[Event "candidates qf"]
[Site "Bad Lauterberg GER"]
[Date "1980.03.16"]
[Round "1.1"]
[White "Huebner, Robert"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2550"]
[ECO "D85"]
[EventDate "1980.03.16"]
[PlyCount "55"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.e4 Nxc3 7.bxc3 c5 8.Be3 
Qa5 9.Qd2 O-O 10.Rc1 cxd4 11.cxd4 Qxd2+ 12.Nxd2 e6 13.Bb5 Bd7 14.Bxd7 Nxd7
15.Ke2 Rfc8 16.Nc4 Bf8 17.Bf4 Rc6 18.Na5 Ra6 19.Nxb7 Rxa2+ 20.Kf3 e5 21.
dxe5 Re8 22.Ra1 Rb2 23.Rhb1 Nxe5+ 24.Kg3 Rxb1 25.Rxb1 Nd3 26.Be3 Rxe4 27.
Bxa7 h5 28.h3 1/2-1/2

[Event "candidates qf"]
[Site "Bad Lauterberg GER"]
[Date "1980.03.19"]
[Round "1.2"]
[White "Adorjan, Andras"]
[Black "Huebner, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2600"]
[ECO "C81"]
[EventDate "1980.03.16"]
[PlyCount "37"]

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.Qe2 Be7 10.Rd1 O-O 11.c4 bxc4 12.Bxc4 Bc5 13.Be3 Bxe3 14.Qxe3 Qb8 
15.Bb3 Na5 16.Nbd2 Qa7 17.Qxa7 Rxa7 18.Nxe4 Nxb3 19.axb3 1/2-1/2

[Event "candidates qf"]
[Site "Bad Lauterberg GER"]
[Date "1980.03.20"]
[Round "1.3"]
[White "Huebner, Robert"]
[Black "Adorjan, Andras"]
[Result "1-0"]
[WhiteElo "2600"]
[BlackElo "2550"]
[ECO "B33"]
[EventDate "1980.03.16"]
[PlyCount "69"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Nd5 Be7 11.Bxf6 Bxf6 12.c3 O-O 13.Nc2 Bg5 14.a4 bxa4 15.
Rxa4 a5 16.Bc4 Rb8 17.b3 Kh8 18.O-O f5 19.exf5 Bxf5 20.Nce3 Bg6 21.Be2 e4 
22.b4 axb4 23.cxb4 Rb7 24.b5 Ne5 25.Qd4 Qd7 26.b6 h6 27.Ra2 Qe6 28.Rc2 Nd3
29.Rc7 Rf7 30.h3 Nf4 31.Nxf4 Bxf4 32.Bc4 d5 33.Bxd5 Qxb6 34.Qxb6 Rxb6 35.
Rxf7 1-0

[Event "candidates qf"]
[Site "Bad Lauterberg GER"]
[Date "1980.03.23"]
[Round "1.4"]
[White "Adorjan, Andras"]
[Black "Huebner, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2600"]
[ECO "C09"]
[EventDate "1980.03.16"]
[PlyCount "25"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.exd5 exd5 6.Bb5 Bd6 7.dxc5 Bxc5 8.
Nb3 Bb6 9.O-O Ne7 10.Re1 O-O 11.Be3 Bf5 12.Bd3 d4 13.Bg5 1/2-1/2

[Event "candidates qf"]
[Site "Bad Lauterberg GER"]
[Date "1980.03.24"]
[Round "1.5"]
[White "Huebner, Robert"]
[Black "Adorjan, Andras"]
[Result "1-0"]
[WhiteElo "2600"]
[BlackElo "2550"]
[ECO "B31"]
[EventDate "1980.03.16"]
[PlyCount "83"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 Nf6 6.c3 a6 7.Bxc6 dxc6 8.h3 
O-O 9.d4 cxd4 10.cxd4 c5 11.e5 Nd5 12.dxc5 Nb4 13.Nc3 Bf5 14.Nd4 Nd3 15.
Nxf5 gxf5 16.Re2 Nxe5 17.Bg5 Qxd1+ 18.Rxd1 f6 19.Be3 Rfd8 20.Red2 Rxd2 21.
Rxd2 Kf7 22.Rd4 Rb8 23.Na4 Ke8 24.Rh4 Rd8 25.Rxh7 Kf8 26.Rh4 Nc6 27.Rc4 e5
28.g3 Kf7 29.Kg2 Kg6 30.Rc3 Bh6 31.Bxh6 Kxh6 32.Nb6 Rd1 33.Nc4 Rd7 34.Rb3 
Kg6 35.Rb6 e4 36.Nd6 Nd8 37.g4 fxg4 38.hxg4 Re7 39.Nf5 Rc7 40.b4 Kf7 41.
Kg3 Ne6 42.Rxb7 1-0

[Event "candidates qf"]
[Site "Bad Lauterberg GER"]
[Date "1980.03.26"]
[Round "1.6"]
[White "Adorjan, Andras"]
[Black "Huebner, Robert"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2600"]
[ECO "B16"]
[EventDate "1980.03.16"]
[PlyCount "83"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nf6 5.Nxf6+ gxf6 6.c3 Bf5 7.Ne2 Nd7 8.
Ng3 Bg6 9.h4 h6 10.h5 Bh7 11.Bd3 Bxd3 12.Qxd3 Qc7 13.Qf3 e6 14.Bf4 Qa5 15.
O-O Qd5 16.Qe2 Bd6 17.Bxd6 Qxd6 18.Rad1 O-O-O 19.c4 Kb8 20.Ne4 Qc7 21.d5 
f5 22.dxe6 fxe6 23.Nd6 Nc5 24.b4 Rxd6 25.bxc5 Rxd1 26.Rxd1 Re8 27.Rd6 Qe7 
28.Qe5 Kc8 29.Rd3 Qf7 30.Qd6 f4 31.Qe5 Rf8 32.Rd6 Re8 33.Rd4 Qf5 34.Qxf5 
exf5 35.Rd6 f3 36.Rxh6 fxg2 37.Rg6 Kd7 38.h6 Ke7 39.Rg7+ Kf6 40.Rxb7 a5 
41.h7 Kg6 42.Kxg2 1-0

[Event "candidates qf"]
[Site "Bad Lauterberg GER"]
[Date "1980.03.30"]
[Round "1.7"]
[White "Huebner, Robert"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2550"]
[ECO "B31"]
[EventDate "1980.03.16"]
[PlyCount "80"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6 4.O-O Bg7 5.Re1 Nf6 6.c3 O-O 7.h3 e5 8.Na3 d6 
9.Bxc6 bxc6 10.d3 a5 11.Be3 a4 12.Qc2 Re8 13.Rad1 Be6 14.Qb1 Qb8 15.d4 
exd4 16.cxd4 d5 17.e5 Nd7 18.dxc5 Bf5 19.Qc1 Nxe5 20.Nxe5 Rxe5 21.Nc2 Bxc2
22.Qxc2 Qb4 23.Rf1 Re4 24.b3 axb3 25.axb3 Qc3 26.Qb1 h5 27.Rd3 Qb2 28.Qxb2
Bxb2 29.Rb1 Be5 30.Kf1 Ra3 31.Bd2 f6 32.f3 Rd4 33.Ke2 Kf7 34.g4 hxg4 35.
hxg4 Ke6 36.Rxd4 Bxd4 37.b4 Bc3 38.Bc1 Ra4 39.b5 cxb5 40.Rxb5 Rc4 1/2-1/2

[Event "candidates qf"]
[Site "Bad Lauterberg GER"]
[Date "1980.04.02"]
[Round "1.8"]
[White "Adorjan, Andras"]
[Black "Huebner, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2600"]
[ECO "C42"]
[EventDate "1980.03.16"]
[PlyCount "27"]

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.Nbd2 Nxd2 10.Qxd2 Bxd3 11.Qxd3 O-O 12.c3 Qd6 13.Qf5 Rad8 14.Bf4 
1/2-1/2

[Event "candidates qf"]
[Site "Bad Lauterberg GER"]
[Date "1980.04.07"]
[Round "1.9"]
[White "Huebner, Robert"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2550"]
[ECO "A07"]
[EventDate "1980.03.16"]
[PlyCount "132"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O c5 5.d3 g6 6.e4 d6 7.Nh4 Nc6 8.f4 Bg7 9.
Nc3 O-O 10.f5 Ne5 11.Bf4 e6 12.Qd2 Qd7 13.h3 Nh5 14.Ne2 Nxf4 15.Qxf4 h6 
16.Qc1 g5 17.Nf3 Nxf3+ 18.Rxf3 exf5 19.Rxf5 d5 20.Nc3 dxe4 21.dxe4 Rae8 
22.Nd5 Qa4 23.c3 Rxe4 24.Nf6+ Bxf6 25.Rxf6 Kg7 26.Rd6 Qe8 27.Rd2 Re7 28.
Bxb7 Rxb7 29.Qf1 Qe3+ 30.Qf2 Re8 31.Rad1 Rbe7 32.Rf1 Qxf2+ 33.Rfxf2 Kg6 
34.g4 Re6 35.Kg2 R8e7 36.Rd8 f6 37.Rg8+ Rg7 38.Rf8 Rd7 39.Rg8+ Kf7 40.Rb8 
Kg7 41.Ra8 Red6 42.a4 Rd2 43.b4 cxb4 44.cxb4 R2d4 45.Rb2 Rd3 46.Ra2 R3d4 
47.b5 Rf4 48.Ra3 Rf7 49.Kg3 f5 50.gxf5 h5 51.Kh2 Rf2+ 52.Kg1 R2xf5 53.Rg3 
Rc7 54.Kh2 Rd5 55.Rg2 Re5 56.Rd8 Rec5 57.Rgd2 h4 58.Kg2 Rc4 59.R2d5 Rxa4 
60.Rxg5+ Kf6 61.Rdg8 Ra2+ 62.Kf3 Rc3+ 63.Kg4 Rg2+ 64.Kh5 Rxg5+ 65.Rxg5 Rc5
66.Kxh4 Rxg5 1/2-1/2

[Event "candidates qf"]
[Site "Bad Lauterberg GER"]
[Date "1980.04.09"]
[Round "1.10"]
[White "Adorjan, Andras"]
[Black "Huebner, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2550"]
[BlackElo "2600"]
[ECO "C42"]
[EventDate "1980.03.16"]
[PlyCount "68"]

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.Nbd2 Nxd2 10.Qxd2 Bxd3 11.Qxd3 O-O 12.c3 Qd7 13.Bf4 Rfe8 14.h3 a6 
15.Re3 Bd6 16.Ng5 g6 17.Bxd6 Qxd6 18.Rae1 Qd7 19.Nf3 Rxe3 20.Qxe3 Rf8 21.
Nh2 f6 22.Ng4 h5 23.Nh2 Kg7 24.g4 Rf7 25.Qf4 Re7 26.Rxe7+ Nxe7 27.g5 fxg5 
28.Qe5+ Kg8 29.Qxg5 Qd6 30.Nf3 Nf5 31.Ne5 Kg7 32.Nd3 Qf6 33.Qg2 c6 34.Ne5 
Nd6 1/2-1/2

[Event "candidates qf"]
[Site "Alma-Ata URS"]
[Date "1980.03.24"]
[Round "1.1"]
[White "Polugaevsky, Lev"]
[Black "Tal, Mikhail"]
[Result "1-0"]
[WhiteElo "2635"]
[BlackElo "2705"]
[ECO "D58"]
[EventDate "1980.03.24"]
[PlyCount "83"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 d5 4.d4 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.Qb3 Bb7 
9.Bxf6 Bxf6 10.cxd5 exd5 11.Rd1 Re8 12.Bd3 Nc6 13.O-O Na5 14.Qc2 c5 15.
dxc5 bxc5 16.Na4 c4 17.Be2 Qc7 18.Nc3 Rad8 19.Rd2 Rd7 20.Rfd1 Red8 21.Nd4 
Nc6 22.Ndb5 Qa5 23.Bxc4 a6 24.Nxd5 Rxd5 25.Rxd5 Rxd5 26.Bxd5 Qxb5 27.a4 
Qb6 28.Qe4 Nd8 29.Bxb7 Nxb7 30.b4 Kf8 31.Rd7 Nd8 32.g3 Qb8 33.Qc4 Ke8 34.
Rd5 Qb7 35.b5 a5 36.h4 Be7 37.Rd1 Ne6 38.Qc3 Bb4 39.Qe5 Be7 40.Rc1 Bf6 41.
Qd6 Bd8 42.Qa6 1-0

[Event "candidates qf"]
[Site "Alma-Ata URS"]
[Date "1980.03.27"]
[Round "1.2"]
[White "Tal, Mikhail"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[WhiteElo "2705"]
[BlackElo "2635"]
[ECO "B96"]
[EventDate "1980.03.24"]
[PlyCount "140"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.e5 dxe5 
9.fxe5 Qc7 10.Bxb5+ axb5 11.exf6 Qe5+ 12.Qe2 Qxg5 13.Ndxb5 Ra5 14.fxg7 
Bxg7 15.Ne4 Qe5 16.Nbd6+ Ke7 17.O-O f5 18.Rad1 Rd5 19.Qc4 Rxd1 20.Rxd1 
fxe4 21.Nxc8+ Kf7 22.Nd6+ Kg6 23.Nxe4 Na6 24.Nf2 Nc5 25.b4 Na4 26.Ng4 Qf5 
27.Ne3 Nb2 28.Qh4 Qe5 29.Qg4+ Kh6 30.Re1 Bf6 31.b5 Rf8 32.b6 Bg5 33.Qg3 
Qxg3 34.hxg3 Kg7 35.Ng4 Nc4 36.Rxe6 Rb8 37.Rc6 Nxb6 38.Rc7+ Kg8 39.c4 Na4 
40.Kf2 Rb2+ 41.Kf3 Rxa2 42.Ke4 Re2+ 43.Kf5 Be7 44.Nf6+ Bxf6 45.Kxf6 Nb6 
46.g4 Rxg2 47.Kg5 Rd2 48.c5 Nd7 49.c6 Rd5+ 50.Kh6 Rd6+ 51.Kg5 Ne5 52.Rc8+ 
Kg7 53.Rc7+ Nf7+ 54.Kf5 h6 55.Ke4 Kf6 56.Rc8 Rd1 57.Rf8 Rd6 58.Rc8 Ng5+ 
59.Ke3 Ke7 60.Kf4 Nf7 61.Kg3 Rd3+ 62.Kg2 Rc3 63.Rc7+ Kf6 64.Rc8 Ne5 65.c7 
Nf7 66.Rg8 Rxc7 67.Kg3 Rc1 68.Ra8 Ne5 69.Rf8+ Kg7 70.Rf5 Rc3+ 0-1

[Event "candidates qf"]
[Site "Alma-Ata URS"]
[Date "1980.03.31"]
[Round "1.3"]
[White "Polugaevsky, Lev"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2705"]
[ECO "D58"]
[EventDate "1980.03.24"]
[PlyCount "34"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 d5 4.d4 Be7 5.Bg5 h6 6.Bh4 O-O 7.e3 b6 8.Qb3 Bb7 
9.Bxf6 Bxf6 10.cxd5 exd5 11.Rd1 Re8 12.Bd3 c5 13.dxc5 Nd7 14.c6 Bxc6 15.
O-O Nc5 16.Qc2 Rc8 17.Nd4 Bxd4 1/2-1/2

[Event "candidates qf"]
[Site "Alma-Ata URS"]
[Date "1980.04.01"]
[Round "1.4"]
[White "Tal, Mikhail"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2705"]
[BlackElo "2635"]
[ECO "B96"]
[EventDate "1980.03.24"]
[PlyCount "72"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.e5 dxe5 
9.fxe5 Qc7 10.exf6 Qe5+ 11.Be2 Qxg5 12.Qd3 Qxf6 13.Rf1 Qe5 14.Rd1 Ra7 15.
Nf3 Qc7 16.Ng5 f5 17.Qd4 h5 18.Rxf5 exf5 19.Nd5 Qd7 20.Qh4 Be7 21.Kf1 Bxg5
22.Bxh5+ Kf8 23.Qxg5 Rxh5 24.Qxh5 Qf7 25.Qh8+ Qg8 26.Qh4 Kf7 27.Qh5+ g6 
28.Qh4 Qg7 29.Qd8 Be6 30.Qxb8 Rd7 31.c4 bxc4 32.Nc3 Rxd1+ 33.Nxd1 Qd4 34.
Nc3 Qd3+ 35.Kf2 Qd4+ 36.Kf1 Qd3+ 1/2-1/2

[Event "candidates qf"]
[Site "Alma-Ata URS"]
[Date "1980.04.07"]
[Round "1.5"]
[White "Polugaevsky, Lev"]
[Black "Tal, Mikhail"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2705"]
[ECO "E98"]
[EventDate "1980.03.24"]
[PlyCount "40"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Ne1 Nd7 10.Nd3 f5 11.Bd2 fxe4 12.Nxe4 Nf6 13.Nxf6+ Bxf6 14.Bc3 Nf5 15.
Bf3 Bg7 16.Be4 Qh4 17.Re1 b6 18.g3 Qg5 19.Qc1 Qxc1 20.Raxc1 a5 1/2-1/2

[Event "candidates qf"]
[Site "Alma-Ata URS"]
[Date "1980.04.08"]
[Round "1.6"]
[White "Tal, Mikhail"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2705"]
[BlackElo "2635"]
[ECO "B46"]
[EventDate "1980.03.24"]
[PlyCount "79"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.g3 d6 7.Bg2 Bd7 8.O-O Nf6
9.b3 Be7 10.Nce2 Rc8 11.c4 b5 12.cxb5 Nxd4 13.Nxd4 axb5 14.Bd2 O-O 15.Re1 
Re8 16.Bb4 Qb6 17.Qd2 Ng4 18.Nf3 Bc6 19.Rac1 e5 20.Qe2 Nf6 21.Nd2 Qb7 22.
Bh3 Bd7 23.Bxd7 Qxd7 24.Nb1 Nxe4 25.Rxc8 Rxc8 26.Qxe4 d5 27.Qxe5 Bxb4 28.
Rd1 Qe6 29.Qd4 Qe2 30.Rf1 Bc5 31.Qxd5 Qxa2 32.Nc3 Qa6 33.Qd3 Qb6 34.Nd5 
Qb7 35.Rd1 h6 36.Qf3 Qa8 37.Rd3 Bf8 38.h4 Rc1+ 39.Kh2 Qc6 40.Kg2 1/2-1/2

[Event "candidates qf"]
[Site "Alma-Ata URS"]
[Date "1980.04.10"]
[Round "1.7"]
[White "Polugaevsky, Lev"]
[Black "Tal, Mikhail"]
[Result "1-0"]
[WhiteElo "2635"]
[BlackElo "2705"]
[ECO "E98"]
[EventDate "1980.03.24"]
[PlyCount "82"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.d4 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Ne1 Nd7 10.Nd3 f5 11.Bd2 Nf6 12.f3 f4 13.c5 g5 14.Rc1 Ng6 15.cxd6 cxd6 
16.Nb5 Rf7 17.Qc2 Ne8 18.a4 h5 19.Nf2 Bf8 20.h3 Rg7 21.a5 Bd7 22.Qb3 Nh4 
23.Be1 Be7 24.Rc3 Bf8 25.Rc2 Kh7 26.Rc3 Kh8 27.Qd1 a6 28.Na3 Qxa5 29.Rc8 
Qxe1 30.Rxa8 Qb4 31.Nc4 Qc5 32.Qd2 b5 33.b4 Qc7 34.Na5 Qb6 35.Nc6 Rg6 36.
Ra1 Bxc6 37.dxc6 Qxc6 38.R1xa6 Qd7 39.R6a7 Qc6 40.Qd5 Qc1+ 41.Bf1 g4 1-0

[Event "candidates qf"]
[Site "Alma-Ata URS"]
[Date "1980.04.12"]
[Round "1.8"]
[White "Tal, Mikhail"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2705"]
[BlackElo "2635"]
[ECO "B44"]
[EventDate "1980.03.24"]
[PlyCount "66"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N1c3 a6 8.Na3 
Be7 9.Be2 O-O 10.O-O b6 11.Be3 Ne5 12.f3 Bb7 13.Qe1 Re8 14.Qf2 Ned7 15.
Rfd1 Qc7 16.Rac1 Rac8 17.Kh1 Qb8 18.g4 h6 19.h4 Nh7 20.Bf4 g5 21.hxg5 hxg5
22.Bg3 Nhf8 23.Qh2 Ne5 24.Qh6 Nfg6 25.Kg2 Qc7 26.Rh1 Bf6 27.Nc2 Qe7 28.Ne3
Nh4+ 29.Kf2 Neg6 30.Rcd1 Bg7 31.Qh5 Be5 32.Bxh4 gxh4 33.Ng2 Bg3+ 1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.03.30"]
[Round "1.1"]
[White "Spassky, Boris"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[WhiteElo "2615"]
[BlackElo "2655"]
[ECO "B25"]
[EventDate "1980.03.30"]
[PlyCount "75"]

1.e4 c5 2.Nc3 d6 3.g3 Nc6 4.Bg2 g6 5.d3 Bg7 6.f4 e6 7.Nf3 Nge7 8.O-O O-O 
9.Rb1 b6 10.Bd2 Bb7 11.Ne2 Qd7 12.g4 f5 13.gxf5 exf5 14.c4 Nd8 15.Nc3 Ne6 
16.Ng5 Nxg5 17.fxg5 Rf7 18.Qf3 Raf8 19.Qh3 Qd8 20.exf5 Bc8 21.Ne4 Bd4+ 22.
Kh1 Nxf5 23.Nf6+ Kh8 24.Bc3 Ne3 25.Qh4 Bxc3 26.bxc3 Nxf1 27.Rxf1 Bf5 28.d4
Rxf6 29.gxf6 Qxf6 30.Qxf6+ Rxf6 31.a4 Kg7 32.a5 Bd3 33.Rxf6 Kxf6 34.axb6 
axb6 35.Bd5 Kf5 36.dxc5 dxc5 37.Kg1 Kf4 38.Kf2 0-1

[Event "candidates qf"]
[Site "Xalapa MEX"]
[Date "1980.04.02"]
[Round "1.2"]
[White "Portisch, Lajos"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[WhiteElo "2655"]
[BlackElo "2615"]
[ECO "D54"]
[EventDate "1980.03.30"]
[PlyCount "48"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Rc1 h6 7.Bh4 b6 8.cxd5 Nxd5
9.Nxd5 exd5 10.Bxe7 Qxe7 11.Ne2 Bb7 12.Nf4 c5 13.Be2 cxd4 14.Qxd4 Nc6 15.
Qxd5 g5 16.Nd3 Nb4 17.Qb3 Nxd3+ 18.Bxd3 Bxg2 19.Rg1 Be4 20.h4 Rac8 21.Rxc8
Rxc8 22.Ke2 Rc5 23.hxg5 hxg5 24.f4 Kf8 1/2-1/2

[Event "candidates qf"]
[Site "Xalapa MEX"]
[Date "1980.04.03"]
[Round "1.3"]
[White "Spassky, Boris"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2655"]
[ECO "E12"]
[EventDate "1980.03.30"]
[PlyCount "27"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb7 5.Bg5 h6 6.Bh4 Be7 7.e3 Ne4 8.Bxe7 
Qxe7 9.Nxe4 Bxe4 10.Be2 O-O 11.O-O d6 12.Nd2 Bb7 13.Bf3 c5 14.Bxb7 1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.04.07"]
[Round "1.4"]
[White "Portisch, Lajos"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[WhiteElo "2655"]
[BlackElo "2615"]
[ECO "E59"]
[EventDate "1980.03.30"]
[PlyCount "66"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 d5 6.Nf3 O-O 7.O-O Nc6 8.a3 Bxc3 
9.bxc3 dxc4 10.Bxc4 Qc7 11.Bb5 a6 12.Be2 e5 13.Bb2 e4 14.Nd2 Bf5 15.a4 
Rfd8 16.Qc2 Rac8 17.Rfc1 cxd4 18.cxd4 Nxd4 19.Qxc7 Nxe2+ 20.Kf1 Nxc1 21.
Qb6 Nd5 22.Qa5 Nd3 23.Bd4 N3b4 24.Nc4 Nc6 25.Qd2 Be6 26.Na3 Ndb4 27.a5 
Nxd4 28.exd4 Nd5 29.Rc1 h6 30.Rc5 b6 31.axb6 Nxb6 32.Rxc8 Rxc8 33.h3 Nd5 
1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.04.09"]
[Round "1.5"]
[White "Spassky, Boris"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2655"]
[ECO "C18"]
[EventDate "1980.03.30"]
[PlyCount "50"]

1.d4 e6 2.e4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Qc7 7.Qg4 f5 8.Qh5+ g6
9.Qd1 Nc6 10.Nf3 Bd7 11.dxc5 h6 12.Rb1 Nge7 13.Bb5 Nxe5 14.Qd4 Nxf3+ 15.
gxf3 Kf7 16.Bf4 Qc8 17.Bd6 Rh7 18.Rg1 Bxb5 19.Bxe7 Kxe7 20.Rxb5 Kf7 21.Kd2
Rg7 22.Qh4 Qc6 23.Rgb1 Kg8 24.Qb4 Rb8 25.Qa5 Kh7 1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.04.12"]
[Round "1.6"]
[White "Portisch, Lajos"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[WhiteElo "2655"]
[BlackElo "2615"]
[ECO "A14"]
[EventDate "1980.03.30"]
[PlyCount "103"]

1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 e6 5.O-O Be7 6.Nc3 O-O 7.Re1 d5 8.cxd5 
exd5 9.d4 Na6 10.Bg5 c6 11.Qa4 Nc7 12.Ne5 b5 13.Qb3 Ne6 14.Nf3 c5 15.Bxf6 
Bxf6 16.dxc5 Rb8 17.Rad1 d4 18.e3 Nxc5 19.Qb4 Na6 20.Qb3 d3 21.Nd2 Bxg2 
22.Kxg2 Nc5 23.Qb4 Qd6 24.Nb3 Qc6+ 25.e4 Nxb3 26.Qxb3 Bxc3 27.Qxc3 Qc4 28.
Rxd3 Qxa2 29.Qa3 Qxa3 30.Rxa3 Rb7 31.Rea1 Re7 32.Kf3 f5 33.Rxa7 fxe4+ 34.
Ke2 Rxa7 35.Rxa7 Rc8 36.Rd7 Rc4 37.Kd2 Rb4 38.Kc3 Rc4+ 39.Kb3 g6 40.Rd5 
Rc1 41.Rd2 g5 42.Re2 Rh1 43.Kc3 Rxh2 44.Kd4 Kf7 45.Kxe4 Ke6 46.Rc2 b4 47.
Rc6+ Kd7 48.Rf6 Ke7 49.Rf5 Ke6 50.Rf8 Ke7 51.Rf3 Ke6 52.Rf8 1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.04.16"]
[Round "1.7"]
[White "Spassky, Boris"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2655"]
[ECO "B10"]
[EventDate "1980.03.30"]
[PlyCount "39"]

1.e4 c6 2.c4 d5 3.exd5 cxd5 4.cxd5 Nf6 5.Nc3 Nxd5 6.Bc4 Nb6 7.Bb3 Nc6 8.
Nf3 Bf5 9.d4 e6 10.O-O Be7 11.d5 exd5 12.Nxd5 Nxd5 13.Bxd5 O-O 14.Be3 Bf6 
15.Rc1 Nb4 16.Bxb7 Rb8 17.Qxd8 Bxd8 18.Bc6 Nxc6 19.Rxc6 Rxb2 20.Bxa7 
1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.04.18"]
[Round "1.8"]
[White "Portisch, Lajos"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[WhiteElo "2655"]
[BlackElo "2615"]
[ECO "A15"]
[EventDate "1980.03.30"]
[PlyCount "80"]

1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 g6 5.O-O Bg7 6.d4 e6 7.Nc3 Ne4 8.Nxe4 
Bxe4 9.Bg5 f6 10.Be3 O-O 11.Qd2 Nc6 12.Rfd1 d5 13.Rac1 Ne7 14.cxd5 exd5 
15.Bh6 Qd7 16.Bxg7 Kxg7 17.Ne1 Bxg2 18.Nxg2 c6 19.Rc3 Rac8 20.Rdc1 Nf5 21.
e3 g5 22.Qc2 Ne7 23.b4 Qh3 24.f3 Rfd8 25.Qf2 Rd6 26.b5 Qe6 27.Qc2 Rd7 28.
a4 Rdc7 29.e4 Rd8 30.Re1 Rdc8 31.Ne3 Kf8 32.Rc1 c5 33.exd5 Nxd5 34.Nxd5 
Qxd5 35.Qe4 Qd6 36.dxc5 bxc5 37.Rd3 Qe7 38.Qc4 Rd8 39.Rxd8+ Qxd8 40.a5 Re7
1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.04.22"]
[Round "1.9"]
[White "Spassky, Boris"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[WhiteElo "2615"]
[BlackElo "2655"]
[ECO "B18"]
[EventDate "1980.03.30"]
[PlyCount "97"]

1.e4 c6 2.Nc3 d5 3.d4 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.c4 Qc7 13.O-O-O O-O-O 14.Bc3 c5 15.
Kb1 cxd4 16.Nxd4 a6 17.Nb3 Be7 18.Ba5 b6 19.Bc3 Nc5 20.Qf3 Qb7 21.Qxb7+ 
Kxb7 22.Nxc5+ bxc5 23.f3 Rxd1+ 24.Rxd1 Kc6 25.Rh1 Nd7 26.Kc2 Rg8 27.Ne2 
Bd6 28.a3 f5 29.b4 Nb6 30.Kb3 Kd7 31.Rd1 Ke7 32.bxc5 Bxc5 33.Nf4 Rb8 34.
Bb4 Nd7 35.Kc3 Rc8 36.Nd3 Bxb4+ 37.axb4 e5 38.Ra1 Rc6 39.Ra5 Kf6 40.g3 Re6
41.Rd5 Nf8 42.Rd8 Ke7 43.Ra8 g6 44.Nc5 Rd6 45.Nxa6 Ne6 46.b5 gxh5 47.c5 
Rd5 48.Ra7+ Ke8 49.b6 1-0

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.04.24"]
[Round "1.10"]
[White "Portisch, Lajos"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[WhiteElo "2655"]
[BlackElo "2615"]
[ECO "D58"]
[EventDate "1980.03.30"]
[PlyCount "64"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.Bg5 h6 6.Bh4 O-O 7.e3 b6 8.Rc1 Bb7 
9.Be2 dxc4 10.Bxc4 Ne4 11.Bxe7 Qxe7 12.Nxe4 Bxe4 13.O-O Rd8 14.Be2 c5 15.
Nd2 Bd5 16.dxc5 bxc5 17.Qc2 Nd7 18.a3 Rab8 19.Bf3 Ne5 20.e4 Bc6 21.Be2 Bb5
22.Bxb5 Rxb5 23.Rfd1 Qf6 24.Rb1 Rdb8 25.b3 Qe7 26.Qc3 Nc6 27.b4 a5 28.bxc5
Qxc5 29.Qxc5 Rxc5 30.Rxb8+ Nxb8 31.Nb3 Rb5 32.Nd4 Rc5 1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.04.26"]
[Round "1.11"]
[White "Spassky, Boris"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2655"]
[ECO "A07"]
[EventDate "1980.03.30"]
[PlyCount "33"]

1.e4 c5 2.Nc3 d6 3.g3 Nc6 4.Bg2 g6 5.d3 Bg7 6.Be3 Rb8 7.Qd2 b5 8.Nge2 Nd4 
9.O-O e6 10.Nd1 Ne7 11.Nxd4 cxd4 12.Bh6 O-O 13.Bxg7 Kxg7 14.f4 f6 15.Bh3 
e5 16.Nf2 Bxh3 17.Nxh3 1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.04.28"]
[Round "1.12"]
[White "Portisch, Lajos"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[WhiteElo "2655"]
[BlackElo "2615"]
[ECO "A17"]
[EventDate "1980.03.30"]
[PlyCount "35"]

1.Nf3 Nf6 2.c4 e6 3.Nc3 b6 4.e4 Bb7 5.d3 d6 6.g3 g6 7.Bg2 Bg7 8.O-O c5 9.
Re1 O-O 10.d4 cxd4 11.Nxd4 Nbd7 12.b3 a6 13.Bb2 Qc7 14.Re2 Rad8 15.Qe1 Qb8
16.Rd1 Nc5 17.f3 Rfe8 18.Kh1 1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.04.30"]
[Round "1.13"]
[White "Portisch, Lajos"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[WhiteElo "2655"]
[BlackElo "2615"]
[ECO "E17"]
[EventDate "1980.03.30"]
[PlyCount "29"]

1.Nf3 Nf6 2.c4 b6 3.d4 Bb7 4.Nc3 e6 5.a3 g6 6.Bg5 Bg7 7.e3 h6 8.Bh4 d6 9.
d5 O-O 10.Be2 g5 11.Bg3 Nh5 12.Rb1 Nxg3 13.hxg3 Qe7 14.O-O Nd7 15.Nd4 
1/2-1/2

[Event "candidates qf"]
[Site "Mexico City MEX"]
[Date "1980.05.03"]
[Round "1.14"]
[White "Spassky, Boris"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2655"]
[ECO "A07"]
[EventDate "1980.03.30"]
[PlyCount "154"]

1.e4 c5 2.Nc3 d6 3.g3 Nc6 4.Bg2 g6 5.d3 Bg7 6.Be3 Rb8 7.Qd2 b5 8.Nge2 Nd4 
9.O-O e6 10.Nd1 Ne7 11.Nc1 b4 12.a3 a5 13.axb4 axb4 14.c3 bxc3 15.bxc3 
Ndc6 16.Bh6 O-O 17.Bxg7 Kxg7 18.Ne3 d5 19.Qc2 d4 20.Nc4 e5 21.Nb3 dxc3 22.
Qxc3 Nd4 23.Nxd4 cxd4 24.Qa3 f6 25.Qc5 Rb7 26.f4 exf4 27.Rxf4 Rc7 28.Qb6 
g5 29.Rff1 Ng6 30.Ra5 Rcf7 31.Qc5 Be6 32.Nd6 Rd7 33.Ra6 Qe7 34.Rb1 Ne5 35.
Qa3 Rfd8 36.Rbb6 Kg6 37.h3 Kg7 38.Bf1 Rf8 39.Qa1 h6 40.Kg2 Rfd8 41.Nb5 Bf7
42.Rxf6 Qb4 43.Rab6 Nxd3 44.Nd6 Qd2+ 45.Kh1 Rxd6 46.Rbxd6 Rxd6 47.Rxd6 
Nf2+ 48.Kg1 Nxe4 49.Qxd4+ Qxd4+ 50.Rxd4 Nxg3 51.Bd3 Nh5 52.Rd6 Nf4 53.Bf5 
Bg6 54.Bc8 Nd3 55.Kg2 Ne5 56.Kf2 h5 57.Ra6 Nd3+ 58.Ke3 Nf4 59.Kd4 Kf7 60.
Rb6 Kg7 61.Rb5 Kf6 62.Ra5 Ne2+ 63.Ke3 Nf4 64.Ra6+ Kg7 65.Ra2 Nd5+ 66.Kd4 
Nf4 67.Ra5 Kf6 68.Ke3 Ng2+ 69.Kf3 Nh4+ 70.Kf2 Nf5 71.Ra6+ Kg7 72.Bd7 Nd4 
73.h4 gxh4 74.Ke3 Nf5+ 75.Kf4 Nh6 76.Kg5 Nf7+ 77.Kxh4 Ne5 1/2-1/2

[Event "candidates qf"]
[Site "Velden AUT"]
[Date "1980.03.08"]
[Round "1.1"]
[White "Kortschnoj, Viktor"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2695"]
[BlackElo "2615"]
[ECO "D94"]
[EventDate "1980.03.08"]
[PlyCount "140"]

1.c4 Nf6 2.d4 c6 3.e3 d5 4.Bd3 g6 5.Nf3 Bg7 6.Nc3 O-O 7.O-O Bg4 8.h3 Bxf3 
9.Qxf3 e6 10.Rd1 Nbd7 11.Bf1 Re8 12.b3 a6 13.Bb2 Qe7 14.Rac1 Rad8 15.Qe2 
h5 16.Qc2 Nb6 17.Bd3 Nc8 18.Nb1 Nh7 19.Ba3 Qc7 20.Nd2 Nb6 21.Nf3 Nd7 22.
Bb4 Nhf6 23.Bc3 Nh7 24.Be1 Rc8 25.b4 Nhf6 26.Qb3 Qb8 27.a4 Red8 28.Bc3 Qc7
29.c5 Nh7 30.b5 axb5 31.axb5 e5 32.b6 Qb8 33.e4 exd4 34.Bxd4 Bxd4 35.Nxd4 
Qf4 36.Ne2 Qf6 37.exd5 cxd5 38.Qb4 Qe7 39.Nd4 Nhf6 40.Re1 Qf8 41.Bxg6 fxg6
42.Ne6 Qe7 43.Qb1 Re8 44.Nc7 Qf7 45.Nxe8 Nxe8 46.c6 bxc6 47.b7 Rb8 48.Rxc6
Ndf6 49.Rb6 Ne4 50.Rxe4 dxe4 51.Qxe4 Kh7 52.Qc6 Qf6 53.Qd7+ Qg7 54.Qe6 Qf6
55.Qe3 Nd6 56.Qg3 h4 57.Qxd6 Qxd6 58.Rxd6 Rxb7 59.Kf1 Kh6 60.Rd4 g5 61.Ke2
Kg6 62.Kf3 Rf7+ 63.Ke3 Re7+ 64.Re4 Ra7 65.Re6+ Kf5 66.Rd6 Ra3+ 67.Rd3 Ra5 
68.Kd4 Ra2 69.Rf3+ Kg6 70.Rf8 Kg7 1/2-1/2

[Event "candidates qf"]
[Site "Velden AUT"]
[Date "1980.03.09"]
[Round "1.2"]
[White "Petrosian, Tigran"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2695"]
[ECO "E46"]
[EventDate "1980.03.08"]
[PlyCount "32"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Ne2 d5 6.a3 Be7 7.cxd5 Nxd5 8.Qc2 
Nd7 9.Bd2 c5 10.Nxd5 exd5 11.Nf4 cxd4 12.Nxd5 dxe3 13.Nxe3 Nf6 14.Bd3 Be6 
15.O-O Bd6 16.Bc3 Qc7 1/2-1/2

[Event "candidates qf"]
[Site "Velden AUT"]
[Date "1980.03.11"]
[Round "1.3"]
[White "Kortschnoj, Viktor"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2695"]
[BlackElo "2615"]
[ECO "A11"]
[EventDate "1980.03.08"]
[PlyCount "101"]

1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3 e6 5.b3 Nbd7 6.Bb2 Be7 7.d4 O-O 8.Bd3 b6 
9.O-O Bb7 10.Qe2 Qc7 11.Rac1 Rad8 12.cxd5 exd5 13.a3 Qb8 14.Rfd1 Bd6 15.b4
Rfe8 16.Qc2 Re7 17.Ne2 a6 18.Ng3 g6 19.Re1 Rde8 20.Re2 Ne4 21.Bxe4 dxe4 
22.Nd2 Bxg3 23.hxg3 Nf6 24.d5 Nxd5 25.Nc4 Re6 26.Rd2 f6 27.Rcd1 Kg7 28.Bd4
Bc8 29.Qb2 h5 30.a4 b5 31.Na5 bxa4 32.Bc5 Bd7 33.Nc4 Kh6 34.Ra1 g5 35.Rxa4
Kg6 36.Qc2 Bc8 37.Na5 Qc7 38.Nb3 f5 39.Bd4 R6e7 40.Ba1 Qd6 41.Na5 Re6 42.
Qb2 Qf8 43.Nxc6 Nb6 44.Nd8 Nxa4 45.Nxe6 Rxe6 46.Rd8 Nxb2 47.Rxf8 Nd3 48.
Rxc8 Rb6 49.Bc3 a5 50.Rg8+ Kh6 51.Rh8+ 1/2-1/2

[Event "candidates qf"]
[Site "Velden AUT"]
[Date "1980.03.15"]
[Round "1.4"]
[White "Petrosian, Tigran"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2695"]
[ECO "E47"]
[EventDate "1980.03.08"]
[PlyCount "90"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Ne2 d5 7.O-O dxc4 8.Bxc4 
Nc6 9.a3 Bxc3 10.bxc3 Qc7 11.Bb2 Rd8 12.Ba2 b6 13.Re1 Bb7 14.Ng3 Rd7 15.
Qe2 Rad8 16.Rad1 h6 17.h3 Qc8 18.Bc4 Na5 19.Bd3 Nc6 20.f3 Qb8 21.Qf2 e5 
22.Nf5 exd4 23.cxd4 cxd4 24.Nxd4 Ne5 25.Bf5 Rd6 26.a4 Nc4 27.Ba1 a6 28.Rb1
Nd5 29.Bd3 Ne5 30.Bf1 Ne7 31.Rec1 Rg6 32.Kh1 Qa8 33.e4 Nd7 34.Rc2 a5 35.
Rc7 Qb8 36.Rbc1 Rc8 37.Rxc8+ Bxc8 38.Qh4 Rg5 39.Rd1 Nc5 40.Bb5 Ng6 41.Qf2 
Nf4 42.Nc6 Qc7 43.Qd2 Kh7 44.Be5 Rxe5 45.Qxf4 Re7 1/2-1/2

[Event "candidates qf"]
[Site "Velden AUT"]
[Date "1980.03.16"]
[Round "1.5"]
[White "Kortschnoj, Viktor"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[WhiteElo "2695"]
[BlackElo "2615"]
[ECO "D37"]
[EventDate "1980.03.08"]
[PlyCount "91"]

1.c4 e6 2.Nc3 d5 3.d4 Nf6 4.Nf3 Be7 5.Bf4 O-O 6.e3 b6 7.cxd5 exd5 8.Bd3 
Bb7 9.h3 c5 10.O-O Nbd7 11.Qe2 c4 12.Bc2 a6 13.Rad1 b5 14.a3 Re8 15.Ne5 
Nf8 16.Bh2 Qb6 17.f3 a5 18.Kh1 b4 19.Na4 Qb5 20.Ra1 N6d7 21.Nxd7 Nxd7 22.
e4 Nf8 23.Bg1 Bc6 24.Rfe1 Rab8 25.axb4 axb4 26.b3 c3 27.Bd3 Qb7 28.Ba6 Qd7
29.Bh2 dxe4 30.fxe4 Qxd4 31.Rad1 Qa7 32.Bxb8 Rxb8 33.Bc4 Be8 34.Rf1 Bg5 
35.Rd5 Qe7 36.Nc5 g6 37.Qf2 Bh6 38.e5 Bg7 39.Ne4 Bxe5 40.Re1 Kg7 41.Nd6 
Bxd6 42.Rxe7 Bxe7 43.Rd1 Bf6 44.Rf1 Nd7 45.g4 Rc8 46.Bb5 1-0

[Event "candidates qf"]
[Site "Velden AUT"]
[Date "1980.03.19"]
[Round "1.6"]
[White "Petrosian, Tigran"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2695"]
[ECO "E12"]
[EventDate "1980.03.08"]
[PlyCount "76"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Ba6 5.Qc2 d5 6.cxd5 exd5 7.Nc3 c6 8.g3 Bd6 
9.Bg2 O-O 10.O-O Re8 11.Re1 Nbd7 12.Bg5 h6 13.Bxf6 Nxf6 14.e4 dxe4 15.Nxe4
Nxe4 16.Rxe4 Rxe4 17.Qxe4 Rc8 18.Ne5 Bxe5 19.dxe5 Qd3 20.Qxd3 Bxd3 21.Bh3 
Re8 22.f4 c5 23.Rd1 c4 24.Bf1 Bxf1 25.Kxf1 g5 26.Kf2 gxf4 27.gxf4 f6 28.
Rd5 fxe5 29.fxe5 Rc8 30.Ke3 c3 31.bxc3 Rxc3+ 32.Kd4 Rxa3 33.Rd7 a5 34.Rb7 
a4 35.Rxb6 Rh3 36.Ra6 Kf7 37.Kd5 Rd3+ 38.Ke4 Rh3 1/2-1/2

[Event "candidates qf"]
[Site "Velden AUT"]
[Date "1980.03.22"]
[Round "1.7"]
[White "Kortschnoj, Viktor"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2695"]
[BlackElo "2615"]
[ECO "A11"]
[EventDate "1980.03.08"]
[PlyCount "75"]

1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Nc3 e6 5.b3 Nbd7 6.Bb2 e5 7.d4 e4 8.Nd2 Be7 9.
a3 O-O 10.b4 Re8 11.c5 Nf8 12.Be2 Qd7 13.Qc2 Qf5 14.f4 g5 15.g3 gxf4 16.
gxf4 Qh3 17.Rg1+ Ng6 18.Nf1 Qh4+ 19.Ng3 Ng4 20.Bxg4 Bxg4 21.Qf2 Qh3 22.
Nce2 Nh4 23.O-O-O Kh8 24.Nxe4 Qf3 25.Qxf3 Bxf3 26.N4g3 Bf6 27.Rd3 Re7 28.
Bc3 Rae8 29.Bd2 h6 30.Rf1 Kh7 31.Rb3 Bg4 32.Rf2 Nf3 33.h3 Nxd2 34.Kxd2 
Bxh3 35.Nh5 Bh8 36.f5 Rg8 37.Neg3 Bg4 38.Rb1 1/2-1/2

[Event "candidates qf"]
[Site "Velden AUT"]
[Date "1980.03.23"]
[Round "1.8"]
[White "Petrosian, Tigran"]
[Black "Kortschnoj, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2615"]
[BlackElo "2695"]
[ECO "E12"]
[EventDate "1980.03.08"]
[PlyCount "39"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 exd5 7.g3 Bd6 8.Bg2 O-O
9.O-O Re8 10.Bg5 Nbd7 11.Nb5 Ba6 12.Nxd6 cxd6 13.Re1 h6 14.Bxf6 Nxf6 15.
Nd2 Qd7 16.e3 Rac8 17.Nb1 Qf5 18.Nc3 Ne4 19.Nxe4 dxe4 20.Qd2 1/2-1/2

[Event "candidates qf"]
[Site "Velden AUT"]
[Date "1980.03.25"]
[Round "1.9"]
[White "Kortschnoj, Viktor"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[WhiteElo "2695"]
[BlackElo "2615"]
[ECO "D35"]
[EventDate "1980.03.08"]
[PlyCount "87"]

1.c4 e6 2.Nc3 d5 3.d4 Nf6 4.Nf3 Nbd7 5.cxd5 exd5 6.Bf4 c6 7.e3 Be7 8.h3 
O-O 9.Bd3 Re8 10.Qc2 Nf8 11.O-O-O Bb4 12.Kb1 Qe7 13.Bg5 Qe6 14.Bf4 Qe7 15.
Ne5 Ne4 16.Nxe4 dxe4 17.Bc4 Be6 18.Bxe6 Nxe6 19.Bh2 Nf8 20.Qb3 Ba5 21.Nc4 
Bb6 22.d5 cxd5 23.Rxd5 Bc5 24.Bd6 Bxd6 25.Nxd6 Red8 26.Rhd1 Qe6 27.Nxb7 
Rdb8 28.Rb5 Qf6 29.Rd2 Qg6 30.g3 h6 31.Nd6 Rd8 32.Rbd5 Rab8 33.Qc3 Kh7 34.
Qe5 Rd7 35.Nf5 Rdb7 36.h4 Ne6 37.Nd6 Rb4 38.h5 Qg4 39.a3 Ra4 40.Ka2 Nc7 
41.Qf5+ Qxf5 42.Rxf5 f6 43.b3 Ra6 44.Nxe4 1-0

