[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.19"]
[Round "1"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Hoelzl, Franz"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2415"]
[ECO "B33"]
[EventDate "1980.07.19"]
[PlyCount "65"]

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 Ne7 12.Nc2 Nxd5 13.Qxd5 Rb8 14.Nb4 O-O 15.
Qd3 Qd7 16.Be2 a5 17.Nd5 Bd8 18.Ne3 Bb6 19.Bg4 Qa7 20.Bxc8 Bxe3 21.fxe3 
Rfxc8 22.O-O Qc5 23.Rad1 Rb6 24.Rf2 Kf8 25.Qe2 Rc7 26.a3 b4 27.Rd5 Qc6 28.
axb4 axb4 29.cxb4 Rxb4 30.Qd3 Ke7 31.Rd2 Rxb2 32.Rxd6 Rxd2 33.Rxc6 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.19"]
[Round "1"]
[White "Hebert, Jean"]
[Black "Farron, Malcolm"]
[Result "0-1"]
[WhiteElo "2360"]
[ECO "A14"]
[EventDate "1980.07.19"]
[PlyCount "96"]

1.Nf3 Nf6 2.c4 e6 3.g3 Be7 4.Bg2 O-O 5.O-O d5 6.b3 Nbd7 7.Bb2 b6 8.e3 Ba6 
9.Qe2 c5 10.Nc3 Rc8 11.d3 Bb7 12.Rae1 a6 13.e4 dxe4 14.dxe4 Qc7 15.e5 Ng4 
16.Nb1 Nh6 17.Nbd2 b5 18.h3 bxc4 19.Nxc4 Nf5 20.g4 Bxf3 21.Qxf3 Nh4 22.Qe4
Nxg2 23.Kxg2 Nb6 24.Rc1 Rfd8 25.Nxb6 Qxb6 26.Rfd1 h6 27.Qe2 Rd5 28.Rxd5 
exd5 29.f4 Qb5 30.Qf3 Qa5 31.Rc2 c4 32.bxc4 Rxc4 33.Re2 Re4 34.Kg3 Qxa2 
35.Rxe4 dxe4 36.Qc3 Qd5 37.e6 f6 38.Qc8+ Kh7 39.Qc2 Qxe6 40.Bd4 Qd5 41.Be3
Bb4 42.Qc8 a5 43.Kf2 a4 44.h4 Bd2 45.Qa6 Bxe3+ 46.Kxe3 Qd3+ 47.Qxd3 exd3 
48.Kxd3 h5 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.19"]
[Round "1"]
[White "Liberzon, Vladimir"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2510"]
[ECO "C67"]
[EventDate "1980.07.19"]
[PlyCount "99"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Be7 6.Qe2 Nd6 7.Bxc6 bxc6 8.
dxe5 Nb7 9.c4 O-O 10.Nc3 f6 11.Re1 fxe5 12.Nxe5 Bf6 13.Bf4 Nc5 14.Bg3 Bxe5
15.Bxe5 d6 16.Bd4 Ne6 17.Rad1 Nxd4 18.Rxd4 Qf6 19.Re4 Bd7 20.f3 Rfe8 21.
Qd2 Rxe4 22.Nxe4 Qe5 23.Qc3 Re8 24.Qxe5 Rxe5 25.Kf2 Bf5 26.Nc3 Rxe1 27.
Kxe1 Be6 28.b3 Kf7 29.Kd2 Ke7 30.Ke3 c5 31.g4 c6 32.Ke4 g5 33.f4 Bxg4 34.
fxg5 Ke6 35.h4 Bh5 36.Kf4 d5 37.Nb1 a5 38.Nd2 Be2 39.Ke3 Bh5 40.Kf4 Bg6 
41.a3 Bh5 42.Nb1 Bd1 43.Nd2 Be2 44.Nb1 a4 45.Ke3 Bd1 46.bxa4 Bxa4 47.Kf4 
Bb3 48.Nd2 Bd1 49.Nb1 Be2 50.Nd2 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.19"]
[Round "1"]
[White "Sahovic, Dragutin"]
[Black "Franzoni, Giancarlo"]
[Result "1-0"]
[WhiteElo "2485"]
[ECO "D02"]
[EventDate "1980.07.19"]
[PlyCount "45"]

1.d4 d5 2.Nf3 e6 3.Bf4 c5 4.e3 Nc6 5.c3 Nf6 6.Nbd2 Be7 7.Ne5 O-O 8.Bd3 Bd7
9.Qf3 Rc8 10.Qh3 g6 11.Bh6 Re8 12.f4 Nxe5 13.fxe5 Nh5 14.g4 Ng7 15.O-O Rf8
16.Nf3 b5 17.Bf4 h5 18.gxh5 Nxh5 19.Bh6 Ng7 20.Kh1 b4 21.Rg1 Nf5 22.Ng5 
bxc3 23.Bg7 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.19"]
[Round "1"]
[White "Shamkovich, Leonid"]
[Black "Wirthensohn, Heinz"]
[Result "1-0"]
[WhiteElo "2515"]
[BlackElo "2425"]
[ECO "B83"]
[EventDate "1980.07.19"]
[PlyCount "199"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Be7 7.Be3 Nc6 8.O-O 
O-O 9.f4 e5 10.Nb3 exf4 11.Rxf4 Nd7 12.Rf2 Nde5 13.Nd4 Nxd4 14.Qxd4 Bh4 
15.Rff1 Bf6 16.Qd2 Nc6 17.Rab1 Be5 18.Nd5 Be6 19.Bg5 Qd7 20.c3 Kh8 21.Rbd1
Rac8 22.Qe1 f6 23.Be3 Ne7 24.Bxa7 Bxd5 25.exd5 Qa4 26.Bd4 Qxa2 27.Bg4 Ra8 
28.Qf2 Bxd4 29.Rxd4 f5 30.Bf3 Ng6 31.Rb4 Rab8 32.Qb6 Ne5 33.Qxd6 Nxf3+ 34.
Rxf3 Rbd8 35.Qc5 Rfe8 36.Rxb7 Rxd5 37.Qc7 Rd1+ 38.Kf2 Rd2+ 39.Kg3 Rg8 40.
Rf2 Rxf2 41.Kxf2 Qa4 42.h3 f4 43.Rb8 Qe4 44.Rxg8+ Kxg8 45.Qd8+ Kf7 46.Qd2 
g5 47.b4 Kg6 48.Qe2 Qd5 49.h4 h5 50.Qa6+ Kg7 51.Qa7+ Kg6 52.Qd4 Qa2+ 53.
Kf3 g4+ 54.Kxf4 Qxg2 55.Qe4+ Qxe4+ 56.Kxe4 Kf6 57.c4 Ke6 58.c5 Kd7 59.b5 
Kc8 60.c6 Kc7 61.Ke3 Kd6 62.Kd4 Kc7 63.Kc5 g3 64.b6+ Kc8 65.Kd6 g2 66.b7+ 
Kb8 67.Kd7 g1=Q 68.c7+ Kxb7 69.c8=Q+ Ka7 70.Qc7+ Ka6 71.Qc4+ Ka7 72.Qa4+ 
Kb6 73.Qb3+ Ka6 74.Qc4+ Kb6 75.Qe6+ Kb7 76.Qd5+ Kb6 77.Qxh5 Qg7+ 78.Ke6 
Qg8+ 79.Ke7 Qg7+ 80.Qf7 Qg3 81.Qf6+ Kc7 82.Qg5 Qa3+ 83.Kf7 Qb3+ 84.Kg7 
Qc3+ 85.Qf6 Qg3+ 86.Kh7 Qh3 87.Qg5 Kb6 88.h5 Qd7+ 89.Qg7 Qh3 90.Qe5 Qd7+ 
91.Kg6 Qd3+ 92.Qf5 Qg3+ 93.Kf7 Qc7+ 94.Kg8 Qb8+ 95.Kg7 Qc7+ 96.Qf7 Qh2 97.
h6 Ka5 98.h7 Qe5+ 99.Qf6 Qg3+ 100.Kh6 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.19"]
[Round "1"]
[White "Toth, Bela"]
[Black "Gruenfeld, Yehuda"]
[Result "1/2-1/2"]
[WhiteElo "2390"]
[BlackElo "2455"]
[ECO "D37"]
[EventDate "1980.07.19"]
[PlyCount "87"]

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bf4 O-O 6.e3 c5 7.dxc5 Bxc5 8.Qc2 
Nc6 9.Rd1 Qa5 10.a3 Be7 11.Nd2 e5 12.Bg5 d4 13.Nb3 Qd8 14.Be2 a5 15.Bxf6 
Bxf6 16.exd4 exd4 17.O-O g6 18.Nd5 Bg7 19.Nc5 Ne7 20.Bf3 Nxd5 21.Bxd5 Qb6 
22.Nd3 Bf5 23.Rfe1 Rae8 24.b3 g5 25.g3 Rxe1+ 26.Rxe1 Qg6 27.Rd1 b6 28.Qe2 
Qd6 29.a4 Bg6 30.Qg4 h6 31.h4 Qf6 32.hxg5 Qxg5 33.Qxg5 hxg5 34.Rd2 Re8 35.
Kf1 Kf8 36.Ne1 Bb1 37.Nd3 f5 38.Kg2 Bf6 39.g4 fxg4 40.Kg3 Kg7 41.Kxg4 Rh8 
42.f3 Rh1 43.Be4 Bxd3 44.Rxd3 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.20"]
[Round "2"]
[White "Farron, Malcolm"]
[Black "Liberzon, Vladimir"]
[Result "1-0"]
[BlackElo "2545"]
[ECO "B41"]
[EventDate "1980.07.19"]
[PlyCount "71"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.g3 d5 6.Nb3 dxe4 7.Qxd8+ Kxd8 8.Bg2
f5 9.Nc3 Nf6 10.f3 exf3 11.Bxf3 e5 12.Be3 Kc7 13.Na4 Nbd7 14.O-O g5 15.
Bxg5 Rg8 16.Bd2 f4 17.c4 Kd8 18.Rad1 Ke8 19.Rde1 fxg3 20.c5 Be7 21.h3 Rb8 
22.Bc3 Rg5 23.Re2 Nh5 24.Bd2 Rf5 25.Nd4 exd4 26.Bxh5+ Rxh5 27.Rfe1 Nf6 28.
Rxe7+ Kf8 29.Bf4 d3 30.R7e3 d2 31.Rd1 Ra8 32.Nb6 Nd5 33.Bd6+ Kf7 34.Rf3+ 
Rf5 35.Rxf5+ Bxf5 36.Nxa8 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.20"]
[Round "2"]
[White "Franzoni, Giancarlo"]
[Black "Hebert, Jean"]
[Result "1-0"]
[BlackElo "2360"]
[ECO "B06"]
[EventDate "1980.07.19"]
[PlyCount "69"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.g3 Nc6 5.d5 Nd4 6.Nb1 c6 7.c3 Nb5 8.Bg2 cxd5 
9.exd5 Nf6 10.Ne2 Nc7 11.O-O O-O 12.c4 Bd7 13.Nbc3 Qc8 14.Be3 Bh3 15.Qd2 
Bxg2 16.Kxg2 Na6 17.b3 Nc5 18.Rac1 a5 19.Bxc5 Qxc5 20.Na4 Qa3 21.Nec3 Nd7 
22.Nb5 Qb4 23.Qe3 Nc5 24.Nxc5 Qxc5 25.Qxe7 Rad8 26.Qxb7 f5 27.Qa7 Qb4 28.
Qe3 a4 29.Qe1 Qc5 30.b4 Qb6 31.f4 Qb7 32.Qe6+ Kh8 33.Rfe1 Bb2 34.Rc2 Bf6 
35.Nxd6 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.20"]
[Round "2"]
[White "Gruenfeld, Yehuda"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1/2-1/2"]
[WhiteElo "2455"]
[BlackElo "2420"]
[ECO "B15"]
[EventDate "1980.07.19"]
[PlyCount "92"]

1.e4 c6 2.d4 d5 3.Nc3 g6 4.Nf3 Bg7 5.h3 Nh6 6.Bf4 f6 7.exd5 cxd5 8.Nb5 Na6
9.c4 Nf7 10.cxd5 Qxd5 11.Nc3 Qf5 12.Be3 Nc7 13.d5 O-O 14.Bc4 Rd8 15.O-O 
Nd6 16.Bb3 Qh5 17.Re1 Bf8 18.Rc1 Nce8 19.Ne2 g5 20.Ng3 Qg6 21.Nd4 Ng7 22.
f4 gxf4 23.Bxf4 Bd7 24.Qf3 Rac8 25.Nc6 bxc6 26.Bxd6 Bxh3 27.Bxe7 Bxe7 28.
d6+ Kh8 29.dxe7 Rd3 30.Re3 Rxe3 31.Qxe3 Nf5 32.Qe4 Re8 33.Nxf5 Bxf5 34.Qe2
Be4 35.Bf7 Qxf7 36.Qxe4 Qxe7 37.Qxe7 Rxe7 38.Rxc6 Re2 39.Ra6 Rxb2 40.Rxa7 
f5 41.g3 Kg8 42.a4 Ra2 43.a5 h5 44.a6 Kf8 45.Kf1 Kg8 46.Ke1 Kh8 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.20"]
[Round "2"]
[White "Hoelzl, Franz"]
[Black "Sahovic, Dragutin"]
[Result "1-0"]
[WhiteElo "2415"]
[BlackElo "2485"]
[ECO "E82"]
[EventDate "1980.07.19"]
[PlyCount "83"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 b6 7.Qd2 c5 8.d5 e6 9.
Bg5 exd5 10.Nxd5 Be6 11.Ne2 Bxd5 12.exd5 Re8 13.O-O-O Nbd7 14.Nc3 a6 15.
Be2 Qc7 16.Rhe1 b5 17.cxb5 c4 18.Bf1 Reb8 19.Re7 Qd8 20.Rde1 axb5 21.Qf4 
h6 22.Rxd7 Qxd7 23.Bxf6 Bxf6 24.Qxf6 b4 25.Re7 Qf5 26.Qxf5 gxf5 27.Nb1 c3 
28.Bc4 Rc8 29.Bb3 cxb2+ 30.Kxb2 Re8 31.Rxe8+ Rxe8 32.Bc4 Re3 33.Kc2 Kg7 
34.Kd2 f4 35.Kd1 Kf6 36.Nd2 Ke5 37.Bb3 Kd4 38.Nc4 Re8 39.Nxd6 Rg8 40.Nxf7 
Rxg2 41.d6 Ke3 42.Be6 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.20"]
[Round "2"]
[White "Shamkovich, Leonid"]
[Black "Toth, Bela"]
[Result "1-0"]
[WhiteElo "2515"]
[BlackElo "2390"]
[ECO "A28"]
[EventDate "1980.07.19"]
[PlyCount "77"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Be7 5.Qc2 O-O 6.a3 a5 7.b3 Re8 8.Bd3 h6 
9.Bb2 Bf8 10.O-O d5 11.cxd5 Nxd5 12.Nxd5 Qxd5 13.Bh7+ Kh8 14.Be4 Qd6 15.
Rac1 Bd7 16.Qc3 f6 17.Nh4 Be6 18.f4 Bd5 19.Ng6+ Kg8 20.fxe5 Nxe5 21.Bxd5+ 
Qxd5 22.Nxf8 Rxf8 23.d4 Nf7 24.Qd3 Ne5 25.Qe2 Nc6 26.Qc4 Qxc4 27.Rxc4 Rfe8
28.Kf2 Rad8 29.Rc5 Rd7 30.Rfc1 Ne5 31.Ke2 Ng4 32.R1c3 Rxd4 33.h3 Nf2 34.
Rc2 Rf4 35.g3 Rfe4 36.Kxf2 Rxe3 37.R5c3 Re1 38.Rxc7 R8e3 39.R7c3 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.20"]
[Round "2"]
[White "Wirthensohn, Heinz"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[WhiteElo "2425"]
[BlackElo "2510"]
[ECO "A17"]
[EventDate "1980.07.19"]
[PlyCount "46"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 4.Qc2 O-O 5.a3 Bxc3 6.Qxc3 c5 7.g3 b6 8.Bg2 
Bb7 9.O-O d5 10.d3 Nbd7 11.b3 Re8 12.e3 Rc8 13.Bb2 Rc7 14.Rac1 Qa8 15.cxd5
Bxd5 16.e4 Bb7 17.Nh4 Qd8 18.f4 Nb8 19.Nf3 Nc6 20.b4 Rd7 21.Rfd1 Nd4 22.
Nxd4 cxd4 23.Qb3 Ng4 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.21"]
[Round "3"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Shamkovich, Leonid"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2515"]
[ECO "B81"]
[EventDate "1980.07.19"]
[PlyCount "94"]

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.Qd2 a6 10.f4 Bd7 11.Bg2 Qc7 12.O-O-O Be7 13.h4 Nxd4 14.Qxd4 Bc6 15.
Rhe1 O-O-O 16.f5 e5 17.Qa7 Rd7 18.Rd3 Qb8 19.Qg1 Ne8 20.f6 gxf6 21.Be3 
Rxh4 22.Ba7 Qa8 23.Bh3 b5 24.Bf5 Nc7 25.Bf2 Rf4 26.Bxd7+ Kxd7 27.Bg3 Rg4 
28.Qf2 Qg8 29.Red1 Qg5+ 30.Kb1 Bxe4 31.Nxe4 Rxe4 32.Qa7 Rc4 33.Bf2 Qg2 34.
b3 Rc6 35.R3d2 Qg8 36.Bh4 Qg4 37.Bf2 Qg8 38.Bh4 Qg4 39.Bf2 Qb4 40.Bb6 Qa3 
41.Qb8 Qb4 42.Bxc7 Rxc7 43.Qg8 Kc6 44.Qa8+ Kb6 45.Qb8+ Kc6 46.Qa8+ Kb6 47.
Qb8+ Kc6 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.21"]
[Round "3"]
[White "Hebert, Jean"]
[Black "Hoelzl, Franz"]
[Result "0-1"]
[WhiteElo "2360"]
[BlackElo "2415"]
[ECO "D85"]
[EventDate "1980.07.19"]
[PlyCount "49"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 c5 8.Be3 
Bg4 9.Rb1 Bxf3 10.gxf3 O-O 11.Qd2 cxd4 12.cxd4 Nc6 13.d5 Ne5 14.Be2 Qc8 
15.Rb5 Qh3 16.Bf4 Rac8 17.Qb4 Qg2 18.Rf1 Rc7 19.Kd1 Rfc8 20.Qe1 Qh3 21.Bd2
Bh6 22.f4 Qxh2 23.Rb1 Bxf4 24.Rh1 Qg2 25.Bf1 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.21"]
[Round "3"]
[White "Liberzon, Vladimir"]
[Black "Franzoni, Giancarlo"]
[Result "1-0"]
[WhiteElo "2545"]
[ECO "B32"]
[EventDate "1980.07.19"]
[PlyCount "87"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 a6 6.Nd6+ Bxd6 7.Qxd6 Qf6 8.
Qd1 Qg6 9.Nc3 d5 10.Nxd5 Qxe4+ 11.Be3 Nd4 12.Nc7+ Ke7 13.Rc1 Bg4 14.Qd3 
Qxd3 15.Bxd3 Rd8 16.h3 Bc8 17.f4 exf4 18.Bxf4 Ne6 19.Nxe6 Bxe6 20.O-O Nf6 
21.a3 Nd5 22.Bd2 Rd7 23.Rce1 Rc8 24.Rf3 b5 25.b3 h6 26.c4 bxc4 27.Bxc4 Ra8
28.a4 Kd6 29.b4 Kc7 30.b5 axb5 31.Bxb5 Rd6 32.Rd1 Kb7 33.Bb4 Rdd8 34.Rfd3 
Kc7 35.Rc1+ Kb6 36.Bc5+ Ka5 37.Rcd1 Rac8 38.Be7 Re8 39.Bxe8 Rxe8 40.Rxd5+ 
Bxd5 41.Rxd5+ Kxa4 42.Rd7 f5 43.Bh4 g5 44.Bf2 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.21"]
[Round "3"]
[White "Pachman, Ludek"]
[Black "Farron, Malcolm"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[ECO "E19"]
[EventDate "1980.07.19"]
[PlyCount "92"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 f5 10.b3 Bf6 11.Bb2 d6 12.Rad1 Qe8 13.Ne1 Bxg2 14.Nxg2 g5 15.
Qf3 Nc6 16.e4 Ne7 17.Rfe1 Bg7 18.exf5 Nxf5 19.Qe2 Qf7 20.Qxe6 Qxe6 21.Rxe6
Rae8 22.Rxe8 Rxe8 23.Ne3 Nxe3 24.Re1 Nxc4 25.Rxe8+ Kf7 26.Re2 Nxb2 27.Rxb2
Bxd4 28.Re2 Be5 29.f4 gxf4 30.gxf4 Bf6 31.Kf2 d5 32.Kf3 c5 33.Kg4 b5 34.
Kf5 c4 35.Re6 Bb2 36.bxc4 bxc4 37.Re2 Bf6 38.Rd2 d4 39.Ke4 d3 40.Rd1 Ke6 
41.Rb1 Kd6 42.Ke3 Kc6 43.Rb4 Kc5 44.Rb7 a6 45.Rxh7 Bb2 46.Kd2 Kd4 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.21"]
[Round "3"]
[White "Sahovic, Dragutin"]
[Black "Gruenfeld, Yehuda"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2455"]
[ECO "D01"]
[EventDate "1980.07.19"]
[PlyCount "42"]

1.d4 Nf6 2.Nc3 d5 3.Bg5 c5 4.e3 Nc6 5.Nf3 Bg4 6.dxc5 e6 7.h3 Bh5 8.Be2 
Bxc5 9.O-O O-O 10.Ne1 Bxe2 11.Qxe2 Be7 12.Nd3 Ne4 13.Bxe7 Nxc3 14.Qe1 Qxe7
15.Qxc3 Rac8 16.Qd2 Qc7 17.c3 Na5 18.Qe2 Nc4 19.Rfd1 Nd6 20.Ne1 Rfd8 21.
Nf3 a6 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.21"]
[Round "3"]
[White "Toth, Bela"]
[Black "Wirthensohn, Heinz"]
[Result "1/2-1/2"]
[WhiteElo "2390"]
[BlackElo "2425"]
[ECO "E11"]
[EventDate "1980.07.19"]
[PlyCount "74"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 c5 5.Bxb4 cxb4 6.e3 O-O 7.Bd3 d6 8.O-O 
Nbd7 9.a3 e5 10.Bc2 bxa3 11.Rxa3 b6 12.Nc3 Bb7 13.d5 a5 14.Ba4 Nc5 15.Bb5 
Ba6 16.Nd2 Bxb5 17.Nxb5 Qd7 18.Nb1 Ne8 19.N1c3 Nc7 20.Qc2 Nxb5 21.Nxb5 f5 
22.f4 exf4 23.exf4 Rfe8 24.Raa1 Rac8 25.Rae1 Rxe1 26.Rxe1 Re8 27.Rxe8+ 
Qxe8 28.Qf2 Qe7 29.h3 g6 30.Kh2 h5 31.Qd2 h4 32.Qf2 a4 33.Nc3 Kf7 34.Qd2 
Ne4 35.Qe3 Nxc3 36.Qxc3 Qe4 37.Qc1 Qd4 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.23"]
[Round "4"]
[White "Franzoni, Giancarlo"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[BlackElo "2510"]
[ECO "C26"]
[EventDate "1980.07.19"]
[PlyCount "102"]

1.e4 e5 2.Nc3 Nf6 3.g3 Bc5 4.Bg2 d6 5.Nge2 Nc6 6.O-O h5 7.Na4 h4 8.Nxc5 
dxc5 9.d3 hxg3 10.fxg3 Bg4 11.Be3 Nd4 12.Bxd4 Bxe2 13.Qxe2 Qxd4+ 14.Kh1 
O-O-O 15.Rab1 Rd6 16.a3 Kb8 17.Bf3 Rhd8 18.b3 Ra6 19.a4 c4 20.dxc4 Rad6 
21.Rfe1 a6 22.Rbd1 Qxd1 23.Rxd1 Rxd1+ 24.Qxd1 Rxd1+ 25.Bxd1 Nxe4 26.Bf3 
Ng5 27.Bg4 a5 28.h4 Ne4 29.Kg2 c5 30.Bf3 Nd6 31.g4 Kc7 32.Bd5 Kd7 33.Kg3 
Ke7 34.g5 g6 35.h5 gxh5 36.Kh4 Kf8 37.Kxh5 Kg7 38.Bg2 b6 39.Bd5 Nf5 40.Bb7
e4 41.Kg4 e3 42.Kf3 Nd4+ 43.Kxe3 Nxc2+ 44.Kf4 Nd4 45.Ke5 Kg6 46.Bd5 Nxb3 
47.Kd6 Kxg5 48.Bxf7 Kf4 49.Kc6 Ke3 50.Kxb6 Kd2 51.Kb5 Kc3 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.23"]
[Round "4"]
[White "Gruenfeld, Yehuda"]
[Black "Hebert, Jean"]
[Result "1-0"]
[WhiteElo "2455"]
[BlackElo "2360"]
[ECO "B06"]
[EventDate "1980.07.19"]
[PlyCount "79"]

1.e4 g6 2.d4 Bg7 3.Nc3 c6 4.Nf3 d6 5.Be2 Nh6 6.O-O O-O 7.h3 f6 8.Be3 Nf7 
9.a4 a5 10.d5 c5 11.Nd2 Na6 12.Nc4 f5 13.f4 fxe4 14.Nxe4 Bf5 15.Ng3 Nh6 
16.Nxf5 Nxf5 17.Bf2 Nd4 18.Bd3 e6 19.Ne3 exd5 20.Nxd5 Nc7 21.Nb6 Rb8 22.c3
Nde6 23.Bg3 Ne8 24.Qb3 Kh8 25.f5 c4 26.Nxc4 Nc5 27.Qc2 gxf5 28.Bxf5 b5 29.
axb5 Rxb5 30.Bxh7 Nf6 31.Nxd6 Rb6 32.Rad1 Qe7 33.Bg6 Rc6 34.Kh1 Qa7 35.Rf4
Kg8 36.Rh4 Rd8 37.b4 axb4 38.cxb4 Nce4 39.Qb3+ Kf8 40.Bxe4 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.23"]
[Round "4"]
[White "Hoelzl, Franz"]
[Black "Liberzon, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2415"]
[BlackElo "2545"]
[ECO "A27"]
[EventDate "1980.07.19"]
[PlyCount "130"]

1.c4 e5 2.Nc3 Nc6 3.Nf3 f5 4.d4 e4 5.Bg5 Be7 6.Bxe7 Qxe7 7.Ng1 Nf6 8.e3 
O-O 9.Nge2 d6 10.h4 Nd8 11.Nf4 c6 12.g3 Nf7 13.Qb3 Kh8 14.Be2 Nh6 15.Kf1 
Bd7 16.Kg2 Be8 17.Rad1 Bf7 18.Qa3 Nhg4 19.Rd2 Rfd8 20.d5 c5 21.b4 cxb4 22.
Qxb4 Ne5 23.Nb5 Nf3 24.Rb2 Rd7 25.Rd1 a6 26.Nd4 Nxd4 27.Rxd4 Rc7 28.Qb6 
Rac8 29.c5 dxc5 30.d6 Qd7 31.Rdd2 Rc6 32.Qxb7 c4 33.Qxd7 Nxd7 34.Rb7 c3 
35.Rxd7 cxd2 36.Rxf7 Rxd6 37.Bd1 Kg8 38.Rxf5 g6 39.Re5 Rc1 40.Bb3+ Kg7 41.
Re7+ Kf8 42.Rf7+ Ke8 43.Rxh7 d1=Q 44.Bxd1 Rcxd1 45.h5 gxh5 46.Rxh5 Ra1 47.
Re5+ Kf7 48.Rxe4 Rxa2 49.g4 Rdd2 50.Nh3 a5 51.g5 a4 52.Kf3 Ra1 53.Nf4 Raa2
54.g6+ Kf8 55.Ne6+ Kg8 56.Kg4 Rxf2 57.Nf4 Kf8 58.Kg5 Rfb2 59.Re6 Rb8 60.
Ra6 a3 61.Ra7 Kg8 62.e4 Rb5+ 63.Kf6 Rb6+ 64.Kf5 Rb5+ 65.e5 Rf2 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.23"]
[Round "4"]
[White "Shamkovich, Leonid"]
[Black "Sahovic, Dragutin"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2485"]
[ECO "B00"]
[EventDate "1980.07.19"]
[PlyCount "43"]

1.e4 b6 2.d4 Bb7 3.Nc3 e6 4.a3 Nf6 5.d5 Be7 6.Nf3 O-O 7.Bc4 exd5 8.exd5 
Ne8 9.O-O Nd6 10.Bd3 Na6 11.Nd4 Nc5 12.Be2 f5 13.Bf3 Bf6 14.g3 Re8 15.Nde2
Ba6 16.Re1 Nce4 17.Nxe4 Nxe4 18.c3 Qe7 19.Be3 Qf7 20.Nf4 c5 21.Qc2 g6 22.
Rad1 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.23"]
[Round "4"]
[White "Toth, Bela"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "0-1"]
[WhiteElo "2390"]
[BlackElo "2420"]
[ECO "D06"]
[EventDate "1980.07.19"]
[PlyCount "54"]

1.d4 d5 2.c4 Bf5 3.Nf3 e6 4.Qb3 Nc6 5.Bd2 Rb8 6.e3 Nf6 7.c5 a6 8.Qa4 Nd7 
9.Nc3 e5 10.Nxd5 e4 11.Ng1 Nxc5 12.Nxc7+ Qxc7 13.dxc5 Bxc5 14.Rc1 Qb6 15.
Ne2 O-O 16.Ng3 Bg6 17.Nxe4 Bb4 18.Bxb4 Nxb4 19.Nc3 Rbc8 20.Qb3 Be4 21.Bc4 
Rxc4 22.Qxc4 Nd3+ 23.Kf1 Qxb2 24.Nxe4 Nxc1 25.a4 b5 26.axb5 axb5 27.Nf6+ 
Kh8 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.23"]
[Round "4"]
[White "Wirthensohn, Heinz"]
[Black "Farron, Malcolm"]
[Result "1-0"]
[WhiteElo "2425"]
[ECO "E52"]
[EventDate "1980.07.19"]
[PlyCount "93"]

1.c4 e6 2.d4 Nf6 3.Nf3 b6 4.Nc3 Bb4 5.e3 Bb7 6.Bd3 O-O 7.O-O d5 8.cxd5 
Nxd5 9.Qc2 h6 10.e4 Nxc3 11.bxc3 Be7 12.Bf4 c5 13.Rad1 cxd4 14.cxd4 Na6 
15.a3 Bd6 16.e5 Be7 17.Qe2 Nc7 18.Bb1 Nd5 19.Qe4 g6 20.Bxh6 Re8 21.Qg4 Bf8
22.Bxf8 Kxf8 23.Ng5 Re7 24.Ne4 Rd7 25.Rd3 Ne7 26.Nf6 Ng8 27.Nxd7+ Qxd7 28.
d5 Bxd5 29.Ba2 Rd8 30.Rfd1 Qc6 31.Qf4 Kg7 32.Qd2 Ne7 33.Qg5 Kf8 34.Qh6+ 
Ke8 35.Qh8+ Kd7 36.Qf6 Ke8 37.Qh8+ Kd7 38.Qg7 Ke8 39.Bxd5 Rxd5 40.Rxd5 
exd5 41.Qf6 Qc2 42.Qf3 b5 43.Re1 a5 44.Qe3 b4 45.axb4 axb4 46.e6 f6 47.Qh6
1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.24"]
[Round "5"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Wirthensohn, Heinz"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2425"]
[ECO "B40"]
[EventDate "1980.07.19"]
[PlyCount "145"]

1.e4 c5 2.Nf3 e6 3.b3 b6 4.Bb2 Bb7 5.Nc3 d6 6.d4 cxd4 7.Qxd4 a6 8.O-O-O 
Nc6 9.Qe3 Nf6 10.h3 Qc7 11.Kb1 Be7 12.g4 O-O 13.g5 Nd7 14.h4 Rfe8 15.h5 
Bf8 16.g6 fxg6 17.hxg6 h6 18.Ng5 Nd8 19.f4 b5 20.Nh7 Rc8 21.a3 Be7 22.Bh3 
Nf6 23.Ng5 Bf8 24.Rh2 d5 25.e5 Nd7 26.Nf3 b4 27.axb4 Bxb4 28.Na2 Bc5 29.
Qd2 a5 30.f5 exf5 31.Bxf5 Ne6 32.Re1 a4 33.Nc1 a3 34.Ba1 Bf8 35.Ka2 Ndc5 
36.Nd4 Qb6 37.Qf2 Qc7 38.Nb5 Qd7 39.Rf1 Ba6 40.Bxe6+ Rxe6 41.Nd4 Bxf1 42.
Nxe6 Qxe6 43.Qxf1 Qxg6 44.Rg2 Qc6 45.Qf5 Qe6 46.Qf3 Qf7 47.Qd1 Rd8 48.Bd4 
Ne6 49.Ne2 Qf3 50.Rg3 Qf5 51.Rc3 Re8 52.Re3 Nxd4 53.Nxd4 Qf4 54.Re1 Rxe5 
55.Rxe5 Qxe5 56.c3 Qe3 57.Ne2 Qe4 58.b4 h5 59.Kxa3 h4 60.Nd4 Be7 61.Qa4 
Bf6 62.Qd7 Bxd4 63.cxd4 Qf3+ 64.Ka4 h3 65.b5 Qh5 66.Qc8+ Kh7 67.Qc2+ Qg6 
68.Qe2 Kg8 69.Ka5 Qe4 70.Qh5 Qe1+ 71.Ka6 Qe6+ 72.b6 g6 73.Qh6 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.24"]
[Round "5"]
[White "Farron, Malcolm"]
[Black "Franzoni, Giancarlo"]
[Result "1/2-1/2"]
[ECO "B21"]
[EventDate "1980.07.19"]
[PlyCount "85"]

1.e4 c5 2.f4 d5 3.exd5 Qxd5 4.Nc3 Qd8 5.Nf3 Nf6 6.Bc4 e6 7.d4 cxd4 8.Nxd4 
Qc7 9.Qe2 Bc5 10.Nb3 Bb6 11.f5 Nc6 12.Bg5 Qe5 13.Qxe5 Nxe5 14.Bb5+ Bd7 15.
O-O-O Nc6 16.Rhe1 h6 17.Bxf6 gxf6 18.Nd5 O-O-O 19.Nxf6 exf5 20.Bc4 Rhf8 
21.g3 Be6 22.Rxd8+ Bxd8 23.Bxe6+ fxe6 24.Nh5 e5 25.Rf1 Bb6 26.Kd1 Rf7 27.
c3 Kd7 28.Ke2 Ke6 29.h3 Ne7 30.Nd2 Nd5 31.Rf3 Bc7 32.g4 Nf4+ 33.Nxf4+ exf4
34.gxf5+ Kxf5 35.Rd3 Rg7 36.Rd5+ Ke6 37.Rh5 Rg2+ 38.Kd3 Rg3+ 39.Kd4 Rg6 
40.Ke4 Kf7 41.Rf5+ Ke7 42.Rh5 Ra6 43.Rb5 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.24"]
[Round "5"]
[White "Hebert, Jean"]
[Black "Shamkovich, Leonid"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2515"]
[ECO "B23"]
[EventDate "1980.07.19"]
[PlyCount "138"]

1.e4 c5 2.f4 Nc6 3.Nf3 d6 4.Bb5 Bd7 5.O-O g6 6.d3 Bg7 7.Bxc6 Bxc6 8.Nc3 e6
9.f5 exf5 10.exf5 Ne7 11.Nh4 Nxf5 12.Nxf5 gxf5 13.Qe2+ Qe7 14.Qxe7+ Kxe7 
15.Rxf5 Ke6 16.Rf2 f5 17.Ne2 Rae8 18.c3 Kd7 19.Bf4 Rhf8 20.Ng3 Re6 21.Re2 
Rg6 22.Rae1 Rf7 23.Rf1 Rg4 24.Rff2 b5 25.h3 Rg6 26.Nh5 Bh8 27.Be3 a5 28.
Kf1 b4 29.c4 Re7 30.Bf4 Rxe2 31.Rxe2 a4 32.Ng3 Rf6 33.b3 Rf8 34.Bh6 Rf7 
35.Bf4 Bd4 36.Ke1 Bc3+ 37.Kf1 Bd4 38.Ke1 Bf6 39.Kf2 Bh4 40.Kg1 Rf8 41.Kh2 
a3 42.Nh5 Rf7 43.Ng3 Rf6 44.Rd2 Bxg3+ 45.Bxg3 f4 46.Bf2 Rg6 47.Bg1 f3 48.
gxf3 Bxf3 49.d4 Kc6 50.Rf2 Be4 51.Re2 Bb1 52.Bf2 Rf6 53.Kg3 h5 54.Rd2 Be4 
55.Kh4 Rf5 56.Re2 Rf4+ 57.Kg5 Rf3 58.Kxh5 Rxh3+ 59.Kg5 Rf3 60.Kg4 Rf7 61.
Rd2 Bb1 62.Re2 Bd3 63.Rd2 Be4 64.Bg3 Rf1 65.dxc5 dxc5 66.Be5 Rf7 67.Rd6+ 
Kb7 68.Rd2 Bf5+ 69.Kf4 Bb1+ 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.24"]
[Round "5"]
[White "Liberzon, Vladimir"]
[Black "Gruenfeld, Yehuda"]
[Result "0-1"]
[WhiteElo "2545"]
[BlackElo "2455"]
[ECO "B97"]
[EventDate "1980.07.19"]
[PlyCount "56"]

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.f5 Nc6 11.fxe6 fxe6 12.Nxc6 bxc6 13.e5 dxe5 14.Bxf6 gxf6
15.Ne4 Qxa2 16.Rd1 Be7 17.Be2 O-O 18.O-O f5 19.Qh6 Qxc2 20.Ng5 Bc5+ 21.Kh1
Ra7 22.Bxa6 Bxa6 23.Qxe6+ Rff7 24.Rc1 Qd2 25.Nxf7 Rxf7 26.Rfd1 Qe3 27.Re1 
Qf2 28.Rxe5 Bf1 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.24"]
[Round "5"]
[White "Pachman, Ludek"]
[Black "Hoelzl, Franz"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2415"]
[ECO "A16"]
[EventDate "1980.07.19"]
[PlyCount "79"]

1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.Nf3 g6 5.Qa4+ Nc6 6.Ne5 Nb4 7.a3 Bg7 8.
axb4 Bxe5 9.e3 O-O 10.b5 Nb8 11.Be2 c6 12.d4 Bg7 13.O-O cxb5 14.Qxb5 Nc6 
15.d5 a6 16.Qb3 Ne5 17.e4 b5 18.Be3 e6 19.f4 exd5 20.fxe5 d4 21.Rad1 Bxe5 
22.Bf2 Qd6 23.Nd5 f5 24.Bxd4 Bxh2+ 25.Kh1 Be6 26.Qb4 Bxd5 27.Qxd6 Bxd6 28.
exd5 Rfe8 29.Bf3 g5 30.g4 h5 31.gxf5 g4 32.Bg2 h4 33.Rfe1 h3 34.Bf1 Rac8 
35.Re6 Rxe6 36.dxe6 Rc2 37.Bg1 Be7 38.Rd4 Kg7 39.Rxg4+ Kf6 40.Bxh3 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.24"]
[Round "5"]
[White "Sahovic, Dragutin"]
[Black "Toth, Bela"]
[Result "1-0"]
[WhiteElo "2485"]
[BlackElo "2390"]
[ECO "A45"]
[EventDate "1980.07.19"]
[PlyCount "81"]

1.d4 Nf6 2.Bg5 Ne4 3.Bf4 c5 4.f3 Qa5+ 5.c3 Nf6 6.d5 d6 7.e4 Nbd7 8.Na3 g6 
9.Nh3 Bg7 10.Be2 O-O 11.Nf2 b5 12.Nxb5 Rb8 13.a4 a6 14.b4 cxb4 15.cxb4 Qb6
16.a5 Qb7 17.Na3 Qxb4+ 18.Bd2 Qc5 19.Nd3 Qa7 20.Nc4 Nh5 21.Rb1 Rxb1 22.
Qxb1 Bd4 23.g4 Nhf6 24.Kf1 Qc7 25.Nb4 Nc5 26.Nc6 Ne6 27.Nb6 Bb7 28.Nxd4 
Nxd4 29.Qc1 Qxc1+ 30.Bxc1 Nb3 31.Bh6 Rb8 32.Kg2 Nxa5 33.Rb1 Ba8 34.Bd2 e6 
35.Bxa5 exd5 36.g5 Nd7 37.exd5 Bxd5 38.Rb4 Be6 39.Nxd7 Rxb4 40.Nf6+ Kg7 
41.Bxb4 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.25"]
[Round "6"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Sahovic, Dragutin"]
[Result "1-0"]
[WhiteElo "2420"]
[BlackElo "2485"]
[ECO "A34"]
[EventDate "1980.07.19"]
[PlyCount "85"]

1.e4 b6 2.d4 Bb7 3.Bd3 e6 4.Nf3 c5 5.O-O cxd4 6.Nxd4 d6 7.c4 Nf6 8.Nc3 
Nbd7 9.Qe2 Be7 10.b3 O-O 11.Bb2 Re8 12.Rad1 Bf8 13.f4 e5 14.Nf5 g6 15.fxe5
Nxe5 16.Ng3 a6 17.h3 Bg7 18.Qf2 Bc6 19.Bb1 Qc7 20.Qd2 Rad8 21.Rf2 b5 22.
Rdf1 Qe7 23.cxb5 axb5 24.Nd5 Nxd5 25.exd5 Bd7 26.Ne2 f5 27.Nd4 Rc8 28.Kh1 
Qf7 29.Be4 Qe7 30.Bf3 Qh4 31.Nc6 Nxf3 32.Rxf3 Bxb2 33.Qxb2 Bxc6 34.dxc6 
Rxc6 35.Rf4 Qe7 36.a4 bxa4 37.bxa4 Qe5 38.Qb3+ Qe6 39.Qb5 Rc5 40.Qb6 Qe5 
41.R4f2 Ra8 42.Rd2 Rxa4 43.Qd8+ 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.25"]
[Round "6"]
[White "Gruenfeld, Yehuda"]
[Black "Pachman, Ludek"]
[Result "1-0"]
[WhiteElo "2455"]
[BlackElo "2510"]
[ECO "C03"]
[EventDate "1980.07.19"]
[PlyCount "77"]

1.e4 e6 2.d4 d5 3.Nd2 b6 4.Ngf3 Nf6 5.e5 Nfd7 6.c4 Bb7 7.cxd5 Bxd5 8.Bc4 
Bxc4 9.Nxc4 Nc6 10.O-O Nb4 11.Ne3 c6 12.a3 Nd5 13.Nxd5 cxd5 14.Bg5 Be7 15.
Bxe7 Qxe7 16.Qa4 O-O 17.Rfc1 Qd8 18.Qa6 Re8 19.Rc3 Nf8 20.Rac1 Re7 21.h4 
h6 22.h5 Rd7 23.Rc6 Qe7 24.Rc8 Rxc8 25.Qxc8 g6 26.hxg6 fxg6 27.Rc3 Rd8 28.
Qc6 g5 29.Nh2 h5 30.Rg3 Nh7 31.Qc2 Kh8 32.Qg6 h4 33.Rc3 Rf8 34.Rc6 Qf7 35.
Qxf7 Rxf7 36.Rxe6 Rf4 37.Nf3 h3 38.Rd6 hxg2 39.Kxg2 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.25"]
[Round "6"]
[White "Hoelzl, Franz"]
[Black "Farron, Malcolm"]
[Result "1-0"]
[WhiteElo "2415"]
[ECO "D35"]
[EventDate "1980.07.19"]
[PlyCount "63"]

1.c4 e6 2.Nc3 d5 3.d4 Be7 4.Nf3 Nf6 5.cxd5 exd5 6.Bf4 c6 7.Qc2 O-O 8.e3 
Nbd7 9.Bd3 Re8 10.O-O-O b5 11.Nxb5 Bb7 12.Nc7 c5 13.Nxe8 Qxe8 14.Kb1 c4 
15.Bf5 Nb6 16.Ne5 g6 17.Bh3 Ne4 18.f3 Nd6 19.e4 dxe4 20.Ng4 Nb5 21.fxe4 c3
22.Ka1 cxb2+ 23.Qxb2 Na4 24.Qb3 Nac3 25.Nh6+ Kg7 26.Bd7 Bd5 27.Qxd5 Nxd5 
28.Bxe8 Nxf4 29.Bxb5 Kxh6 30.Rhf1 Nxg2 31.Rxf7 Bb4 32.Rd3 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.25"]
[Round "6"]
[White "Shamkovich, Leonid"]
[Black "Liberzon, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2515"]
[BlackElo "2545"]
[ECO "B85"]
[EventDate "1980.07.19"]
[PlyCount "48"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 a6 7.O-O Be7 8.f4 O-O
9.Kh1 Nc6 10.Be3 Bd7 11.a4 Rc8 12.Qe1 Nb4 13.Rd1 Qe8 14.Rc1 d5 15.exd5 
Nbxd5 16.Nxd5 Nxd5 17.Bf3 Bxa4 18.f5 Bd7 19.fxe6 fxe6 20.Bf2 Bg5 21.Rd1 b5
22.c3 Bf4 23.Qe4 Rf6 24.Rfe1 Qf7 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.25"]
[Round "6"]
[White "Toth, Bela"]
[Black "Hebert, Jean"]
[Result "1-0"]
[WhiteElo "2390"]
[BlackElo "2360"]
[ECO "A77"]
[EventDate "1980.07.19"]
[PlyCount "65"]

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.e4 Bg7 8.Be2 O-O 
9.O-O Re8 10.Nd2 Nbd7 11.h3 a6 12.a4 Rb8 13.Qc2 Qc7 14.Kh1 b6 15.f4 Bb7 
16.Nc4 Rbd8 17.Bd2 Qb8 18.Bf3 Ba8 19.Be1 Nh5 20.Bxh5 gxh5 21.Bh4 f6 22.Qd1
Nf8 23.Qxh5 Ng6 24.Bg3 b5 25.axb5 axb5 26.f5 Ne5 27.Nxe5 dxe5 28.Bf2 b4 
29.Na4 c4 30.Nb6 Qc7 31.Rfc1 c3 32.bxc3 bxc3 33.Ra3 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.25"]
[Round "6"]
[White "Wirthensohn, Heinz"]
[Black "Franzoni, Giancarlo"]
[Result "1-0"]
[WhiteElo "2425"]
[ECO "D34"]
[EventDate "1980.07.19"]
[PlyCount "53"]

1.c4 e6 2.d4 d5 3.Nf3 c5 4.cxd5 exd5 5.g3 Nc6 6.Bg2 Nf6 7.O-O Be7 8.Nc3 
O-O 9.b3 Ne4 10.Bb2 Bf6 11.Na4 b6 12.Rc1 Ba6 13.dxc5 Bxb2 14.Nxb2 bxc5 15.
Nd3 Re8 16.Re1 Rc8 17.Bh3 Rc7 18.Nxc5 Nxc5 19.Rxc5 Nb4 20.Rxc7 Qxc7 21.Qd4
Qe7 22.Qd2 Bb7 23.Nd4 g6 24.Rc1 Qd6 25.Nb5 Qb6 26.Qxb4 Rxe2 27.Qc5 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.26"]
[Round "7"]
[White "Farron, Malcolm"]
[Black "Gruenfeld, Yehuda"]
[Result "0-1"]
[BlackElo "2455"]
[ECO "B51"]
[EventDate "1980.07.19"]
[PlyCount "53"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Nd7 4.O-O Nf6 5.Re1 a6 6.Bf1 Ne5 7.h3 g6 8.d3 Bg7 
9.Nbd2 b5 10.a4 Rb8 11.d4 Nxf3+ 12.Nxf3 cxd4 13.Nxd4 Bd7 14.axb5 axb5 15.
Bd2 b4 16.c3 bxc3 17.Bxc3 O-O 18.Nf3 Bc6 19.Qc2 Ba8 20.Ra7 Nh5 21.Ba5 Qe8 
22.b4 Bc6 23.e5 Bxf3 24.exd6 Qc6 25.Qd3 Bxg2 26.dxe7 Nf4 27.exf8=Q+ {...} 
0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.26"]
[Round "7"]
[White "Franzoni, Giancarlo"]
[Black "Hoelzl, Franz"]
[Result "1/2-1/2"]
[BlackElo "2415"]
[ECO "B20"]
[EventDate "1980.07.19"]
[PlyCount "93"]

1.e4 c5 2.g3 d5 3.exd5 Nf6 4.Bg2 Bg4 5.Ne2 Nxd5 6.O-O Nc6 7.h3 Bf5 8.Nbc3 
Nc7 9.d3 Qd7 10.Kh2 e6 11.Be3 Be7 12.Ne4 b6 13.d4 Nd5 14.Bc1 Rd8 15.dxc5 
bxc5 16.c4 Ndb4 17.Be3 Nd3 18.Nf4 Nxf4 19.Bxf4 Nd4 20.a3 O-O 21.Rb1 a5 22.
b3 Qa7 23.Rb2 Rd7 24.Qc1 Rfd8 25.Re1 a4 26.bxa4 Qxa4 27.Rb8 Rxb8 28.Bxb8 
h6 29.Qc3 Qc2 30.Rc1 Qa2 31.Ra1 Qb3 32.Qxb3 Nxb3 33.Rb1 Nd2 34.Rd1 Bxe4 
35.Bxe4 Rd4 36.Bc2 Nxc4 37.a4 Rxd1 38.Bxd1 Bd8 39.Ba7 Bb6 40.Be2 Bxa7 41.
Bxc4 Bb6 42.Kg2 Kf8 43.Kf3 Ke7 44.Ke3 Ba5 45.Bb5 g5 46.g4 f5 47.Kd3 
1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.26"]
[Round "7"]
[White "Hebert, Jean"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "0-1"]
[WhiteElo "2360"]
[BlackElo "2420"]
[ECO "C02"]
[EventDate "1980.07.19"]
[PlyCount "114"]

1.e4 e6 2.d4 d5 3.e5 c5 4.c3 Nc6 5.Nf3 Qb6 6.a3 c4 7.Nbd2 Na5 8.h4 Bd7 9.
h5 O-O-O 10.g3 Kb8 11.Bh3 f5 12.Rb1 Rc8 13.O-O Be7 14.Re1 g5 15.Bg2 Nh6 
16.Nf1 Rhg8 17.N3h2 Nb3 18.g4 Ba4 19.Qe2 Rcf8 20.gxf5 Nxf5 21.Be3 Be8 22.
Qg4 Rg7 23.Ng3 Qd8 24.Nhf1 Bd7 25.Qe2 Nh4 26.Nh2 Qe8 27.Rbd1 Nf5 28.Nxf5 
Rxf5 29.Qg4 Qf7 30.Nf1 Be8 31.Ng3 Rf4 32.Qe2 Rh4 33.Rf1 Qg8 34.Rde1 h6 35.
Bf3 g4 36.Bg2 Bxh5 37.Bxh6 Rh7 38.Bf4 Bg6 39.Rd1 Rh8 40.f3 Bd3 41.Rxd3 
cxd3 42.Qxd3 gxf3 43.Rxf3 Na5 44.Nf1 Rg4 45.Bg3 Rh7 46.a4 a6 47.Rf4 Rxf4 
48.Bxf4 Rg7 49.Qh3 Bg5 50.Bxg5 Rxg5 51.Kf2 Qf7+ 52.Bf3 Qg6 53.Ne3 Ka7 54.
Qh8 Rg1 55.Ng2 Rb1 56.b4 Rb2+ 57.Kg1 Qg3 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.26"]
[Round "7"]
[White "Liberzon, Vladimir"]
[Black "Toth, Bela"]
[Result "0-1"]
[WhiteElo "2545"]
[BlackElo "2390"]
[ECO "C42"]
[EventDate "1980.07.19"]
[PlyCount "140"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Bf5 8.Re1 
Nc6 9.a3 O-O 10.c4 Re8 11.Bf4 Bf6 12.Nc3 Nxc3 13.Rxe8+ Qxe8 14.bxc3 Bxd3 
15.Qxd3 dxc4 16.Qxc4 Qd7 17.Re1 h6 18.Qb5 b6 19.d5 Ne5 20.Qxd7 Nxd7 21.c4 
Rc8 22.Kf1 Kf8 23.Bd2 a5 24.Rb1 Be7 25.Rb3 c6 26.Be3 cxd5 27.cxd5 Rc2 28.
Nd4 Ra2 29.Nb5 Nc5 30.Rb1 Ne4 31.Rc1 Bc5 32.Bxc5+ Nxc5 33.d6 Rb2 34.a4 Ke8
35.Re1+ Ne6 36.f4 g6 37.g4 Rb4 38.Nc7+ Kd7 39.Nd5 Rd4 40.Nxb6+ Kxd6 41.f5 
gxf5 42.gxf5 Nc5 43.Rc1 Nb3 44.Nc8+ Ke5 45.Rc7 Rxa4 46.Rxf7 Rf4+ 47.Kg2 
Rxf5 48.Ra7 Kf4 49.Nb6 Rb5 50.Nc4 Rc5 51.Rf7+ Kg5 52.Nb6 Rb5 53.Na4 Nc5 
54.Nxc5 Rxc5 55.Rd7 Kf4 56.Rd6 h5 57.Kh3 Ke5 58.Rb6 Kd4 59.Kh4 Kc3 60.Ra6 
Kb4 61.Rb6+ Rb5 62.Rf6 a4 63.Rf4+ Kb3 64.Rf3+ Ka2 65.Rf2+ Rb2 66.Rf4 a3 
67.h3 Rb5 68.Rf2+ Kb3 69.Rf3+ Ka4 70.Rf2 Rc5 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.26"]
[Round "7"]
[White "Pachman, Ludek"]
[Black "Shamkovich, Leonid"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2515"]
[ECO "D78"]
[EventDate "1980.07.19"]
[PlyCount "131"]

1.Nf3 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O c6 6.b3 Ne4 7.d4 d5 8.Bb2 Be6 
9.Nc3 Nxc3 10.Bxc3 dxc4 11.Ng5 Bg4 12.h3 e5 13.Ne4 exd4 14.Bb4 Be6 15.Bxf8
Qxf8 16.Ng5 c3 17.e3 dxe3 18.Nxe6 fxe6 19.Qg4 Qe7 20.Rae1 exf2+ 21.Rxf2 
Nd7 22.Rfe2 Nf8 23.h4 Rd8 24.Kh2 Rd4 25.Be4 Nd7 26.Rc2 Nf6 27.Qf3 Qb4 28.
Rce2 Nxe4 29.Rxe4 Rxe4 30.Rxe4 Qd6 31.Re2 h5 32.Qe3 b6 33.Qxe6+ Qxe6 34.
Rxe6 c5 35.Re2 Bh6 36.Rc2 Bd2 37.Kg2 Kf7 38.Kf3 Ke6 39.Ke4 b5 40.a3 a5 41.
Ra2 Be1 42.Rg2 c4 43.bxc4 bxc4 44.Rc2 Kf6 45.Rc1 Bd2 46.Rc2 g5 47.hxg5+ 
Kxg5 48.Kf3 Kf5 49.a4 Ke5 50.Ke2 Kd4 51.Ra2 Be3 52.Kd1 Kd3 53.Rc2 Bg5 54.
Ra2 Bd2 55.Rc2 Be1 56.g4 h4 57.Rh2 Bg3 58.Rh3 Ke4 59.Kc2 Kf4 60.Kxc3 Kxg4 
61.Rh1 h3 62.Kxc4 Bf4 63.Kb5 Bd2 64.Rh2 Bb4 65.Rb2 Kh4 66.Ka6 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.26"]
[Round "7"]
[White "Sahovic, Dragutin"]
[Black "Wirthensohn, Heinz"]
[Result "1-0"]
[WhiteElo "2485"]
[BlackElo "2425"]
[ECO "D01"]
[EventDate "1980.07.19"]
[PlyCount "91"]

1.d4 Nf6 2.Nc3 d5 3.Bg5 Nbd7 4.f3 h6 5.Bh4 c5 6.e4 cxd4 7.Qxd4 e5 8.Qa4 d4
9.Bxf6 gxf6 10.Nd5 Bc5 11.f4 O-O 12.O-O-O Nb6 13.Nxb6 Qxb6 14.fxe5 fxe5 
15.Nf3 Bg4 16.Bc4 Bxf3 17.gxf3 Qf6 18.Qd7 Rab8 19.Rhg1+ Kh8 20.Rg3 a6 21.
Qh3 b5 22.Bd3 Qf4+ 23.Kb1 Rg8 24.Rg4 Rxg4 25.fxg4 Qg5 26.Rf1 f6 27.Rf5 Qg7
28.Qf3 Rf8 29.Be2 Qe7 30.h4 Bb4 31.Qg2 Qg7 32.a3 Be7 33.Qf3 Rc8 34.g5 Rf8 
35.gxh6 Qg1+ 36.Bf1 Qe3 37.Qh5 Qg1 38.Rf3 a5 39.Qf5 Rg8 40.Qd7 Qg4 41.Rf5 
Bd8 42.h7 Rf8 43.Bxb5 Qxh4 44.Qd6 Qh6 45.Rh5 Qg7 46.Bc4 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.27"]
[Round "8"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Liberzon, Vladimir"]
[Result "0-1"]
[WhiteElo "2420"]
[BlackElo "2545"]
[ECO "B89"]
[EventDate "1980.07.19"]
[PlyCount "66"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d6 6.Be3 Nf6 7.Bc4 a6 8.Qe2 
Be7 9.O-O-O Qc7 10.Bb3 O-O 11.g4 Nd7 12.g5 Nc5 13.Rhg1 Bd7 14.Rg3 Rfc8 15.
Kb1 Nxb3 16.axb3 b5 17.Nxc6 Bxc6 18.Rh3 g6 19.Qf3 Be8 20.Rd2 b4 21.Ne2 a5 
22.Nc1 a4 23.bxa4 Bxa4 24.b3 Be8 25.Bd4 e5 26.Bb2 Bxg5 27.Re2 Bb5 28.Nd3 
Qa5 29.Nc1 Bxe2 30.Qxe2 Rc6 31.Qg4 Bxc1 32.Kxc1 Rac8 33.Qe2 Qc7 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.27"]
[Round "8"]
[White "Gruenfeld, Yehuda"]
[Black "Franzoni, Giancarlo"]
[Result "1-0"]
[WhiteElo "2455"]
[ECO "B47"]
[EventDate "1980.07.19"]
[PlyCount "89"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.g3 a6 7.Bg2 Nf6 8.O-O 
Be7 9.Re1 Nxd4 10.Qxd4 Bc5 11.Qd1 d6 12.Be3 O-O 13.Qd2 Bxe3 14.Qxe3 Bd7 
15.Rad1 Bc6 16.h3 Rfd8 17.g4 b5 18.g5 Ne8 19.f4 Bb7 20.a3 Qc5 21.Qxc5 dxc5
22.e5 Bxg2 23.Kxg2 Kf8 24.Ne4 c4 25.h4 Rd5 26.Nc3 Rxd1 27.Rxd1 Ke7 28.Ne4 
Rc8 29.h5 h6 30.Kf3 Rc7 31.Rd6 Rd7 32.Rxd7+ Kxd7 33.Nc5+ Kc6 34.Nxa6 Kd5 
35.Nb4+ Kc5 36.Na2 Kd4 37.Nc3 Nc7 38.Ne4 c3 39.b3 Na6 40.Ng3 b4 41.Ne2+ 
Kc5 42.a4 Kd5 43.gxh6 gxh6 44.Ke3 Nb8 45.Nc1 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.27"]
[Round "8"]
[White "Sahovic, Dragutin"]
[Black "Hebert, Jean"]
[Result "1-0"]
[WhiteElo "2485"]
[BlackElo "2360"]
[ECO "A00"]
[EventDate "1980.07.19"]
[PlyCount "125"]

1.d4 c5 2.Nc3 cxd4 3.Qxd4 Nc6 4.Qh4 g6 5.e4 Bg7 6.Bc4 d6 7.Nf3 Be6 8.Nd5 
h6 9.c3 Qd7 10.O-O Nf6 11.Qf4 Bxd5 12.Bxd5 Nxd5 13.exd5 Ne5 14.Nd4 O-O 15.
Qe4 Rac8 16.h3 Qd8 17.Qh4 g5 18.Qe4 Qd7 19.f4 gxf4 20.Bxf4 e6 21.Rad1 exd5
22.Qxd5 Rfe8 23.Bxe5 Rxe5 24.Qf3 Rcc5 25.Nb3 Rc7 26.Rd3 Rg5 27.Nd2 Rg6 28.
Qd5 Qe7 29.Ne4 Be5 30.Rdf3 Qe6 31.Rd1 Rc6 32.Rd2 Kg7 33.b3 f5 34.Qxe6 Rxe6
35.Rxf5 Bxc3 36.Nxc3 Rxc3 37.Rfd5 Rc6 38.Kf2 Kf7 39.Kf3 Ke7 40.Kg4 Rc3 41.
Kh4 a6 42.R5d3 Rc5 43.g4 Rf6 44.Re3+ Kf7 45.Rde2 Rc7 46.Re8 Rd7 47.Rh8 Kg7
48.Ree8 d5 49.Reg8+ Kf7 50.Rf8+ Ke6 51.Rxf6+ Kxf6 52.Rxh6+ Ke5 53.Kg3 Rc7 
54.Rh8 Rc3+ 55.Kh4 Rc2 56.Re8+ Kf6 57.g5+ Kf7 58.Rd8 Rxa2 59.Rxd5 b5 60.
Kh5 Rb2 61.g6+ Kf8 62.Kh6 Rxb3 63.g7+ 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.27"]
[Round "8"]
[White "Shamkovich, Leonid"]
[Black "Farron, Malcolm"]
[Result "1-0"]
[WhiteElo "2515"]
[ECO "A30"]
[EventDate "1980.07.19"]
[PlyCount "97"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 d6
9.b3 O-O 10.Bb2 a6 11.Ne1 Bxg2 12.Nxg2 Nbd7 13.e4 Qb8 14.Ne3 Rd8 15.Kg2 
Bf8 16.f3 Qb7 17.Ne2 Rac8 18.Rac1 Nc5 19.g4 b5 20.g5 Nh5 21.h4 bxc4 22.
Rxc4 d5 23.exd5 exd5 24.Rc2 Ne6 25.Qg4 Qb5 26.Rfc1 Rxc2 27.Rxc2 Qd3 28.Bd4
Re8 29.Qf5 Nef4+ 30.Nxf4 Qxf5 31.Nxf5 Nxf4+ 32.Kg3 Ne2+ 33.Kf2 Nxd4 34.
Nxd4 Rd8 35.Rc6 Ra8 36.Ke3 a5 37.Rc7 a4 38.Rd7 axb3 39.axb3 Ra5 40.h5 h6 
41.f4 hxg5 42.fxg5 Ra1 43.Rd8 Rb1 44.g6 Re1+ 45.Kd2 Re5 46.Nc6 Re6 47.Rc8 
f5 48.Nd4 Re5 49.b4 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.27"]
[Round "8"]
[White "Toth, Bela"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[WhiteElo "2390"]
[BlackElo "2510"]
[ECO "E11"]
[EventDate "1980.07.19"]
[PlyCount "140"]

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 Nc6 6.Bg2 Bxd2+ 7.Nbxd2 O-O 8.
O-O d6 9.e4 a5 10.d5 Ne5 11.Nxe5 dxe5 12.Qc2 Rd8 13.Rac1 Bd7 14.Rfe1 c6 
15.Nf3 exd5 16.exd5 e4 17.dxc6 Bxc6 18.Nd2 Rd4 19.Nb3 Rd7 20.Qc3 Qd8 21.
Nc5 Rd4 22.Qc2 Rd2 23.Qc3 Rd4 24.Re2 b6 25.Nb3 Rd1+ 26.Rxd1 Qxd1+ 27.Re1 
Qd7 28.c5 a4 29.Nd4 bxc5 30.Qxc5 Bd5 31.a3 h6 32.Ne2 Rc8 33.Qa5 Bc6 34.Qb4
e3 35.fxe3 Bxg2 36.Kxg2 Nd5 37.Qd4 Rc4 38.Qd3 Qb7 39.Kg1 Rc8 40.Qe4 Qb5 
41.Nd4 Qd7 42.Rd1 Re8 43.Qf5 Qb7 44.Nc2 Nf6 45.Nb4 Qb6 46.Qd3 Rxe3 47.Qd8+
Qxd8 48.Rxd8+ Kh7 49.Rd2 Ne4 50.Rc2 f5 51.Kg2 g5 52.Nd5 Rb3 53.Re2 Rb5 54.
Ne7 Nd6 55.Rc2 Kg7 56.Nc6 Rb3 57.Nd4 Rd3 58.Ne6+ Kf6 59.Nc5 Rd4 60.Kf3 Nc4
61.Ke2 Ne5 62.Rc3 f4 63.gxf4 gxf4 64.b3 axb3 65.Nxb3 Re4+ 66.Kf2 f3 67.Kf1
Rh4 68.Nd2 Rxh2 69.Nxf3 Nxf3 70.Rxf3+ Ke5 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.27"]
[Round "8"]
[White "Wirthensohn, Heinz"]
[Black "Hoelzl, Franz"]
[Result "1/2-1/2"]
[WhiteElo "2425"]
[BlackElo "2415"]
[ECO "A81"]
[EventDate "1980.07.19"]
[PlyCount "87"]

1.Nf3 f5 2.d4 g6 3.g3 Bg7 4.Bg2 Nf6 5.O-O O-O 6.b3 c6 7.Bb2 Ne4 8.c4 d5 9.
Nbd2 Be6 10.e3 Kh8 11.Nxe4 fxe4 12.Ng5 Bg8 13.h4 Na6 14.cxd5 cxd5 15.Qd2 
Nc7 16.Rac1 h6 17.Nh3 Ne6 18.Nf4 Nxf4 19.exf4 Be6 20.f3 exf3 21.Bxf3 Qd6 
22.Bg2 Rf7 23.Qd3 Rg8 24.Qb5 g5 25.hxg5 hxg5 26.f5 Bxf5 27.Qxd5 Qg6 28.g4 
Be6 29.Qe4 Qxe4 30.Bxe4 Rxf1+ 31.Rxf1 Rd8 32.Kh2 Kg8 33.Bf5 Bxf5 34.Rxf5 
e6 35.Rxg5 Rc8 36.Ba3 Rc2+ 37.Kg3 Rxa2 38.Bd6 Kh7 39.Rb5 b6 40.Be5 Bf8 41.
Bb8 Kg6 42.Kf3 Be7 43.Ke4 Bg5 44.d5 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.29"]
[Round "9"]
[White "Farron, Malcolm"]
[Black "Toth, Bela"]
[Result "1-0"]
[BlackElo "2390"]
[ECO "C44"]
[EventDate "1980.07.19"]
[PlyCount "109"]

1.e4 e5 2.d3 Nc6 3.Nf3 Nf6 4.Be2 g6 5.c3 Bg7 6.O-O O-O 7.Nbd2 d6 8.Re1 Kh8
9.d4 Nh5 10.dxe5 dxe5 11.Nc4 Qe7 12.b3 Rd8 13.Qc2 Nf4 14.Ne3 Nxe2+ 15.Qxe2
f6 16.Bb2 Be6 17.Rad1 a6 18.Nd5 Qf7 19.c4 Rd7 20.Bc3 Rad8 21.Rb1 Ne7 22.
Ba5 Nc8 23.Rbd1 b6 24.Bc3 c6 25.Nb4 c5 26.Nd5 Kg8 27.h3 Re8 28.Qb2 Rb7 29.
Nh2 b5 30.Qe2 Na7 31.Ng4 Bxg4 32.Qxg4 Nc6 33.f4 bxc4 34.bxc4 Nd4 35.Bxd4 
exd4 36.Qf3 Qe6 37.Qa3 Qc6 38.Rd3 Kf7 39.Rf3 Bf8 40.e5 Bg7 41.Rff1 fxe5 
42.fxe5+ Kg8 43.Qf3 Kh8 44.Re4 Qe6 45.Rfe1 Rf7 46.Qa3 Rc8 47.Qg3 Rf5 48.
Nf4 Qxc4 49.e6 Kg8 50.Nxg6 hxg6 51.Qxg6 Rf6 52.Qg5 Qc3 53.e7 Re8 54.Qd5+ 
Rf7 55.Rf1 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.29"]
[Round "9"]
[White "Franzoni, Giancarlo"]
[Black "Shamkovich, Leonid"]
[Result "0-1"]
[BlackElo "2515"]
[ECO "B25"]
[EventDate "1980.07.19"]
[PlyCount "74"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e6 7.Nf3 Nge7 8.O-O O-O 
9.Be3 Nd4 10.Bf2 Nxf3+ 11.Bxf3 Nc6 12.Rb1 Nd4 13.Bg2 Qa5 14.a3 Bd7 15.g4 
f5 16.gxf5 gxf5 17.Ne2 Qa4 18.Nxd4 cxd4 19.exf5 Rxf5 20.Be4 Rxf4 21.Qh5 
Rxe4 22.dxe4 Qxc2 23.Qg4 Kh8 24.Rbc1 Qb3 25.Kh1 Rg8 26.Rg1 Bc6 27.Bh4 e5 
28.Rg3 Qf7 29.Qe2 Qf4 30.Bg5 Qxe4+ 31.Qxe4 Bxe4+ 32.Kg1 Bc6 33.Kf2 Rf8+ 
34.Ke1 Rf7 35.Rc2 h6 36.Bc1 e4 37.Rf2 Re7 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.29"]
[Round "9"]
[White "Hebert, Jean"]
[Black "Wirthensohn, Heinz"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2425"]
[ECO "B22"]
[EventDate "1980.07.19"]
[PlyCount "39"]

1.e4 c5 2.c3 d5 3.exd5 Qxd5 4.d4 e6 5.Nf3 Nc6 6.Na3 Nf6 7.Nb5 Qd8 8.dxc5 
Bxc5 9.Qxd8+ Kxd8 10.Bg5 Ke7 11.Rd1 a6 12.Nbd4 Nxd4 13.Nxd4 h6 14.Be3 Ba7 
15.f3 e5 16.Nc2 Be6 17.Bxa7 Rxa7 18.c4 Rc8 19.Ne3 b6 20.Bd3 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.29"]
[Round "9"]
[White "Hoelzl, Franz"]
[Black "Gruenfeld, Yehuda"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2455"]
[ECO "A19"]
[EventDate "1980.07.19"]
[PlyCount "110"]

1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3 Nc6 6.d4 cxd4 7.Nxd4 Nxe5 8.Ndb5 
a6 9.Nd6+ Bxd6 10.Qxd6 f6 11.Be3 Ne7 12.Bb6 Nf5 13.Bxd8 Nxd6 14.Bc7 Ke7 
15.c5 Ne8 16.Bb6 d5 17.cxd6+ Nxd6 18.Bc5 Nf7 19.Rd1 Rd8 20.Bd3 f5 21.O-O 
Kf6 22.f4 b5 23.Bd4+ Ke7 24.Bxg7 Ne8 25.Be5 Nxe5 26.fxe5 Bb7 27.Rf4 Ng7 
28.a4 bxa4 29.Rxa4 a5 30.Kf2 Bc6 31.Rc4 Be8 32.Be2 Rdb8 33.Rc7+ Kf8 34.Rd2
a4 35.Bc4 Ra5 36.Kf3 Rxe5 37.Kf4 Ra5 38.Kg5 h6+ 39.Kxh6 f4 40.Be2 Nf5+ 41.
Kg5 Rb4 42.Bb5 Nd4 43.Kf6 Nxb5 44.Rh7 Kg8 45.Rg7+ Kf8 46.Rh7 Kg8 47.Rg7+ 
Kh8 48.Rd8 Nd6 49.Rgd7 f3 50.gxf3 Rf4+ 51.Kxe6 Nf7 52.Rxe8+ Kg7 53.Rd3 
Rf6+ 54.Ke7 Ne5 55.Rd2 Ra7+ 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.29"]
[Round "9"]
[White "Liberzon, Vladimir"]
[Black "Sahovic, Dragutin"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2485"]
[ECO "C16"]
[EventDate "1980.07.19"]
[PlyCount "66"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 b6 5.Bd2 Qd7 6.Nf3 Ne7 7.Nb5 Bxd2+ 8.Qxd2 
a6 9.Na3 c5 10.c3 Nbc6 11.Nc2 f6 12.exf6 gxf6 13.Qh6 Ng6 14.Bd3 Qf7 15.
O-O-O c4 16.Bxg6 Qxg6 17.Qf4 Bd7 18.Rhe1 O-O-O 19.g3 h5 20.Nh4 Qg7 21.Qe3 
b5 22.f4 Rde8 23.Qf3 f5 24.Nb4 Nb8 25.Qe3 a5 26.Nc2 Nc6 27.a3 Kc7 28.Kd2 
Nd8 29.Qe5+ Qxe5 30.dxe5 Nb7 31.Ke3 Nc5 32.Nd4 Rb8 33.Ra1 Ra8 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.29"]
[Round "9"]
[White "Pachman, Ludek"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2420"]
[ECO "A09"]
[EventDate "1980.07.19"]
[PlyCount "88"]

1.Nf3 d5 2.c4 d4 3.d3 c5 4.g3 Nc6 5.Bg2 e5 6.O-O Be7 7.e3 Nf6 8.exd4 exd4 
9.Re1 O-O 10.a3 Bf5 11.Bg5 h6 12.Bxf6 Bxf6 13.Qc2 Qc7 14.Nbd2 Rfe8 15.Rab1
a5 16.h4 Qd7 17.Rxe8+ Rxe8 18.Re1 Bd8 19.Rxe8+ Qxe8 20.Ne4 Qe7 21.Kf1 Bc7 
22.Qe2 Kf8 23.Ned2 a4 24.Qxe7+ Kxe7 25.Ke2 Na5 26.Ne1 Bd7 27.Bd5 f5 28.f4 
g5 29.hxg5 hxg5 30.Ng2 Kf6 31.Nf3 gxf4 32.Nxf4 Bd6 33.Nh5+ Ke7 34.Nf4 Nc6 
35.Kd2 b6 36.Ke2 Ne5 37.Nxe5 Bxe5 38.Ng6+ Kd6 39.Nxe5 Kxe5 40.Bf3 Kf6 41.
Kd2 Kg5 42.Bd1 Be8 43.Ke1 Bc6 44.Be2 b5 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.30"]
[Round "10"]
[White "Cuartas Bedoya, Carlos Enrique"]
[Black "Farron, Malcolm"]
[Result "1-0"]
[WhiteElo "2420"]
[ECO "B47"]
[EventDate "1980.07.19"]
[PlyCount "127"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Qc7 5.Nc3 e6 6.g3 a6 7.Bg2 d6 8.O-O Nf6
9.b3 Be7 10.Bb2 Bd7 11.Nce2 O-O 12.c4 Rfd8 13.Nc3 Nxd4 14.Qxd4 Bc6 15.Rac1
Rac8 16.Nd5 exd5 17.cxd5 Qa5 18.dxc6 bxc6 19.a3 Qb5 20.Qc4 c5 21.Rfd1 Rb8 
22.e5 Qxc4 23.Rxc4 dxe5 24.Rxd8+ Rxd8 25.Bxe5 Rd1+ 26.Bf1 Nd7 27.Bf4 Nb6 
28.Rc1 Rxc1 29.Bxc1 a5 30.Bd2 a4 31.Ba5 Bd8 32.bxa4 Kf8 33.Bb5 Ke7 34.Bc3 
f6 35.a5 Nd5 36.Bd2 Kd6 37.f4 Ne7 38.Bc4 Kc6 39.Kf2 Nc8 40.Ke3 Nd6 41.Kd3 
h5 42.a4 Bc7 43.a6 Bb6 44.Be6 Kc7 45.f5 Kc6 46.Bf4 Ba7 47.h3 Bb6 48.g4 
hxg4 49.hxg4 Ba7 50.Bd2 Kb6 51.Bc4 Kc6 52.Bc3 Kb6 53.Be6 Bb8 54.g5 fxg5 
55.Bxg7 g4 56.Be5 Kxa6 57.f6 Ka5 58.f7 Nxf7 59.Bxb8 Ng5 60.Bd7 Kb4 61.Bf4 
c4+ 62.Ke3 Nf7 63.Be8 Nd8 64.Bd6+ 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.30"]
[Round "10"]
[White "Hebert, Jean"]
[Black "Liberzon, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2360"]
[BlackElo "2545"]
[ECO "B80"]
[EventDate "1980.07.19"]
[PlyCount "127"]

1.e4 c5 2.Nf3 Nc6 3.Nc3 e6 4.d4 cxd4 5.Nxd4 d6 6.Be3 Nf6 7.g4 e5 8.Nf5 g6 
9.Ng3 Nxg4 10.Qf3 Nxe3 11.fxe3 Be6 12.Nd5 Qa5+ 13.c3 O-O-O 14.a4 f5 15.Bc4
fxe4 16.Qxe4 Bxd5 17.Bxd5 Qb6 18.b4 Bh6 19.Ke2 Ne7 20.Rhd1 Nxd5 21.Rxd5 
Kb8 22.a5 Qc6 23.c4 Rc8 24.Rc1 Rhd8 25.Qh4 Bf8 26.Qxh7 Qa4 27.Qxg6 Qxb4 
28.Qe4 a6 29.Nf5 Rd7 30.Kf3 Rf7 31.Qd3 Qb2 32.Rc2 Qa1 33.Kg2 Be7 34.Ng3 
Bh4 35.Rxd6 Bxg3 36.hxg3 e4 37.Qd1 Qxa5 38.Qd5 Qxd5 39.Rxd5 Rf3 40.Rg5 
Rxe3 41.c5 Rb3 42.g4 Re8 43.Rf5 a5 44.c6 bxc6 45.Rxa5 Kb7 46.Rf5 Rb5 47.
Rf6 e3 48.Kf3 Rbe5 49.Rb2+ Kc7 50.Re2 Kb6 51.Rf5 R5e6 52.Rb2+ Kc7 53.Re2 
Kd6 54.g5 c5 55.Rf6 Rxf6+ 56.gxf6 Rf8 57.Kxe3 Rxf6 58.Kd3 Kd5 59.Rh2 Rf3+ 
60.Kc2 Kc4 61.Rh4+ Kb5 62.Rg4 Rh3 63.Kb2 c4 64.Rg8 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.30"]
[Round "10"]
[White "Sahovic, Dragutin"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2510"]
[ECO "D00"]
[EventDate "1980.07.19"]
[PlyCount "27"]

1.d4 Nf6 2.Bg5 d5 3.Bxf6 exf6 4.e3 Be7 5.c4 dxc4 6.Bxc4 O-O 7.Nc3 f5 8.Nf3
Nd7 9.O-O g6 10.Rc1 a6 11.a3 Bd6 12.Re1 Nf6 13.b4 Be7 14.Qb3 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.30"]
[Round "10"]
[White "Shamkovich, Leonid"]
[Black "Hoelzl, Franz"]
[Result "1-0"]
[WhiteElo "2515"]
[BlackElo "2415"]
[ECO "A38"]
[EventDate "1980.07.19"]
[PlyCount "41"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O c5 7.Nc3 Nc6 8.e3 Bd7 
9.b3 a6 10.Bb2 Rb8 11.dxc5 dxc5 12.Rc1 Bf5 13.Nh4 Bd3 14.Re1 g5 15.Nd5 Nb4
16.Nxb4 cxb4 17.Nf3 g4 18.Nh4 Qd7 19.e4 Bh6 20.Nf5 Bxc1 21.Qxc1 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.30"]
[Round "10"]
[White "Toth, Bela"]
[Black "Franzoni, Giancarlo"]
[Result "1-0"]
[WhiteElo "2390"]
[ECO "D32"]
[EventDate "1980.07.19"]
[PlyCount "105"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.Bf4 Nf6 7.e3 Bg4 8.Be2 
Bxf3 9.Bxf3 cxd4 10.exd4 Be7 11.O-O O-O 12.Re1 Re8 13.Rc1 Qa5 14.Be3 Rad8 
15.a3 Qc7 16.b4 Qd7 17.h3 h6 18.Qb3 Bf8 19.Red1 Qf5 20.Na4 Rc8 21.Nc5 b6 
22.Nd3 Bd6 23.Qa4 Qd7 24.Kf1 Ne7 25.Qxd7 Nxd7 26.h4 Nf6 27.Bf4 Nf5 28.Be5 
Bxe5 29.Rxc8 Rxc8 30.dxe5 Ne4 31.Bg4 g6 32.Bxf5 gxf5 33.Nf4 Nc3 34.Nxd5 
Nxd5 35.Rxd5 Rc3 36.Rd8+ Kg7 37.Rd7 Rxa3 38.e6 Kf8 39.Rxf7+ Ke8 40.Rxf5 
Ra4 41.Rf7 Rxb4 42.Rxa7 Re4 43.Rb7 Rxe6 44.h5 Kd8 45.g4 Kc8 46.Rg7 b5 47.
Rg6 Re4 48.f3 Rf4 49.Kf2 Kc7 50.Rxh6 b4 51.Re6 b3 52.Re1 b2 53.h6 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.30"]
[Round "10"]
[White "Wirthensohn, Heinz"]
[Black "Gruenfeld, Yehuda"]
[Result "1-0"]
[WhiteElo "2425"]
[BlackElo "2455"]
[ECO "A34"]
[EventDate "1980.07.19"]
[PlyCount "83"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 c5 4.e3 Be7 5.d4 O-O 6.d5 exd5 7.cxd5 d6 8.Be2 Re8
9.Nd2 Bf8 10.e4 b6 11.O-O Ba6 12.a4 Bxe2 13.Qxe2 a6 14.b3 Nbd7 15.Bb2 Qb8 
16.f4 Qb7 17.Qf3 b5 18.a5 Re7 19.g4 b4 20.Nd1 Rae8 21.Nf2 c4 22.bxc4 Nc5 
23.Rfe1 Nfd7 24.g5 f5 25.gxf6 gxf6 26.Kh1 Bg7 27.Rg1 Kh8 28.Rg3 Qc7 29.
Rag1 Qxa5 30.Qg2 Rg8 31.Ng4 Qd8 32.Nxf6 Nxf6 33.Bxf6 Qf8 34.Bxe7 Qxe7 35.
e5 a5 36.Ne4 Nxe4 37.Qxe4 a4 38.c5 a3 39.cxd6 Qa7 40.Qxb4 a2 41.Qa3 Qf2 
42.Rxg7 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.31"]
[Round "11"]
[White "Farron, Malcolm"]
[Black "Sahovic, Dragutin"]
[Result "1-0"]
[BlackElo "2485"]
[ECO "B83"]
[EventDate "1980.07.19"]
[PlyCount "61"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 a6 7.O-O Be7 8.Be3 
O-O 9.a4 Nc6 10.Nb3 b6 11.f4 Bb7 12.Bf3 Nb4 13.Rf2 Qc7 14.a5 b5 15.Qe1 d5 
16.exd5 Nfxd5 17.Bd4 Nxc3 18.Bxc3 Bxf3 19.Rxf3 Nxc2 20.Qg3 g6 21.Qh3 f5 
22.Rc1 b4 23.Be5 Qd7 24.Rd3 Qa7+ 25.Kh1 Rac8 26.Rcd1 Rf7 27.R3d2 Bf8 28.
Qd3 Qe3 29.Qxa6 Re8 30.Qc4 Ne1 31.Re2 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.31"]
[Round "11"]
[White "Franzoni, Giancarlo"]
[Black "Cuartas Bedoya, Carlos Enrique"]
[Result "0-1"]
[BlackElo "2420"]
[ECO "C06"]
[EventDate "1980.07.19"]
[PlyCount "64"]

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.Nf3 Bd6 11.O-O O-O 12.Bg5 Qb6 13.Nc3 Kh8 14.Be3 Qd8 15.Bg5 
a6 16.Bh4 Qc7 17.Bg3 Bxg3 18.hxg3 e5 19.dxe5 Nxe5 20.Rc1 Nc6 21.Bb1 Be6 
22.Nd4 Qd6 23.Na4 Bg4 24.Qd3 Nxd4 25.Qxd4 Be2 26.Rfe1 Ng4 27.Qb6 Qe5 28.
Nc3 Qh5 29.Nxe2 Rae8 30.f3 Qh2+ 31.Kf1 Ne3+ 32.Qxe3 Rxe3 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.31"]
[Round "11"]
[White "Gruenfeld, Yehuda"]
[Black "Shamkovich, Leonid"]
[Result "1-0"]
[WhiteElo "2455"]
[BlackElo "2515"]
[ECO "B19"]
[EventDate "1980.07.19"]
[PlyCount "83"]

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 Ngf6 11.Bd2 e6 12.O-O-O Qc7 13.Qe2 O-O-O 14.Ne5 Nb6 15.
Ba5 Rd5 16.Bxb6 axb6 17.Kb1 b5 18.f4 Bd6 19.Nf1 b4 20.Ne3 Rb5 21.N3c4 Rd8 
22.Rhf1 Bf8 23.g4 Kb8 24.g5 Nd5 25.g6 f5 26.Nf7 Re8 27.Qf3 Nf6 28.Rfe1 Rd5
29.Re5 b5 30.Ne3 Rd7 31.Qe2 Qa5 32.d5 cxd5 33.Nxd5 Qa6 34.Nxf6 Rxd1+ 35.
Qxd1 gxf6 36.Qd7 fxe5 37.Qxe8+ Qc8 38.Qxb5+ Qb7 39.Qxb7+ Kxb7 40.Nd8+ Kc8 
41.Nxe6 exf4 42.Kc1 1-0

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.31"]
[Round "11"]
[White "Hoelzl, Franz"]
[Black "Toth, Bela"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2390"]
[ECO "A29"]
[EventDate "1980.07.19"]
[PlyCount "88"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.a3 
f5 9.d3 O-O 10.b4 Be6 11.Be3 Bf6 12.Rc1 Nd4 13.Bxd4 exd4 14.Na4 Bf7 15.Nc5
Rb8 16.e3 dxe3 17.fxe3 Bb2 18.Rb1 Bxa3 19.Nd4 a5 20.Nce6 Qe7 21.bxa5 Bxe6 
22.axb6 cxb6 23.Rxb6 Bd7 24.Bd5+ Kh8 25.Qf3 Bc5 26.Rxb7 Rxb7 27.Bxb7 Re8 
28.Kg2 Qxe3 29.Qxe3 Rxe3 30.Nxf5 Rxd3 31.Nh4 Rd2+ 32.Kh1 g5 33.Nf3 Rb2 34.
Be4 Bh3 35.Rg1 Bxg1 36.Nxg1 Bf1 37.Bf3 g4 38.Be4 Kg7 39.h3 Bxh3 40.Nxh3 
gxh3 41.Bf5 Rg2 42.Bxh3 Rxg3 43.Kh2 Rb3 44.Bf5 h6 0-1

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.31"]
[Round "11"]
[White "Liberzon, Vladimir"]
[Black "Wirthensohn, Heinz"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2425"]
[ECO "B82"]
[EventDate "1980.07.19"]
[PlyCount "53"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be3 Nf6 7.f4 Be7 8.Qf3 
O-O 9.O-O-O Qc7 10.Rg1 Nxd4 11.Rxd4 e5 12.Rc4 Qd8 13.f5 b5 14.Nxb5 d5 15.
exd5 Bb7 16.Qg3 Bxd5 17.Ra4 Bc6 18.Be2 a6 19.Rd1 Qb8 20.Bh6 Ne8 21.Bxg7 
Nxg7 22.Rg4 Bxb5 23.Rxg7+ Kh8 24.Rxh7+ Kxh7 25.Qh3+ Kg7 26.Qg4+ Kh6 27.
Qh5+ 1/2-1/2

[Event "13th Biel Festival"]
[Site "Biel SUI"]
[Date "1980.07.31"]
[Round "11"]
[White "Pachman, Ludek"]
[Black "Hebert, Jean"]
[Result "1-0"]
[WhiteElo "2510"]
[BlackElo "2360"]
[ECO "E84"]
[EventDate "1980.07.19"]
[PlyCount "99"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6 8.Qd2 Rb8 
9.Bh6 b5 10.h4 Na5 11.Ng3 Nxc4 12.Bxc4 bxc4 13.Bxg7 Kxg7 14.h5 g5 15.Qxg5+
Kh8 16.O-O-O c6 17.Qd2 Qa5 18.Nf1 d5 19.Ne3 Rb7 20.e5 Nd7 21.g4 Nb6 22.
Rdg1 Na4 23.Ned1 Bd7 24.Nxa4 Qxa4 25.Nc3 Qa5 26.Rh2 Rg8 27.Qe3 Be6 28.f4 
Qc7 29.f5 Bc8 30.Rf2 f6 31.Rgg2 Qd8 32.g5 fxg5 33.Rxg5 Rxg5 34.Qxg5 Qg8 
35.Qxg8+ Kxg8 36.f6 Kf7 37.fxe7+ Kxe7 38.Rf6 Rc7 39.Na4 a5 40.Nc5 Ke8 41.
h6 Bg4 42.Rf4 Bc8 43.Rf6 Bg4 44.Kd2 Rf7 45.Ke3 Ke7 46.Kf4 Bc8 47.Kg5 Rxf6 
48.exf6+ Kf7 49.a3 Bh3 50.Nb7 1-0

