bg5 17.Bf3 Be3 18.Bxe3 Nxe3 19.Rde1 Nf5 20.Rhf1 Rde8 
21.Rxe8+ Rxe8 22.Bg4 Re5 23.d4 Nxd4 24.Bxd7+ Kxd7 25.Rxf7+ Ke6 26.Rf1 c6 
27.b3 g5 28.Rf2 h5 29.Kc1 Rf5 30.Rxf5 Nxf5 31.Ne4 g4 32.Nc5+ Ke5 33.Nxb7 
Ne3 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.26"]
[Round "3"]
[White "Franzoni, Giancarlo"]
[Black "Toth, Bela"]
[Result "0-1"]
[WhiteElo "2255"]
[BlackElo "2395"]
[ECO "B85"]
[EventDate "1981.07.24"]
[PlyCount "68"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Nb3 e6 7.Be2 Be7 8.O-O 
O-O 9.Be3 a6 10.a4 b6 11.f4 Bb7 12.Bf3 Qc7 13.Qe2 Rab8 14.Rfd1 Nb4 15.a5 
bxa5 16.Rxa5 d5 17.e5 Nd7 18.Raa1 Nb6 19.Bd4 Nc4 20.Na4 Bc6 21.Qf2 Bxa4 
22.Rxa4 Rfc8 23.Rc1 a5 24.Raa1 Qd7 25.Bd1 a4 26.Nd2 Nc6 27.Nxc4 Nxd4 28.
Nd6 Bxd6 29.exd6 Nf5 30.c3 Rc4 31.Ra3 Nxd6 32.Rca1 Ne4 33.Qe3 Rxb2 34.Qc1 
Qa7+ 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.26"]
[Round "3"]
[White "Partos, Charles"]
[Black "Wirthensohn, Heinz"]
[Result "0-1"]
[WhiteElo "2425"]
[BlackElo "2420"]
[ECO "E20"]
[EventDate "1981.07.24"]
[PlyCount "54"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 c5 5.d5 Bxc3+ 6.bxc3 d6 7.e4 e5 8.Bd3 O-O 
9.Bg5 h6 10.Be3 Nh5 11.Ne2 f5 12.exf5 Bxf5 13.Bxf5 Rxf5 14.O-O Rf7 15.Qb1 
Nd7 16.g4 Nf4 17.Ng3 h5 18.gxh5 Nb6 19.Qb3 Qh4 20.Ne4 Qxh5 21.Kh1 Raf8 22.
Nd2 Ne2 23.Rfe1 Ng3+ 24.Kg1 Nf5 25.a4 Rf6 26.Kh1 Rg6 27.Bf2 Kf7 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.27"]
[Round "4"]
[White "Kurajica, Bojan"]
[Black "Partos, Charles"]
[Result "1/2-1/2"]
[WhiteElo "2495"]
[BlackElo "2425"]
[ECO "B72"]
[EventDate "1981.07.24"]
[PlyCount "104"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.h3 Bg7 7.Bc4 Nc6 8.Be3 
O-O 9.Bb3 Nxd4 10.Bxd4 Be6 11.O-O Qa5 12.Re1 Nd7 13.Nd5 Rfe8 14.Bxg7 Kxg7 
15.Qd4+ Kg8 16.c3 Rac8 17.Qd2 Kg7 18.Re3 Qc5 19.Rae1 Ne5 20.f4 Nc4 21.Bxc4
Qxc4 22.f5 Bxd5 23.b3 Qc5 24.exd5 e5 25.dxe6 fxe6 26.Kh2 e5 27.Re4 Qc7 28.
c4 gxf5 29.Qg5+ Kh8 30.Qxf5 Rf8 31.Qe6 Rce8 32.Qh6 Rg8 33.Rf1 Qg7 34.Qxg7+
Rxg7 35.Rf5 Re6 36.Rf8+ Rg8 37.Rf2 Rgg6 38.Rf7 Rg7 39.Rf5 Kg8 40.Kg1 Reg6 
41.Re2 Rf7 42.Ref2 Rxf5 43.Rxf5 Rg3 44.c5 dxc5 45.Rxe5 c4 46.bxc4 Ra3 47.
Re2 b6 48.Rc2 Kf7 49.Kh2 Kg6 50.Rd2 Ra4 51.Rc2 Ra3 52.g3 Ra5 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.27"]
[Round "4"]
[White "Lobron, Eric"]
[Black "Kaenel, Hansjuerg"]
[Result "1-0"]
[WhiteElo "2405"]
[ECO "A86"]
[EventDate "1981.07.24"]
[PlyCount "99"]

1.c4 f5 2.d4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nh3 d6 6.O-O O-O 7.d5 c6 8.Nc3 h6 9.
Qb3 Kh7 10.Nf4 Qc7 11.dxc6 bxc6 12.c5 d5 13.Nfxd5 cxd5 14.Nxd5 Nxd5 15.
Qxd5 Bd7 16.Qxa8 Nc6 17.Bf4 e5 18.Bxe5 Nxe5 19.Qd5 Bb5 20.Qd6 Qxd6 21.cxd6
Rd8 22.Rfd1 Bxe2 23.Rd2 Ba6 24.Rc1 Nc4 25.Rd5 Bxb2 26.Rb1 Ba3 27.Bf1 Rxd6 
28.Bxc4 Bxc4 29.Ra5 Rd3 30.Rxa7+ Kg8 31.Rb8+ Bf8 32.Kg2 g5 33.Re7 Bd5+ 34.
Kh3 Bc6 35.Re6 Bd7 36.Rf6 f4+ 37.Kg2 f3+ 38.Rxf3 Bc6 39.Rxf8+ Kg7 40.Rf7+ 
Kg8 41.g4 Ra3 42.Kg3 Bxf3 43.Rxf3 Rxa2 44.Rb3 Kg7 45.f3 Ra1 46.h4 Rh1 47.
Rb7+ Kf6 48.h5 Rg1+ 49.Kf2 Ra1 50.Rh7 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.27"]
[Round "4"]
[White "Zueger, Beat"]
[Black "Stean, Michael Francis"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[ECO "A25"]
[EventDate "1981.07.24"]
[PlyCount "55"]

1.c4 e5 2.Nc3 Nc6 3.g3 f5 4.Bg2 Nf6 5.b3 g6 6.e3 Bg7 7.Nge2 O-O 8.Bb2 d6 
9.d3 Ne7 10.O-O c6 11.Qd2 Be6 12.Rac1 Bf7 13.f4 Qc7 14.Nd1 Rad8 15.Nf2 h6 
16.Bc3 g5 17.Qb2 Ng6 18.fxg5 hxg5 19.Nh3 g4 20.Nf2 Be6 21.d4 Bh6 22.Bd2 c5
23.dxe5 dxe5 24.Rcd1 Bc8 25.Bc1 Qe7 26.Qc3 e4 27.Bb2 Bg7 28.Nf4 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.27"]
[Round "4"]
[White "Toth, Bela"]
[Black "Gruenfeld, Yehuda"]
[Result "1-0"]
[WhiteElo "2395"]
[BlackElo "2500"]
[ECO "E41"]
[EventDate "1981.07.24"]
[PlyCount "103"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3+ 7.bxc3 d6 8.e4 e5
9.d5 Ne7 10.Nh4 h6 11.f4 Ng6 12.Nxg6 fxg6 13.O-O O-O 14.f5 Qe8 15.g4 Bd7 
16.Rf2 Qe7 17.Rg2 g5 18.Be3 Rfb8 19.Rb1 Be8 20.Qf3 b6 21.Rf1 Nh7 22.h4 Rb7
23.hxg5 Nxg5 24.Qg3 Qf6 25.Rgf2 Rf7 26.Kg2 Rb8 27.Rh1 Rf8 28.Qh4 Kf7 29.
Bxg5 hxg5 30.Qh7 Ke7 31.Kg3 Kd8 32.Rfh2 a6 33.Qh3 Kc7 34.Qf1 Kb7 35.Qd1 
Ka7 36.Bc2 b5 37.cxb5 axb5 38.c4 bxc4 39.Ba4 Rb4 40.Bxe8 Rxe8 41.Rh8 Qd8 
42.Rxe8 Qxe8 43.Qc1 Qa4 44.Qxg5 Qa3+ 45.Kh4 Qf3 46.Rh3 Qf2+ 47.Kh5 c3 48.
Rxc3 Ka6 49.Qxg7 Qxa2 50.Qd7 Rb7 51.Qxd6+ Rb6 52.Qxe5 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.27"]
[Round "4"]
[White "Wirthensohn, Heinz"]
[Black "Franzoni, Giancarlo"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2255"]
[ECO "D11"]
[EventDate "1981.07.24"]
[PlyCount "81"]

1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.d4 Bg4 5.cxd5 Bxf3 6.Qxf3 cxd5 7.Nc3 Nc6 8.Bd3
e6 9.O-O Be7 10.Bd2 O-O 11.Rfd1 Rc8 12.Qe2 a6 13.Rac1 Na5 14.Be1 g6 15.Na4
Rxc1 16.Rxc1 Nc4 17.Bxc4 dxc4 18.Nc5 Bxc5 19.dxc5 Qd3 20.Qc2 Qxc2 21.Rxc2 
Rc8 22.Rxc4 Nd7 23.b4 b6 24.Rd4 Rc7 25.cxb6 Nxb6 26.Rd6 Nd5 27.Kf1 Rc1 28.
a3 Nc7 29.Rd3 Ra1 30.Ke2 Kf8 31.Bc3 Ra2+ 32.Kf3 Ke7 33.g4 g5 34.h4 gxh4 
35.g5 Nd5 36.Be5 f6 37.gxf6+ Nxf6 38.Rd4 h5 39.Rxh4 Rxa3 40.Bf4 Kf7 41.Be5
1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.27"]
[Round "4"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Bichsel, Walter"]
[Result "1/2-1/2"]
[WhiteElo "2425"]
[BlackElo "2320"]
[ECO "B71"]
[EventDate "1981.07.24"]
[PlyCount "223"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.f4 Nc6 7.Nf3 Bg4 8.h3 
Bxf3 9.Qxf3 Bg7 10.Bd3 O-O 11.Be3 Nb4 12.O-O d5 13.Bc5 dxe4 14.Bxe4 Qc7 
15.Bf2 e6 16.Nb5 Qc4 17.Bxb7 Rab8 18.a4 a6 19.b3 Qxc2 20.Rac1 Qd3 21.Rc4 
Qxf3 22.Bxf3 Nd3 23.Nd4 Nxf2 24.Kxf2 Nd5 25.Nc6 Rxb3 26.Bxd5 Rb2+ 27.Kf3 
exd5 28.Ne7+ Kh8 29.Nxd5 Rfb8 30.Re1 R8b3+ 31.Re3 h5 32.g4 Rxe3+ 33.Nxe3 
hxg4+ 34.hxg4 Bf8 35.Nd5 Kg7 36.g5 a5 37.Rc8 Ra2 38.Nb6 Rb2 39.Nd7 Bd6 40.
Nf6 Bf8 41.Ra8 Rb3+ 42.Kg4 Rd3 43.Rxa5 Be7 44.Ne4 Bd8 45.Ra8 Rd4 46.Kf3 
Rd3+ 47.Ke2 Rd4 48.Ke3 Bb6 49.Kf3 Rd3+ 50.Kg4 Rd4 51.Re8 Bc7 52.Kf3 Rxa4 
53.Rc8 Ra3+ 54.Kg4 Ra4 55.Nf6 Rxf4+ 56.Kh3 Rf3+ 57.Kg4 Rf4+ 58.Kh3 Rf3+ 
59.Kg2 Rg3+ 60.Kf2 Rxg5 61.Ne8+ Kf8 62.Nxc7+ Ke7 63.Rb8 Rc5 64.Rb7 Kf8 65.
Ke3 Rc4 66.Rb8+ Ke7 67.Nd5+ Ke6 68.Rb5 Ra4 69.Nb4 Ra1 70.Nc2 Rh1 71.Nd4+ 
Kf6 72.Rb6+ Kg7 73.Nf3 Ra1 74.Ke4 Rf1 75.Rb7 Kf6 76.Kf4 Rf2 77.Rb6+ Kg7 
78.Ke3 Rf1 79.Ne5 Re1+ 80.Kd4 Rd1+ 81.Kc5 Rc1+ 82.Kd4 Rd1+ 83.Kc3 Rc1+ 84.
Kd2 Rf1 85.Ke2 Rf5 86.Ng4 Rf4 87.Ne3 Re4 88.Kf3 Ra4 89.Rb7 Rd4 90.Ng4 Rd1 
91.Ne5 Rf1+ 92.Ke2 Rf5 93.Nd7 Rf4 94.Nc5 Rf6 95.Ne4 Rf4 96.Nd6 Kf8 97.Ke3 
Rf1 98.Ke4 Re1+ 99.Kd5 Rd1+ 100.Kc6 Rc1+ 101.Kd7 Rd1 102.Rb2 Ra1 103.Rb8+ 
Kg7 104.Ne8+ Kf8 105.Nd6+ Kg7 106.Rb7 Kf8 107.Rc7 Rd1 108.Rc2 Ra1 109.Re2 
Ra7+ 110.Kd8 Ra8+ 111.Nc8 Ra1 112.Rf2 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.27"]
[Round "4"]
[White "Hort, Vlastimil"]
[Black "Hammer, Peter"]
[Result "1-0"]
[WhiteElo "2575"]
[ECO "B03"]
[EventDate "1981.07.24"]
[PlyCount "53"]

1.e4 Nf6 2.e5 Nd5 3.d4 Nb6 4.Nf3 d5 5.Nbd2 Bg4 6.h3 Bxf3 7.Nxf3 e6 8.Bd3 
c5 9.dxc5 Bxc5 10.O-O Nc6 11.c3 Nd7 12.Qe2 Be7 13.Bf4 O-O 14.Rad1 Qc7 15.
Rfe1 Rfd8 16.h4 Nf8 17.h5 Rd7 18.Bg3 Rad8 19.a3 a6 20.Nh2 b5 21.Ng4 Qb6 
22.Qf3 Rb7 23.Bf4 a5 24.Qg3 Kh8 25.Re3 Ra8 26.Bh6 g6 27.Rf3 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.28"]
[Round "5"]
[White "Bichsel, Walter"]
[Black "Lobron, Eric"]
[Result "1/2-1/2"]
[WhiteElo "2320"]
[BlackElo "2405"]
[ECO "B18"]
[EventDate "1981.07.24"]
[PlyCount "130"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.Bc4 Nd7 7.N1e2 e6 8.O-O 
Bd6 9.Bf4 Nb6 10.Bb3 Ne7 11.Be5 Bxe5 12.dxe5 c5 13.c3 Qxd1 14.Bxd1 Nc6 15.
Nf4 Nxe5 16.Nxg6 hxg6 17.Ne4 Nbd7 18.Ba4 Ke7 19.f4 Nc6 20.Rad1 Rhd8 21.
Bxc6 bxc6 22.c4 f5 23.Ng5 e5 24.fxe5 Nxe5 25.Rde1 Kd6 26.Re2 Rd7 27.b3 Rh8
28.Rd1+ Kc7 29.Rxd7+ Nxd7 30.Re7 Rg8 31.Nf7 a5 32.Ne5 Kd6 33.Nxg6 Nf6 34.
h3 a4 35.bxa4 Ra8 36.Rxg7 Rxa4 37.Rf7 Ke6 38.Re7+ Kd6 39.Re5 Rxc4 40.Rxf5 
Nd5 41.h4 Rg4 42.h5 c4 43.Ne5 Re4 44.h6 c3 45.h7 Rh4 46.Nf7+ Kc5 47.h8=Q 
Rxh8 48.Nxh8 c2 49.Rf1 Nc3 50.Ng6 Ne2+ 51.Kf2 c1=Q 52.Rxc1+ Nxc1 53.a3 
Nd3+ 54.Ke3 Ne1 55.g4 Nc2+ 56.Ke4 Nxa3 57.Ke5 Nc4+ 58.Ke6 Kd4 59.g5 Ke4 
60.Kf6 Ne3 61.Ne7 Ng4+ 62.Ke6 Ne5 63.Nxc6 Nxc6 64.g6 Nd4+ 65.Kf6 Nf5 
1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.28"]
[Round "5"]
[White "Gruenfeld, Yehuda"]
[Black "Wirthensohn, Heinz"]
[Result "0-1"]
[WhiteElo "2500"]
[BlackElo "2420"]
[ECO "A46"]
[EventDate "1981.07.24"]
[PlyCount "72"]

1.d4 Nf6 2.Bg5 e6 3.e4 h6 4.Bxf6 Qxf6 5.Nf3 d6 6.Bd3 Nd7 7.Nbd2 g6 8.Qe2 
Bg7 9.O-O O-O 10.Rfe1 e5 11.c3 Qe7 12.Nc4 Nb6 13.Ne3 h5 14.h3 a5 15.Rad1 
Be6 16.Bb1 c6 17.Qc2 Qf6 18.Nh2 a4 19.dxe5 dxe5 20.c4 Nd7 21.b4 axb3 22.
axb3 Qe7 23.Nf5 Qb4 24.Nf3 Nc5 25.Re3 Bf6 26.g4 hxg4 27.hxg4 Ra3 28.g5 Bd8
29.Nh6+ Kg7 30.Qb2 Rxb3 31.Qxe5+ f6 32.Qh2 Rxb1 33.Nf5+ Bxf5 34.Qh6+ Kg8 
35.exf5 Rxd1+ 36.Kg2 Rd7 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.28"]
[Round "5"]
[White "Kaenel, Hansjuerg"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[BlackElo "2575"]
[ECO "A15"]
[EventDate "1981.07.24"]
[PlyCount "95"]

1.Nf3 Nf6 2.e3 g6 3.b4 Bg7 4.Bb2 d6 5.c4 e5 6.d4 e4 7.Nfd2 O-O 8.Nc3 Re8 
9.b5 Nbd7 10.Be2 h5 11.Qc2 Qe7 12.O-O Nf8 13.Rfc1 Bf5 14.Nd5 Qd8 15.a4 Ne6
16.Nxf6+ Bxf6 17.Qb3 c5 18.bxc6 bxc6 19.Qa3 c5 20.d5 Nc7 21.Rab1 Na6 22.
Bxf6 Qxf6 23.Qc3 Qxc3 24.Rxc3 Nb4 25.a5 Rab8 26.Bd1 Bd7 27.Ra3 f5 28.Kf1 
h4 29.f3 Kg7 30.Be2 Kf6 31.Kf2 g5 32.h3 Ke5 33.Rbb3 Rb7 34.Rb1 Reb8 35.
Rbb3 Be8 36.Bf1 Bg6 37.Be2 Kf6 38.Bf1 Nc2 39.Rxb7 Rxb7 40.Rb3 Rxb3 41.Nxb3
f4 42.exf4 e3+ 43.Ke2 gxf4 44.Kd1 Nb4 45.Kc1 Bc2 46.Kb2 Bd3 47.Bxd3 Nxd3+ 
48.Kc2 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.28"]
[Round "5"]
[White "Franzoni, Giancarlo"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[BlackElo "2495"]
[ECO "B83"]
[EventDate "1981.07.24"]
[PlyCount "97"]

1.e4 c5 2.Ne2 Nc6 3.Nbc3 d6 4.d4 cxd4 5.Nxd4 e6 6.Be2 Nf6 7.O-O Be7 8.Kh1 
O-O 9.f4 Qc7 10.Be3 Nxd4 11.Bxd4 e5 12.Be3 exf4 13.Bxf4 Be6 14.Qe1 Nd7 15.
Qg3 Ne5 16.Rad1 Rac8 17.Rd2 Qb6 18.Nb5 Ng6 19.Bxd6 Bxd6 20.Nxd6 Rc6 21.Qa3
a6 22.Nf5 Re8 23.Nd4 Rd6 24.Rfd1 Bc8 25.Nf3 Rxd2 26.Nxd2 Be6 27.Bc4 Rd8 
28.Bd3 Ne5 29.h3 Nxd3 30.cxd3 Qe3 31.Nf1 Qe2 32.Qa5 Rd4 33.Qd2 Qxd2 34.
Rxd2 Bxa2 35.Ne3 Bb1 36.Nc2 Bxc2 37.Rxc2 g6 38.Rd2 Kg7 39.Kg1 Kf6 40.Kf2 
Ke5 41.Ke3 f5 42.exf5 gxf5 43.Re2 Rd7 44.Kd2+ Kd4 45.g4 fxg4 46.Re4+ Kd5 
47.Rxg4 Rf7 48.Rh4 Rc7 49.Rh5+ 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.28"]
[Round "5"]
[White "Stean, Michael Francis"]
[Black "Toth, Bela"]
[Result "1-0"]
[BlackElo "2395"]
[ECO "D37"]
[EventDate "1981.07.24"]
[PlyCount "65"]

1.c4 e6 2.Nf3 Nf6 3.Nc3 d5 4.d4 Be7 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 
Nc6 9.Rd1 Qe7 10.a3 Rd8 11.Be2 dxc4 12.Rxd8+ Qxd8 13.O-O Bd7 14.Bxc4 a6 
15.Rd1 Be7 16.h3 Rc8 17.Qe2 Qa5 18.e4 Be8 19.e5 Nd7 20.Ne4 Ndxe5 21.Nxe5 
Nxe5 22.b4 Qc7 23.Bb3 Bb5 24.Qh5 Bf6 25.Re1 Bd3 26.Nc5 Bf5 27.Qe2 b6 28.
Na4 Bc2 29.Bxc2 Qxc2 30.Qxc2 Rxc2 31.Bxe5 Ra2 32.Bxf6 gxf6 33.Re3 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.28"]
[Round "5"]
[White "Partos, Charles"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "0-1"]
[WhiteElo "2425"]
[BlackElo "2425"]
[ECO "D07"]
[EventDate "1981.07.24"]
[PlyCount "103"]

1.d4 d5 2.c4 Nc6 3.Nf3 Bg4 4.e3 e6 5.h3 Bxf3 6.Qxf3 Nf6 7.Nc3 Bd6 8.Bd2 
dxc4 9.Bxc4 O-O 10.a3 e5 11.d5 Na5 12.Ba2 c5 13.Nb5 b6 14.Nxd6 Qxd6 15.e4 
Nb7 16.O-O Rfe8 17.Qe2 Qe7 18.b4 Nd6 19.f3 cxb4 20.axb4 Rac8 21.Rfc1 Qb7 
22.b5 Rc5 23.Bb4 Nd7 24.Bxc5 bxc5 25.Rab1 Rc8 26.Rb2 h6 27.Qf1 Qc7 28.Bc4 
Nb6 29.Be2 c4 30.Qf2 Qd7 31.Rcb1 Rc7 32.Qe3 Qe7 33.Ra2 Ndc8 34.f4 Nd6 35.
Bf3 f6 36.f5 Ne8 37.Kh2 Kf8 38.h4 Qc5 39.Qc1 Nd6 40.Ra5 c3 41.Qc2 Qe3 42.
Qe2 c2 43.Re1 Qxe2 44.Bxe2 c1=Q 45.Rxc1 Rxc1 46.Rxa7 Nxe4 47.Ra6 Nxd5 48.
b6 Nc5 49.Ra8+ Ke7 50.b7 Nxb7 51.Ra7 Rc7 52.Ba6 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.28"]
[Round "5"]
[White "Hammer, Peter"]
[Black "Zueger, Beat"]
[Result "1/2-1/2"]
[BlackElo "2360"]
[ECO "E91"]
[EventDate "1981.07.24"]
[PlyCount "48"]

1.Nf3 d6 2.c4 g6 3.d4 Bg7 4.Nc3 Nf6 5.e4 O-O 6.Be2 Bg4 7.Ng1 Bxe2 8.Ngxe2 
c5 9.d5 Na6 10.O-O Nc7 11.a4 e6 12.f3 exd5 13.exd5 Re8 14.Bg5 Qd7 15.Qd2 
Kh8 16.Bh6 Ng8 17.Bxg7+ Kxg7 18.Rfe1 h6 19.b3 Re7 20.Ng3 Rae8 21.Kf2 Rxe1 
22.Rxe1 Rxe1 23.Qxe1 Ne8 24.Qa1 Kf8 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.30"]
[Round "6"]
[White "Zueger, Beat"]
[Black "Kaenel, Hansjuerg"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[ECO "A10"]
[EventDate "1981.07.24"]
[PlyCount "96"]

1.c4 f5 2.Nc3 Nf6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Rb1 a5 7.Nf3 O-O 8.O-O Nc6 
9.a3 h6 10.b4 axb4 11.axb4 e6 12.b5 Ne7 13.Bb2 g5 14.Ra1 Rb8 15.Ra7 f4 16.
Qa1 Nf5 17.Ne4 e5 18.c5 g4 19.Nfd2 fxg3 20.hxg3 Nxe4 21.Nxe4 d5 22.Nd2 Re8
23.Re1 h5 24.e4 dxe4 25.Rxe4 Qxd3 26.Nc4 Be6 27.Ra3 Qd7 28.Nxe5 Qxb5 29.
Ra5 Qb3 30.Ra3 Qc2 31.Rc3 Qd2 32.Rd3 Qg5 33.Nd7 Ra8 34.Qb1 Rad8 35.Rxe6 
Rxe6 36.Bd5 Qe7 37.c6 bxc6 38.Bxe6+ Qxe6 39.Nc5 Qe7 40.Rxd8+ Qxd8 41.Qxf5 
Qd1+ 42.Kh2 Bxb2 43.Qc8+ Kh7 44.Qxc7+ Bg7 45.Ne6 Qa1 46.Qxc6 Qf6 47.Qe4+ 
Qg6 48.Qd5 Bh6 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.30"]
[Round "6"]
[White "Lobron, Eric"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[BlackElo "2575"]
[ECO "C83"]
[EventDate "1981.07.24"]
[PlyCount "34"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 
Be6 9.c3 Be7 10.Nbd2 Nc5 11.Nd4 Nxe5 12.f4 Nc4 13.f5 Bd7 14.Qh5 c6 15.N2f3
Ne4 16.Bc2 Nf6 17.Qh3 O-O 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.30"]
[Round "6"]
[White "Bichsel, Walter"]
[Black "Partos, Charles"]
[Result "0-1"]
[WhiteElo "2320"]
[BlackElo "2425"]
[ECO "B50"]
[EventDate "1981.07.24"]
[PlyCount "52"]

1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.Bd3 Nc6 5.Bc2 Bg4 6.h3 Bh5 7.d3 e6 8.Nbd2 Be7 
9.O-O Nd7 10.Qe1 Nde5 11.Nh2 g5 12.Nb3 c4 13.dxc4 Nxc4 14.Nd4 Qb6 15.Nxc6 
Qxc6 16.Be3 O-O-O 17.b4 Kb8 18.a4 Rc8 19.Bc1 Bf6 20.a5 Rhg8 21.Rb1 Ne5 22.
Bd2 g4 23.hxg4 Nxg4 24.b5 Qc5 25.Rb3 Nxh2 26.Kxh2 Bf3 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.30"]
[Round "6"]
[White "Kurajica, Bojan"]
[Black "Gruenfeld, Yehuda"]
[Result "1/2-1/2"]
[WhiteElo "2495"]
[BlackElo "2500"]
[ECO "B07"]
[EventDate "1981.07.24"]
[PlyCount "82"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d6 6.Nc3 Nbd7 7.e4 e5 8.h3 c6 
9.a4 a5 10.Re1 Re8 11.Be3 Qc7 12.Kh2 exd4 13.Bxd4 b6 14.Qd2 Bb7 15.Rad1 
Rad8 16.Ng1 Nc5 17.f4 Ne6 18.Bf2 d5 19.e5 Nd7 20.Nf3 Ndc5 21.Qc1 f5 22.
exf6 Bxf6 23.Ne5 d4 24.Ne2 Bxe5 25.fxe5 Nxa4 26.Qa1 Nac5 27.Qa2 Kg7 28.Qa3
Rf8 29.Bg1 d3 30.cxd3 Na6 31.Qb3 Nec5 32.Qc3 Ne6 33.Qb3 Nec5 34.Qc4 b5 35.
Qc3 Ne6 36.d4 Nb4 37.d5 Nxd5 38.Bxd5 Rxd5 39.Rxd5 cxd5 40.Qxc7+ Nxc7 41.
Nd4 Re8 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.30"]
[Round "6"]
[White "Wirthensohn, Heinz"]
[Black "Stean, Michael Francis"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[ECO "D43"]
[EventDate "1981.07.24"]
[PlyCount "76"]

1.c4 e6 2.d4 Nf6 3.Nf3 d5 4.Bg5 h6 5.Bxf6 Qxf6 6.Nc3 c6 7.Qb3 dxc4 8.Qxc4 
Qd8 9.e4 Be7 10.Bd3 b5 11.Qb3 Nd7 12.O-O O-O 13.Rad1 a6 14.Bb1 Qb6 15.Qc2 
c5 16.e5 g6 17.d5 Bb7 18.d6 Bd8 19.Ne4 c4 20.Qd2 Kg7 21.Rfe1 Rc8 22.h4 h5 
23.Qf4 b4 24.Nd4 c3 25.Ng5 Rc4 26.b3 Bxg5 27.hxg5 Rc5 28.Qg3 Rd5 29.Nc2 
Rxd1 30.Rxd1 Qc5 31.Re1 a5 32.Qf4 Qd5 33.Ne3 Qc5 34.Nc2 Rc8 35.Qd4 Qxd4 
36.Nxd4 Rc5 37.f4 Rd5 38.Rd1 Nc5 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.30"]
[Round "6"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Franzoni, Giancarlo"]
[Result "1-0"]
[WhiteElo "2425"]
[BlackElo "2255"]
[ECO "B40"]
[EventDate "1981.07.24"]
[PlyCount "75"]

1.e4 c5 2.Nf3 e6 3.c3 d5 4.e5 d4 5.cxd4 cxd4 6.Bb5+ Bd7 7.Nxd4 Qg5 8.Nf3 
Qxg2 9.Rg1 Qh3 10.Nc3 h6 11.d4 Ne7 12.Bf1 Qh5 13.Be2 Nbc6 14.Ne4 Nd5 15.
Rg2 Bb4+ 16.Kf1 Qh3 17.Kg1 O-O-O 18.a3 Be7 19.Ne1 h5 20.Nf3 Nf4 21.Bxf4 
Qf5 22.Bg5 Qxe4 23.Bxe7 Nxe7 24.Ng5 Qg6 25.Bd3 f5 26.Ne4 Qh7 27.Nd6+ Kb8 
28.Qb3 Bc6 29.Qxe6 Bxg2 30.Qxe7 Bc6 31.Bxf5 Rd7 32.Qxd7 Qh6 33.Qe7 Qf4 34.
d5 Bxd5 35.Rd1 Bc6 36.Nb5 Qxf5 37.Qd6+ Ka8 38.Nc7+ 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.30"]
[Round "6"]
[White "Toth, Bela"]
[Black "Hammer, Peter"]
[Result "1-0"]
[WhiteElo "2395"]
[ECO "A44"]
[EventDate "1981.07.24"]
[PlyCount "79"]

1.d4 c5 2.d5 e5 3.e4 d6 4.c4 Be7 5.Nf3 Bg4 6.Nbd2 Nd7 7.Be2 Ngf6 8.h3 Bh5 
9.Qc2 O-O 10.g4 Bg6 11.Bd3 Ne8 12.Nf1 Nc7 13.Ng3 b5 14.b3 bxc4 15.bxc4 Na6
16.a3 Qa5+ 17.Ke2 Nb6 18.h4 f6 19.h5 Bf7 20.Nf5 Rae8 21.Bd2 Qa4 22.Qc1 Nc7
23.Bh6 Ncxd5 24.cxd5 Nxd5 25.exd5 Bxd5 26.Bxg7 Rf7 27.Bh6 e4 28.Kf1 exd3 
29.Rh3 Bd8 30.Nxd6 d2 31.Nxd2 Qa6+ 32.N2c4 Re5 33.Nxf7 Bxc4+ 34.Kg1 Kxf7 
35.Qc2 Kg8 36.Rd1 Be7 37.Re3 Rxe3 38.Bxe3 Be6 39.Qe4 Qc8 40.Re1 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.31"]
[Round "7"]
[White "Partos, Charles"]
[Black "Lobron, Eric"]
[Result "1/2-1/2"]
[WhiteElo "2425"]
[BlackElo "2405"]
[ECO "A67"]
[EventDate "1981.07.24"]
[PlyCount "174"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ Nfd7
9.Bd3 O-O 10.Qf3 a6 11.Nge2 Qh4+ 12.g3 Qe7 13.a3 Nf6 14.h3 Nbd7 15.g4 b5 
16.O-O Rb8 17.b4 Re8 18.Rb1 Rb7 19.Bd2 Rc7 20.Rfc1 h6 21.Ng3 Nh7 22.Kg2 
cxb4 23.axb4 Bb7 24.Nce2 Rec8 25.Rxc7 Rxc7 26.Be3 Qe8 27.Qf2 Nhf6 28.Bd4 
Qc8 29.Rf1 Ne8 30.Be3 Ndf6 31.Kg1 Qd8 32.Nd4 Qe7 33.Rb1 Rc3 34.Qd2 Rc8 35.
Nb3 Rc4 36.Na5 Nxe4 37.Bxe4 Rxe4 38.Bf2 Nf6 39.Nxb7 Qxb7 40.g5 hxg5 41.
fxg5 Re5 42.gxf6 Bxf6 43.Rd1 Qc8 44.Kg2 Qc4 45.Qd4 Qb3 46.Rd3 Qa2 47.Qa7 
Kg7 48.Qa8 Bh4 49.Qc6 Bxg3 50.Rxg3 Rf5 51.Qc3+ Kg8 52.Qd4 Rxd5 53.Qe4 Re5 
54.Qd4 Qe6 55.Rd3 d5 56.Qc5 Rg5+ 57.Kf1 Rf5 58.Qd4 Re5 59.Kg2 Rg5+ 60.Rg3 
Rxg3+ 61.Kxg3 f6 62.h4 Kg7 63.Qf4 Qe7 64.Be3 Kf7 65.Kf2 Qd7 66.Bc5 Qc8 67.
Be3 Qd7 68.Ke2 Qc8 69.Kd2 Qc4 70.Qxc4 dxc4 71.Bd4 g5 72.h5 f5 73.Ke3 Kg8 
74.Bf6 g4 75.Kf4 Kh7 76.Bc3 Kh6 77.Kxf5 Kxh5 78.Be1 Kh6 79.Kxg4 Kg6 80.Bh4
c3 81.Bf2 c2 82.Be3 Kf6 83.Kf4 Ke6 84.Ke4 Kd6 85.Kd3 Kc6 86.Kxc2 a5 87.
bxa5 Kb7 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.31"]
[Round "7"]
[White "Franzoni, Giancarlo"]
[Black "Bichsel, Walter"]
[Result "1-0"]
[WhiteElo "2255"]
[BlackElo "2320"]
[ECO "A08"]
[EventDate "1981.07.24"]
[PlyCount "93"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d3 d5 6.Nbd2 c5 7.e4 Nc6 8.Re1 Be6
9.Ng5 Bg4 10.f3 Bc8 11.c3 h6 12.Nh3 dxe4 13.dxe4 Bxh3 14.Bxh3 Ne5 15.Bf1 
Nd3 16.Bxd3 Qxd3 17.Nf1 Rfd8 18.Qxd3 Rxd3 19.Be3 b6 20.Red1 Rad8 21.Rxd3 
Rxd3 22.Kf2 Kf8 23.Ke2 Rd8 24.a4 Rb8 25.Nd2 Nd7 26.f4 Ke8 27.g4 e6 28.h4 
Nf6 29.g5 hxg5 30.hxg5 Nd7 31.Rh1 Ke7 32.Rh7 Kf8 33.Rh1 f6 34.gxf6 Nxf6 
35.Kf3 Nd7 36.Nc4 Kf7 37.Nd6+ Ke7 38.e5 a6 39.Rg1 Rh8 40.Ke4 Rh4 41.Bf2 
Rh5 42.Nc8+ Kd8 43.Rxg6 Bf8 44.Nd6 Rh2 45.Kf3 Bxd6 46.exd6 Nf8 47.Rg8 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.31"]
[Round "7"]
[White "Kaenel, Hansjuerg"]
[Black "Toth, Bela"]
[Result "0-1"]
[BlackElo "2395"]
[ECO "A35"]
[EventDate "1981.07.24"]
[PlyCount "146"]

1.e3 g6 2.d4 Bg7 3.c4 c5 4.Nf3 Nf6 5.Be2 O-O 6.O-O b6 7.Nc3 cxd4 8.Nxd4 
Bb7 9.Bf3 Qc8 10.b3 Nc6 11.Ba3 d6 12.Rc1 Re8 13.Nxc6 Bxc6 14.Nd5 Bxd5 15.
cxd5 Qa6 16.Bb4 Qxa2 17.Bc3 Qa3 18.Be2 Rac8 19.Ra1 Qc5 20.Bd4 Qc7 21.Ba6 
Rcd8 22.Qd3 e5 23.dxe6 fxe6 24.Rfc1 Qe7 25.Ra2 Nd5 26.Ra4 Bxd4 27.exd4 Rf8
28.Re1 Qg5 29.Qg3 Qxg3 30.hxg3 Nc7 31.Bb7 Rb8 32.Bc6 a5 33.Bd7 Kf7 34.Rc4 
Rb7 35.Bc6 Ra7 36.Bf3 Rb8 37.Rc6 Ne8 38.Be2 Rc7 39.Rxc7+ Nxc7 40.Rc1 Rb7 
41.Bf3 d5 42.Be2 Ke7 43.f4 b5 44.Ra1 Ra7 45.Kf2 a4 46.Ra3 Ra6 47.g4 Kd6 
48.g5 Ra5 49.Ke3 Ra8 50.Kd2 Kc6 51.Bd1 axb3 52.Rxa8 Nxa8 53.Kc3 Nb6 54.
Kxb3 Nc4 55.Bg4 Kd6 56.Be2 Ne3 57.g4 Ng2 58.f5 exf5 59.gxf5 gxf5 60.Bxb5 
Nf4 61.Be8 Ne6 62.g6 h5 63.Kc3 h4 64.Bb5 Ke7 65.Bc6 Nf4 66.g7 Kf7 67.Ba4 
Ne2+ 68.Kd3 h3 69.Bc6 Nf4+ 70.Ke3 h2 71.Kxf4 h1=Q 72.Ke5 Qe4+ 73.Kd6 Qxd4 
0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.31"]
[Round "7"]
[White "Gruenfeld, Yehuda"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2425"]
[ECO "C06"]
[EventDate "1981.07.24"]
[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.O-O Bd6 11.Nf3 O-O 12.Bg5 Qc7 13.Nc3 a6 14.Bh4 Kh8 15.Rc1 
Bf4 16.Bg3 Bd7 17.Bb1 Qd6 18.Re1 Rac8 19.Rc2 Nh5 20.Rce2 g6 21.Na4 Nxg3 
22.hxg3 Bh6 23.Nc5 Nxd4 24.Qxd4+ Bg7 25.Nxb7 Qc7 26.Qh4 Rf6 27.Ne5 Be8 28.
Ng4 Rf8 29.Rxe6 Qxb7 30.Bxg6 Bxg6 31.Rxg6 Qxb2 32.Kh2 Rc4 33.Qh5 Re4 34.
Rxe4 dxe4 35.Rxa6 Qe2 36.Re6 Rxf2 37.Re8+ Rf8 38.Qf7 Qxg4 39.Rxf8+ Bxf8 
40.Qxf8+ Qg8 41.Qxg8+ Kxg8 42.a4 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.31"]
[Round "7"]
[White "Hort, Vlastimil"]
[Black "Zueger, Beat"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2360"]
[ECO "E91"]
[EventDate "1981.07.24"]
[PlyCount "82"]

1.c4 g6 2.d4 Bg7 3.Nc3 d6 4.e4 Nf6 5.Be2 O-O 6.Bg5 c6 7.Nf3 a6 8.O-O b5 9.
Qc2 Bg4 10.b3 bxc4 11.bxc4 Nbd7 12.Rfd1 Qa5 13.Bd2 Qc7 14.Rac1 c5 15.d5 
Rfb8 16.h3 Bxf3 17.Bxf3 Ra7 18.Rb1 Rab7 19.Rb3 Rxb3 20.axb3 Qb6 21.Rb1 e6 
22.Bd1 exd5 23.exd5 Re8 24.Qd3 Kf8 25.f4 Ng8 26.g4 Qd8 27.Kg2 Qh4 28.Ne4 
Qe7 29.Bf3 Ngf6 30.Ng3 h6 31.h4 Kg8 32.Rf1 Qd8 33.Qc2 Nf8 34.Bd1 N6h7 35.
Qd3 Qf6 36.Ne4 Qe7 37.Bf3 f5 38.gxf5 gxf5 39.Ng3 Ng6 40.h5 Nh4+ 41.Kh3 
Nxf3 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.31"]
[Round "7"]
[White "Stean, Michael Francis"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[BlackElo "2495"]
[ECO "D38"]
[EventDate "1981.07.24"]
[PlyCount "49"]

1.c4 e6 2.Nc3 Nf6 3.Nf3 d5 4.d4 Bb4 5.Bg5 h6 6.Bxf6 Bxc3+ 7.bxc3 Qxf6 8.e3
O-O 9.cxd5 exd5 10.Qb3 Qb6 11.Be2 Be6 12.O-O Nd7 13.Rfc1 c5 14.dxc5 Nxc5 
15.Qxb6 axb6 16.Nd4 Ra5 17.h3 Rfa8 18.Rc2 Bd7 19.Bf3 Bc6 20.c4 dxc4 21.
Nxc6 bxc6 22.Rxc4 Rxa2 23.Rxa2 Rxa2 24.Bxc6 Kf8 25.Rd4 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.07.31"]
[Round "7"]
[White "Hammer, Peter"]
[Black "Wirthensohn, Heinz"]
[Result "1/2-1/2"]
[BlackElo "2420"]
[ECO "E18"]
[EventDate "1981.07.24"]
[PlyCount "83"]

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.Bf4 d6 10.Qa4 Nd7 11.Rfd1 Bf6 12.Ne5 dxe5 13.Bxe4 b5 14.Qxb5 Rb8 
15.dxe5 Rxb5 16.cxb5 Bg5 17.Bxg5 Qxg5 18.Rxd7 Qxe5 19.Bd3 Qxb2 20.Rb1 Qc3 
21.Kg2 g6 22.Rb3 Qc5 23.Rb2 Rc8 24.Rc2 Qa3 25.Rdxc7 Rxc7 26.Rxc7 Qxa2 27.
Bc4 Qc2 28.Rc6 Kg7 29.Bd3 Qb3 30.f3 Qd5 31.Rc7 Qd4 32.h4 h6 33.Rc4 Qd7 34.
Rc6 e5 35.Rc5 Qe7 36.Rc6 h5 37.Ra6 Qb7 38.Kf2 Qd7 39.Kg2 Qc7 40.Rc6 Qd7 
41.Ra6 g5 42.hxg5 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.01"]
[Round "8"]
[White "Partos, Charles"]
[Black "Franzoni, Giancarlo"]
[Result "1/2-1/2"]
[WhiteElo "2425"]
[BlackElo "2255"]
[ECO "D18"]
[EventDate "1981.07.24"]
[PlyCount "85"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O O-O
9.Nh4 Bg4 10.f3 Bh5 11.g4 Bg6 12.Nxg6 hxg6 13.Qb3 Qe7 14.a5 Na6 15.Bxa6 
bxa6 16.Qc4 Qb7 17.e4 Rac8 18.Qb3 Qb8 19.Ra4 c5 20.Na2 Rfd8 21.Be3 Bd2 22.
Qa3 Bxe3+ 23.Qxe3 cxd4 24.Rxd4 Qxb2 25.Rxd8+ Rxd8 26.Rf2 Qb5 27.Rd2 Qxa5 
28.Rxd8+ Qxd8 29.Qxa7 Qd1+ 30.Kg2 Qe2+ 31.Qf2 Qxf2+ 32.Kxf2 g5 33.Ke3 Nd7 
34.Nb4 a5 35.Nc6 a4 36.Kd4 a3 37.Kc3 Nf8 38.Ne5 f6 39.Nd3 Kf7 40.Kb3 Nd7 
41.Kxa3 Ke7 42.Kb4 Kd6 43.Kc3 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.01"]
[Round "8"]
[White "Lobron, Eric"]
[Black "Zueger, Beat"]
[Result "1-0"]
[WhiteElo "2405"]
[BlackElo "2360"]
[ECO "B68"]
[EventDate "1981.07.24"]
[PlyCount "117"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
Bd7 9.f4 Be7 10.Nf3 b5 11.Kb1 b4 12.Bxf6 Bxf6 13.Ne2 Be7 14.e5 d5 15.f5 
Qc7 16.Nf4 Nxe5 17.fxe6 fxe6 18.Nxd5 exd5 19.Qxd5 Nc6 20.Ne5 Nxe5 21.Qxa8+
Bc8 22.Bxa6 O-O 23.Rhe1 Kh8 24.Bxc8 Rxc8 25.Qe4 Bf6 26.Rd4 h6 27.Rxb4 Nc4 
28.Qd3 Ne5 29.Qe4 Nc4 30.Rxc4 Qxc4 31.Qxc4 Rxc4 32.c3 Kg8 33.Kc2 Kf7 34.
Kb3 Rc8 35.a4 Re8 36.Rxe8 Kxe8 37.Kc2 Kd7 38.b4 Kc6 39.Kd3 Be7 40.Kc4 Bf6 
41.a5 Bd8 42.g3 Kb7 43.Kb5 h5 44.c4 g5 45.c5 Bc7 46.a6+ Ka7 47.Kc6 Bxg3 
48.hxg3 h4 49.b5 h3 50.b6+ Kxa6 51.b7 h2 52.b8=Q h1=Q+ 53.Kd6 Qd1+ 54.Kc7 
Ka5 55.Qb6+ Ka4 56.c6 Qd5 57.Kb8 Qd6+ 58.Kb7 Qd5 59.Ka7 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.01"]
[Round "8"]
[White "Bichsel, Walter"]
[Black "Gruenfeld, Yehuda"]
[Result "0-1"]
[WhiteElo "2320"]
[BlackElo "2500"]
[ECO "B40"]
[EventDate "1981.07.24"]
[PlyCount "94"]

1.e4 c5 2.Nf3 e6 3.Nc3 a6 4.g3 b5 5.Bg2 Bb7 6.d3 d6 7.O-O Nf6 8.a4 b4 9.
Nb1 Be7 10.Nbd2 d5 11.Re1 Nc6 12.exd5 exd5 13.Nf1 O-O 14.d4 cxd4 15.Nxd4 
Nxd4 16.Qxd4 Ne4 17.Be3 a5 18.Qd1 Bf6 19.Bd4 h5 20.Ne3 h4 21.Nf5 hxg3 22.
hxg3 Bxd4 23.Qxd4 Qg5 24.Bh3 Rfe8 25.Qe3 Qf6 26.Qd4 Re5 27.Nh4 g5 28.Ng2 
Rae8 29.f4 gxf4 30.gxf4 R5e6 31.Qxf6 Rxf6 32.Rad1 Kh8 33.Rd4 Rg8 34.Rf1 
Ng3 35.Re1 Rh6 36.Bd7 Rh1+ 37.Kf2 Rh2 38.Rg1 Ne4+ 39.Kf1 Rd8 40.Bb5 Ng3+ 
41.Ke1 Nf5 42.Rd2 Rg8 43.Bf1 d4 44.Rf2 Rg3 45.Rd2 Ne3 46.Nxe3 Rxe3+ 47.Kd1
Bf3+ 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.01"]
[Round "8"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Stean, Michael Francis"]
[Result "1/2-1/2"]
[WhiteElo "2425"]
[ECO "B53"]
[EventDate "1981.07.24"]
[PlyCount "117"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 Nf6 8.
Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O 11.Qd2 h6 12.Bxf6 Bxf6 13.Nd4 Qb6 14.g3 
Rfd8 15.f4 Rac8 16.Kb1 e5 17.Nxc6 bxc6 18.f5 Rb8 19.b3 Qb4 20.h4 a5 21.Re3
a4 22.Qe2 Rd7 23.Qa6 Qc5 24.Qe2 axb3 25.cxb3 Bd8 26.Red3 Qb4 27.Rc1 Bb6 
28.f6 g6 29.Nd1 Bc5 30.Nb2 Ra7 31.Nc4 Bd4 32.Qd2 Qxd2 33.Nxd2 Ra6 34.Nf3 
c5 35.Nxd4 exd4 36.e5 dxe5 37.Rxc5 Re8 38.a4 Rxf6 39.Kb2 Rd6 40.Rc4 Red8 
41.Rd1 e4 42.Kc2 f5 43.b4 g5 44.hxg5 hxg5 45.b5 d3+ 46.Kd2 Rd4 47.Rc5 Rxa4
48.Rxf5 Ra2+ 49.Kc3 Rc2+ 50.Kb3 Rc7 51.Rxg5+ Kf7 52.Re5 Re7 53.Rxe7+ Kxe7 
54.Kc3 Ke6 55.b6 Kd5 56.b7 Kc6 57.Rb1 Kc7 58.Kd2 Kb8 59.Ke3 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.01"]
[Round "8"]
[White "Kurajica, Bojan"]
[Black "Hammer, Peter"]
[Result "1-0"]
[WhiteElo "2495"]
[ECO "C42"]
[EventDate "1981.07.24"]
[PlyCount "83"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 Be7 6.Bd3 Nf6 7.h3 O-O 8.O-O 
Re8 9.c4 Nbd7 10.Nc3 Nf8 11.Bf4 Ng6 12.Bh2 c6 13.b4 a5 14.b5 Bd7 15.Rb1 a4
16.bxc6 bxc6 17.Nxa4 Qa5 18.Nb6 Ra7 19.Nxd7 Nxd7 20.Re1 d5 21.cxd5 cxd5 
22.Re2 Ndf8 23.Rb5 Qd8 24.Rb8 Qxb8 25.Bxb8 Rxb8 26.g3 Bf6 27.Bc2 Ne6 28.
Bb3 Ne7 29.Rd2 Ng5 30.Ne5 Nxh3+ 31.Kg2 Ng5 32.Ng4 Ne4 33.Rc2 h5 34.Ne3 Rd8
35.Qxh5 Bxd4 36.Nxd5 Nxd5 37.Bxd5 Nf6 38.Qh4 Bb6 39.Bb3 Rad7 40.Qb4 Ba7 
41.Qa5 g6 42.Ba4 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.01"]
[Round "8"]
[White "Wirthensohn, Heinz"]
[Black "Kaenel, Hansjuerg"]
[Result "1-0"]
[WhiteElo "2420"]
[ECO "A87"]
[EventDate "1981.07.24"]
[PlyCount "71"]

1.Nf3 f5 2.d4 Nf6 3.g3 g6 4.Bg2 Bg7 5.b3 d6 6.Bb2 O-O 7.O-O c6 8.c4 Qc7 9.
Nbd2 Re8 10.Re1 e5 11.dxe5 dxe5 12.e4 Nbd7 13.exf5 gxf5 14.Bh3 Ng4 15.Qc2 
Ndf6 16.c5 b5 17.a4 Bd7 18.b4 f4 19.Ng5 h6 20.Nge4 fxg3 21.hxg3 Nd5 22.
Bxg4 Bxg4 23.Nd6 Re6 24.axb5 Rb8 25.Qc4 Bh5 26.Ra6 Rxd6 27.cxd6 Qxd6 28.
Rxc6 Qd7 29.Bxe5 Re8 30.f4 Bf7 31.Qd3 Qh3 32.Rg6 Bxg6 33.Qxg6 Nf6 34.Ne4 
Rxe5 35.Nxf6+ Kf8 36.Rxe5 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.01"]
[Round "8"]
[White "Toth, Bela"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2575"]
[ECO "D91"]
[EventDate "1981.07.24"]
[PlyCount "45"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5 Ne4 6.cxd5 Nxc3 7.bxc3 Qxd5 8.e3
c5 9.Bb5+ Bd7 10.c4 Qe4 11.O-O h6 12.Bh4 O-O 13.Qb1 f5 14.Bg3 cxd4 15.Qxe4
fxe4 16.Nxd4 a6 17.Bxd7 Nxd7 18.Rab1 Nc5 19.Nb3 Na4 20.Na5 b5 21.cxb5 axb5
22.Rxb5 Nc3 23.Rc5 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.02"]
[Round "9"]
[White "Hammer, Peter"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1/2-1/2"]
[BlackElo "2425"]
[ECO "A09"]
[EventDate "1981.07.24"]
[PlyCount "91"]

1.Nf3 d5 2.c4 dxc4 3.Na3 g6 4.Nxc4 Bg7 5.g3 c5 6.Bg2 Nc6 7.O-O Nh6 8.d3 
Nf5 9.Bf4 O-O 10.Qd2 f6 11.g4 Nfd4 12.Nxd4 cxd4 13.Bxc6 bxc6 14.f3 Qd5 15.
Bh6 c5 16.Bxg7 Kxg7 17.Rac1 h5 18.gxh5 Qxh5 19.Qf4 Bh3 20.Rf2 Rad8 21.Kh1 
e5 22.Qg3 Rd5 23.Nd2 Rb8 24.b3 a5 25.f4 exf4 26.Qxf4 Rf8 27.Ne4 Qe5 28.Qh4
Bf5 29.Ng3 Bd7 30.Rcf1 Qg5 31.Qf4 Qxf4 32.Rxf4 Re5 33.Kg1 Bc6 34.Rc1 f5 
35.h4 Bd7 36.Kf2 Rh8 37.Nf1 a4 38.Nd2 Rhe8 39.Re1 Bb5 40.Nf3 Re3 41.b4 
cxb4 42.Rxd4 b3 43.axb3 a3 44.Ng1 R3e7 45.Ra1 Ra8 46.Ra2 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.02"]
[Round "9"]
[White "Gruenfeld, Yehuda"]
[Black "Partos, Charles"]
[Result "1-0"]
[WhiteElo "2500"]
[BlackElo "2425"]
[ECO "B78"]
[EventDate "1981.07.24"]
[PlyCount "91"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Bc4 
O-O 9.Qd2 Bd7 10.h4 Rc8 11.Bb3 h5 12.O-O-O Ne5 13.Bg5 Rc5 14.Rhe1 b5 15.g4
hxg4 16.f4 Nc4 17.Bxc4 bxc4 18.e5 Qb6 19.Bxf6 Rb8 20.Qg2 exf6 21.e6 fxe6 
22.Qxg4 e5 23.Qxd7 Qxb2+ 24.Kd2 exd4 25.Ne4 c3+ 26.Kd3 Qb5+ 27.Qxb5 Rcxb5 
28.Nxd6 Rd5 29.Re6 Rb6 30.Re8+ Kh7 31.Ne4 Ra5 32.Rh1 Rb7 33.Re6 Rf7 34.a3 
Rxa3 35.h5 gxh5 36.Rxh5+ Kg8 37.Nd6 Rd7 38.Rh1 Ra6 39.Re8+ Bf8 40.Nf5 Kf7 
41.Rc8 Kg6 42.Nh4+ Kf7 43.f5 Ra5 44.Ng6 Bg7 45.Ke4 Ra4 46.Rh7 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.02"]
[Round "9"]
[White "Zueger, Beat"]
[Black "Toth, Bela"]
[Result "0-1"]
[WhiteElo "2360"]
[BlackElo "2395"]
[ECO "A11"]
[EventDate "1981.07.24"]
[PlyCount "78"]

1.c4 Nf6 2.g3 c6 3.Nf3 d5 4.Bg2 Bf5 5.cxd5 cxd5 6.Qb3 Qc8 7.Nc3 e6 8.d3 
Nc6 9.O-O Be7 10.Bg5 O-O 11.Rac1 h6 12.Bxf6 Bxf6 13.Rfe1 Qd7 14.Na4 Na5 
15.Qd1 b6 16.e4 Bg4 17.exd5 exd5 18.Nc3 Rad8 19.Qa4 Qf5 20.Qf4 Qxf4 21.
gxf4 Nc6 22.a3 Nd4 23.Nxd4 Bxd4 24.Re7 a5 25.Rc2 Bf5 26.Nxd5 Bc5 27.Re1 
Bxd3 28.Rc3 Ba6 29.f5 Rfe8 30.Rcc1 Rxe1+ 31.Rxe1 Bc4 32.Rd1 Kf8 33.Bf3 Bb3
34.Rd3 Bc2 35.Rc3 Bxf5 36.b4 axb4 37.axb4 Bd6 38.Rc6 b5 39.Be2 Be4 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.02"]
[Round "9"]
[White "Kaenel, Hansjuerg"]
[Black "Kurajica, Bojan"]
[Result "0-1"]
[BlackElo "2495"]
[ECO "E60"]
[EventDate "1981.07.24"]
[PlyCount "60"]

1.Nf3 Nf6 2.e3 d6 3.d4 g6 4.b4 Bg7 5.Bb2 O-O 6.c4 Nbd7 7.Nc3 c5 8.b5 cxd4 
9.Nxd4 Nb6 10.Rc1 e5 11.Nf3 Qc7 12.Nd2 Bg4 13.f3 Be6 14.Nd5 Qd8 15.e4 a6 
16.a4 axb5 17.axb5 Bh6 18.Rc2 Nfxd5 19.cxd5 Bd7 20.Bd3 Qg5 21.Nf1 Rfc8 22.
Rxc8+ Rxc8 23.Kf2 Nc4 24.Bxc4 Rxc4 25.Qb3 Rc5 26.Ba3 Rxb5 27.Qc3 Qd8 28.
Bc1 Rc5 29.Qxc5 dxc5 30.Bxh6 Qh4+ 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.02"]
[Round "9"]
[White "Franzoni, Giancarlo"]
[Black "Lobron, Eric"]
[Result "0-1"]
[WhiteElo "2255"]
[BlackElo "2405"]
[ECO "B04"]
[EventDate "1981.07.24"]
[PlyCount "83"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Bc4 Nf6 5.Qe2 c6 6.e5 Nd5 7.h3 O-O 8.O-O Na6 
9.Bb3 Nac7 10.c4 Nb6 11.Bc2 Ne6 12.Rd1 dxe5 13.dxe5 Qc7 14.Nc3 a5 15.b3 
Nd7 16.Re1 Nxe5 17.Nxe5 Nd4 18.Qe4 Nxc2 19.Nxg6 hxg6 20.Qxc2 Bf5 21.Qb2 b5
22.b4 Qd6 23.a3 Qd3 24.Re3 Qxc4 25.bxa5 Rxa5 26.Qa2 Qxa2 27.Rxa2 Rfa8 28.
g4 Be6 29.Rc2 Bb3 30.Rb2 Rxa3 31.Nb1 Bxb2 32.Bxb2 b4 33.Nxa3 bxa3 34.Rxb3 
axb2 35.Rxb2 Kg7 36.Rc2 Rc8 37.f4 Kf6 38.Kf2 Ke6 39.Ke3 Kd6 40.Kd4 Ra8 41.
Rd2 Ra3 42.Ke4+ 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.02"]
[Round "9"]
[White "Hort, Vlastimil"]
[Black "Wirthensohn, Heinz"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2420"]
[ECO "B23"]
[EventDate "1981.07.24"]
[PlyCount "109"]

1.e4 c5 2.Nc3 e6 3.f4 d5 4.d3 Nc6 5.Nf3 Nf6 6.Bd2 Be7 7.g3 a6 8.e5 Nd7 9.
Bg2 b5 10.O-O g6 11.Ne2 Bb7 12.Be1 Nb6 13.Bf2 Qd7 14.c3 a5 15.g4 h5 16.h3 
hxg4 17.hxg4 a4 18.b4 axb3 19.axb3 Rxa1 20.Qxa1 b4 21.c4 dxc4 22.dxc4 Qd3 
23.Qd1 Qxd1 24.Rxd1 Na5 25.Nc1 O-O 26.Rd2 Ra8 27.Ra2 Bc6 28.Ng5 Bxg2 29.
Kxg2 Nb7 30.Rxa8+ Nxa8 31.Nd3 Nc7 32.Ne4 Na6 33.Kh3 Kg7 34.Bh4 Bxh4 35.
Kxh4 Kh6 36.Nd6 Nd8 37.Nf2 Nb8 38.Nfe4 Nd7 39.Kg3 Kg7 40.Kh3 Kh7 41.Ng5+ 
Kg7 42.Kh4 Kf8 43.Nge4 Kg7 44.Kg5 Nc6 45.Ne8+ Kf8 46.N8f6 Ncb8 47.Kh6 Nxf6
48.exf6 Nd7 49.Kh7 e5 50.fxe5 Nxe5 51.g5 Nc6 52.Nxc5 Nd4 53.Kh8 Nc6 54.Nd3
Nd4 55.c5 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.02"]
[Round "9"]
[White "Stean, Michael Francis"]
[Black "Bichsel, Walter"]
[Result "1-0"]
[BlackElo "2320"]
[ECO "A34"]
[EventDate "1981.07.24"]
[PlyCount "69"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 Nxc3 5.bxc3 g6 6.g3 Bg7 7.Bg2 c5 8.
Qa4+ Nd7 9.O-O O-O 10.Rb1 Qc7 11.Qh4 Nf6 12.d3 Qa5 13.a4 Qxc3 14.Be3 Qa5 
15.Rb5 Qd8 16.Bxc5 b6 17.Ne5 bxc5 18.Bxa8 Ba6 19.Bf3 Bxb5 20.axb5 Qb6 21.
Qc4 e6 22.Rc1 Rc8 23.Nc6 Rc7 24.Ra1 Rb7 25.Ra6 Qxb5 26.Qxb5 Rxb5 27.Rxa7 
Ne8 28.Ra8 Kf8 29.Kg2 Rb2 30.Na5 Ke7 31.Nc4 Rb1 32.Ra7+ Kf8 33.Bc6 Nf6 34.
Nd6 Rb6 35.Ra8+ 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.03"]
[Round "10"]
[White "Lobron, Eric"]
[Black "Toth, Bela"]
[Result "1-0"]
[WhiteElo "2405"]
[BlackElo "2395"]
[ECO "E04"]
[EventDate "1981.07.24"]
[PlyCount "155"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.d4 e6 5.O-O Nf6 6.c4 dxc4 7.Qa4 Bd7 8.Qxc4 
Rc8 9.Nc3 b5 10.Qd3 cxd4 11.Nxd4 Ne5 12.Qd1 b4 13.Ne4 Nd5 14.Bf4 Nxf4 15.
gxf4 Ng6 16.e3 Be7 17.Qh5 Qb6 18.Rfd1 O-O 19.Nf3 Be8 20.f5 exf5 21.Qxf5 
Bc6 22.Rd4 Bxe4 23.Qxe4 Rce8 24.Qc2 Bf6 25.Rd7 Ne5 26.Nxe5 Bxe5 27.Rad1 
Qf6 28.b3 Qh4 29.f4 Bb8 30.Qf2 Qf6 31.Bd5 Kh8 32.Bc4 Qb6 33.R1d4 Qg6+ 34.
Kf1 a5 35.R4d5 Qb1+ 36.Kg2 Qe4+ 37.Qf3 Qg6+ 38.Rg5 Qc2+ 39.Kh3 Qc3 40.Rd3 
Qe1 41.Rxa5 Bc7 42.Rad5 Bb6 43.Re5 Rxe5 44.fxe5 Bc7 45.Rd7 Bd8 46.Kg2 Qh4 
47.Qf4 Qh5 48.e6 Qc5 49.Rxf7 Be7 50.Qg4 Rxf7 51.exf7 Bf8 52.Qe6 Qg5+ 53.
Kh3 Qh5+ 54.Kg3 Qg5+ 55.Kf3 Qh5+ 56.Kg2 Qg5+ 57.Kf1 Qf6+ 58.Qxf6 gxf6 59.
e4 Kg7 60.Ke2 Bd6 61.h3 Kf8 62.Kd3 Ke7 63.Bd5 Kd7 64.Kc4 Bf8 65.Kb5 Kc7 
66.Bc4 Be7 67.Ka4 Kc6 68.a3 bxa3 69.b4 Kb6 70.Kxa3 Kc6 71.Kb3 Kd6 72.Ka4 
Kc6 73.Ka5 Kb7 74.Bd5+ Kc7 75.b5 Ba3 76.b6+ Kc8 77.Ka6 Kb8 78.Kb5 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.03"]
[Round "10"]
[White "Kurajica, Bojan"]
[Black "Hort, Vlastimil"]
[Result "1/2-1/2"]
[WhiteElo "2495"]
[BlackElo "2575"]
[ECO "B13"]
[EventDate "1981.07.24"]
[PlyCount "29"]

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.h3 Bf5 5.Bd3 Bxd3 6.Qxd3 Nc6 7.c3 Nf6 8.Nf3 
e6 9.Bf4 Bd6 10.Bxd6 Qxd6 11.O-O O-O 12.Nbd2 Qf4 13.Rfe1 Rac8 14.Qe3 Qxe3 
15.fxe3 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.03"]
[Round "10"]
[White "Wirthensohn, Heinz"]
[Black "Zueger, Beat"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2360"]
[ECO "E91"]
[EventDate "1981.07.24"]
[PlyCount "73"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.Be2 O-O 6.Nf3 Bg4 7.Be3 Nfd7 8.Ng1 
Bxe2 9.Ngxe2 Nb6 10.b3 e6 11.Qd2 d5 12.c5 Nc8 13.f3 b6 14.Rd1 c6 15.O-O 
Nd7 16.Na4 b5 17.Nb2 a5 18.a3 Ne7 19.Nd3 Qe8 20.Bh6 Bxh6 21.Qxh6 a4 22.b4 
Rd8 23.Nef4 Nf6 24.e5 Nd7 25.g4 Kh8 26.Rde1 Ng8 27.Qh3 Qe7 28.Re2 Rde8 29.
Rfe1 Nb8 30.Qg3 Na6 31.Kh1 Nc7 32.Nh3 Rc8 33.Kg2 Kg7 34.f4 Rfd8 35.f5 Kf8 
36.f6 Qd7 37.g5 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.03"]
[Round "10"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Kaenel, Hansjuerg"]
[Result "1-0"]
[WhiteElo "2425"]
[ECO "B40"]
[EventDate "1981.07.24"]
[PlyCount "74"]

1.e4 c5 2.Nf3 e6 3.b3 a6 4.Bb2 b5 5.d4 cxd4 6.Nxd4 Bb7 7.Bd3 d5 8.e5 Ne7 
9.Nd2 Nd7 10.O-O Qb6 11.Re1 g6 12.N2f3 Bg7 13.Qd2 Nc5 14.Qf4 O-O 15.Qh4 
Nf5 16.Bxf5 exf5 17.e6 f6 18.Re3 Rae8 19.Rae1 Ne4 20.c3 Rc8 21.Qf4 Qc7 22.
Qh4 Rfe8 23.Qh3 Qf4 24.g3 Qd6 25.Nh4 Ng5 26.Qg2 Rc7 27.Qf1 Bc8 28.Ng2 Rce7
29.Nf4 Bh6 30.Nc2 Rc7 31.Ba3 Qd8 32.Qd3 Bb7 33.f3 Qa8 34.Nd4 Bf8 35.Bxf8 
Kxf8 36.h4 Ne4 37.fxe4 dxe4 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.03"]
[Round "10"]
[White "Bichsel, Walter"]
[Black "Hammer, Peter"]
[Result "1/2-1/2"]
[WhiteElo "2320"]
[ECO "B01"]
[EventDate "1981.07.24"]
[PlyCount "32"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Nf3 Bg4 6.Be2 c6 7.O-O e6 8.Ne5 
Bxe2 9.Qxe2 Be7 10.Bg5 O-O 11.Rad1 Qd8 12.Rfe1 Nbd7 13.Rd3 Nd5 14.Bxe7 
Nxc3 15.Bxd8 Nxe2+ 16.Rxe2 Rfxd8 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.03"]
[Round "10"]
[White "Franzoni, Giancarlo"]
[Black "Gruenfeld, Yehuda"]
[Result "0-1"]
[WhiteElo "2255"]
[BlackElo "2500"]
[ECO "B25"]
[EventDate "1981.07.24"]
[PlyCount "110"]

1.e4 c5 2.Nc3 d6 3.g3 Nc6 4.Bg2 g6 5.d3 Bg7 6.Nh3 e5 7.O-O Nge7 8.f4 O-O 
9.f5 gxf5 10.exf5 f6 11.Nd5 Nxd5 12.Bxd5+ Kh8 13.Bg2 d5 14.Qh5 Ne7 15.g4 
Qe8 16.Qh4 Qf7 17.Rf3 Bd7 18.Nf2 Rg8 19.Rh3 Bf8 20.Nh1 Qg7 21.Ng3 Rd8 22.
Bd2 Nxf5 23.gxf5 Bxf5 24.Rf1 Bxh3 25.Bxh3 Be7 26.Bf5 Qf7 27.Kh1 Rd6 28.Nh5
Ra6 29.a3 b5 30.Rf3 b4 31.Rh3 bxa3 32.bxa3 Rxa3 33.Ng3 Ra1+ 34.Kg2 Rg7 35.
Bh6 Rg6 36.Qh5 Kg8 37.Rh4 Ra6 38.Rg4 Rxg4 39.Qxg4+ Kh8 40.Nh5 Bf8 41.Bxf8 
Qxf8 42.Be6 f5 43.Bxf5 Qg8 44.Qxg8+ Kxg8 45.h3 Kf7 46.Kf3 Ra1 47.c4 dxc4 
48.dxc4 a5 49.Ng3 a4 50.Ne2 a3 51.Nc3 a2 52.Nxa2 Rxa2 53.Bxh7 Rd2 54.Be4 
Kf6 55.h4 Rd4 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.03"]
[Round "10"]
[White "Partos, Charles"]
[Black "Stean, Michael Francis"]
[Result "1/2-1/2"]
[WhiteElo "2425"]
[ECO "E46"]
[EventDate "1981.07.24"]
[PlyCount "111"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 d5 6.a3 Be7 7.cxd5 Nxd5 8.g3 
Nxc3 9.Nxc3 c5 10.dxc5 Qxd1+ 11.Nxd1 Bxc5 12.b4 Be7 13.Bb2 Bd7 14.Bg2 Bc6 
15.Rg1 Bxg2 16.Rxg2 Rc8 17.f4 Nd7 18.Bd4 Nb6 19.Nb2 f6 20.Kd1 Nd5 21.Rc2 
Rxc2 22.Kxc2 e5 23.fxe5 fxe5 24.Bxe5 Nxe3+ 25.Kb3 Ng4 26.Re1 Nxe5 27.Rxe5 
Kf7 28.Nd3 Rd8 29.Re3 Bf6 30.Ne5+ Bxe5 31.Rxe5 Rd3+ 32.Ka4 b6 33.Re4 a6 
34.b5 axb5+ 35.Kxb5 Rxa3 36.Kxb6 Rc3 37.Kb5 Kf6 38.Kb4 Rc2 39.Rh4 h6 40.
Kb3 Rc6 41.Rh5 Kg6 42.Rh4 Kf5 43.Kb2 g5 44.Rb4 Ke5 45.h4 Kf5 46.hxg5 hxg5 
47.g4+ Ke5 48.Ra4 Rc8 49.Rb4 Rf8 50.Kc3 Rf4 51.Rb5+ Kf6 52.Rb6+ Ke7 53.Kd3
Rxg4 54.Ke3 Rf4 55.Rg6 Rf5 56.Ke4 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.05"]
[Round "11"]
[White "Gruenfeld, Yehuda"]
[Black "Lobron, Eric"]
[Result "0-1"]
[WhiteElo "2500"]
[BlackElo "2405"]
[ECO "B19"]
[EventDate "1981.07.24"]
[PlyCount "78"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7
9.Bd3 Bxd3 10.Qxd3 e6 11.Bd2 Ngf6 12.Qe2 Be7 13.O-O-O a5 14.Ne5 a4 15.f4 
a3 16.b3 O-O 17.f5 Nxe5 18.dxe5 Nd5 19.Kb1 Qb6 20.c4 Qd4 21.Be1 Nc3+ 22.
Bxc3 Qxc3 23.Rd3 Qa5 24.f6 gxf6 25.exf6 Bxf6 26.Ne4 Bg7 27.c5 f5 28.Nd6 
Qxc5 29.Rc1 Qa7 30.Qxe6+ Kh8 31.Rcd1 b5 32.R3d2 Rf6 33.Qe2 Rff8 34.Rc2 f4 
35.Rxc6 Qe3 36.Qxb5 f3 37.g4 f2 38.Nf5 Qe4+ 39.Kc1 Rxf5 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.05"]
[Round "11"]
[White "Zueger, Beat"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2495"]
[ECO "A14"]
[EventDate "1981.07.24"]
[PlyCount "46"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 e6 4.c4 Be7 5.O-O O-O 6.b3 a5 7.Nc3 c6 8.d4 b6 9.
Ne5 Ba6 10.cxd5 cxd5 11.Bb2 Ra7 12.Qd2 Bb4 13.Rfc1 Rc7 14.a3 Bxc3 15.Bxc3 
Ne4 16.Bxe4 dxe4 17.Bb2 f6 18.Rxc7 Qxc7 19.Rc1 Qb7 20.Nc4 Nd7 21.Ne3 Rd8 
22.Qc2 Qa8 23.Kh1 Rc8 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.05"]
[Round "11"]
[White "Kaenel, Hansjuerg"]
[Black "Bichsel, Walter"]
[Result "0-1"]
[BlackElo "2320"]
[ECO "A48"]
[EventDate "1981.07.24"]
[PlyCount "100"]

1.e3 g6 2.d4 Bg7 3.Nf3 c5 4.dxc5 Qa5+ 5.Nbd2 Nf6 6.c4 Qxc5 7.a3 Qc7 8.b4 
O-O 9.Bb2 d6 10.Be2 b6 11.O-O Bb7 12.Rc1 Nbd7 13.Qb3 Rac8 14.Rfd1 Qb8 15.
Ne1 Rc7 16.Qa2 Rfc8 17.Qa1 Ne8 18.e4 Bxb2 19.Qxb2 Nef6 20.f3 Bc6 21.b5 Bb7
22.Nc2 Nc5 23.Ne3 Rd7 24.Nb1 Qc7 25.Nc3 Qd8 26.Rc2 Qf8 27.Rcd2 Qh6 28.Nc2 
Rdc7 29.a4 Nfd7 30.Qa3 Ne6 31.Na2 Rc5 32.Ne3 Rh5 33.Ng4 Qg7 34.Qe3 Rhc5 
35.Qc3 f6 36.Nb4 h5 37.Ne3 Ne5 38.Qa1 Qh6 39.Qa3 Qg5 40.Kh1 h4 41.Nbd5 
Bxd5 42.exd5 Nf4 43.Bf1 Nh5 44.Re1 Kf7 45.Rd4 Ng3+ 46.hxg3 hxg3 47.Kg1 Qh5
48.Bd3 Nxf3+ 49.Kf1 Nxd4 50.Bxg6+ Qxg6 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.05"]
[Round "11"]
[White "Toth, Bela"]
[Black "Wirthensohn, Heinz"]
[Result "0-1"]
[WhiteElo "2395"]
[BlackElo "2420"]
[ECO "E11"]
[EventDate "1981.07.24"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 Bxd2+ 6.Nbxd2 d6 7.Bg2 e5 8.e4 
O-O 9.O-O a5 10.Qc2 Nc6 11.d5 Nb8 12.Ne1 c6 13.Nd3 Na6 14.dxc6 bxc6 15.c5 
Nxc5 16.Nxc5 dxc5 17.Rfc1 Rd8 18.Nb3 c4 19.Qxc4 a4 20.Nc5 Rd4 21.Qc3 Nd7 
22.Qa3 Rb8 23.Bh3 Nxc5 24.Bxc8 Rdb4 25.Bh3 Nxe4 26.Rxc6 Nxf2 27.Bf5 g6 28.
Rf1 Ne4 29.Bxe4 Qa7+ 30.Kh1 Rxe4 31.Qd6 Re2 32.Qd5 Rf8 33.b4 Qe3 34.Rc8 
Qe4+ 35.Qxe4 Rxe4 36.Rxf8+ Kxf8 37.Rb1 Ke7 38.b5 Kd8 39.Rb2 Kc7 40.b6+ Kb7
41.Kg1 Rc4 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.05"]
[Round "11"]
[White "Hort, Vlastimil"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2425"]
[ECO "D02"]
[EventDate "1981.07.24"]
[PlyCount "106"]

1.d4 d5 2.Nf3 Nc6 3.Bf4 Bf5 4.e3 e6 5.Be2 Bd6 6.c3 Nge7 7.Qb3 O-O 8.Bg3 a6
9.Nbd2 Na5 10.Qd1 b5 11.Nh4 Nc4 12.Nxc4 bxc4 13.b3 cxb3 14.axb3 a5 15.Nxf5
Nxf5 16.Bd3 Qg5 17.Ra2 Rfb8 18.e4 Nxg3 19.hxg3 g6 20.O-O c5 21.exd5 exd5 
22.dxc5 Bxc5 23.Qf3 Rxb3 24.Bc4 Rb6 25.Bxd5 Ra7 26.Rxa5 Rf6 27.Rxc5 Rxf3 
28.Bxf7+ Raxf7 29.Rxg5 Rxc3 30.g4 Rc2 31.Ra5 Kg7 32.g3 Rb2 33.Kg2 Re2 34.
Ra4 Rb7 35.Rf4 Ree7 36.Ra1 Rbd7 37.Ra8 Re2 38.Kh3 Rf7 39.Rxf7+ Kxf7 40.
Ra7+ Kg8 41.f4 h6 42.Ra5 g5 43.fxg5 hxg5 44.Rxg5+ Kh7 45.Rh5+ Kg6 46.Rh8 
Kg7 47.Ra8 Kg6 48.Ra6+ Kg5 49.Ra5+ Kg6 50.g5 Kh5 51.g4+ Kg6 52.Kh4 Rh2+ 
53.Kg3 Rh1 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.05"]
[Round "11"]
[White "Stean, Michael Francis"]
[Black "Franzoni, Giancarlo"]
[Result "1-0"]
[BlackElo "2255"]
[ECO "D94"]
[EventDate "1981.07.24"]
[PlyCount "81"]

1.c4 c6 2.Nf3 Nf6 3.Nc3 d5 4.e3 g6 5.d4 Bg7 6.Bd3 O-O 7.O-O b6 8.b3 Bb7 9.
Ba3 Nbd7 10.cxd5 Nxd5 11.Nxd5 cxd5 12.Rc1 Bf6 13.Qe2 Rc8 14.Ba6 Rxc1 15.
Rxc1 Qb8 16.Qb5 Rc8 17.Qxd7 Rxc1+ 18.Bxc1 Bxa6 19.Qxd5 Qc8 20.Ba3 Bb7 21.
Qc4 Qf5 22.Nd2 Qg5 23.Qf1 h5 24.h3 h4 25.Nc4 Kg7 26.Bb4 b5 27.Nd2 a6 28.
Bc3 e6 29.Bb4 e5 30.dxe5 Qxe5 31.Qd3 Qc7 32.Qd6 Qxd6 33.Bxd6 Bc3 34.Nf3 f6
35.Nxh4 b4 36.Nf3 Be4 37.a3 a5 38.axb4 axb4 39.Nd4 Bd5 40.f3 Kf7 41.Kf2 
1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.05"]
[Round "11"]
[White "Hammer, Peter"]
[Black "Partos, Charles"]
[Result "1/2-1/2"]
[BlackElo "2425"]
[ECO "A37"]
[EventDate "1981.07.24"]
[PlyCount "44"]

1.Nf3 c5 2.g3 Nc6 3.Bg2 e5 4.d3 g6 5.O-O Bg7 6.c4 Nge7 7.Nc3 d6 8.a3 h6 9.
Rb1 f5 10.Bd2 a5 11.Ne1 Be6 12.Nd5 O-O 13.Nc2 Bxd5 14.cxd5 Nd4 15.Nxd4 
exd4 16.b4 cxb4 17.axb4 a4 18.b5 Qb6 19.Rb4 Ra5 20.Rc4 Rxb5 21.Qxa4 Qa6 
22.Qxa6 bxa6 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.06"]
[Round "12"]
[White "Partos, Charles"]
[Black "Kaenel, Hansjuerg"]
[Result "1-0"]
[WhiteElo "2425"]
[ECO "A58"]
[EventDate "1981.07.24"]
[PlyCount "80"]

1.d4 Nf6 2.g3 c5 3.d5 d6 4.c4 b5 5.cxb5 a6 6.bxa6 Bxa6 7.Bg2 g6 8.Bd2 Bg7 
9.Bc3 O-O 10.Nd2 Nbd7 11.Nh3 Ra7 12.Qc2 Qa8 13.e4 Bh6 14.b3 Ng4 15.Nf4 
Nde5 16.Bf1 Bxf1 17.Rxf1 Nxh2 18.Rh1 Nhg4 19.Bxe5 dxe5 20.Nd3 e6 21.Nc4 
exd5 22.Nb6 Qd8 23.Nxd5 f5 24.Qc4 Kh8 25.Nxc5 Qa5+ 26.b4 Qa3 27.Qc3 Bg5 
28.Qxa3 Rxa3 29.Ne6 Bh6 30.Nxf8 Bxf8 31.Rh4 Kg7 32.Rc1 Rxa2 33.Rc7+ Kg8 
34.Rxg4 Bxb4+ 35.Nxb4 Ra1+ 36.Ke2 fxg4 37.Nd3 Ra4 38.Ke3 Ra3 39.Re7 h5 40.
Rxe5 Kg7 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.06"]
[Round "12"]
[White "Bichsel, Walter"]
[Black "Hort, Vlastimil"]
[Result "0-1"]
[WhiteElo "2320"]
[BlackElo "2575"]
[ECO "B53"]
[EventDate "1981.07.24"]
[PlyCount "100"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 Bd7 6.Bxc6 Bxc6 7.Nc3 e6 8.Bg5
Nf6 9.O-O-O Be7 10.Rhe1 O-O 11.Qd2 Rc8 12.Kb1 Qb6 13.Nd4 Rfd8 14.f3 Qa6 
15.g4 b5 16.Nce2 Be8 17.Ng3 Rc5 18.Nb3 Rc7 19.Rg1 Rdc8 20.Rg2 Rxc2 21.Qxc2
Rxc2 22.Rxc2 h6 23.Bxf6 Bxf6 24.Nh5 b4 25.Nxf6+ gxf6 26.Nd4 Bb5 27.Nxb5 
Qxb5 28.Rcd2 a5 29.b3 Qe5 30.Rxd6 Qxh2 31.R6d3 Kg7 32.R1d2 Qg3 33.a3 f5 
34.exf5 exf5 35.axb4 axb4 36.gxf5 h5 37.Rd4 Qe1+ 38.Rd1 Qe2 39.R1d2 Qf1+ 
40.Kb2 Qe1 41.Kc2 Qe7 42.Kd1 h4 43.Re4 Qf6 44.Ke2 h3 45.Kf2 Qc3 46.Ree2 
Qc7 47.Ke3 Kf6 48.f4 Qc3+ 49.Rd3 Qc1+ 50.Ke4 Qh1+ 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.06"]
[Round "12"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Zueger, Beat"]
[Result "0-1"]
[WhiteElo "2425"]
[BlackElo "2360"]
[ECO "B31"]
[EventDate "1981.07.24"]
[PlyCount "96"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 e5 6.Bxc6 dxc6 7.d3 Qe7 8.Nbd2 
Nh6 9.a3 O-O 10.b4 cxb4 11.axb4 Be6 12.Bb2 f6 13.Bc3 Nf7 14.Nc4 Bxc4 15.
dxc4 Nd6 16.c5 Nb5 17.Bb2 Rfd8 18.Qe2 a5 19.Qc4+ Qf7 20.Qxf7+ Kxf7 21.Rxa5
Rxa5 22.bxa5 Bf8 23.c4 Nc7 24.Bc3 Na6 25.g4 Rd3 26.Re3 Rxe3 27.fxe3 Nxc5 
28.Nd2 Na4 29.Ba1 Bb4 30.Nb3 Nc5 31.Bc3 Bxc3 32.Nxc5 Bxa5 33.Nxb7 Bb6 34.
Nd6+ Ke6 35.c5 Bxc5 36.Nc4 f5 37.gxf5+ gxf5 38.exf5+ Kd5 39.Na5 Bxe3+ 40.
Kf1 c5 41.h4 Bd4 42.Nb7 e4 43.Ke2 Ke5 44.f6 Kxf6 45.Nd6 Ke5 46.Nf7+ Kf4 
47.h5 e3 48.h6 Kf5 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.06"]
[Round "12"]
[White "Lobron, Eric"]
[Black "Wirthensohn, Heinz"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[BlackElo "2420"]
[ECO "D02"]
[EventDate "1981.07.24"]
[PlyCount "71"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 Nc6 4.d4 Bf5 5.c4 e6 6.O-O Be7 7.Nc3 Ne4 8.cxd5 
exd5 9.Be3 Nxc3 10.bxc3 O-O 11.Nd2 Qd7 12.Qb3 Rfd8 13.a4 Rac8 14.Rfd1 Na5 
15.Qa2 Bh3 16.Rab1 Bxg2 17.Kxg2 Qe6 18.Qc2 b6 19.Qd3 Qc6 20.Qc2 Re8 21.Kg1
Bf6 22.Rdc1 Qd7 23.Rd1 Re6 24.Qf5 Rd8 25.Ra1 Qc6 26.Qd3 Qd7 27.Qb5 Rc6 28.
Rdc1 Qe6 29.Qd3 Nc4 30.Nxc4 Rxc4 31.Bd2 c5 32.dxc5 bxc5 33.Be3 g6 34.Rab1 
Qa6 35.Bxc5 Rc8 36.Be3 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.06"]
[Round "12"]
[White "Gruenfeld, Yehuda"]
[Black "Stean, Michael Francis"]
[Result "0-1"]
[WhiteElo "2500"]
[ECO "B19"]
[EventDate "1981.07.24"]
[PlyCount "89"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7
9.Bd3 Bxd3 10.Qxd3 Qc7 11.Bd2 e6 12.O-O-O Ngf6 13.Qe2 c5 14.Rhe1 cxd4 15.
Nxd4 Bc5 16.Nb3 Bb6 17.Bb4 Qf4+ 18.Qd2 Qxf2 19.Qc3 Qf4+ 20.Kb1 Bf2 21.Ne2 
Bxe1 22.Qxe1 Qg5 23.Ned4 Qe5 24.Qf1 a6 25.Na5 Qc7 26.Nc4 Nc5 27.Nb3 Nce4 
28.Rd4 b5 29.Nd6+ Nxd6 30.Bxd6 Qc6 31.c4 bxc4 32.Na5 Qb5 33.Nxc4 Qf5+ 34.
Qxf5 exf5 35.Ba3 Ne4 36.Rd5 f6 37.Ne3 Rd8 38.Ra5 f4 39.Nf5 Rd1+ 40.Kc2 
Rd2+ 41.Kb3 Kf7 42.Rxa6 Rb8+ 43.Ka4 Rxg2 44.Ra7+ Kg8 45.Re7 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.06"]
[Round "12"]
[White "Kurajica, Bojan"]
[Black "Toth, Bela"]
[Result "1-0"]
[WhiteElo "2495"]
[BlackElo "2395"]
[ECO "A46"]
[EventDate "1981.07.24"]
[PlyCount "71"]

1.d4 Nf6 2.Nf3 e6 3.Bf4 c5 4.e3 Be7 5.h3 Qb6 6.Qc1 O-O 7.c3 cxd4 8.exd4 d5
9.Bd3 Bd7 10.a4 Rc8 11.O-O Nc6 12.Nbd2 Nb4 13.Be2 Qd8 14.Nb3 a5 15.Qb1 Na6
16.Ne5 Be8 17.Bd3 g6 18.Bg5 Nc7 19.f4 b5 20.Nc5 Rcb8 21.Bc2 bxa4 22.Bxa4 
Bxc5 23.dxc5 Bxa4 24.Rxa4 Nce8 25.b4 Qc8 26.Bxf6 Nxf6 27.Qd1 Ne4 28.Qd4 
Ng3 29.Re1 axb4 30.Rxa8 Rxa8 31.cxb4 Ra2 32.Ng4 Qc7 33.Nf6+ Kf8 34.Nxd5 e5
35.Rxe5 Qc6 36.Re3 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.06"]
[Round "12"]
[White "Franzoni, Giancarlo"]
[Black "Hammer, Peter"]
[Result "1/2-1/2"]
[WhiteElo "2255"]
[ECO "B08"]
[EventDate "1981.07.24"]
[PlyCount "42"]

1.Nf3 g6 2.e4 Bg7 3.d4 d6 4.Nc3 Nf6 5.Be2 O-O 6.O-O Nbd7 7.Be3 e5 8.dxe5 
dxe5 9.h3 c6 10.a4 Qc7 11.Bc4 Rd8 12.Ng5 Rf8 13.Bb3 h6 14.Nf3 b6 15.Qd2 g5
16.Rfd1 Bb7 17.h4 g4 18.Bxh6 Bxh6 19.Qxh6 gxf3 20.Rxd7 Nxd7 21.Qg6+ Kh8 
1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.07"]
[Round "13"]
[White "Hammer, Peter"]
[Black "Gruenfeld, Yehuda"]
[Result "0-1"]
[BlackElo "2500"]
[ECO "A15"]
[EventDate "1981.07.24"]
[PlyCount "113"]

1.Nf3 Nf6 2.c4 g6 3.b4 Bg7 4.Bb2 O-O 5.e3 d6 6.Be2 e5 7.d3 a5 8.a3 e4 9.
dxe4 Nxe4 10.Bxg7 Kxg7 11.b5 Qf6 12.Qd4 Nd7 13.O-O Ndc5 14.Nfd2 Nxd2 15.
Nxd2 Bf5 16.Qxf6+ Kxf6 17.Nf3 b6 18.Nd4 Be4 19.Bf3 Rae8 20.Bxe4 Rxe4 21.
Ra2 Kg7 22.g3 f5 23.Rc2 g5 24.Nf3 h6 25.Nd2 Re6 26.Rc3 f4 27.exf4 gxf4 28.
g4 Rg6 29.f3 Re6 30.Nb3 Nxb3 31.Rxb3 Rfe8 32.Rd3 Re3 33.Rfd1 a4 34.R1d2 
R8e5 35.Kf2 Kf6 36.h4 Ke6 37.Rd4 Rxa3 38.Rxf4 Rc3 39.Kg3 a3 40.Rf8 Ke7 41.
Rf4 Rb3 42.Ra2 Re1 43.Rd4 Kf6 44.Rdd2 Ree3 45.Rf2 h5 46.gxh5 Re5 47.Kg4 
Rc5 48.Rfc2 d5 49.cxd5 Rxc2 50.Rxc2 Rxb5 51.Rc6+ Ke7 52.Rxc7+ Kd6 53.Rc2 
Ra5 54.Ra2 b5 55.h6 b4 56.h7 Ra8 57.Kf5 0-1

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.07"]
[Round "13"]
[White "Zueger, Beat"]
[Black "Bichsel, Walter"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2320"]
[ECO "A07"]
[EventDate "1981.07.24"]
[PlyCount "33"]

1.g3 Nf6 2.Bg2 d5 3.Nf3 g6 4.O-O Bg7 5.d3 O-O 6.a3 c6 7.Nbd2 Re8 8.e4 e5 
9.b4 Bg4 10.Bb2 a5 11.Qe1 Nbd7 12.h3 Bxf3 13.Bxf3 Nb6 14.Nb3 axb4 15.axb4 
Rxa1 16.Qxa1 Qe7 17.Nc5 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.07"]
[Round "13"]
[White "Kaenel, Hansjuerg"]
[Black "Franzoni, Giancarlo"]
[Result "1/2-1/2"]
[BlackElo "2255"]
[ECO "D71"]
[EventDate "1981.07.24"]
[PlyCount "56"]

1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 O-O 5.e3 c6 6.Nge2 d5 7.cxd5 cxd5 8.O-O 
Bg4 9.h3 Bxe2 10.Qxe2 e6 11.d4 Nc6 12.Bd2 Rc8 13.Rac1 Nd7 14.Na4 a6 15.Nc5
Nxc5 16.Rxc5 Qd7 17.Rfc1 Ne7 18.Qd1 Rxc5 19.Rxc5 Rc8 20.Rxc8+ Qxc8 21.Bf1 
Bf8 22.Bd3 Qc6 23.Qc2 Qxc2 24.Bxc2 Nc6 25.a3 Bd6 26.f4 f5 27.Kf2 Kf7 28.
Ke2 Ke7 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.07"]
[Round "13"]
[White "Wirthensohn, Heinz"]
[Black "Kurajica, Bojan"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2495"]
[ECO "E11"]
[EventDate "1981.07.24"]
[PlyCount "8"]

1.c4 e6 2.d4 Nf6 3.Nf3 Bb4+ 4.Bd2 a5 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.07"]
[Round "13"]
[White "Hort, Vlastimil"]
[Black "Partos, Charles"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2425"]
[ECO "E30"]
[EventDate "1981.07.24"]
[PlyCount "131"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.e3 Bxc3+ 7.bxc3 d6 8.Bd3 
Nc6 9.Ne2 g5 10.Bg3 e5 11.d5 Ne7 12.Qc2 h5 13.h4 g4 14.f3 Bd7 15.Bf2 Qc7 
16.Ng3 gxf3 17.gxf3 O-O-O 18.Kd2 Kb8 19.Rag1 Qc8 20.Ne2 Bf5 21.e4 Bg6 22.
Ng3 Ne8 23.Be3 Rh7 24.Rh2 Ka8 25.Kc1 Qc7 26.Kb2 Nc8 27.Ka1 Qa5 28.Rhg2 Nb6
29.Qb3 Nd7 30.Rb2 Qc7 31.Rgb1 Nb6 32.Qa3 Kb8 33.Rb5 Qe7 34.Ra5 Nc8 35.Bg5 
f6 36.Be3 Nc7 37.Nf1 Be8 38.Nd2 Ka8 39.Qb2 b6 40.Ra3 Bd7 41.Qc1 Rg8 42.Qh1
Rg3 43.Bf1 Rhg7 44.Rab3 f5 45.Bf2 R3g6 46.exf5 Bxf5 47.Ne4 Qd7 48.Be3 Ne8 
49.Bg5 Bxe4 50.fxe4 Nf6 51.Bh3 Ng4 52.Rf1 Rf7 53.Rxf7 Qxf7 54.Rb1 Qd7 55.
Qf3 Rg7 56.Qf5 Kb7 57.Qxd7+ Rxd7 58.Rg1 Rf7 59.Bxg4 hxg4 60.h5 b5 61.cxb5 
Nb6 62.Kb2 Rf3 63.h6 Nc4+ 64.Kc2 g3 65.h7 Rf2+ 66.Kb3 1-0

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.07"]
[Round "13"]
[White "Toth, Bela"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1/2-1/2"]
[WhiteElo "2395"]
[BlackElo "2425"]
[ECO "D07"]
[EventDate "1981.07.24"]
[PlyCount "85"]

1.d4 d5 2.c4 Nc6 3.Nf3 Bg4 4.cxd5 Bxf3 5.dxc6 Bxc6 6.Nc3 Nf6 7.Bg5 Qd6 8.
Qd3 O-O-O 9.Rd1 h6 10.Bh4 Qb4 11.Rd2 e6 12.e3 g5 13.Bg3 Nh5 14.a3 Qa5 15.
f3 Nxg3 16.hxg3 f5 17.Qc4 Bd6 18.f4 a6 19.Qxe6+ Kb8 20.Qb3 h5 21.Bc4 h4 
22.fxg5 Bxg3+ 23.Kd1 f4 24.e4 f3 25.gxf3 Bf4 26.Rd3 Qxg5 27.d5 Qg2 28.Re1 
Bb5 29.Nxb5 axb5 30.Bxb5 Rh6 31.Bc6 Rxc6 32.dxc6 Rxd3+ 33.Qxd3 Qxb2 34.e5 
h3 35.e6 h2 36.e7 Qc1+ 37.Ke2 Qb2+ 38.Kd1 Qc1+ 39.Ke2 Qxe1+ 40.Kxe1 h1=Q+ 
41.Ke2 Qh2+ 42.Kd1 Qg1+ 43.Ke2 1/2-1/2

[Event "14th Biel Festival"]
[Site "Biel SUI"]
[Date "1981.08.07"]
[Round "13"]
[White "Stean, Michael Francis"]
[Black "Lobron, Eric"]
[Result "1/2-1/2"]
[BlackElo "2405"]
[ECO "A30"]
[EventDate "1981.07.24"]
[PlyCount "66"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 d6
9.e4 Nbd7 10.Qe3 a6 11.Nd4 Qc7 12.b3 O-O 13.Bb2 Rfe8 14.Qd2 Bf8 15.Rfe1 
Rad8 16.Re2 Qb8 17.Rae1 g6 18.Qd1 Bg7 19.Ba1 Ba8 20.Nc2 b5 21.cxb5 axb5 
22.Nb4 Ne5 23.Rd2 Qb6 24.Nb1 Nc6 25.Nxc6 Bxc6 26.Rc2 e5 27.Nc3 b4 28.Nd5 
Nxd5 29.exd5 Bd7 30.Qd2 Rc8 31.Rec1 Rxc2 32.Rxc2 Bf6 33.h4 Rc8 1/2-1/2
