[Event "candidates qf"]
[Site "Moscow URS"]
[Date "1974.01.17"]
[Round "1.1"]
[White "Polugaevsky, Lev"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2660"]
[ECO "E56"]
[EventDate "1974.01.17"]
[PlyCount "64"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Nc6 9.a3 Ba5 10.Bd3 cxd4 11.exd4 Bb6 12.Be3 Nd5 13.Bg5 f6 14.Be3 Nce7 15.
Qc2 Nxe3 16.fxe3 g6 17.Bc4 Nf5 18.Rfe1 Kg7 19.Rad1 Bd7 20.Kh1 Rc8 21.Ba2 
Nd6 22.Qd3 Qe7 23.e4 Nf7 24.e5 fxe5 25.Nxe5 Nxe5 26.Rxe5 Rf5 27.Nd5 Qd6 
28.Nxb6 Qxb6 29.Qe2 Qd6 30.h3 Rcf8 31.Kg1 Ba4 32.Rd2 Bd7 1/2-1/2

[Event "candidates qf"]
[Site "Moscow URS"]
[Date "1974.01.19"]
[Round "1.2"]
[White "Karpov, Anatoly"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2660"]
[BlackElo "2625"]
[ECO "B92"]
[EventDate "1974.01.17"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
Be6 9.f4 Qc7 10.a4 Nbd7 11.Kh1 O-O 12.Be3 exf4 13.Rxf4 Rfe8 14.Nd4 Ne5 15.
Nf5 Ng6 16.Rf1 Bf8 17.Qd4 Ne5 18.Bg5 Nfd7 19.Rad1 Nc5 20.Nxd6 Bxd6 21.Qxd6
Qxd6 22.Rxd6 Bd7 23.b3 Bc6 24.Bf3 f5 25.Be3 Nxe4 26.Bxe4 fxe4 27.h3 Rad8 
28.Rxd8 Rxd8 29.Kg1 Ng6 30.Ne2 Rf8 31.Rd1 Nh4 32.Bc5 Rc8 33.Be7 Nf5 34.
Rd8+ Rxd8 35.Bxd8 h5 36.c4 e3 37.Bg5 Be4 38.a5 Kf7 39.Nc3 Bc2 40.b4 Nd6 
1/2-1/2

[Event "candidates qf"]
[Site "Moscow URS"]
[Date "1974.01.21"]
[Round "1.3"]
[White "Polugaevsky, Lev"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2660"]
[ECO "E56"]
[EventDate "1974.01.17"]
[PlyCount "42"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Nc6 9.a3 Ba5 10.Ba2 a6 11.Na4 cxd4 12.exd4 h6 13.Bf4 Bc7 14.Bxc7 Qxc7 15.
Qe2 Rd8 16.Rfd1 Bd7 17.Rac1 Be8 18.Nc3 Rd6 19.d5 exd5 20.Nxd5 Nxd5 21.Rxd5
Rad8 1/2-1/2

[Event "candidates qf"]
[Site "Moscow URS"]
[Date "1974.01.23"]
[Round "1.4"]
[White "Karpov, Anatoly"]
[Black "Polugaevsky, Lev"]
[Result "1-0"]
[WhiteElo "2660"]
[BlackElo "2625"]
[ECO "B92"]
[EventDate "1974.01.17"]
[PlyCount "97"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
Be6 9.f4 Qc7 10.a4 Nbd7 11.Kh1 O-O 12.Be3 exf4 13.Rxf4 Ne5 14.Nd4 Rad8 15.
Qg1 Rd7 16.Rd1 Re8 17.Nf5 Bd8 18.Nd4 Ng6 19.Rff1 Ne5 20.Bf4 Qc5 21.Nxe6 
Qxg1+ 22.Rxg1 Rxe6 23.Bf3 Neg4 24.Rgf1 Bb6 25.Rd2 Be3 26.Bxe3 Nxe3 27.Rb1 
Kf8 28.Kg1 Rc7 29.Kf2 Nc4 30.Rd3 g5 31.h3 h5 32.Nd5 Nxd5 33.Rxd5 Ne5 34.c3
h4 35.Rbd1 Ke7 36.R1d4 f6 37.a5 Rc6 38.Be2 Kd8 39.c4 Kc7 40.b4 Ng6 41.b5 
axb5 42.cxb5 Rc2 43.b6+ Kd7 44.Rd2 Rxd2 45.Rxd2 Re5 46.a6 Kc6 47.Rb2 Nf4 
48.a7 Ra5 49.Bc4 1-0

[Event "candidates qf"]
[Site "Moscow URS"]
[Date "1974.01.25"]
[Round "1.5"]
[White "Polugaevsky, Lev"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2660"]
[ECO "E56"]
[EventDate "1974.01.17"]
[PlyCount "87"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Nc6 9.a3 Ba5 10.Ba2 a6 11.Bb1 Bb6 12.Qc2 g6 13.dxc5 Bxc5 14.b4 Be7 15.Bb2 
e5 16.Rd1 Qe8 17.b5 axb5 18.Nxb5 Bf5 19.Qe2 Bxb1 20.Nc7 Qb8 21.Nxa8 Bf5 
22.Nb6 e4 23.Nd4 Nxd4 24.Bxd4 Bg4 25.f3 exf3 26.gxf3 Be6 27.Rac1 Rd8 28.
Qb2 Ne8 29.Be5 Bd6 30.Bxd6 Rxd6 31.Qb4 Qd8 32.Rxd6 Nxd6 33.Rd1 Qg5+ 34.Kf2
Nf5 35.Qf4 Qf6 36.Na4 Bb3 37.Rd2 g5 38.Qb8+ Kg7 39.Nb2 Bd5 40.Nd3 Nd6 41.
Nf4 gxf4 42.Rxd5 Qb2+ 43.Kf1 fxe3 44.Rg5+ 1/2-1/2

[Event "candidates qf"]
[Site "Moscow URS"]
[Date "1974.01.30"]
[Round "1.6"]
[White "Karpov, Anatoly"]
[Black "Polugaevsky, Lev"]
[Result "1-0"]
[WhiteElo "2660"]
[BlackElo "2625"]
[ECO "B92"]
[EventDate "1974.01.17"]
[PlyCount "79"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
Be6 9.f4 Qc7 10.a4 Nbd7 11.Kh1 O-O 12.Be3 exf4 13.Rxf4 Ne5 14.a5 Nfd7 15.
Rf1 Bf6 16.Nd5 Bxd5 17.Qxd5 Qxc2 18.Nd4 Qxb2 19.Rab1 Qc3 20.Nf5 Qc2 21.
Rbe1 Nc5 22.Nxd6 Ncd3 23.Bxd3 Nxd3 24.Rd1 Nb4 25.Qxb7 Rab8 26.Qa7 Qc6 27.
Bf4 Ra8 28.Qf2 Rad8 29.Qg3 Qc3 30.Rf3 Qc2 31.Rdf1 Bd4 32.Bh6 Nc6 33.Nf5 
Qb2 34.Bc1 Qb5 35.Nh6+ Kh8 36.Nxf7+ Rxf7 37.Rxf7 Bf6 38.Qf2 Kg8 39.Rxf6 
gxf6 40.Qxf6 1-0

[Event "candidates qf"]
[Site "Moscow URS"]
[Date "1974.02.01"]
[Round "1.7"]
[White "Polugaevsky, Lev"]
[Black "Karpov, Anatoly"]
[Result "1/2-1/2"]
[WhiteElo "2625"]
[BlackElo "2660"]
[ECO "E56"]
[EventDate "1974.01.17"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 d5 7.O-O dxc4 8.Bxc4 
Nc6 9.a3 Ba5 10.Ba2 Bb6 11.dxc5 Bxc5 12.b4 Bd6 13.Bb2 Qe7 14.Qc2 Bd7 15.
Rfd1 Ne5 16.Ng5 Rac8 17.f4 Ng6 18.Qe2 Bb8 19.Qf3 h6 20.Nh3 Bc6 21.Qg3 Ne4 
22.Nxe4 Bxe4 23.Nf2 Bc2 24.Rd2 Rfd8 25.Bd4 b6 26.Rc1 Ba4 27.Rxc8 Rxc8 28.
Nd3 Bc2 29.Qg4 Bxd3 30.Rxd3 Rc1+ 31.Rd1 Qh4 32.Qf3 Rxd1+ 33.Qxd1 e5 34.g3 
Qd8 35.fxe5 Nxe5 36.Qh5 Qf6 37.Bxe5 Bxe5 38.Bxf7+ Qxf7 39.Qxe5 Qb3 40.b5 
Qxa3 41.Kg2 1/2-1/2

[Event "candidates qf"]
[Site "Moscow URS"]
[Date "1974.02.03"]
[Round "1.8"]
[White "Karpov, Anatoly"]
[Black "Polugaevsky, Lev"]
[Result "1-0"]
[WhiteElo "2660"]
[BlackElo "2625"]
[ECO "B92"]
[EventDate "1974.01.17"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
Be6 9.f4 Qc7 10.a4 Nbd7 11.Kh1 O-O 12.Be3 exf4 13.Rxf4 Ne5 14.a5 Rfe8 15.
Bb6 Qd7 16.Ra4 Rac8 17.Rd4 Qc6 18.Rd2 Bxb3 19.cxb3 Nfd7 20.Bg1 Bg5 21.Rxd6
Bxf4 22.Rxc6 Rxc6 23.b4 Nf6 24.b5 Rce6 25.bxa6 bxa6 26.g3 Bg5 27.h4 Bh6 
28.Bb6 Ned7 29.Bc4 Re5 30.Qb3 Rb8 31.Bxf7+ Kh8 32.Qc4 Bd2 33.Bc7 Rc5 34.
Qxc5 Nxc5 35.Bxb8 Bxc3 36.bxc3 Nfxe4 37.c4 Nd7 38.Bc7 g6 39.Be6 Nec5 40.
Bxd7 Nxd7 41.Bd6 1-0

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.01.18"]
[Round "1.1"]
[White "Petrosian, Tigran"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2650"]
[ECO "E18"]
[EventDate "1974.01.18"]
[PlyCount "36"]

1.c4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 e6 5.d4 Be7 6.Nc3 Ne4 7.Bd2 c5 8.O-O O-O 
9.Rc1 Bf6 10.Nxe4 Bxe4 11.Bc3 Nc6 12.e3 cxd4 13.Nxd4 Bxg2 14.Kxg2 Bxd4 15.
Bxd4 d5 16.b3 e5 17.Bb2 d4 18.Qf3 Qd6 1/2-1/2

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.01.20"]
[Round "1.2"]
[White "Portisch, Lajos"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2650"]
[BlackElo "2640"]
[ECO "B39"]
[EventDate "1974.01.18"]
[PlyCount "80"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 g6 4.e4 Nc6 5.d4 cxd4 6.Nxd4 Bg7 7.Be3 Ng4 8.Qxg4 
Nxd4 9.Qd1 Ne6 10.Rc1 d6 11.Bd3 O-O 12.O-O Nc5 13.Bb1 a5 14.Qd2 Bd7 15.Bd4
Bxd4 16.Qxd4 Bc6 17.Qd2 f6 18.Rfd1 Rf7 19.Bc2 Qb6 20.Rb1 Rd8 21.Nd5 Qa7 
22.b3 e5 23.Qe3 Qb8 24.Rd2 Bxd5 25.Rxd5 b6 26.Rbd1 Ne6 27.g3 Kg7 28.R1d2 
Qc7 29.Bd1 Qc6 30.h4 Nc7 31.R5d3 Na6 32.Bg4 Nb4 33.Rc3 Qc5 34.Qe1 Re7 35.
Qc1 Qc6 36.Bf3 Qc7 37.Bg2 Nc6 38.Rd5 Nb4 39.Rd2 Nc6 40.Rd5 Nb4 1/2-1/2

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.01.22"]
[Round "1.3"]
[White "Petrosian, Tigran"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2650"]
[ECO "E11"]
[EventDate "1974.01.18"]
[PlyCount "43"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.Bd2 O-O 5.Nf3 c5 6.dxc5 Bxc5 7.e3 d5 8.Rc1 
Qe7 9.cxd5 exd5 10.Be2 Nc6 11.O-O Bg4 12.Na4 Bd6 13.Bc3 Rad8 14.Bd4 Ne4 
15.a3 Bb8 16.g3 Rfe8 17.Re1 Qe6 18.Nc5 Qf5 19.Rf1 Nxc5 20.Bxc5 Qf6 21.Nd4 
Bxe2 22.Nxe2 1/2-1/2

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.01.25"]
[Round "1.4"]
[White "Portisch, Lajos"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2650"]
[BlackElo "2640"]
[ECO "D13"]
[EventDate "1974.01.18"]
[PlyCount "64"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.cxd5 cxd5 5.Nf3 Nc6 6.Bf4 e6 7.e3 Be7 8.h3 Bd6
9.Bd3 Bxf4 10.exf4 O-O 11.O-O Bd7 12.Rc1 g6 13.Qd2 Rc8 14.Rfd1 Qe7 15.g3 
Rfd8 16.a3 Be8 17.Re1 Qf8 18.Rc2 Qg7 19.Rec1 Rb8 20.Ne2 Ne4 21.Qe1 Nd6 22.
Ne5 f6 23.Nf3 Rdc8 24.Nc3 Nd8 25.Qe2 Bd7 26.Nb5 Rxc2 27.Rxc2 Bxb5 28.Bxb5 
Rc8 29.Rxc8 Nxc8 30.Qc2 Nd6 31.Ba4 b6 32.Qc3 Qb7 1/2-1/2

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.01.27"]
[Round "1.5"]
[White "Petrosian, Tigran"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[WhiteElo "2640"]
[BlackElo "2650"]
[ECO "A30"]
[EventDate "1974.01.18"]
[PlyCount "69"]

1.c4 Nf6 2.Nf3 b6 3.g3 c5 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.d4 cxd4 8.Qxd4 
O-O 9.Rd1 Nc6 10.Qf4 Qb8 11.e4 Qxf4 12.Bxf4 Rfd8 13.e5 Ne8 14.Nd4 Na5 15.
b3 Bxg2 16.Kxg2 g5 17.Be3 Kg7 18.f4 gxf4 19.gxf4 Nc6 20.Nce2 Nxd4 21.Nxd4 
Bc5 22.Kf3 d6 23.Rd2 dxe5 24.fxe5 Bxd4 25.Bxd4 f6 26.exf6+ Nxf6 27.Rf1 Kh6
28.Re1 Ng8 29.Rxe6+ Kh5 30.Re5+ Kg6 31.Rg2+ Kf7 32.Re4 Nf6 33.Rf4 Rd6 34.
Rg5 Rad8 35.Rd5 1-0

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.01.29"]
[Round "1.6"]
[White "Portisch, Lajos"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2650"]
[BlackElo "2640"]
[ECO "C10"]
[EventDate "1974.01.18"]
[PlyCount "70"]

1.d4 e6 2.e4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bg5 Be7 8.
Bd3 c5 9.O-O cxd4 10.Nxd4 O-O 11.c3 Nd5 12.Qh5 g6 13.Bxe7 Qxe7 14.Qf3 Nf6 
15.Rfe1 Rb8 16.Re5 Bd7 17.Rae1 b6 18.Qf4 Rbc8 19.Qg5 Kh8 20.h4 Ng8 21.Qg3 
Nf6 22.Qf3 Rc5 23.Rxc5 bxc5 24.Nb3 Kg7 25.Bf1 Ba4 26.Na5 Qc7 27.Nc4 Rb8 
28.g3 Bb5 29.b3 Bxc4 30.Bxc4 Rd8 31.Qe2 h5 32.Qe5 Qxe5 33.Rxe5 Rd1+ 34.Kg2
Nd7 35.Re2 Nb6 1/2-1/2

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.02.01"]
[Round "1.7"]
[White "Petrosian, Tigran"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2650"]
[ECO "D59"]
[EventDate "1974.01.18"]
[PlyCount "26"]

1.Nf3 d5 2.d4 Nf6 3.c4 e6 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bh4 b6 8.cxd5 Nxd5
9.Bxe7 Qxe7 10.Nxd5 exd5 11.Qd2 Be6 12.b4 c6 13.Rb1 Nd7 1/2-1/2

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.02.03"]
[Round "1.8"]
[White "Portisch, Lajos"]
[Black "Petrosian, Tigran"]
[Result "1/2-1/2"]
[WhiteElo "2650"]
[BlackElo "2640"]
[ECO "B39"]
[EventDate "1974.01.18"]
[PlyCount "56"]

1.c4 Nf6 2.Nc3 c5 3.Nf3 Nc6 4.d4 cxd4 5.Nxd4 g6 6.e4 Bg7 7.Be3 Ng4 8.Qxg4 
Nxd4 9.Qd1 Ne6 10.Rc1 d6 11.Bd3 O-O 12.O-O a5 13.Bb1 Bd7 14.f4 Bc6 15.Qe2 
b6 16.f5 Nc5 17.Qf2 Nd7 18.Qh4 Bf6 19.Qf2 Ne5 20.Qe2 Rb8 21.Nd5 Bxd5 22.
cxd5 Qd7 23.b3 b5 24.Bd3 Nxd3 25.Qxd3 Rfc8 26.h3 Be5 27.Kh1 a4 28.Bh6 axb3
1/2-1/2

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.02.05"]
[Round "1.9"]
[White "Petrosian, Tigran"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[WhiteElo "2640"]
[BlackElo "2650"]
[ECO "A38"]
[EventDate "1974.01.18"]
[PlyCount "53"]

1.Nf3 Nf6 2.c4 g6 3.b3 Bg7 4.Bb2 c5 5.g3 d6 6.Bg2 e5 7.O-O Nc6 8.Nc3 O-O 
9.d3 Nh5 10.Nd2 Bg4 11.a3 Bh6 12.b4 Nd4 13.h3 Be6 14.e3 cxb4 15.axb4 Nc6 
16.b5 Ne7 17.Bxb7 Bxh3 18.Bxa8 Bxf1 19.Kxf1 Qxa8 20.Qf3 Qb8 21.g4 Ng7 22.
Qf6 Ngf5 23.gxf5 Nxf5 24.e4 Ng7 25.Ke1 Nh5 26.Qh4 f5 27.Nd5 1-0

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.02.08"]
[Round "1.10"]
[White "Portisch, Lajos"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[WhiteElo "2650"]
[BlackElo "2640"]
[ECO "D63"]
[EventDate "1974.01.18"]
[PlyCount "65"]

1.d4 d5 2.c4 e6 3.Nc3 Be7 4.Nf3 Nf6 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 a6 8.c5 c6 
9.Bd3 b6 10.cxb6 c5 11.O-O c4 12.Bc2 Nxb6 13.Ne5 Bb7 14.f4 Rb8 15.f5 Nbd7 
16.Bf4 Rc8 17.Qf3 exf5 18.Bxf5 Nxe5 19.dxe5 Ne4 20.Nxe4 dxe4 21.Qh3 g6 22.
Rcd1 Qb6 23.Rd7 Rce8 24.e6 gxf5 25.Rxe7 Rxe7 26.Qg3+ Kh8 27.Bh6 fxe6 28.
Bxf8 Rd7 29.Bh6 Qa5 30.Qb8+ Qd8 31.Qe5+ Kg8 32.Qxe6+ Rf7 33.Rxf5 1-0

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.02.12"]
[Round "1.11"]
[White "Petrosian, Tigran"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2640"]
[BlackElo "2650"]
[ECO "A17"]
[EventDate "1974.01.18"]
[PlyCount "42"]

1.Nf3 Nf6 2.c4 e6 3.g3 b6 4.Bg2 Bb7 5.Nc3 Be7 6.O-O O-O 7.Re1 Ne4 8.Nxe4 
Bxe4 9.d3 Bb7 10.d4 Be4 11.d5 exd5 12.cxd5 Bf6 13.Nd2 Bxg2 14.Kxg2 Re8 15.
Rb1 Na6 16.f3 c6 17.dxc6 dxc6 18.Ne4 Be7 19.Qa4 Nb4 20.a3 b5 21.Qb3 Qd5 
1/2-1/2

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.02.15"]
[Round "1.12"]
[White "Portisch, Lajos"]
[Black "Petrosian, Tigran"]
[Result "1-0"]
[WhiteElo "2650"]
[BlackElo "2640"]
[ECO "D13"]
[EventDate "1974.01.18"]
[PlyCount "131"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.cxd5 cxd5 5.Bf4 e6 6.e3 Be7 7.Bd3 Nc6 8.h3 O-O
9.Nf3 Bd7 10.O-O Qb6 11.a3 Na5 12.b4 Nc4 13.Ne5 Rac8 14.Bxc4 dxc4 15.Bg5 
Qd8 16.Qf3 Bc6 17.Nxc6 Rxc6 18.Rad1 Nd5 19.Bxe7 Nxe7 20.e4 a6 21.d5 exd5 
22.exd5 Rd6 23.Rd2 Qc7 24.Qg3 Qd7 25.Kh1 Nc8 26.Ne4 Rg6 27.Qf4 Nd6 28.Nxd6
c3 29.Rd3 Rxd6 30.Rxc3 Rxd5 31.Rc7 Qb5 32.Re1 g6 33.Kg1 a5 34.Ree7 Rf5 35.
Qd4 b6 36.Rb7 axb4 37.Rxb6 Qd5 38.Qxd5 Rxd5 39.axb4 h5 40.h4 Kg7 41.g3 Ra8
42.Rbb7 Rf5 43.Re2 Ra1+ 44.Kg2 Rb1 45.Re3 Rb2 46.Rf3 Rxf3 47.Kxf3 Kh6 48.
Ke3 f6 49.Rb6 Kg7 50.Rb7+ Kh6 51.Rb8 g5 52.b5 gxh4 53.gxh4 Kg6 54.b6 Kf5 
55.Kd4 Rxf2 56.Ra8 Rb2 57.Kc5 Rc2+ 58.Kd4 Rb2 59.Ra5+ Ke6 60.Kc5 Rc2+ 61.
Kb5 Kd6 62.Ka6 Kc6 63.Ra1 Rc4 64.b7 Rb4 65.Rc1+ Kd7 66.Rc8 1-0

[Event "candidates qf"]
[Site "Palma de Mallorca ESP"]
[Date "1974.02.17"]
[Round "1.13"]
[White "Petrosian, Tigran"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[WhiteElo "2640"]
[BlackElo "2650"]
[ECO "D53"]
[EventDate "1974.01.18"]
[PlyCount "79"]

1.Nf3 d5 2.d4 e6 3.c4 Nf6 4.Bg5 Be7 5.Nc3 O-O 6.Rc1 h6 7.Bh4 b6 8.cxd5 
Nxd5 9.Nxd5 exd5 10.Bxe7 Qxe7 11.g3 Ba6 12.e3 c5 13.Bxa6 Nxa6 14.O-O Nc7 
15.b3 Rac8 16.Re1 Rfd8 17.h4 Ne6 18.Qd3 Qf6 19.Kg2 cxd4 20.exd4 Rxc1 21.
Rxc1 Qf4 22.gxf4 Nxf4+ 23.Kg3 Nxd3 24.Rc3 Nb4 25.a3 Na6 26.b4 Nb8 27.Rc7 
a5 28.b5 Nd7 29.Kf4 h5 30.Ne5 Nf8 31.Rb7 f6 32.Nc6 Ng6+ 33.Kg3 Rd6 34.Rxb6
Re6 35.Rb8+ Nf8 36.Ra8 Re1 37.Nd8 Kh7 38.b6 Rb1 39.b7 Nd7 40.Rxa5 1-0

[Event "candidates qf"]
[Site "San Juan PUR"]
[Date "1974.01.14"]
[Round "1.1"]
[White "Byrne, Robert"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2655"]
[ECO "B81"]
[EventDate "1974.01.14"]
[PlyCount "87"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 a6 7.g5 Nfd7 8.a4 Nc6 
9.Be3 Nde5 10.Be2 Nxd4 11.Qxd4 Nc6 12.Qb6 Qxb6 13.Bxb6 h6 14.gxh6 Rxh6 15.
O-O-O Bd7 16.Bc7 Rc8 17.Bxd6 Bxd6 18.Rxd6 Ke7 19.Rd3 Rch8 20.h3 g5 21.Rhd1
Ne5 22.Rg3 f6 23.Bf1 Rh4 24.Kd2 Rc8 25.Ke3 Rxc3+ 26.bxc3 Bxa4 27.Rb1 Bc6 
28.f3 Rh8 29.Rg1 Kd6 30.Rb4 Ng6 31.Rg2 a5 32.Rd2+ Kc7 33.Rb1 a4 34.c4 Ne5 
35.Rf2 Kd6 36.f4 gxf4+ 37.Rxf4 Kc5 38.Rxf6 Nxc4+ 39.Bxc4 Rxh3+ 40.Kf4 Kxc4
41.Rxe6 Kc3 42.Rb6 Kxc2 43.Rexc6+ bxc6 44.Rxc6+ 1/2-1/2

[Event "candidates qf"]
[Site "San Juan PUR"]
[Date "1974.01.16"]
[Round "1.2"]
[White "Spassky, Boris"]
[Black "Byrne, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2655"]
[BlackElo "2605"]
[ECO "B92"]
[EventDate "1974.01.14"]
[PlyCount "144"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be6 8.O-O 
Nbd7 9.f4 Qc7 10.a4 Be7 11.a5 O-O 12.Kh1 Nc5 13.Nxc5 Qxc5 14.f5 Bc4 15.
Bxc4 Qxc4 16.Bg5 Rfd8 17.Re1 Rac8 18.Re2 Qb4 19.Qc1 h6 20.Bxf6 Bxf6 21.Ra4
Qc5 22.Qd1 b5 23.axb6 Qxb6 24.Qa1 Rc6 25.Nd5 Qb5 26.Rf2 Rdc8 27.Ra5 Qc4 
28.Qe1 Bh4 29.g3 Bd8 30.Ra1 a5 31.c3 Rb8 32.Qe2 Qxe2 33.Rxe2 Kf8 34.Kg2 
Rb3 35.Kf3 Rc8 36.h4 Rcb8 37.Ra2 Bb6 38.g4 f6 39.Rg2 Bc5 40.g5 hxg5 41.
hxg5 fxg5 42.Nc7 g6 43.fxg6 Kg7 44.Rxg5 Bb6 45.Nd5 Bc5 46.Rg2 R8b7 47.Ne3 
Bxe3 48.Kxe3 R3b5 49.Kd3 Rb8 50.Kc2 R8b6 51.Kd3 Rb7 52.Ra4 Rxb2 53.Rxb2 
Rxb2 54.Rxa5 Rb6 55.Kc4 Rc6+ 56.Kd5 Rxc3 57.Kxd6 Kxg6 58.Rxe5 Kf7 59.Rf5+ 
Ke8 60.Ra5 Rb3 61.Ra6 Kf7 62.Ra7+ Ke8 63.Re7+ Kf8 64.Rc7 Rb6+ 65.Kd7 Kf7 
66.e5 Re6 67.Rc5 Ra6 68.Rb5 Re6 69.Ra5 Rb6 70.Ra8 Rb7+ 71.Kd6 Rb6+ 72.Kc5 
Rb7 1/2-1/2

[Event "candidates qf"]
[Site "San Juan PUR"]
[Date "1974.01.18"]
[Round "1.3"]
[White "Byrne, Robert"]
[Black "Spassky, Boris"]
[Result "0-1"]
[WhiteElo "2605"]
[BlackElo "2655"]
[ECO "C95"]
[EventDate "1974.01.14"]
[PlyCount "112"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 Nb8 10.d4 Nbd7 11.Nbd2 Bb7 12.Bc2 Re8 13.Nf1 Bf8 14.Ng3 g6 15.b3 Bg7 
16.a4 d5 17.dxe5 Nxe4 18.Bxe4 dxe4 19.Bg5 exf3 20.Bxd8 Raxd8 21.axb5 Nxe5 
22.bxa6 Rxd1 23.Rexd1 Ba8 24.gxf3 Nxf3+ 25.Kf1 Bxc3 26.Rac1 Nd2+ 27.Kg1 
Ba5 28.b4 Nf3+ 29.Kf1 Nh2+ 30.Kg1 Nf3+ 31.Kf1 Bb6 32.Rc2 Nh2+ 33.Kg1 Nf3+ 
34.Kf1 Kf8 35.Ne2 Nh2+ 36.Kg1 Nf3+ 37.Kf1 Be4 38.Ra2 Nh2+ 39.Kg1 Nf3+ 40.
Kf1 Nh4 41.Nf4 Bf3 42.Rd3 g5 43.Ne2 Bg2+ 44.Ke1 Nf3+ 45.Kd1 Ne5 46.Rc3 Bd5
47.Rd2 Bc4 48.Ra3 Ra8 49.f4 gxf4 50.Nxf4 Rxa6 51.Rxa6 Bxa6 52.Nd5 Bc4 53.
Nxb6 cxb6 54.Rd6 b5 55.Kd2 Ng6 56.Ke3 h5 0-1

[Event "candidates qf"]
[Site "San Juan PUR"]
[Date "1974.01.21"]
[Round "1.4"]
[White "Spassky, Boris"]
[Black "Byrne, Robert"]
[Result "1-0"]
[WhiteElo "2655"]
[BlackElo "2605"]
[ECO "B93"]
[EventDate "1974.01.14"]
[PlyCount "57"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 e5 7.Nf3 Nbd7 8.a4 Qc7
9.Bd3 g6 10.O-O b6 11.Qe2 Bb7 12.Bc4 Bg7 13.Ng5 O-O 14.f5 gxf5 15.Rxf5 h6 
16.Nh3 b5 17.axb5 axb5 18.Rxa8 Rxa8 19.Bxb5 Nxe4 20.Nxe4 Bxe4 21.Qxe4 Ra1 
22.Rf1 Rxc1 23.Rxc1 Qc5+ 24.Nf2 Qxb5 25.Rd1 Nf6 26.Qa8+ Bf8 27.Qf3 Be7 28.
b3 Kf8 29.Ne4 1-0

[Event "candidates qf"]
[Site "San Juan PUR"]
[Date "1974.01.25"]
[Round "1.5"]
[White "Byrne, Robert"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[WhiteElo "2605"]
[BlackElo "2655"]
[ECO "B81"]
[EventDate "1974.01.14"]
[PlyCount "70"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.g4 a6 7.Bg2 Nfd7 8.O-O 
Nc6 9.Kh1 Be7 10.f4 O-O 11.g5 Nxd4 12.Qxd4 b5 13.Be3 Bb7 14.a4 Bc6 15.h4 
Re8 16.axb5 axb5 17.Rae1 Bf8 18.b3 Qb8 19.Bc1 b4 20.Ne2 Ra2 21.Qd1 e5 22.
fxe5 dxe5 23.Ng3 Nc5 24.Qf3 Qb7 25.Rf2 Ne6 26.Be3 Rea8 27.Kh2 Ra1 28.Rxa1 
Rxa1 29.Bf1 Ra8 30.Bc4 Re8 31.h5 g6 32.Qg4 Bb5 33.Bd5 Bc6 34.Bc4 Bb5 35.
Bd5 Bc6 1/2-1/2

[Event "candidates qf"]
[Site "San Juan PUR"]
[Date "1974.01.28"]
[Round "1.6"]
[White "Spassky, Boris"]
[Black "Byrne, Robert"]
[Result "1-0"]
[WhiteElo "2655"]
[BlackElo "2605"]
[ECO "B52"]
[EventDate "1974.01.14"]
[PlyCount "117"]

1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4 e5 6.Nc3 Nc6 7.d3 g6 8.a3 
Bg7 9.Rb1 Nge7 10.b4 b6 11.O-O O-O 12.Nd5 Nxd5 13.cxd5 Nd4 14.Nxd4 cxd4 
15.Bd2 Rac8 16.Qb3 Rc7 17.Rbc1 Rfc8 18.b5 Rxc1 19.Rxc1 Rxc1+ 20.Bxc1 Qc7 
21.Qc4 Qxc4 22.dxc4 f6 23.Kf1 Bf8 24.a4 Be7 25.Ke2 Kf7 26.Bd2 f5 27.exf5 
gxf5 28.Kd3 Bf6 29.f3 h5 30.a5 Ke8 31.a6 Kd7 32.g3 Kc7 33.h3 Kd7 34.Ba5 
Kc8 35.Be1 Kd7 36.Bf2 Ke8 37.Be1 Kf7 38.Bb4 Be7 39.f4 exf4 40.gxf4 Ke8 41.
Kxd4 Kd7 42.Kd3 Kc7 43.Ke3 Bf6 44.Kf3 h4 45.Ke3 Bg7 46.Kd3 Bf6 47.Bd2 Kd7 
48.Be3 Kc7 49.Bf2 Kc8 50.c5 dxc5 51.d6 Kd7 52.Bxc5 Bd8 53.Bb4 Ke6 54.Kc4 
Bf6 55.Bc5 Bd8 56.Bd4 Kxd6 57.Be5+ Ke6 58.Bb8 Kd7 59.Kd5 1-0

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.01.16"]
[Round "1.1"]
[White "Korchnoi, Viktor"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[WhiteElo "2650"]
[BlackElo "2575"]
[ECO "A22"]
[EventDate "1974.01.16"]
[PlyCount "160"]

1.c4 e5 2.Nc3 Nf6 3.g3 Bb4 4.Bg2 O-O 5.e4 Bxc3 6.dxc3 d6 7.Qe2 Nbd7 8.Nf3 
Nc5 9.Nh4 a6 10.b3 b5 11.Ba3 Nfd7 12.O-O Bb7 13.f3 Bc6 14.Nf5 bxc4 15.bxc4
Na4 16.Qd2 Ndc5 17.Ne3 Re8 18.Rad1 Rb8 19.Nd5 Bd7 20.Bb4 Be6 21.Rfe1 c6 
22.Ne3 Qb6 23.Qc2 Rbd8 24.Bf1 a5 25.Ba3 Qc7 26.Rd2 Rd7 27.h4 f6 28.Kh2 g6 
29.Red1 Red8 30.Rf2 Re8 31.Qd2 Nb6 32.Kh1 Nb7 33.Qc2 Red8 34.h5 Rg7 35.Rh2
gxh5 36.Qf2 Na4 37.Rc1 Qf7 38.Be2 Nac5 39.Rh4 Kh8 40.Rg1 Rdg8 41.Bc1 f5 
42.exf5 Bxf5 43.Nxf5 Qxf5 44.Qh2 Qc2 45.Rxh5 Qxc3 46.Bh6 Rf7 47.Rg5 Rxg5 
48.Bxg5 Ne6 49.Bh6 Qc2 50.Bd1 Qxh2+ 51.Kxh2 Nd4 52.Kg2 Nc5 53.Bd2 Nd3 54.
Bc3 Rb7 55.f4 Nb2 56.fxe5 dxe5 57.Bb3 a4 58.Bxb2 axb3 59.Ra1 bxa2 60.Rxa2 
Rb4 61.c5 Rc4 62.Bxd4 exd4 63.Ra8+ Kg7 64.Rd8 Rxc5 65.Rxd4 Rf5 66.g4 Rf6 
67.Rd7+ Rf7 68.Rd6 Rf6 69.Rd7+ Kg6 70.Kg3 h6 71.Ra7 Kg5 72.Rg7+ Rg6 73.Rf7
Rd6 74.Rf5+ Kg6 75.Kh4 Rf6 76.Rc5 Re6 77.Rf5 Re8 78.Rc5 Rc8 79.Kg3 Kf6 80.
Rh5 Rh8 1/2-1/2

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.01.17"]
[Round "1.2"]
[White "Mecking, Henrique"]
[Black "Korchnoi, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2650"]
[ECO "C83"]
[EventDate "1974.01.16"]
[PlyCount "70"]

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 O-O 11.Qe2 Nc5 12.Nd4 Nxb3 13.N2xb3 Qd7 14.Nxc6 Qxc6 
15.Be3 Bf5 16.Rfd1 Qg6 17.Nd4 Bd7 18.b4 Qe4 19.Bd2 Qxe2 20.Nxe2 Rfe8 21.
Bf4 c6 22.Nd4 a5 23.a3 axb4 24.axb4 Ra4 25.Nb3 Rea8 26.Be3 f6 27.Bd4 fxe5 
28.Bxe5 Bf5 29.Rac1 Bg5 30.f4 Bd8 31.Rd2 Be4 32.Nc5 Bb6 33.Bd4 Bxc5 34.
Bxc5 Ra2 35.Rcd1 h5 1/2-1/2

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.01.19"]
[Round "1.3"]
[White "Korchnoi, Viktor"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[WhiteElo "2650"]
[BlackElo "2575"]
[ECO "A09"]
[EventDate "1974.01.16"]
[PlyCount "108"]

1.Nf3 d5 2.c4 d4 3.g3 c5 4.e3 Nc6 5.exd4 Nxd4 6.Nxd4 Qxd4 7.Nc3 Bg4 8.Be2 
Bxe2 9.Qxe2 e6 10.d3 Qd7 11.Be3 Nf6 12.O-O-O Qc6 13.d4 cxd4 14.Bxd4 Be7 
15.g4 O-O 16.g5 Ne8 17.Rhg1 Nd6 18.Bf6 Nf5 19.Bxe7 Nxe7 20.h4 Rac8 21.Rg4 
Rfd8 22.h5 Nf5 23.g6 Rxd1+ 24.Qxd1 hxg6 25.hxg6 fxg6 26.b3 b5 27.Qe1 bxc4 
28.Rxc4 Qa6 29.Rxc8+ Qxc8 30.Qe5 g5 31.Kb2 Kf7 32.Ne4 Qd8 33.Qc5 a6 34.Ka3
Kg6 35.Kb4 Kh5 36.Qe5 Qb6+ 37.Kc3 Qc6+ 38.Kd3 Qd7+ 39.Ke2 Qc6 40.Nc5 Qb5+ 
41.Ke1 Qb4+ 42.Kf1 Qb5+ 43.Qe2+ Kg6 44.Qxb5 axb5 45.Nxe6 Kf6 46.Nc7 Nd4 
47.a4 bxa4 48.bxa4 Ke5 49.Kg2 Kd6 50.Ne8+ Kc5 51.Nxg7 Kb4 52.Kg3 Kxa4 53.
Kg4 Kb5 54.Kxg5 Kc6 1/2-1/2

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.01.20"]
[Round "1.4"]
[White "Mecking, Henrique"]
[Black "Korchnoi, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2650"]
[ECO "C81"]
[EventDate "1974.01.16"]
[PlyCount "80"]

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 Nc5 11.c4 d4 12.cxb5 Nxb3 13.axb3 axb5 14.Rxa8 Qxa8 
15.Bg5 Bxb3 16.Rc1 Bxg5 17.Nxg5 h6 18.Nf3 O-O 19.Qxb5 Ba4 20.Qc5 Rb8 21.
Nxd4 Nxd4 22.Qxd4 Bc6 23.e6 fxe6 24.Qe5 Kh7 25.f3 Rb5 26.Qxe6 Rxb2 27.Qxc6
Qxc6 28.Rxc6 Rxb1+ 29.Kf2 Rb7 30.Kg3 Kg8 31.f4 Kf8 32.Kg4 Rb2 33.Kh3 Rb7 
34.g4 Kf7 35.f5 Ra7 36.Kh4 Ra3 37.Rxc7+ Kf6 38.Rc6+ Kf7 39.h3 Rb3 40.Rc2 
g5+ 1/2-1/2

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.01.23"]
[Round "1.5"]
[White "Korchnoi, Viktor"]
[Black "Mecking, Henrique"]
[Result "1-0"]
[WhiteElo "2650"]
[BlackElo "2575"]
[ECO "A06"]
[EventDate "1974.01.16"]
[PlyCount "86"]

1.Nf3 d5 2.b3 Bg4 3.e3 Nf6 4.Bb2 e6 5.h3 Bh5 6.d3 c5 7.g4 Bg6 8.Ne5 Nbd7 
9.Nxg6 hxg6 10.Bg2 Qb6 11.Qe2 Bd6 12.Nd2 Be5 13.c3 Qa5 14.d4 cxd4 15.cxd4 
Bd6 16.a3 Rc8 17.b4 Qa4 18.O-O O-O 19.Rfc1 Nb6 20.Qd3 Qd7 21.Rab1 Rxc1+ 
22.Rxc1 Rc8 23.Rc2 Rxc2 24.Qxc2 Qa4 25.Qxa4 Nxa4 26.Bc1 Kf8 27.Kf1 Nc3 28.
Nb3 b6 29.Ke1 Nfe4 30.Nd2 f5 31.Nf3 a5 32.bxa5 bxa5 33.Ne5 g5 34.f3 Nf6 
35.gxf5 exf5 36.Bf1 Nb1 37.Bd3 Bxa3 38.Bxa3+ Nxa3 39.Bxf5 a4 40.Kd2 Nc4+ 
41.Nxc4 dxc4 42.Be6 Ke7 43.Bxc4 Nh5 1-0

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.01.26"]
[Round "1.6"]
[White "Mecking, Henrique"]
[Black "Korchnoi, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2650"]
[ECO "E15"]
[EventDate "1974.01.16"]
[PlyCount "34"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb4+ 5.Bd2 Bxd2+ 6.Qxd2 Ba6 7.Na3 c5 8.Bg2 
Nc6 9.O-O O-O 10.Rfd1 Rc8 11.Ne5 cxd4 12.Nxc6 dxc6 13.Qxd4 Qxd4 14.Rxd4 c5
15.Rd2 Rfd8 16.Rad1 Rxd2 17.Rxd2 Kf8 1/2-1/2

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.01.27"]
[Round "1.7"]
[White "Korchnoi, Viktor"]
[Black "Mecking, Henrique"]
[Result "1-0"]
[WhiteElo "2650"]
[BlackElo "2575"]
[ECO "E01"]
[EventDate "1974.01.16"]
[PlyCount "125"]

1.Nf3 d5 2.g3 c5 3.Bg2 Nc6 4.d4 e6 5.O-O cxd4 6.Nxd4 Bc5 7.Nb3 Bb6 8.c4 
Nf6 9.cxd5 Nxd5 10.Na3 O-O 11.Nc4 Bc7 12.Ne3 Qe7 13.Nxd5 exd5 14.Be3 Rd8 
15.Qd2 Bg4 16.Rfe1 a5 17.Bg5 f6 18.Bf4 Bb6 19.Qd1 a4 20.Nc1 Kh8 21.Nd3 Ne5
22.a3 Nc6 23.Kf1 Qe6 24.Rc1 Qf5 25.f3 Bh3 26.b4 axb3 27.Qxb3 Ba5 28.Red1 
Bxg2+ 29.Kxg2 Qe6 30.e4 Nd4 31.Qxb7 dxe4 32.Qxe4 Qxe4 33.fxe4 Ne2 34.Rc4 
Nc3 35.Rd2 Nxe4 36.Rdc2 Nxg3 37.Nc5 Nh5 38.Be3 Re8 39.Kf3 Bb6 40.a4 g6 41.
Bf2 Re7 42.Rb2 Bd8 43.Rb7 Kg8 44.Nd7 f5 45.Rb8 Rxb8 46.Nxb8 Bc7 47.Nc6 Re8
48.a5 Bxh2 49.a6 Kf7 50.a7 Ra8 51.Rd4 g5 52.Rd8 Rxa7 53.Bxa7 g4+ 54.Kg2 
Bf4 55.Rd7+ Kg6 56.Bd4 h6 57.Rd5 Bg5 58.Ne5+ Kh7 59.Rd7+ Kg8 60.Nf7 Nf4+ 
61.Kh2 Ne2 62.Nxg5 hxg5 63.Be5 1-0

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.01.30"]
[Round "1.8"]
[White "Mecking, Henrique"]
[Black "Korchnoi, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2650"]
[ECO "A29"]
[EventDate "1974.01.16"]
[PlyCount "110"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bb4 5.Bg2 O-O 6.O-O Bxc3 7.bxc3 d6 8.d3 
e4 9.Nd4 exd3 10.Nxc6 dxe2 11.Qxe2 bxc6 12.Bxc6 Rb8 13.Be3 Bb7 14.Bxb7 
Rxb7 15.c5 dxc5 16.Bxc5 Re8 17.Rad1 Qa8 18.Qc4 Rb2 19.Rfe1 Rxe1+ 20.Rxe1 
Qc6 21.Qd4 h6 22.a3 a5 23.Qd8+ Kh7 24.Bd4 Ne4 25.Be3 Rc2 26.Qd4 Nxc3 27.
Bd2 Qf3 28.Bxc3 Rxc3 29.a4 Rc2 30.Rf1 c6 31.Qb6 Qd5 32.Qb1 Qa2 33.Qxa2 
Rxa2 34.Rc1 Rxa4 35.Rxc6 Rb4 36.Ra6 a4 37.h4 g6 38.Kg2 Kg7 39.f3 h5 40.Kh3
Rc4 41.Ra5 Kf6 42.g4 hxg4+ 43.fxg4 Rc3+ 44.Kg2 a3 45.h5 Kg7 46.Ra6 Kh6 47.
hxg6 fxg6 48.Ra5 Kg7 49.Ra6 Kf7 50.Kf2 g5 51.Ra5 Rc2+ 52.Kf3 a2 53.Ra6 Kg7
54.Ke4 Rf2 55.Ke3 Rb2 1/2-1/2

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.02.02"]
[Round "1.9"]
[White "Korchnoi, Viktor"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[WhiteElo "2650"]
[BlackElo "2575"]
[ECO "A29"]
[EventDate "1974.01.16"]
[PlyCount "198"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bb4 5.Bg2 O-O 6.O-O e4 7.Ne1 Bxc3 8.dxc3 
d6 9.Nc2 Re8 10.Ne3 h6 11.Qc2 a5 12.Rd1 b6 13.b3 Rb8 14.a4 Ne5 15.Nd5 Nxd5
16.cxd5 f5 17.c4 Bd7 18.Bb2 Qg5 19.Qc3 Ng4 20.Re1 Re7 21.f4 Qg6 22.e3 h5 
23.Qd2 Kf7 24.b4 axb4 25.Qxb4 h4 26.gxh4 Rh8 27.h3 Nf6 28.a5 bxa5 29.Qxa5 
Be8 30.Rab1 Rxh4 31.Bxf6 Kxf6 32.Kh2 Qh7 33.Rb7 g5 34.fxg5+ Kxg5 35.c5 Qg7
36.Rg1 Kh6 37.Qa1 Bg6 38.cxd6 cxd6 39.Rxe7 Qxe7 40.Qh8+ Bh7 41.Bf1 f4 42.
Rg8 Qe5 43.Qxe5 dxe5 44.d6 Bf5 45.Rd8 fxe3 46.d7 Bxd7 47.Rxd7 Rf4 48.Kg1 
Rf3 49.Ra7 e2 50.Bxe2 Rxh3 51.Ra4 Kg5 52.Rxe4 Kf5 53.Ra4 e4 54.Bf1 Rb3 55.
Bg2 Kf4 56.Bxe4 Kg3 57.Kf1 Rb2 58.Ke1 Rh2 59.Bd3 Kf3 60.Ra3 Kf4 61.Be2 Rh8
62.Kd2 Rc8 63.Bd3 Kf3 64.Ra5 Re8 65.Rf5+ Kg4 66.Rf1 Kg5 67.Kc3 Rd8 68.Be4 
Rd7 69.Kc4 Rd6 70.Bd5 Rf6 71.Rg1+ Kf5 72.Kd4 Kf4 73.Ra1 Kf5 74.Be4+ Ke6 
75.Ra5 Kd6 76.Bf5 Kc7 77.Ke5 Rd6 78.Be4 Kb6 79.Ra2 Rd1 80.Rc2 Re1 81.Rc3 
Re2 82.Kd5 Rb2 83.Bd3 Kb7 84.Kc5 Kc7 85.Bc4 Kd7 86.Rf3 Rc2 87.Rf7+ Ke8 88.
Rc7 Rd2 89.Kc6 Rd1 90.Ra7 Rc1 91.Kd5 Kf8 92.Rc7 Re1 93.Kd6 Re7 94.Rc5 Re4 
95.Bd5 Re2 96.Rc7 Rf2 97.Be6 Rd2+ 98.Ke5 Ke8 99.Rc5 Rf2 1/2-1/2

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.02.06"]
[Round "1.10"]
[White "Mecking, Henrique"]
[Black "Korchnoi, Viktor"]
[Result "1/2-1/2"]
[WhiteElo "2575"]
[BlackElo "2650"]
[ECO "A16"]
[EventDate "1974.01.16"]
[PlyCount "52"]

1.Nf3 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.g3 Bg7 6.Bg2 e5 7.Nxd5 Qxd5 8.d3 
O-O 9.O-O Nc6 10.Be3 Qd6 11.Qa4 Nd4 12.Nxd4 exd4 13.Bf4 Qe7 14.Rfe1 c6 15.
b4 a6 16.Qa5 Be6 17.Qc5 Qd7 18.a4 Rfc8 19.Be5 Bxe5 20.Qxe5 Re8 21.Qc5 Bg4 
22.Bf3 h5 23.h4 Rad8 24.Kg2 Bh3+ 25.Kh2 Bg4 26.Kg2 Bh3+ 1/2-1/2

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.02.07"]
[Round "1.11"]
[White "Korchnoi, Viktor"]
[Black "Mecking, Henrique"]
[Result "1/2-1/2"]
[WhiteElo "2650"]
[BlackElo "2575"]
[ECO "E14"]
[EventDate "1974.01.16"]
[PlyCount "82"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 Be7 6.Nc3 d5 7.O-O O-O 8.Qe2 c5 
9.dxc5 bxc5 10.Rd1 Qb6 11.cxd5 exd5 12.b3 Nbd7 13.Bb2 Rfe8 14.Rac1 Bc6 15.
Bb5 Rac8 16.Bxc6 Qxc6 17.Qd2 Nb6 18.Ne2 Ne4 19.Qa5 Qb7 20.Ba1 Bd6 21.Nc3 
Nxc3 22.Qxc3 Bf8 23.Qc2 f6 24.Qf5 Red8 25.Bc3 Qd7 26.Qxd7 Rxd7 27.Kf1 Kf7 
28.Ba5 Ke6 29.Rc2 Rb7 30.h4 h5 31.Ne1 c4 32.Rcd2 cxb3 33.axb3 Nd7 34.Nf3 
Ne5 35.Nd4+ Kf7 36.Ra2 Rc5 37.Be1 g6 38.Rda1 Rcc7 39.Ra5 Bc5 40.Nb5 Rd7 
41.Nc3 Nd3 1/2-1/2

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.02.09"]
[Round "1.12"]
[White "Mecking, Henrique"]
[Black "Korchnoi, Viktor"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2650"]
[ECO "C68"]
[EventDate "1974.01.16"]
[PlyCount "82"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6 6.d3 f6 7.Be3 Bg4 8.Nbd2 
O-O-O 9.Rb1 Ne7 10.b4 g5 11.a4 Ng6 12.b5 cxb5 13.axb5 axb5 14.Rxb5 Qc6 15.
Rb2 Bc5 16.Nb3 Bb4 17.Nfd4 exd4 18.Qxg4+ Qd7 19.Qxd7+ Rxd7 20.Nxd4 Bc3 21.
Ra2 Rxd4 22.Ra3 Rb4 23.Rxc3 Re8 24.f3 Kd7 25.Ra1 Rb5 26.Kf2 Kd6 27.Raa3 h5
28.Ra4 c6 29.Rca3 g4 30.Ra5 Ree5 31.Rxb5 Rxb5 32.fxg4 hxg4 33.Kg3 Rb1 34.
Bd4 Rc1 35.Rc3 b5 36.Bxf6 b4 37.Rb3 Rf1 38.Bg5 c5 39.c3 bxc3 40.Rxc3 Rd1 
41.Be3 c4 1-0

[Event "candidates qf"]
[Site "Augusta USA"]
[Date "1974.02.13"]
[Round "1.13"]
[White "Korchnoi, Viktor"]
[Black "Mecking, Henrique"]
[Result "1-0"]
[WhiteElo "2650"]
[BlackElo "2575"]
[ECO "A77"]
[EventDate "1974.01.16"]
[PlyCount "83"]

1.d4 Nf6 2.Nf3 c5 3.d5 e6 4.c4 exd5 5.cxd5 d6 6.Nc3 g6 7.e4 Bg7 8.Be2 O-O 
9.O-O Re8 10.Nd2 Nbd7 11.Qc2 Ne5 12.b3 g5 13.Bb2 g4 14.Rfe1 Nh5 15.Nd1 Nf4
16.Bb5 Rf8 17.Ne3 Qg5 18.Nf5 Bxf5 19.exf5 Ned3 20.Bxd3 Bxb2 21.Rad1 Bd4 
22.Ne4 Qxf5 23.Ng3 Qg5 24.Bxh7+ Kh8 25.Qf5 Qh6 26.Qxg4 Nxg2 27.Kxg2 Qxh7 
28.Re7 Rg8 29.Qf4 Be5 30.Qf3 Rg7 31.Rxb7 Qc2 32.Re1 Kg8 33.Re4 Rf8 34.Rg4 
Qxa2 35.Nf5 Rxg4+ 36.Qxg4+ Kh7 37.Qh5+ Kg8 38.Nh6+ Kg7 39.Nxf7 Rg8 40.
Nxe5+ Kf6+ 41.Ng4+ Rxg4+ 42.Qxg4 1-0

