[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "1"]
[White "Adorjan, Andras"]
[Black "Bohm, Hans"]
[WhiteElo "2530"]
[BlackElo "2445"]
[Result "1-0"]
[ECO "B09"]
[EventDate "1977.06.28"]
[PlyCount "68"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Na6 7.O-O c5 8.d5 Nc7 
9.a4 a6 10.Qe1 Bd7 11.a5 Bb5 12.f5 gxf5 13.Qh4 e5 14.Bg5 f4 15.g3 c4 16.
Be2 Nce8 17.gxf4 Qc7 18.Kh1 Kh8 19.Rg1 Ng8 20.f5 b6 21.Nxb5 axb5 22.axb6 
Qb7 23.Be3 Ngf6 24.Rxa8 Qxa8 25.Rxg7 Nxg7 26.Qxf6 Qd8 27.Qxd8 Rxd8 28.b3 
Ne8 29.bxc4 Nf6 30.Bg5 Kg7 31.Nxe5 Re8 32.Bxf6+ Kxf6 33.Nd7+ Ke7 34.c5 
dxc5 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "1"]
[White "Donner, Jan"]
[Black "Ree, Hans"]
[WhiteElo "2470"]
[BlackElo "2460"]
[Result "1/2-1/2"]
[ECO "D79"]
[EventDate "1977.06.28"]
[PlyCount "34"]

1.d4 Nf6 2.c4 g6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5 6.Nc3 Bg7 7.Nf3 O-O 8.O-O 
Ne4 9.e3 Nxc3 10.bxc3 Nc6 11.Nd2 Be6 12.Ba3 Rc8 13.Re1 Re8 14.Bf1 Na5 15.
Bb4 Nc6 16.Ba3 Na5 17.Bb4 Nc6 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "1"]
[White "Hulak, Krunoslav"]
[Black "Torre, Eugenio"]
[WhiteElo "2525"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "E62"]
[EventDate "1977.06.28"]
[PlyCount "76"]

1.g3 d6 2.Bg2 Nf6 3.d4 g6 4.Nf3 Bg7 5.O-O O-O 6.c4 c6 7.Nc3 Bf5 8.Nd2 Na6 
9.b3 Qd7 10.Bb2 Bh3 11.Re1 Bxg2 12.Kxg2 Nc7 13.e4 e5 14.dxe5 dxe5 15.Na4 
Nh5 16.Nf3 Qe7 17.Qc1 Rfe8 18.Ba3 Qe6 19.Qe3 b6 20.Rad1 Rad8 21.c5 b5 22.
Nb2 Bf8 23.Nd3 f6 24.Rd2 a5 25.b4 a4 26.Red1 Rd7 27.Bc1 Red8 28.h3 Ng7 29.
a3 Qe8 30.Bb2 Nce6 31.Re1 Nh5 32.Kh2 Bg7 33.Rdd1 Qf8 34.Ba1 Bh6 35.Qe2 
Nhg7 36.Kg2 Nh5 37.Kg1 Bg7 38.Bc3 Kh8 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "1"]
[White "Kavalek, Lubomir"]
[Black "Reshevsky, Samuel Herman"]
[WhiteElo "2545"]
[BlackElo "2490"]
[Result "1/2-1/2"]
[ECO "C67"]
[EventDate "1977.06.28"]
[PlyCount "42"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 8.
Qxd8+ Kxd8 9.Nc3 Ke8 10.h3 Ne7 11.Nd4 Nf5 12.Nf3 Ne7 13.Bf4 Nd5 14.Nxd5 
cxd5 15.Rad1 c6 16.Nd4 h5 17.Be3 Bc5 18.c4 Bxd4 19.Rxd4 Be6 20.c5 b6 21.
Rc1 b5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "1"]
[White "Miles, Anthony John"]
[Black "Liberzon, Vladimir"]
[WhiteElo "2555"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "E92"]
[EventDate "1977.06.28"]
[PlyCount "84"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.Be3 Ng4 8.Bg5 f6 
9.Bc1 Nc6 10.h3 Nh6 11.O-O Nf7 12.Be3 b6 13.dxe5 dxe5 14.Qxd8 Nfxd8 15.c5 
Ne6 16.Bc4 Na5 17.Bd5 c6 18.Bxe6+ Bxe6 19.cxb6 axb6 20.Bxb6 Rfb8 21.Bxa5 
Rxa5 22.b3 Bf8 23.Rfd1 Kf7 24.Rac1 Rb7 25.Rd3 Bb4 26.Na4 c5 27.Nd2 Bxd2 
28.Rxd2 c4 29.Rd6 Rba7 30.Rc3 cxb3 31.axb3 Bxb3 32.Rxb3 Rxa4 33.Rf3 Rxe4 
34.Rdxf6+ Kg7 35.Re6 Rf4 36.Rxe5 Rxf3 37.gxf3 Kf6 38.Rb5 h5 39.Kg2 Ra4 40.
Kg3 g5 41.Rb8 h4+ 42.Kg2 Kf5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "1"]
[White "Panno, Oscar"]
[Black "Timman, Jan"]
[WhiteElo "2550"]
[BlackElo "2590"]
[Result "1-0"]
[ECO "A17"]
[EventDate "1977.06.28"]
[PlyCount "89"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O e6 5.c4 Be7 6.Nc3 O-O 7.Re1 d5 8.cxd5 
exd5 9.d4 c5 10.Bg5 Nbd7 11.Rc1 Re8 12.Rc2 Ne4 13.Bxe7 Qxe7 14.dxc5 Nxc3 
15.Rxc3 bxc5 16.Re3 Qf6 17.Rxe8+ Rxe8 18.Qa4 Bc6 19.Qa6 Nb6 20.b3 Qc3 21.
Qa3 Nd7 22.e3 a5 23.Rc1 Qb4 24.Qxb4 axb4 25.Bh3 Ra8 26.Bxd7 Bxd7 27.Rxc5 
h6 28.Nd4 Rxa2 29.Kg2 Ra7 30.Rxd5 Rc7 31.Rd6 Bc8 32.Rb6 Rb7 33.Rxb7 Bxb7+ 
34.f3 Kf8 35.e4 Ke7 36.Nc2 Kd6 37.Nxb4 Kc5 38.Nc2 Bc8 39.Kf2 Be6 40.b4+ 
Kc4 41.Ke3 Bd7 42.h4 h5 43.Kf4 Ba4 44.Ne3+ Kxb4 45.Nf5 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "1"]
[White "Tatai, Stefano"]
[Black "Quinteros, Miguel Angel"]
[WhiteElo "2480"]
[BlackElo "2555"]
[Result "0-1"]
[ECO "A43"]
[EventDate "1977.06.28"]
[PlyCount "78"]

1.d4 Nf6 2.Nc3 c5 3.d5 d6 4.e4 e6 5.Be2 exd5 6.exd5 Be7 7.Nf3 O-O 8.O-O 
Na6 9.Nb5 Bd7 10.a4 Nb4 11.c4 Bf5 12.Ne1 Qd7 13.h3 Rfe8 14.Ra3 a6 15.Nc3 
Bg6 16.g4 Ne4 17.Ng2 Bf6 18.Nf4 Bd4 19.Nxg6 hxg6 20.Nxe4 Rxe4 21.Bf3 Re7 
22.a5 Rae8 23.Qb3 b5 24.axb6 Qb7 25.Bd2 Qxb6 26.Bc3 Rb8 27.Qd1 a5 28.Qd2 
Rbe8 29.Rfa1 Ra8 30.Ra4 Raa7 31.Kg2 Be5 32.Re1 Bf6 33.Be4 Qd8 34.g5 Qe8 
35.gxf6 Rxe4 36.fxg7 Rxe1 37.Qh6 Qe4+ 38.f3 Qe2+ 39.Kg3 Rg1+ 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "1"]
[White "Van Wijgerden, Cornelis"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2430"]
[BlackElo "2530"]
[Result "1/2-1/2"]
[ECO "B89"]
[EventDate "1977.06.28"]
[PlyCount "42"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 e6 7.Be3 a6 8.Bb3 
Qc7 9.O-O Na5 10.f4 b5 11.f5 e5 12.Nde2 Nxb3 13.cxb3 Bb7 14.Rc1 Qa5 15.Ng3
h5 16.h4 Be7 17.Qe1 Ng4 18.f6 Bxf6 19.Nf5 Rd8 20.Bg5 Qb6+ 21.Kh1 Kf8 
1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "2"]
[White "Bohm, Hans"]
[Black "Miles, Anthony John"]
[WhiteElo "2445"]
[BlackElo "2555"]
[Result "1/2-1/2"]
[ECO "B30"]
[EventDate "1977.06.28"]
[PlyCount "70"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 Qb6 4.Nc3 e6 5.O-O Nge7 6.Re1 Nd4 7.Bc4 Nec6 8.d3 
Be7 9.Nxd4 cxd4 10.Ne2 O-O 11.c3 Bf6 12.cxd4 Nxd4 13.Be3 d5 14.Bb3 Nxe2+ 
15.Qxe2 d4 16.Bd2 Bd7 17.Rec1 Rfc8 18.Rxc8+ Rxc8 19.Rc1 Rc5 20.Qd1 a5 21.
Rxc5 Qxc5 22.Qc2 Qxc2 23.Bxc2 b6 24.Kf1 Be7 25.Bf4 Bc5 26.Ke2 Kf8 27.a3 
Ke7 28.Bg5+ f6 29.Bd2 Bc6 30.h4 Bd6 31.g3 Be8 32.Ke1 h6 33.Bd1 Bb5 34.Be2 
Ba4 35.Bh5 Bb5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "2"]
[White "Liberzon, Vladimir"]
[Black "Tatai, Stefano"]
[WhiteElo "2550"]
[BlackElo "2480"]
[Result "1-0"]
[ECO "C87"]
[EventDate "1977.06.28"]
[PlyCount "69"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Bd7 6.c3 Nf6 7.Re1 Be7 8.d4 O-O 
9.Nbd2 exd4 10.cxd4 Nb4 11.Bb3 c5 12.Nf1 Bb5 13.Ng3 d5 14.e5 Ne4 15.Nxe4 
dxe4 16.Rxe4 Bd3 17.Re3 c4 18.Bd2 Nd5 19.Rxd3 cxd3 20.Qf1 a5 21.Qxd3 Qd7 
22.Qe4 Rfd8 23.Ng5 Bxg5 24.Bxg5 f6 25.exf6 a4 26.Bc4 Qf7 27.fxg7 Rd7 28.
Re1 Rc8 29.Bd3 Qxg7 30.Qe6+ Kh8 31.h4 Nc7 32.Qe4 Rg8 33.Bf4 Rxd4 34.Qxd4 
Qxd4 35.Be5+ 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "2"]
[White "Ree, Hans"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2460"]
[BlackElo "2545"]
[Result "0-1"]
[ECO "A54"]
[EventDate "1977.06.28"]
[PlyCount "80"]

1.d4 Nf6 2.c4 d6 3.Nc3 Nbd7 4.Nf3 e5 5.Bg5 Be7 6.e3 O-O 7.Qc2 Ne8 8.Bxe7 
Qxe7 9.Bd3 Nef6 10.O-O Re8 11.dxe5 dxe5 12.Ng5 g6 13.Rfd1 c6 14.a3 a5 15.
Rab1 Nc5 16.b4 axb4 17.axb4 Nxd3 18.Rxd3 e4 19.Rd4 Bf5 20.c5 h6 21.Nh3 
Bxh3 22.gxh3 Qe5 23.Ne2 Qf5 24.Rd6 Nh7 25.Nf4 Ng5 26.Kg2 Nxh3 27.Nxh3 Qf3+
28.Kg1 Qxh3 29.Qb2 Qg4+ 30.Kf1 Qh5 31.Qf6 Qxh2 32.Rbd1 Ra2 33.R1d2 Ra1+ 
34.Rd1 Ra2 35.R1d2 Rxd2 36.Rxd2 Qh3+ 37.Ke1 Qc8 38.Rd6 h5 39.Qg5 Qg4 40.
Qf6 h4 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "2"]
[White "Reshevsky, Samuel Herman"]
[Black "Hulak, Krunoslav"]
[WhiteElo "2490"]
[BlackElo "2525"]
[Result "1/2-1/2"]
[ECO "E65"]
[EventDate "1977.06.28"]
[PlyCount "70"]

1.c4 Nf6 2.Nf3 c5 3.Nc3 Nc6 4.g3 g6 5.Bg2 Bg7 6.O-O O-O 7.d4 d6 8.dxc5 
dxc5 9.Be3 Qa5 10.Nd5 Nd7 11.Qc1 e6 12.Bd2 Qd8 13.Nc3 Nd4 14.Bh6 Nxf3+ 15.
Bxf3 Ne5 16.Bg2 Bxh6 17.Qxh6 Nxc4 18.Ne4 Qe7 19.Qc1 Ne5 20.Qc3 Nd7 21.Rac1
Rb8 22.Rfd1 e5 23.Nxc5 Nf6 24.Ne4 Nxe4 25.Bxe4 Bh3 26.Qc7 Qb4 27.Bd5 Rbc8 
28.Qxe5 Rxc1 29.Rxc1 Qd2 30.Ra1 Rc8 31.f4 Bg4 32.Bxb7 Rc2 33.Qe8+ Kg7 34.
Qe5+ Kg8 35.Qe8+ Kg7 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "2"]
[White "Sosonko, Gennadi"]
[Black "Quinteros, Miguel Angel"]
[WhiteElo "2530"]
[BlackElo "2555"]
[Result "0-1"]
[ECO "A56"]
[EventDate "1977.06.28"]
[PlyCount "72"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 Nbd7 6.Nf3 Be7 7.g3 O-O 8.Bg2 Ne8 
9.O-O g6 10.Ne1 f5 11.Nd3 Bf6 12.Qe2 Ng7 13.Bd2 Nb6 14.b3 f4 15.Bf3 g5 16.
Rfb1 Be7 17.Ne1 Nd7 18.b4 b5 19.a4 Nf6 20.Qd1 Bd7 21.Be2 h5 22.bxc5 dxc5 
23.a5 g4 24.Nd3 f3 25.Bf1 Nh7 26.a6 Bg5 27.Qc1 h4 28.Bxg5 Nxg5 29.Qe3 hxg3
30.fxg3 f2+ 31.Kg2 Rf3 32.Qd2 Qf6 33.Be2 Rf8 34.Rf1 Nh5 35.Bd1 Nh3 36.Ra2 
Rxd3 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "2"]
[White "Timman, Jan"]
[Black "Adorjan, Andras"]
[WhiteElo "2590"]
[BlackElo "2530"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1977.06.28"]
[PlyCount "111"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Nc6 7.d5 Nb4 8.Bg5 h6 
9.Be3 e6 10.a3 Na6 11.dxe6 Bxe6 12.b4 Kh7 13.Rb1 Nb8 14.Nd4 Bd7 15.f4 Nc6 
16.Bf3 Re8 17.h3 Nxe4 18.Bxe4 d5 19.b5 Na5 20.Nxd5 Rxe4 21.Qd3 f5 22.Rfd1 
Be8 23.Nc3 Re7 24.Bf2 Rd7 25.Na4 b6 26.Nb2 Bf7 27.c3 Qf8 28.Qc2 Bd5 29.Nd3
Nc4 30.Ra1 Nxa3 31.Qc1 Nc4 32.Nb4 Bg8 33.Nbc6 Nd6 34.Nf3 Bf6 35.Nfe5 Rg7 
36.c4 Be6 37.Bd4 g5 38.Rf1 Ne4 39.Qc2 Qd6 40.fxg5 Rxg5 41.Rad1 Rag8 42.g4 
Bxe5 43.Bxe5 Qc5+ 44.Kh1 h5 45.Rd4 hxg4 46.hxg4 R8g6 47.Rf4 Qf8 48.Rd8 
Qh6+ 49.Qh2 Qxh2+ 50.Kxh2 Nf6 51.Bxf6 Rxf6 52.Nd4 Rxg4 53.Rxg4 fxg4 54.
Nxe6 Rxe6 55.Rd7+ Kg6 56.Rxc7 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "2"]
[White "Torre, Eugenio"]
[Black "Panno, Oscar"]
[WhiteElo "2550"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "B66"]
[EventDate "1977.06.28"]
[PlyCount "57"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
h6 9.Be3 Bd7 10.f4 Rc8 11.Kb1 b5 12.Bd3 Be7 13.h3 O-O 14.g4 Nb4 15.Rdg1 e5
16.Nf5 Bxf5 17.gxf5 Kh7 18.Nd1 Nc6 19.Nf2 d5 20.fxe5 Nxe5 21.Ng4 dxe4 22.
Nxe5 exd3 23.Nxd3 Qd5 24.Qg2 Rg8 25.Qxd5 Nxd5 26.Bd4 Bf6 27.Bxf6 Nxf6 28.
Re1 Rc7 29.Re2 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "2"]
[White "Van Wijgerden, Cornelis"]
[Black "Donner, Jan"]
[WhiteElo "2430"]
[BlackElo "2470"]
[Result "0-1"]
[ECO "B09"]
[EventDate "1977.06.28"]
[PlyCount "74"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 7.O-O e5 8.fxe5 
dxe5 9.d5 Nd4 10.Nxe5 Nxe4 11.Bxe4 Bxe5 12.Bf4 Bxf4 13.Rxf4 Nf5 14.Rf2 Nd6
15.Bd3 Bd7 16.Qf3 f5 17.Re2 Qf6 18.Qf4 Rae8 19.Rae1 Rxe2 20.Rxe2 Re8 21.
Rxe8+ Bxe8 22.Nd1 g5 23.Qf2 Qe5 24.Qe3 Qxe3+ 25.Nxe3 f4 26.Nf5 Nxf5 27.
Bxf5 Kg7 28.Kf2 Bg6 29.Bc8 Bxc2 30.Bxb7 Kf6 31.Kf3 Ke5 32.Kg4 h6 33.Kh5 
Bd1+ 34.Kxh6 g4 35.Kg5 f3 36.gxf3 gxf3 37.Kh4 Kf4 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "3"]
[White "Adorjan, Andras"]
[Black "Torre, Eugenio"]
[WhiteElo "2530"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1977.06.28"]
[PlyCount "29"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6 6.O-O Bg7 7.c3 Nc6 8.Be3 Nf6
9.Nd2 d6 10.Nc4 Ne5 11.Nxe5 dxe5 12.Nf3 Qc7 13.a4 Ng4 14.Bc1 O-O 15.Qe2 
1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "3"]
[White "Donner, Jan"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2470"]
[BlackElo "2530"]
[Result "1/2-1/2"]
[ECO "E41"]
[EventDate "1977.06.28"]
[PlyCount "46"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nf3 Bxc3+ 7.bxc3 d6 8.e4 e5
9.d5 Ne7 10.Nh4 h6 11.g3 Bh3 12.f4 Ng6 13.Qf3 Bg4 14.Qf2 exf4 15.Nxg6 fxg6
16.gxf4 O-O 17.Qg3 Qa5 18.Bd2 Rae8 19.O-O Rxe4 20.Bxe4 Nxe4 21.Qxg4 Nxd2 
22.Rfc1 Nxc4 23.Rc2 Qd8 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "3"]
[White "Hulak, Krunoslav"]
[Black "Ree, Hans"]
[WhiteElo "2525"]
[BlackElo "2460"]
[Result "1-0"]
[ECO "C76"]
[EventDate "1977.06.28"]
[PlyCount "93"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 g6 5.O-O Bg7 6.c3 d6 7.d4 Bd7 8.dxe5 dxe5
9.Bg5 Nge7 10.Qc1 O-O 11.Re1 Qe8 12.Bh6 Nc8 13.Bxg7 Kxg7 14.Na3 Nb6 15.Bb3
Be6 16.Ng5 Bxb3 17.axb3 Rd8 18.Nc2 f6 19.Nf3 Qf7 20.Nd2 Qd7 21.Nf1 Qe6 22.
b4 Rf7 23.Nce3 Rfd7 24.Qc2 Na7 25.h4 Nb5 26.Qe2 Nd6 27.Nd2 Nf7 28.Red1 f5 
29.exf5 gxf5 30.g4 fxg4 31.Ne4 Rxd1+ 32.Rxd1 Rxd1+ 33.Qxd1 Nh6 34.Qd8 Nf7 
35.Qxc7 Nd5 36.Qxb7 Nxe3 37.fxe3 Qb3 38.Ng5 Qd1+ 39.Kf2 Qd2+ 40.Kg3 Qxe3+ 
41.Kxg4 Qg1+ 42.Kf5 Qf1+ 43.Qf3 Qb1+ 44.Ne4 Kf8 45.Kf6 Qc1 46.Ng5 Nxg5 47.
Qa8# 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "3"]
[White "Kavalek, Lubomir"]
[Black "Van Wijgerden, Cornelis"]
[WhiteElo "2545"]
[BlackElo "2430"]
[Result "1-0"]
[ECO "A41"]
[EventDate "1977.06.28"]
[PlyCount "113"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.Nf3 Bg4 5.d5 c6 6.e4 Nd7 7.Be2 cxd5 8.Nxd5 
Ngf6 9.Nxf6+ Bxf6 10.O-O O-O 11.Ng5 Bxe2 12.Qxe2 Rc8 13.Nf3 Qa5 14.Bh6 
Rfe8 15.Rfc1 Ne5 16.Nxe5 Qxe5 17.Rc2 Qa5 18.Bd2 Qa6 19.a4 Rc7 20.Ra3 Rec8 
21.b3 Qc6 22.Raa2 Qd7 23.Be3 a6 24.a5 Qe6 25.Qd3 Rc6 26.f4 Bg7 27.Re2 Qf6 
28.h3 Qc3 29.Qxc3 Bxc3 30.Ra4 f5 31.exf5 gxf5 32.Kf2 Kf7 33.g4 e6 34.Kf3 
Rd8 35.Bb6 Rd7 36.Re3 Bf6 37.Ra2 Bd8 38.Bxd8 Rxd8 39.Rae2 fxg4+ 40.hxg4 d5
41.Rd3 Rc5 42.Ra2 Rdc8 43.cxd5 Rxd5 44.Rad2 Rxd3+ 45.Rxd3 Ke7 46.Ke4 Rc7 
47.Rh3 Kd6 48.Rh6 Rg7 49.b4 Rc7 50.f5 Rc4+ 51.Kf3 Rxb4 52.Rxe6+ Kd5 53.Rh6
Ke5 54.Re6+ Kd5 55.Rh6 Ke5 56.Rxh7 Rb3+ 57.Ke2 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "3"]
[White "Miles, Anthony John"]
[Black "Timman, Jan"]
[WhiteElo "2555"]
[BlackElo "2590"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1977.06.28"]
[PlyCount "112"]

1.Nf3 Nc6 2.d4 d5 3.Bf4 Bg4 4.e3 e6 5.h3 Bh5 6.Be2 Bd6 7.Bxd6 cxd6 8.c4 
Bxf3 9.Bxf3 dxc4 10.Bxc6+ bxc6 11.Qa4 Qb6 12.Qxc4 Nf6 13.Nc3 O-O 14.O-O 
Rfc8 15.b3 Qb7 16.Rfd1 d5 17.Qc5 Nd7 18.Qd6 c5 19.dxc5 Nxc5 20.Rac1 Rc6 
21.Qe5 Rac8 22.Qd4 Ne4 23.Ne2 h6 24.Rxc6 Rxc6 25.Rc1 Rxc1+ 26.Nxc1 Qc7 27.
Qb2 h5 28.Nd3 h4 29.Qc1 Nc3 30.Qc2 e5 31.Ne1 e4 32.Qd2 Qc5 33.f3 f5 34.
fxe4 f4 35.b4 fxe3 36.Qxd5+ Qxd5 37.exd5 Nxa2 38.Nc2 Kf7 39.Kf1 Kf6 40.Ke2
Ke5 41.Kxe3 Kxd5 42.Kd3 a6 43.Ne1 Nxb4+ 44.Kc3 Nc6 45.Nf3 g5 46.Nxg5 Nd4 
47.Kd3 Ne6 48.Nf3 Nf4+ 49.Kc3 Nxg2 50.Kb4 Kc6 51.Ka5 Kb7 52.Nd4 Ne3 53.Nf3
Nf5 54.Ne5 Nd4 55.Ng6 Nf3 56.Nf4 Ng5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "3"]
[White "Panno, Oscar"]
[Black "Reshevsky, Samuel Herman"]
[WhiteElo "2550"]
[BlackElo "2490"]
[Result "1/2-1/2"]
[ECO "C65"]
[EventDate "1977.06.28"]
[PlyCount "32"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.Qe2 Be7 5.c3 d6 6.d4 Nd7 7.Be3 O-O 8.O-O Bf6
9.Nbd2 Ne7 10.Rad1 Ng6 11.Rfe1 c6 12.Bc4 Re8 13.Bb3 b5 14.d5 Bb7 15.c4 
cxd5 16.cxd5 Qa5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "3"]
[White "Quinteros, Miguel Angel"]
[Black "Liberzon, Vladimir"]
[WhiteElo "2555"]
[BlackElo "2550"]
[Result "0-1"]
[ECO "B89"]
[EventDate "1977.06.28"]
[PlyCount "87"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 d6 6.Be3 Nf6 7.Bc4 a6 8.Qe2 
Qc7 9.Bb3 Be7 10.O-O-O O-O 11.f4 b5 12.Rhf1 Na5 13.f5 b4 14.Na4 e5 15.Nf3 
Nxb3+ 16.axb3 Bb7 17.Nb6 Rab8 18.Nd5 Nxd5 19.exd5 Qa5 20.Nd2 Qxd5 21.Nc4 
Qxg2 22.Qxg2 Bxg2 23.f6 Bxf1 24.fxe7 Rfe8 25.Rxf1 Rxe7 26.Nxd6 Re6 27.Bc5 
f6 28.c4 bxc3 29.bxc3 Rxb3 30.Kc2 Rb8 31.c4 e4 32.Ba3 a5 33.c5 a4 34.Re1 
Rb3 35.Rxe4 Rxe4 36.Nxe4 Kf7 37.c6 Rb6 38.Nd6+ Ke6 39.Kd3 Rxc6 40.Nb5 Rc8 
41.Nc3 Kf5 42.Bb4 Ra8 43.Kc4 Kg4 44.Bd6 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "3"]
[White "Tatai, Stefano"]
[Black "Bohm, Hans"]
[WhiteElo "2480"]
[BlackElo "2445"]
[Result "1/2-1/2"]
[ECO "D63"]
[EventDate "1977.06.28"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 Nbd7 6.e3 O-O 7.Rc1 a6 8.c5 h6 
9.Bf4 Ne4 10.Nxe4 dxe4 11.Ne5 Nxe5 12.Bxe5 Bd7 13.Bc4 Bc6 14.Qg4 Bf6 15.
Bf4 Kh8 16.h4 Qe7 17.Qh5 Rfe8 18.g4 e5 19.Bxe5 Bxe5 20.Qxe5 Qxe5 21.dxe5 
Kg8 22.e6 fxe6 23.g5 Kf7 24.gxh6 gxh6 25.Rg1 Rg8 26.Rg3 Kf6 27.Be2 Ke5 28.
Rd1 Bd5 29.a3 a5 30.Rd4 b6 31.cxb6 cxb6 32.Bc4 Rac8 33.Rxg8 Rxg8 34.Bxd5 
exd5 35.b4 Rg4 36.bxa5 bxa5 37.Ra4 Rxh4 38.Kf1 Rg4 39.Rxa5 h5 40.Ra6 Rg5 
41.a4 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "4"]
[White "Bohm, Hans"]
[Black "Quinteros, Miguel Angel"]
[WhiteElo "2445"]
[BlackElo "2555"]
[Result "1/2-1/2"]
[ECO "B06"]
[EventDate "1977.06.28"]
[PlyCount "116"]

1.e4 g6 2.g3 d5 3.exd5 Qxd5 4.Nf3 Nc6 5.Bg2 Qe4+ 6.Kf1 Bg7 7.Nc3 Qf5 8.d4 
Nf6 9.d5 Nb4 10.a3 Na6 11.Be3 O-O 12.Nd4 Qd7 13.h3 Ne8 14.Kg1 Nd6 15.Qe2 
Nb8 16.Rd1 b6 17.Kh2 Bb7 18.Rhe1 a6 19.Bf4 Re8 20.Qf3 Qd8 21.Nc6 Nxc6 22.
dxc6 Bc8 23.Be5 Bxe5 24.Rxe5 Be6 25.Ne4 Bf5 26.g4 Bxe4 27.Rxe4 e6 28.Red4 
Qg5 29.b4 Rad8 30.Bf1 b5 31.Qe3 Qxe3 32.fxe3 Kf8 33.c4 bxc4 34.Bxc4 Ra8 
35.Be2 Ke7 36.Kg2 h6 37.h4 g5 38.hxg5 hxg5 39.Rh1 Rab8 40.Rh5 Rb6 41.Rd2 
a5 42.b5 Rg8 43.a4 Rbb8 44.Rh1 Kf6 45.Rf1+ Ke7 46.Rc1 Rgd8 47.Rcd1 Rh8 48.
Rd4 Rhd8 49.Bf3 Rdc8 50.Kf2 Rh8 51.Ke1 Rhd8 52.R1d2 Rh8 53.Kd1 Rhd8 54.Kc2
Rdc8 55.Kc3 Rh8 56.R4d3 Rhd8 57.Rd1 Rbc8 58.R3d2 Rb8 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "4"]
[White "Donner, Jan"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2470"]
[BlackElo "2545"]
[Result "0-1"]
[ECO "E69"]
[EventDate "1977.06.28"]
[PlyCount "98"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 d6 6.Nf3 Nbd7 7.O-O e5 8.e4 c6 
9.h3 Re8 10.d5 Nc5 11.Re1 a5 12.Bf1 a4 13.Rb1 cxd5 14.cxd5 Bd7 15.b4 axb3 
16.axb3 Qb8 17.Nd2 Rc8 18.Qf3 b5 19.b4 Na4 20.Nxa4 Rxa4 21.Rb3 Ra1 22.Nb1 
Nxe4 23.Qxe4 Bf5 24.Qe2 Bxb1 25.Be3 Ra2 26.Qxb5 Qxb5 27.Bxb5 Bc2 28.Rc1 e4
29.h4 Bb2 30.Rxb2 Rxb2 31.Ba6 Ra8 32.b5 Bd3 33.Rc6 Bxb5 34.Bxb5 Rxb5 35.
Rxd6 Kf8 36.Bg5 Ke8 37.g4 Rba5 38.Kg2 R5a6 39.Rxa6 Rxa6 40.Kg3 Kd7 41.Kf4 
f6 42.Bh6 Ra2 43.Kxe4 Rxf2 44.Bf4 Rf1 45.Bg3 Rg1 46.Kf3 Rxg3+ 47.Kxg3 Kd6 
48.Kf4 Kxd5 49.h5 Kd4 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "4"]
[White "Ree, Hans"]
[Black "Panno, Oscar"]
[WhiteElo "2460"]
[BlackElo "2550"]
[Result "1-0"]
[ECO "A42"]
[EventDate "1977.06.28"]
[PlyCount "83"]

1.c4 g6 2.d4 Bg7 3.Nc3 d6 4.e4 Nd7 5.Be2 e5 6.Nf3 Ne7 7.Be3 O-O 8.Qd2 f5 
9.exf5 gxf5 10.Bg5 e4 11.Nh4 Nf6 12.O-O c5 13.dxc5 dxc5 14.Qxd8 Rxd8 15.f3
h6 16.Be3 b6 17.g4 fxg4 18.fxe4 Nc6 19.Nd5 Nxd5 20.cxd5 Nd4 21.Bd3 Re8 22.
Bf4 c4 23.Bxc4 Rxe4 24.Rae1 Nf3+ 25.Nxf3 Rxf4 26.Re8+ Kf7 27.Ne5+ Bxe5 28.
Rxe5 Rxf1+ 29.Kxf1 Kf6 30.Re8 g3 31.Kg1 gxh2+ 32.Kxh2 Bb7 33.Re6+ Kg5 34.
Re7 b5 35.Bb3 Rb8 36.d6 a5 37.Re5+ Kf6 38.Rxb5 Rd8 39.Rxb7 Rxd6 40.Kg3 Rd2
41.Rb6+ Kg7 42.Be6 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "4"]
[White "Reshevsky, Samuel Herman"]
[Black "Adorjan, Andras"]
[WhiteElo "2490"]
[BlackElo "2530"]
[Result "1/2-1/2"]
[ECO "B09"]
[EventDate "1977.06.28"]
[PlyCount "112"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f4 Bg7 5.Nf3 O-O 6.Bd3 Nc6 7.e5 dxe5 8.dxe5 
Nd5 9.Bd2 Nb6 10.a3 f6 11.exf6 exf6 12.O-O Bg4 13.h3 Bxf3 14.Qxf3 f5 15.
Rad1 Kh8 16.Be3 Qf6 17.Bb5 Rad8 18.Bxc6 Qxc6 19.Qxc6 bxc6 20.Rxd8 Rxd8 21.
Rd1 Rd6 22.Bc5 Rxd1+ 23.Nxd1 a6 24.b3 Nd5 25.g3 Nc3 26.Nf2 Ne2+ 27.Kg2 Nd4
28.Bxd4 Bxd4 29.Nd3 a5 30.b4 a4 31.Kf3 Kg7 32.Ke2 Kf6 33.Kd2 Ke6 34.c3 Bg1
35.Nb2 c5 36.b5 Kd5 37.Ke2 h6 38.h4 h5 39.Kf3 c4 40.Nxa4 Ba7 41.Nb2 Bb6 
42.a4 Ba5 43.Nd1 Kc5 44.Ke3 Bb6 45.Kd2 c6 46.bxc6 Kxc6 47.Ne3 Kc5 48.Nc2 
Kd6 49.Nd4 Kd5 50.Kd1 Ba5 51.Kc2 Bc7 52.Nf3 Bb6 53.Ne5 Bf2 54.a5 Kc5 55.a6
Kb5 56.Nxg6 Kxa6 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "4"]
[White "Sosonko, Gennadi"]
[Black "Liberzon, Vladimir"]
[WhiteElo "2530"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "D98"]
[EventDate "1977.06.28"]
[PlyCount "33"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 
Nfd7 9.O-O-O Nb6 10.Qc5 e5 11.d5 N8d7 12.Qa3 Re8 13.Kb1 a5 14.Bb5 Bf8 15.
Qb3 Qf6 16.Na4 Rec8 17.Nxb6 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "4"]
[White "Timman, Jan"]
[Black "Tatai, Stefano"]
[WhiteElo "2590"]
[BlackElo "2480"]
[Result "1-0"]
[ECO "C51"]
[EventDate "1977.06.28"]
[PlyCount "55"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Be7 6.d4 Na5 7.Nxe5 Nxc4 8.Nxc4
d5 9.exd5 Qxd5 10.Ne3 Qa5 11.O-O Nf6 12.c4 O-O 13.d5 b5 14.Nd2 bxc4 15.
Ndxc4 Qa6 16.Bb2 Re8 17.Rc1 Rb8 18.Be5 Rb7 19.Re1 Bd7 20.d6 cxd6 21.Bxf6 
gxf6 22.Nd5 Be6 23.Rc3 Kh8 24.Nxe7 Rexe7 25.Qd4 Kg7 26.Rg3+ Kf8 27.Qxf6 
Ke8 28.Ne5 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "4"]
[White "Torre, Eugenio"]
[Black "Miles, Anthony John"]
[WhiteElo "2550"]
[BlackElo "2555"]
[Result "0-1"]
[ECO "B30"]
[EventDate "1977.06.28"]
[PlyCount "88"]

1.e4 c5 2.Nf3 Nc6 3.Bb5 Qb6 4.Ba4 e6 5.O-O Nge7 6.c3 d5 7.d3 Bd7 8.Re1 g6 
9.exd5 Nxd5 10.d4 cxd4 11.Nxd4 Bg7 12.Nxe6 Bxe6 13.Qxd5 O-O 14.Qb5 Qc7 15.
Bb3 Bf5 16.Qc5 Rfe8 17.Rxe8+ Rxe8 18.Be3 Re5 19.Qc4 Bh6 20.Na3 Bxe3 21.
fxe3 Rxe3 22.Nb5 Qe7 23.Rf1 Re4 24.Nd4 Nxd4 25.cxd4 Qd7 26.Rd1 Be6 27.Qd3 
Bxb3 28.axb3 Qf5 29.Rf1 Qd5 30.Rd1 Rg4 31.Rd2 Qe4 32.Qxe4 Rxe4 33.d5 Kf8 
34.d6 Ke8 35.Rc2 Rb4 36.Rc7 Rxb3 37.Re7+ Kf8 38.Rc7 Ke8 39.Re7+ Kd8 40.Kf2
a5 41.Rxf7 a4 42.Rxh7 Rxb2+ 43.Kf3 a3 44.h4 Rb6 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "4"]
[White "Van Wijgerden, Cornelis"]
[Black "Hulak, Krunoslav"]
[WhiteElo "2430"]
[BlackElo "2525"]
[Result "0-1"]
[ECO "A00"]
[EventDate "1977.06.28"]
[PlyCount "50"]

1.g3 g6 2.Bg2 Bg7 3.d4 Nf6 4.e4 d6 5.Nc3 O-O 6.Nge2 c6 7.O-O e5 8.h3 Na6 
9.Re1 Re8 10.a4 exd4 11.Nxd4 Nb4 12.a5 d5 13.e5 Nd7 14.f4 f6 15.e6 f5 16.
Nxc6 bxc6 17.exd7 Rxe1+ 18.Qxe1 Qxd7 19.Qf2 Ba6 20.Na4 Qd6 21.Bf1 Bxf1 22.
Kxf1 d4 23.c3 dxc3 24.Nxc3 Re8 25.Be3 Qd3+ 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "5"]
[White "Adorjan, Andras"]
[Black "Ree, Hans"]
[WhiteElo "2530"]
[BlackElo "2460"]
[Result "1/2-1/2"]
[ECO "B81"]
[EventDate "1977.06.28"]
[PlyCount "28"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 a6 7.g5 Nfd7 8.h4 b5 
9.a3 Bb7 10.Rg1 Nc5 11.f3 Nc6 12.Nxc6 Bxc6 13.Qd4 e5 14.Qf2 Qb6 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "5"]
[White "Hulak, Krunoslav"]
[Black "Donner, Jan"]
[WhiteElo "2525"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1977.06.28"]
[PlyCount "128"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Nc6 7.d5 Nb4 8.h3 e6 
9.a3 Na6 10.dxe6 Bxe6 11.Bg5 h6 12.Be3 Nc5 13.e5 Nfe4 14.Nxe4 Nxe4 15.Qc1 
Kh7 16.Rd1 Qe7 17.exd6 Nxd6 18.Nd4 Bd7 19.c3 Rad8 20.a4 a5 21.Bf3 b6 22.
Bf4 Qf6 23.Bxd6 cxd6 24.Bc6 Bc8 25.Nb5 Be6 26.Bd5 Qe5 27.Qd2 Rd7 28.Bxe6 
fxe6 29.Re1 Qf5 30.Qe3 e5 31.c4 d5 32.cxd5 Rxd5 33.Rac1 Qf4 34.Qxb6 Rd2 
35.Rf1 Rxb2 36.Rc7 Qxa4 37.Qa7 Rg8 38.Nc3 Qd4 39.Qxa5 Rc2 40.Nb5 Qd3 41.
Rxc2 Qxc2 42.Nd6 Qc6 43.Rd1 Ra8 44.Qb5 Qxb5 45.Nxb5 Re8 46.Kf1 Bf6 47.Nc3 
Kg7 48.Ne4 Be7 49.Rd5 Bf8 50.Rb5 Kf7 51.Rb6 Be7 52.g3 Ra8 53.Ke2 Ra3 54.
Rc6 Rb3 55.h4 h5 56.Nd2 Rb5 57.Nc4 Rd5 58.Ke3 Rc5 59.Ke4 Rxc6 60.Nxe5+ Kf6
61.Nxc6 Bc5 62.Nd4 Bb6 63.f3 Ba7 64.f4 Bb6 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "5"]
[White "Kavalek, Lubomir"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2545"]
[BlackElo "2530"]
[Result "1/2-1/2"]
[ECO "E18"]
[EventDate "1977.06.28"]
[PlyCount "40"]

1.c4 Nf6 2.Nf3 b6 3.g3 Bb7 4.Bg2 e6 5.O-O Be7 6.d4 O-O 7.Nc3 d5 8.Ne5 Na6 
9.Qa4 Qe8 10.Qxe8 Rfxe8 11.Rd1 Ne4 12.Be3 Nxc3 13.bxc3 c6 14.cxd5 cxd5 15.
c4 Rac8 16.Rac1 Ba3 17.Rc3 Bb4 18.Rcc1 Ba3 19.Rc3 Bb4 20.Rcc1 Ba3 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "5"]
[White "Liberzon, Vladimir"]
[Black "Bohm, Hans"]
[WhiteElo "2550"]
[BlackElo "2445"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1977.06.28"]
[PlyCount "103"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O c6 7.h3 Qc7 8.Bf4 Nh5 
9.Be3 e5 10.a4 Nd7 11.Qd2 Re8 12.dxe5 dxe5 13.Ng5 h6 14.Bxh5 hxg5 15.Be2 
f6 16.Bc4+ Kh7 17.Rfd1 Nf8 18.Qd6 Qxd6 19.Rxd6 Ne6 20.a5 Bf8 21.Rdd1 Kg7 
22.Kf1 Bb4 23.Ne2 Rh8 24.f3 Be7 25.Nc1 Rd8 26.Rxd8 Nxd8 27.Nb3 Ne6 28.Kf2 
Nc7 29.Nc5 f5 30.Nd3 Kf6 31.Rd1 Ne6 32.Bxe6 Kxe6 33.exf5+ gxf5 34.Re1 e4 
35.fxe4 f4 36.Bc5 Bd8 37.Bb4 b6 38.Ra1 c5 39.Bc3 c4 40.Nb4 bxa5 41.Nd5 Bb7
42.Bxa5 Bxd5 43.exd5+ Kd6 44.Bxd8 Rxd8 45.Rxa7 Rb8 46.Ra2 Kxd5 47.Kf3 Kd4 
48.c3+ Kd3 49.Ra5 Rxb2 50.Rxg5 Kxc3 51.Kxf4 Kd4 52.g4 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "5"]
[White "Miles, Anthony John"]
[Black "Reshevsky, Samuel Herman"]
[WhiteElo "2555"]
[BlackElo "2490"]
[Result "1-0"]
[ECO "B21"]
[EventDate "1977.06.28"]
[PlyCount "101"]

1.e4 c5 2.f4 Nc6 3.Nf3 e6 4.Bb5 Nge7 5.O-O a6 6.Be2 g6 7.d3 Bg7 8.c3 O-O 
9.Be3 b6 10.d4 f5 11.e5 Nd5 12.Bd2 cxd4 13.Nxd4 Nxd4 14.cxd4 d6 15.Nc3 
dxe5 16.dxe5 Bb7 17.Bf3 Rf7 18.Nxd5 Bxd5 19.Bxd5 Qxd5 20.Be3 Qe4 21.Bxb6 
g5 22.Qd6 Re8 23.Rac1 gxf4 24.Rfe1 Qb7 25.Qc6 Rb8 26.Bd4 Rd8 27.Qxb7 Rxb7 
28.Rc4 Kf7 29.Bc3 Bh6 30.Rc6 Ra7 31.Kf2 Rd3 32.Rd6 Rd7 33.Rxa6 Bf8 34.Ra5 
Be7 35.Rf1 Bh4+ 36.Kg1 Rd1 37.Ra4 Rxf1+ 38.Kxf1 Rd1+ 39.Ke2 Rg1 40.g3 Bg5 
41.gxf4 Bh4 42.Kd3 Rh1 43.Rb4 Rxh2 44.a4 Rh1 45.a5 Rd1+ 46.Kc2 Rd7 47.a6 
Bf2 48.Rb7 Ke8 49.b4 Ba7 50.Rxd7 Kxd7 51.Kd3 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "5"]
[White "Panno, Oscar"]
[Black "Van Wijgerden, Cornelis"]
[WhiteElo "2550"]
[BlackElo "2430"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1977.06.28"]
[PlyCount "51"]

1.c4 e5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nb6 6.Nf3 Nc6 7.O-O Be7 8.d3 
O-O 9.Be3 f5 10.Qc1 h6 11.Rd1 Bf6 12.Bc5 Rf7 13.e3 Be6 14.d4 exd4 15.exd4 
Rd7 16.Re1 Bf7 17.Ne5 Bxe5 18.dxe5 Be6 19.h4 Qe8 20.Qf4 Rad8 21.b3 Rd3 22.
Re3 Rxe3 23.Bxe3 Qe7 24.Bxc6 bxc6 25.Rd1 Rxd1+ 26.Nxd1 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "5"]
[White "Quinteros, Miguel Angel"]
[Black "Timman, Jan"]
[WhiteElo "2555"]
[BlackElo "2590"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1977.06.28"]
[PlyCount "58"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bc5 5.d3 h6 6.Bg2 d6 7.O-O a6 8.a3 O-O 9.
b4 Ba7 10.e3 Be6 11.Qc2 Qd7 12.Bb2 Bh3 13.Rac1 Rac8 14.Rfe1 Bxg2 15.Kxg2 
Rfe8 16.Rcd1 Ne7 17.d4 exd4 18.exd4 Ng6 19.h3 b5 20.c5 c6 21.Qb1 Bb8 22.
Rxe8+ Rxe8 23.Re1 dxc5 24.Rxe8+ Qxe8 25.dxc5 Ne5 26.Ne4 Nd5 27.Bxe5 Bxe5 
28.Nxe5 Qxe5 29.Qd3 g6 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "5"]
[White "Tatai, Stefano"]
[Black "Torre, Eugenio"]
[WhiteElo "2480"]
[BlackElo "2550"]
[Result "1-0"]
[ECO "E18"]
[EventDate "1977.06.28"]
[PlyCount "81"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 d5 8.Ne5 Na6 
9.Be3 c5 10.Rc1 cxd4 11.Bxd4 Nc5 12.cxd5 exd5 13.Nd3 Ne6 14.Bxf6 Bxf6 15.
Nb4 Nc7 16.Qb3 Bxc3 17.Qxc3 Rc8 18.Qd2 a5 19.Nc6 Qd7 20.Nd4 Ne6 21.Bh3 
Rxc1 22.Rxc1 Qd6 23.Nf5 Qe5 24.Ne7+ Kh8 25.f4 Qf6 26.Nc6 Nc5 27.Ne5 Qe7 
28.Bg2 f6 29.Nd3 Re8 30.Nxc5 bxc5 31.Rc2 a4 32.Bxd5 Rd8 33.e4 f5 34.Qa5 
Bxd5 35.exd5 Rxd5 36.Re2 Qd8 37.Qxa4 Rd7 38.Qc6 Rd1+ 39.Kf2 Qd4+ 40.Kg2 h6
41.Qc8+ 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "6"]
[White "Donner, Jan"]
[Black "Panno, Oscar"]
[WhiteElo "2470"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "E53"]
[EventDate "1977.06.28"]
[PlyCount "49"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 O-O 6.Nf3 d5 7.O-O b6 8.cxd5 exd5
9.Ne5 Bxc3 10.bxc3 Ba6 11.Bxa6 Nxa6 12.Qd3 Qc8 13.f3 Re8 14.Bb2 Qb7 15.c4 
cxd4 16.Qxd4 dxc4 17.Nxc4 Red8 18.Qh4 Ne8 19.Rfd1 f6 20.Rd4 Nac7 21.Rad1 
Ne6 22.Rxd8 Rxd8 23.Rxd8 Nxd8 24.Qd4 Ne6 25.Qc3 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "6"]
[White "Kavalek, Lubomir"]
[Black "Hulak, Krunoslav"]
[WhiteElo "2545"]
[BlackElo "2525"]
[Result "1/2-1/2"]
[ECO "A35"]
[EventDate "1977.06.28"]
[PlyCount "39"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 Nc6 4.e3 g6 5.d4 Bg7 6.d5 Na5 7.e4 d6 8.Be2 O-O 9.
O-O e6 10.Bf4 exd5 11.cxd5 Bg4 12.h3 Bxf3 13.Bxf3 Re8 14.Rb1 Rc8 15.Nb5 
Nxe4 16.Nxa7 Ra8 17.Nb5 Be5 18.Bxe5 Rxe5 19.Re1 Qb6 20.a4 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "6"]
[White "Ree, Hans"]
[Black "Miles, Anthony John"]
[WhiteElo "2460"]
[BlackElo "2555"]
[Result "0-1"]
[ECO "E15"]
[EventDate "1977.06.28"]
[PlyCount "80"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Bb7 5.Bg2 d5 6.cxd5 Nxd5 7.O-O Be7 8.Re1 
O-O 9.e4 Nf6 10.Nc3 c5 11.d5 exd5 12.exd5 Bd6 13.Ne5 Bxe5 14.Rxe5 Na6 15.
Bf4 Re8 16.Qd2 Qd7 17.Rd1 Rad8 18.Rxe8+ Nxe8 19.h4 h6 20.Kh2 Bc8 21.d6 Nf6
22.Re1 Nb4 23.a3 Nc6 24.Nd5 Nxd5 25.Qxd5 Bb7 26.Qh5 Re8 27.Rxe8+ Qxe8 28.
Bd5 Bc8 29.Bxh6 Ne5 30.Bf4 Ng4+ 31.Kg2 Be6 32.Bf3 g6 33.Qg5 f6 34.Qxg4 
Bxg4 35.Bxg4 Kf7 36.h5 g5 37.d7 Qa8+ 38.Bf3 Qd8 39.Be3 Qxd7 40.g4 Qd6 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "6"]
[White "Reshevsky, Samuel Herman"]
[Black "Tatai, Stefano"]
[WhiteElo "2490"]
[BlackElo "2480"]
[Result "0-1"]
[ECO "B92"]
[EventDate "1977.06.28"]
[PlyCount "162"]

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.Be3 O-O 12.Kh1 exf4 13.Rxf4 Ne5 14.Nd4 Rfe8 15.
a5 Rac8 16.Nf5 Bxf5 17.Rxf5 Qc6 18.Ra4 Bd8 19.h3 Nfd7 20.Bd3 Nc5 21.Ra1 
Qd7 22.Nd5 Qe6 23.b4 Ncd7 24.Rb1 Nf6 25.Nxf6+ Bxf6 26.b5 Nc4 27.Bc1 Be5 
28.Rf1 Re7 29.Qe2 h6 30.Bf4 Na3 31.Rb3 Nxb5 32.Bxe5 Qxe5 33.Bxb5 axb5 34.
Rxb5 Rc5 35.Rfb1 Rxb5 36.Rxb5 Qf4 37.Qf3 Qc1+ 38.Kh2 Qxc2 39.a6 Qa4 40.
Rxb7 Rxb7 41.axb7 Qb5 42.Qd1 Qxb7 43.Qxd6 Qxe4 44.Qd7 Qf4+ 45.Kh1 h5 46.
Kg1 Kh7 47.Qe8 g5 48.Qb5 Kg7 49.Qb2+ f6 50.Qb7+ Kg6 51.Qc8 Qd4+ 52.Kh2 
Qe5+ 53.Kh1 Kf7 54.Qh8 g4 55.Qh7+ Ke6 56.hxg4 hxg4 57.Qg8+ Kf5 58.Qh7+ Kf4
59.Qh6+ Qg5 60.Qh7 Qe5 61.Qh4 f5 62.Qf2+ Kg5 63.g3 Qe4+ 64.Kh2 Kf6 65.Qb6+
Ke5 66.Qc5+ Ke6 67.Kg1 Qe1+ 68.Kg2 Qd2+ 69.Kg1 Qd1+ 70.Kh2 Qd3 71.Qa5 Qe2+
72.Kg1 Qe3+ 73.Kg2 Qf3+ 74.Kh2 Qf2+ 75.Kh1 Qf1+ 76.Kh2 Qh3+ 77.Kg1 Qxg3+ 
78.Kh1 Qf3+ 79.Kg1 Qd1+ 80.Kf2 Qd4+ 81.Kf1 Qd3+ 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "6"]
[White "Sosonko, Gennadi"]
[Black "Bohm, Hans"]
[WhiteElo "2530"]
[BlackElo "2445"]
[Result "1/2-1/2"]
[ECO "A40"]
[EventDate "1977.06.28"]
[PlyCount "41"]

1.d4 e6 2.Nf3 b6 3.e4 d5 4.Bd3 Nf6 5.e5 Nfd7 6.Ng5 Be7 7.h4 Ba6 8.Rh3 Bxd3
9.Qxd3 c5 10.c3 Qc8 11.Na3 h6 12.Nxe6 fxe6 13.Qg6+ Kd8 14.Qxg7 Re8 15.Bxh6
Qa6 16.Qg6 cxd4 17.cxd4 Bb4+ 18.Bd2 Bxd2+ 19.Kxd2 Nc6 20.Rc1 Nxd4 21.Qg5+ 
1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "6"]
[White "Timman, Jan"]
[Black "Liberzon, Vladimir"]
[WhiteElo "2590"]
[BlackElo "2550"]
[Result "0-1"]
[ECO "B42"]
[EventDate "1977.06.28"]
[PlyCount "120"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.Qe2 Be7 8.b3 Bd7
9.Bb2 Nc6 10.Nd2 O-O 11.Kh1 Nxd4 12.Bxd4 e5 13.Bb2 Be6 14.Nc4 Nd7 15.a4 
Qc7 16.a5 Rad8 17.Ne3 Nc5 18.f4 exf4 19.Nf5 Bxf5 20.exf5 Nxd3 21.f6 Ne5 
22.fxe7 Qxe7 23.Rxf4 f6 24.h3 Rfe8 25.Raa4 d5 26.Bxe5 Qxe5 27.Qd2 Qe1+ 28.
Qxe1 Rxe1+ 29.Kh2 Re2 30.c4 d4 31.c5 d3 32.Rad4 Ree8 33.Rd6 Rxd6 34.cxd6 
Rd8 35.Rd4 Kf7 36.Rxd3 Ke6 37.Rd4 Rd7 38.Kg3 Ke5 39.Rb4 Kxd6 40.Rb6+ Kc7 
41.Re6 Kd8 42.Rb6 Re7 43.Kf4 Kc7 44.Rb4 Re5 45.Rc4+ Kd6 46.b4 h5 47.h4 g5+
48.Kf3 Rf5+ 49.Ke3 Rb5 50.Rd4+ Ke6 51.Rc4 Re5+ 52.Kf3 Rf5+ 53.Ke3 Kd6 54.
Rd4+ Kc6 55.Re4 Kb5 56.g4 hxg4 57.Rxg4 gxh4 58.Rxh4 Ka4 59.Kd3 Kb3 60.Rh1 
Rd5+ 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "6"]
[White "Torre, Eugenio"]
[Black "Quinteros, Miguel Angel"]
[WhiteElo "2550"]
[BlackElo "2555"]
[Result "1-0"]
[ECO "B33"]
[EventDate "1977.06.28"]
[PlyCount "77"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Ndb5 d6 7.Bf4 e5 8.Bg5 
a6 9.Na3 b5 10.Bxf6 gxf6 11.Nd5 f5 12.Bd3 Be6 13.c4 Bxd5 14.exd5 Qa5+ 15.
Kf1 Nd4 16.cxb5 axb5 17.Nc2 Nxc2 18.Qxc2 e4 19.Qc6+ Ke7 20.Bxb5 Ra7 21.a4 
Bg7 22.Qc1 Rb8 23.Rb1 Rxb5 24.axb5 Qxb5+ 25.Kg1 Qxd5 26.h4 Be5 27.Rh3 f4 
28.Ra3 Rd7 29.b4 Qe6 30.Qc8 Qg6 31.Ra8 f3 32.Qg8 Bg7 33.g3 Qg4 34.Kh2 Kf6 
35.Qc8 Qe6 36.b5 Kf5 37.b6 Be5 38.Ra7 Bxg3+ 39.fxg3 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "6"]
[White "Van Wijgerden, Cornelis"]
[Black "Adorjan, Andras"]
[WhiteElo "2430"]
[BlackElo "2530"]
[Result "1-0"]
[ECO "B09"]
[EventDate "1977.06.28"]
[PlyCount "85"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nf6 5.Nf3 O-O 6.Bd3 Nc6 7.O-O Bg4 8.e5 Nd7 
9.Be3 Nb4 10.Be4 c5 11.dxc5 Nxc5 12.Bxc5 dxc5 13.Bxb7 Rb8 14.Be4 f5 15.
Bd5+ Nxd5 16.Qxd5+ Qxd5 17.Nxd5 e6 18.Nc7 Rb6 19.Ng5 Rc8 20.Ngxe6 Bh6 21.
Rf2 Rc6 22.h3 Bh5 23.Rd2 R6xc7 24.Nxc7 Rxc7 25.Rf1 Kf7 26.c4 Ke7 27.g3 Bg7
28.Kf2 Rc6 29.Re1 h6 30.Re3 g5 31.Ra3 Rc7 32.Rd6 Bf7 33.b3 Kf8 34.Rda6 Rd7
35.Rxa7 Rd4 36.Ra8+ Be8 37.Rc8 Ke7 38.Ra7+ Bd7 39.Ke3 gxf4+ 40.gxf4 h5 41.
Rxc5 Re4+ 42.Kf3 Bh6 43.Rd5 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "7"]
[White "Adorjan, Andras"]
[Black "Donner, Jan"]
[WhiteElo "2530"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "C09"]
[EventDate "1977.06.28"]
[PlyCount "32"]

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.Qe2+ Ne7 10.Be3 O-O 11.Bxb6 Qxb6 12.Bxc6 Nxc6 13.O-O Bg4 14.h3 
Rfe8 15.Qd1 Bxf3 16.Qxf3 d4 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "7"]
[White "Bohm, Hans"]
[Black "Timman, Jan"]
[WhiteElo "2445"]
[BlackElo "2590"]
[Result "1/2-1/2"]
[ECO "B56"]
[EventDate "1977.06.28"]
[PlyCount "119"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g3 Bg4 7.f3 Nxd4 8.Qxd4 
Bd7 9.Nd5 Ng8 10.Bg5 h6 11.Bh4 Qc8 12.f4 e6 13.Nc3 a6 14.O-O-O Qc5 15.Qxc5
dxc5 16.Bg2 Bc6 17.Rhe1 g5 18.fxg5 hxg5 19.Bxg5 Rxh2 20.Bf3 Bh6 21.Bxh6 
Rxh6 22.Re3 Nf6 23.e5 Bxf3 24.Rxf3 Nd7 25.Ne4 Nxe5 26.Rb3 b5 27.Nxc5 Rh2 
28.Re3 Nc4 29.Red3 Rc8 30.Ne4 Kf8 31.b3 Na3 32.Rd8+ Rxd8 33.Rxd8+ Ke7 34.
Rd2 Rh1+ 35.Rd1 Rh8 36.Kb2 b4 37.c3 f5 38.cxb4 fxe4 39.Kxa3 Kf6 40.b5 axb5
41.Kb4 Ke5 42.Kxb5 e3 43.Kc4 Rd8 44.Rf1 Rf8 45.Re1 Ke4 46.a4 Kf3 47.a5 Kf2
48.Ra1 e2 49.b4 Ke3 50.a6 Rf1 51.Ra3+ Ke4 52.a7 Rf8 53.Ra6 e5 54.Ra1 Ra8 
55.Re1 Kf3 56.Kd5 Rxa7 57.Kxe5 Rb7 58.g4 Kxg4 59.Ke4 Re7+ 60.Kd5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "7"]
[White "Hulak, Krunoslav"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2525"]
[BlackElo "2530"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1977.06.28"]
[PlyCount "30"]

1.g3 d5 2.Bg2 e5 3.d3 Nc6 4.Nf3 Nf6 5.O-O Be7 6.c4 O-O 7.cxd5 Nxd5 8.a3 
Be6 9.b4 Bf6 10.e4 Nb6 11.Bb2 Qd7 12.Qc2 a6 13.Rd1 Rfd8 14.Nc3 a5 15.b5 
Nd4 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "7"]
[White "Liberzon, Vladimir"]
[Black "Torre, Eugenio"]
[WhiteElo "2550"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1977.06.28"]
[PlyCount "42"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6 6.O-O Bg7 7.Be3 Nc6 8.Nxc6 
bxc6 9.Nd2 d5 10.c3 Nf6 11.Bc5 Nd7 12.Ba3 Bf8 13.Bxf8 Kxf8 14.b4 a5 15.Nb3
axb4 16.cxb4 Kg7 17.b5 cxb5 18.exd5 Nb6 19.dxe6 Bxe6 20.Bxb5 Qxd1 21.Rfxd1
Rxa2 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "7"]
[White "Miles, Anthony John"]
[Black "Van Wijgerden, Cornelis"]
[WhiteElo "2555"]
[BlackElo "2430"]
[Result "1/2-1/2"]
[ECO "A28"]
[EventDate "1977.06.28"]
[PlyCount "44"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 O-O 6.Nd5 Re8 7.Ng5 g6 8.Nxb4 
Nxb4 9.Qb3 c5 10.a3 Nc6 11.d3 b6 12.Be2 Bb7 13.Bd2 d5 14.Bf3 e4 15.dxe4 
dxc4 16.Qxc4 Ne5 17.Qc2 h6 18.Nh3 Nxe4 19.O-O-O Nxf3 20.gxf3 Nxd2 21.Rxd2 
Qf6 22.Nf4 Bxf3 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "7"]
[White "Panno, Oscar"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2550"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "E62"]
[EventDate "1977.06.28"]
[PlyCount "51"]

1.Nf3 Nf6 2.c4 d6 3.d4 g6 4.g3 Bg7 5.Bg2 O-O 6.O-O c6 7.Nc3 Bf5 8.Ne1 e5 
9.d5 cxd5 10.Nxd5 Nxd5 11.Bxd5 Nc6 12.Nc2 Rc8 13.Ne3 Bh3 14.Bg2 Bxg2 15.
Kxg2 Nd4 16.b3 f5 17.Bb2 f4 18.Bxd4 exd4 19.Nd5 d3 20.Qxd3 Bxa1 21.Rxa1 
Qg5 22.Rd1 Rce8 23.f3 fxg3 24.hxg3 h5 25.Rh1 Rf7 26.a4 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "7"]
[White "Quinteros, Miguel Angel"]
[Black "Reshevsky, Samuel Herman"]
[WhiteElo "2555"]
[BlackElo "2490"]
[Result "1/2-1/2"]
[ECO "A05"]
[EventDate "1977.06.28"]
[PlyCount "118"]

1.Nf3 Nf6 2.g3 b6 3.Bg2 Bb7 4.O-O e6 5.d3 d5 6.e4 Be7 7.Nbd2 O-O 8.e5 Nfd7
9.Re1 c5 10.Nf1 Na6 11.c3 b5 12.h4 b4 13.c4 dxc4 14.dxc4 Qc7 15.h5 Rad8 
16.Qe2 Nab8 17.h6 g6 18.b3 Bxf3 19.Bxf3 Nc6 20.Bxc6 Qxc6 21.Nh2 Qb7 22.Ng4
Nb8 23.Bb2 Bg5 24.Rad1 Rxd1 25.Rxd1 Rd8 26.Bc1 Rxd1+ 27.Qxd1 Be7 28.Be3 
Nd7 29.Qd2 Kf8 30.Bg5 Bxg5 31.Qxg5 Ke8 32.Nf6+ Nxf6 33.Qxf6 Qe4 34.Qh8+ 
Ke7 35.Qb8 Qe1+ 36.Kg2 Qe4+ 37.Kh2 Qd4 38.Qxa7+ Ke8 39.Qb8+ Ke7 40.Kg1 
Qd1+ 41.Kg2 Qd4 42.Qc7+ Ke8 43.Qc6+ Ke7 44.f4 g5 45.Qb7+ Ke8 46.Qf3 gxf4 
47.gxf4 Qd2+ 48.Kh3 Qd4 49.Kg2 Qd2+ 50.Kh3 Qd4 51.Qg3 Qd1 52.Qg8+ Ke7 53.
Qg5+ Ke8 54.Qg2 Qh5+ 55.Kg3 Qg6+ 56.Kf2 Qc2+ 57.Kg3 Qg6+ 58.Kf2 Qc2+ 59.
Kg3 Qg6+ 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "7"]
[White "Tatai, Stefano"]
[Black "Ree, Hans"]
[WhiteElo "2480"]
[BlackElo "2460"]
[Result "1/2-1/2"]
[ECO "D68"]
[EventDate "1977.06.28"]
[PlyCount "84"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 Nbd7 7.Rc1 c6 8.Bd3 
dxc4 9.Bxc4 Nd5 10.Bxe7 Qxe7 11.O-O Nxc3 12.Rxc3 e5 13.Qc2 exd4 14.exd4 
Nb6 15.Bb3 Be6 16.Qe2 Rfe8 17.Re3 Nd5 18.Bxd5 cxd5 19.Rc1 Rac8 20.Rxc8 
Rxc8 21.Qd2 h6 22.h3 b6 23.Rc3 Rxc3 24.Qxc3 f6 25.Nd2 Bf7 26.Nf1 Qe4 27.a3
Qb1 28.f3 Kh7 29.Kf2 a5 30.Ne3 h5 31.Qc2+ Qxc2+ 32.Nxc2 h4 33.Ne3 g5 34.
Nd1 Be8 35.Nc3 Bc6 36.b4 axb4 37.axb4 b5 38.f4 Kg6 39.Kf3 Kf5 40.fxg5 fxg5
41.Nd1 Kf6 42.Ne3 Kg6 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "8"]
[White "Donner, Jan"]
[Black "Miles, Anthony John"]
[WhiteElo "2470"]
[BlackElo "2555"]
[Result "1-0"]
[ECO "A57"]
[EventDate "1977.06.28"]
[PlyCount "153"]

1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 g6 6.Nc3 d6 7.a4 Bg7 8.Qb3 Nbd7 9.
Nf3 O-O 10.Ra3 axb5 11.Bxb5 Ne8 12.O-O Nc7 13.Bc6 Rb8 14.Nb5 Nb6 15.e4 Ba6
16.Qc2 Bb7 17.Bxb7 Rxb7 18.Nxc7 Qxc7 19.Bd2 Rfb8 20.a5 Nd7 21.Bc3 Bxc3 22.
bxc3 Rb2 23.Qa4 Qa7 24.h3 Kg7 25.Rfa1 Nf6 26.Qc4 Nd7 27.Qd3 R8b5 28.Ra4 f6
29.g4 Ne5 30.Nxe5 fxe5 31.a6 Rb8 32.R4a2 R2b6 33.Kg2 Ra8 34.Kg3 Rab8 35.h4
Rb3 36.Qe3 Ra8 37.h5 c4 38.Qxa7 Rxa7 39.Ra3 g5 40.Kf3 Kf7 41.Ke3 Ke8 42.
R1a2 Kd7 43.Kd2 Rb6 44.Ra4 Ke8 45.Kc1 Kd7 46.Kc2 h6 47.Kd2 Ke8 48.Kc1 Kd7 
49.Kc2 Kd8 50.Rxc4 Raxa6 51.Rxa6 Rxa6 52.Kb3 Ra1 53.Ra4 Rb1+ 54.Kc2 Rb8 
55.c4 Rc8 56.Kc3 Kd7 57.Ra5 Kc7 58.c5 Kb7 59.c6+ Kb6 60.Ra2 Rf8 61.Rb2+ 
Ka6 62.Kd3 Rf3+ 63.Ke2 Rf8 64.Rb7 Re8 65.Rd7 Kb6 66.f3 Kc5 67.c7 Rc8 68.
Rxe7 Kb6 69.Rd7 Rxc7 70.Rxd6+ Kc5 71.Rxh6 Kd4 72.Rc6 Ra7 73.Rc2 Ra1 74.d6 
Rh1 75.Rd2+ Kc3 76.Rd3+ Kc2 77.d7 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "8"]
[White "Hulak, Krunoslav"]
[Black "Panno, Oscar"]
[WhiteElo "2525"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "B85"]
[EventDate "1977.06.28"]
[PlyCount "75"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Be2 Nf6 6.Nc3 d6 7.f4 Qc7 8.O-O Nc6
9.Kh1 Be7 10.Be3 O-O 11.Qe1 Bd7 12.Qg3 b5 13.a3 Qb7 14.e5 Nxd4 15.Bxd4 
dxe5 16.Bxe5 Rad8 17.Rae1 Bc6 18.Bf3 g6 19.Qh4 Nd5 20.Qh3 Rfe8 21.Ne4 f5 
22.Ng5 Bxg5 23.fxg5 Qf7 24.Qg3 Rc8 25.Re2 Nb6 26.Rfe1 Bxf3 27.Qxf3 Nc4 28.
Bf6 Nd6 29.Qf4 Ne4 30.Bd4 Qc7 31.Be5 Qe7 32.h4 Rc4 33.b3 Rcc8 34.Rf1 Rf8 
35.Bb2 Qc7 36.Be5 Qe7 37.Bb2 Qc7 38.Be5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "8"]
[White "Kavalek, Lubomir"]
[Black "Adorjan, Andras"]
[WhiteElo "2545"]
[BlackElo "2530"]
[Result "1/2-1/2"]
[ECO "E63"]
[EventDate "1977.06.28"]
[PlyCount "49"]

1.Nf3 g6 2.d4 Nf6 3.c4 Bg7 4.g3 O-O 5.Bg2 d6 6.O-O Nc6 7.Nc3 a6 8.d5 Na5 
9.b3 Rb8 10.Bb2 b5 11.cxb5 axb5 12.Qd2 b4 13.Nd1 c5 14.dxc6 Nxc6 15.Ne1 
Bb7 16.Ne3 e6 17.Nd3 Ba8 18.Nc4 d5 19.Nce5 Ne4 20.Bxe4 dxe4 21.Nxc6 Bxc6 
22.Bxg7 Kxg7 23.Rac1 exd3 24.Rxc6 dxe2 25.Qxe2 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "8"]
[White "Ree, Hans"]
[Black "Quinteros, Miguel Angel"]
[WhiteElo "2460"]
[BlackElo "2555"]
[Result "1-0"]
[ECO "A21"]
[EventDate "1977.06.28"]
[PlyCount "63"]

1.c4 e5 2.Nc3 d6 3.Nf3 f5 4.d4 e4 5.Ng5 Be7 6.Nh3 Nf6 7.f3 c6 8.e3 O-O 9.
fxe4 fxe4 10.Nf4 Na6 11.Be2 Nc7 12.d5 g5 13.Nh5 Bf5 14.O-O Bg6 15.Ng3 Qd7 
16.b3 Rae8 17.Bb2 c5 18.h3 Bd8 19.Rf2 Na6 20.a3 Nb8 21.Qc2 Qe7 22.Raf1 
Nbd7 23.Nf5 Bxf5 24.Rxf5 h6 25.Qd1 a6 26.Bh5 Nxh5 27.Qxh5 Qh7 28.Ne2 b5 
29.Ng3 bxc4 30.bxc4 Nb6 31.Nxe4 Nxc4 32.Nxg5 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "8"]
[White "Reshevsky, Samuel Herman"]
[Black "Liberzon, Vladimir"]
[WhiteElo "2490"]
[BlackElo "2550"]
[Result "0-1"]
[ECO "B69"]
[EventDate "1977.06.28"]
[PlyCount "78"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 a6 8.O-O-O 
Bd7 9.f4 Be7 10.Nf3 b5 11.Bxf6 gxf6 12.Bd3 b4 13.Ne2 Qa5 14.Kb1 Qc5 15.Rc1
a5 16.c3 Qb6 17.Nfd4 bxc3 18.Qxc3 Nxd4 19.Qxd4 Bd8 20.f5 Qxd4 21.Nxd4 Bb6 
22.Nc6 Bc5 23.Bb5 Rg8 24.fxe6 fxe6 25.g3 Rg5 26.a4 Kf7 27.Rhd1 Bxc6 28.
Bxc6 Rb8 29.Bb5 h5 30.Rf1 h4 31.gxh4 Rh5 32.Be2 Rxh4 33.e5 f5 34.exd6 Bxd6
35.Bc4 Kf6 36.Rfe1 Be5 37.Rc2 Rb6 38.h3 Bd4 39.Rd2 Bc3 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "8"]
[White "Sosonko, Gennadi"]
[Black "Timman, Jan"]
[WhiteElo "2530"]
[BlackElo "2590"]
[Result "1-0"]
[ECO "D99"]
[EventDate "1977.06.28"]
[PlyCount "53"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 
Nfd7 9.Qb3 Nb6 10.Rd1 Bxf3 11.gxf3 e6 12.h4 Nc6 13.e5 Ne7 14.h5 Re8 15.
hxg6 Nxg6 16.Bd3 Nh4 17.Ke2 f5 18.Rdg1 c5 19.Bg5 Qxd4 20.Rxh4 Qxe5+ 21.Kf1
Rac8 22.Bb5 Rf8 23.Bf4 Qf6 24.Rh6 c4 25.Bxc4 Qd4 26.Bxe6+ Kh8 27.Ne2 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "8"]
[White "Torre, Eugenio"]
[Black "Bohm, Hans"]
[WhiteElo "2550"]
[BlackElo "2445"]
[Result "1/2-1/2"]
[ECO "B01"]
[EventDate "1977.06.28"]
[PlyCount "57"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Be2 Nc6 6.Be3 Nd5 7.Nf3 Nxe3 8.
fxe3 Bg4 9.Nd2 Bxe2 10.Qxe2 e6 11.Nc4 Qg5 12.O-O Bd6 13.Nxd6+ cxd6 14.Ne4 
Qe7 15.Qh5 O-O 16.c3 f5 17.Ng5 h6 18.Nh3 Rae8 19.Rae1 Qf7 20.Qxf7+ Rxf7 
21.e4 fxe4 22.Rxe4 e5 23.dxe5 dxe5 24.Nf2 Rd8 25.Ng4 Rd2 26.b4 Rxf1+ 27.
Kxf1 Rxa2 28.Nxe5 Nxe5 29.Rxe5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "8"]
[White "Van Wijgerden, Cornelis"]
[Black "Tatai, Stefano"]
[WhiteElo "2430"]
[BlackElo "2480"]
[Result "1-0"]
[ECO "B23"]
[EventDate "1977.06.28"]
[PlyCount "73"]

1.e4 c5 2.Nc3 d6 3.f4 g6 4.d4 cxd4 5.Qxd4 Nf6 6.e5 Nc6 7.Bb5 dxe5 8.Qxd8+ 
Kxd8 9.fxe5 Nxe5 10.Bf4 Ned7 11.O-O-O Nh5 12.Be3 Bg7 13.Nf3 Bxc3 14.bxc3 
Kc7 15.Rhe1 a6 16.Bc4 e6 17.Ng5 Nb6 18.Be2 f6 19.Bxh5 fxg5 20.Bd4 Rf8 21.
Be5+ Kc6 22.Bf3+ Rxf3 23.gxf3 Nc4 24.Rd8 b5 25.Bf6 h6 26.Rh8 Bb7 27.Rxa8 
Bxa8 28.Rxe6+ Kd7 29.Re7+ Kd6 30.Rg7 Bxf3 31.Rxg6 g4 32.Rxh6 a5 33.Bd4+ 
Kc7 34.Rh5 Bc6 35.Rg5 Bd7 36.a4 Kb7 37.axb5 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "9"]
[White "Adorjan, Andras"]
[Black "Hulak, Krunoslav"]
[WhiteElo "2530"]
[BlackElo "2525"]
[Result "0-1"]
[ECO "B87"]
[EventDate "1977.06.28"]
[PlyCount "62"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 b5 8.O-O Be7
9.f4 O-O 10.e5 dxe5 11.fxe5 Nfd7 12.Qh5 Nc6 13.Nxc6 Qb6+ 14.Kh1 Qxc6 15.
Rf3 Bb7 16.Bf4 Nc5 17.Rg3 b4 18.Bh6 g6 19.Bxf8 Bxf8 20.Nd1 Ne4 21.Rg4 Bg7 
22.Qh4 Bxe5 23.Ne3 h5 24.Qxh5 Nf2+ 25.Kg1 Nxg4 26.Qxg4 Bxb2 27.Rd1 Qe4 28.
Qxe4 Bxe4 29.Rd7 Rc8 30.Nc4 Bc6 31.Rxf7 Bd4+ 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "9"]
[White "Bohm, Hans"]
[Black "Reshevsky, Samuel Herman"]
[WhiteElo "2445"]
[BlackElo "2490"]
[Result "0-1"]
[ECO "C56"]
[EventDate "1977.06.28"]
[PlyCount "52"]

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.O-O Nxe4 6.Re1 d5 7.Bxd5 Qxd5 8.
Nc3 Qh5 9.Nxe4 Be6 10.Neg5 O-O-O 11.Nxe6 fxe6 12.Rxe6 Bd6 13.Bg5 Bxh2+ 14.
Kf1 Rdf8 15.Nxh2 Qxg5 16.Qe2 Rd8 17.Re1 Qd5 18.a3 Qa2 19.b4 Qxa3 20.b5 Nb4
21.Re7 Qc3 22.Qe6+ Kb8 23.Re8 a5 24.Rxh8 Rxh8 25.b6 cxb6 26.Qxb6 Nxc2 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "9"]
[White "Liberzon, Vladimir"]
[Black "Ree, Hans"]
[WhiteElo "2550"]
[BlackElo "2460"]
[Result "0-1"]
[ECO "A09"]
[EventDate "1977.06.28"]
[PlyCount "80"]

1.Nf3 d5 2.c4 d4 3.b4 f6 4.e3 e5 5.exd4 e4 6.Nh4 Qxd4 7.Nc3 Nh6 8.Rb1 Nc6 
9.Bb2 Nxb4 10.Nd5 Nd3+ 11.Bxd3 Qxd3 12.Rc1 Bg4 13.f3 exf3 14.gxf3 O-O-O 
15.Rc3 Qd4 16.Ng2 Bh3 17.Rc2 Re8+ 18.Nde3 Qd3 19.Rc3 Qd7 20.O-O Bc5 21.Kh1
Nf5 22.Nxf5 Bxf5 23.Ne3 Bg6 24.Ba3 Bd4 25.Rb3 Qh3 26.Qe2 Bc2 27.Rb2 Bxb2 
28.Bxb2 Re6 29.Rg1 Bg6 30.Qf2 Rd8 31.Nd5 Qf5 32.Bc3 c6 33.Ne3 Qd3 34.Rc1 
Kb8 35.Qg3+ Ka8 36.Qc7 Qd7 37.Qa5 Rde8 38.c5 Rxe3 39.dxe3 Qh3 40.Kg1 Qxf3 
0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "9"]
[White "Miles, Anthony John"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2555"]
[BlackElo "2545"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1977.06.28"]
[PlyCount "147"]

1.Nf3 g6 2.e4 Bg7 3.d4 d6 4.Nc3 Nf6 5.Be2 O-O 6.O-O a6 7.Re1 Nc6 8.d5 Ne5 
9.Nxe5 dxe5 10.Be3 Qd6 11.Qd3 Rd8 12.Na4 e6 13.Bc5 Qd7 14.dxe6 fxe6 15.
Rad1 Qxd3 16.Bxd3 Bd7 17.Nc3 Bc6 18.f3 Nd7 19.Be3 b5 20.Be2 Bf8 21.Nb1 Nc5
22.Rxd8 Rxd8 23.Rd1 Rb8 24.Kf2 a5 25.Nd2 a4 26.c3 Rd8 27.a3 Nd3+ 28.Bxd3 
Rxd3 29.Ke2 Rd8 30.Nf1 Rb8 31.Bg5 Bd6 32.Ne3 h5 33.Nc2 Kf7 34.Nb4 Be8 35.
Be3 Rc8 36.Na6 Be7 37.Bc5 b4 38.Bxe7 bxc3 39.Bb4 Bb5+ 40.Ke3 c2 41.Rc1 
Bxa6 42.Rxc2 Bb5 43.Bd6 c6 44.Bxe5 g5 45.Rd2 Ke7 46.Bd6+ Ke8 47.Kd4 Kf7 
48.Ke5 c5 49.Rc2 Bf1 50.g3 c4 51.Rf2 Bd3 52.f4 g4 53.f5 exf5 54.Rxf5+ Kg6 
55.Kf4 Re8 56.Be5 Re7 57.Rf6+ Kh7 58.Kf5 Kg8 59.Rg6+ Kh7 60.Rb6 Rf7+ 61.
Kg5 Re7 62.Bf6 Re8 63.Rb7+ Kg8 64.e5 Be4 65.Rg7+ Kf8 66.Kxh5 Bd5 67.Kg6 
Rb8 68.e6 Bxe6 69.Be7+ Ke8 70.Bd6 Rxb2 71.Re7+ Kd8 72.Rxe6 Kd7 73.Be5 Rxh2
74.Rd6+ 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "9"]
[White "Panno, Oscar"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2550"]
[BlackElo "2530"]
[Result "0-1"]
[ECO "A09"]
[EventDate "1977.06.28"]
[PlyCount "74"]

1.Nf3 d5 2.c4 d4 3.g3 Nc6 4.Bg2 e5 5.d3 Bb4+ 6.Bd2 a5 7.O-O Nf6 8.Na3 O-O 
9.Nc2 Be7 10.a3 e4 11.Nfe1 Bf5 12.b4 h6 13.Rb1 axb4 14.axb4 Re8 15.b5 Ne5 
16.Bb4 Bxb4 17.Nxb4 Qd6 18.h3 c5 19.bxc6 bxc6 20.f4 exf3 21.Nxf3 Ng6 22.
Qe1 Nh5 23.c5 Qxc5 24.Rc1 Qd6 25.Rxc6 Qd7 26.Rc5 Bxh3 27.Rd5 Qc8 28.Rxd4 
Bxg2 29.Kxg2 Qe6 30.Rf2 Nf6 31.Nh2 Ne5 32.Rff4 Nc6 33.Nxc6 Qxc6+ 34.Kg1 
Ra2 35.Rf2 Qb6 36.e3 Qxd4 37.Rxa2 Rxe3 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "9"]
[White "Quinteros, Miguel Angel"]
[Black "Van Wijgerden, Cornelis"]
[WhiteElo "2555"]
[BlackElo "2430"]
[Result "1-0"]
[ECO "A40"]
[EventDate "1977.06.28"]
[PlyCount "73"]

1.d4 g6 2.e4 Bg7 3.c4 Nc6 4.Ne2 e5 5.d5 Nd4 6.Nxd4 exd4 7.Bd3 c5 8.O-O d6 
9.f4 Ne7 10.f5 Be5 11.Nd2 f6 12.Nf3 g5 13.b4 cxb4 14.Qa4+ Bd7 15.Qxb4 b6 
16.Bb2 Qc7 17.Bxd4 Bxd4+ 18.Nxd4 Qc5 19.Qb2 O-O 20.Kh1 Kg7 21.Be2 Rac8 22.
Rac1 Rce8 23.Bh5 Rc8 24.a3 Ng8 25.h4 h6 26.Nf3 Ne7 27.Nd4 Rcd8 28.Rf3 Rc8 
29.Ne6+ Bxe6 30.fxe6 Ng8 31.Bf7 g4 32.Rxf6 Nxf6 33.Rf1 Rxf7 34.exf7 Rf8 
35.Qxf6+ Kh7 36.h5 Qe3 37.Qxd6 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "9"]
[White "Tatai, Stefano"]
[Black "Donner, Jan"]
[WhiteElo "2480"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "E90"]
[EventDate "1977.06.28"]
[PlyCount "53"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 Bg7 5.e4 d6 6.h3 O-O 7.Nf3 e6 8.Bd3 exd5 9.
exd5 Re8+ 10.Be3 Bh6 11.O-O Bxe3 12.fxe3 Kg7 13.Qd2 Qe7 14.e4 Ng8 15.Bc2 
f6 16.Rae1 Nd7 17.Nb5 Nb6 18.Qc3 a6 19.Nxd6 Qxd6 20.e5 Qd8 21.exf6+ Nxf6 
22.Rxe8 Qxe8 23.Ng5 Qe7 24.Nxh7 Bf5 25.Bxf5 Kxh7 26.Bc2 Nbd7 27.Qg3 
1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "9"]
[White "Timman, Jan"]
[Black "Torre, Eugenio"]
[WhiteElo "2590"]
[BlackElo "2550"]
[Result "1-0"]
[ECO "A45"]
[EventDate "1977.06.28"]
[PlyCount "73"]

1.d4 Nf6 2.Bg5 c5 3.d5 Ne4 4.Bf4 Qb6 5.Qc1 g6 6.c3 d6 7.Na3 Nf6 8.e4 Bg7 
9.Bd3 Qd8 10.Ne2 O-O 11.O-O Na6 12.h3 Bd7 13.Ng3 Rb8 14.Nc2 b5 15.b4 Ne8 
16.Qa3 Qb6 17.Be3 Qb7 18.Rab1 c4 19.Be2 Nac7 20.Rbd1 Ra8 21.f4 Qa6 22.Qb2 
Qa4 23.Bd4 a5 24.e5 Nxd5 25.exd6 Bxd4+ 26.Rxd4 e6 27.Bf3 Bc6 28.Bxd5 Bxd5 
29.f5 axb4 30.Nxb4 Qa7 31.Nxd5 exd5 32.Qxb5 Nxd6 33.Qxd5 Rad8 34.fxg6 hxg6
35.Rf6 Nf5 36.Rxg6+ Ng7 37.Nh5 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "10"]
[White "Donner, Jan"]
[Black "Quinteros, Miguel Angel"]
[WhiteElo "2470"]
[BlackElo "2555"]
[Result "1-0"]
[ECO "E92"]
[EventDate "1977.06.28"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Nf3 e5 7.d5 a5 8.Be3 Ng4 9.
Bg5 f6 10.Bh4 Na6 11.Nd2 Nh6 12.f3 Nf7 13.a3 Bd7 14.Rb1 Nc5 15.b4 axb4 16.
axb4 Na4 17.Qb3 Bh6 18.Nd1 Ng5 19.Bf2 f5 20.c5 Kh8 21.Ra1 Nh3 22.gxh3 
Bxd2+ 23.Kxd2 Nxc5 24.bxc5 Rxa1 25.exf5 Bxf5 26.Rg1 Qa8 27.Nc3 Rxg1 28.
Bxg1 dxc5 29.Bxc5 Re8 30.Ne4 b6 31.Be3 Qa5+ 32.Kc2 Qe1 33.Bc4 Qh1 34.Bd2 
Qxh2 35.Qb5 Rd8 36.Qc6 Rf8 37.d6 b5 38.Bd3 cxd6 39.Qxd6 Rc8+ 40.Kb3 Bxe4 
41.Bxe4 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "10"]
[White "Hulak, Krunoslav"]
[Black "Miles, Anthony John"]
[WhiteElo "2525"]
[BlackElo "2555"]
[Result "1/2-1/2"]
[ECO "A04"]
[EventDate "1977.06.28"]
[PlyCount "55"]

1.g3 c5 2.Bg2 g6 3.Nf3 Bg7 4.O-O Nc6 5.d3 Nf6 6.Nc3 O-O 7.Rb1 Rb8 8.a3 b5 
9.d4 cxd4 10.Nxd4 Nxd4 11.Qxd4 Qc7 12.Bg5 d6 13.Qd3 Be6 14.Bxf6 Bxf6 15.
Nxb5 Qc5 16.Nc3 Bxc3 17.Qxc3 Qxc3 18.bxc3 Rfc8 19.Rxb8 Rxb8 20.Be4 Rc8 21.
Ra1 Rxc3 22.Kf1 f5 23.Bd3 Bc4 24.Ke1 Bxd3 25.cxd3 a5 26.Kd2 Rb3 27.Kc2 a4 
28.Rb1 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "10"]
[White "Kavalek, Lubomir"]
[Black "Tatai, Stefano"]
[WhiteElo "2545"]
[BlackElo "2480"]
[Result "1/2-1/2"]
[ECO "A32"]
[EventDate "1977.06.28"]
[PlyCount "41"]

1.d4 Nf6 2.c4 e6 3.g3 c5 4.Nf3 cxd4 5.Nxd4 d5 6.Bg2 e5 7.Nf3 d4 8.O-O Nc6 
9.e3 Be7 10.exd4 exd4 11.Bf4 O-O 12.Ne5 Bd7 13.Nd2 Qb6 14.Nb3 Rad8 15.Rc1 
Be6 16.Nd3 a5 17.Re1 a4 18.Nd2 Nb4 19.Nxb4 Qxb4 20.Re5 Bc5 21.Ne4 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "10"]
[White "Panno, Oscar"]
[Black "Adorjan, Andras"]
[WhiteElo "2550"]
[BlackElo "2530"]
[Result "1-0"]
[ECO "A40"]
[EventDate "1977.06.28"]
[PlyCount "65"]

1.Nf3 g6 2.d4 Bg7 3.g3 c5 4.d5 d6 5.Bg2 Nf6 6.O-O b5 7.Nfd2 O-O 8.a4 b4 9.
Re1 Nbd7 10.e4 Qc7 11.Nc4 Nb6 12.Ne3 a5 13.c4 e6 14.dxe6 Bxe6 15.Nd2 Rab8 
16.Ra2 b3 17.Ra3 Bd7 18.Qxb3 Nbd5 19.Nxd5 Nxd5 20.Qd1 Ne7 21.b3 Nc6 22.Nb1
Be6 23.Bd2 Bb2 24.Ra2 Bd4 25.Nc3 Nb4 26.Ra3 Nd3 27.Rf1 f5 28.Nb5 Rxb5 29.
axb5 fxe4 30.Be3 Rxf2 31.Bxf2 Nxf2 32.Rxf2 e3 33.Re2 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "10"]
[White "Ree, Hans"]
[Black "Bohm, Hans"]
[WhiteElo "2460"]
[BlackElo "2445"]
[Result "1-0"]
[ECO "A40"]
[EventDate "1977.06.28"]
[PlyCount "69"]

1.d4 e6 2.c4 b6 3.e4 Bb7 4.f3 Bb4+ 5.Bd2 Qh4+ 6.g3 Qe7 7.Nh3 f5 8.exf5 
exf5+ 9.Kf2 Bxd2 10.Qxd2 Nc6 11.Nc3 O-O-O 12.Bg2 Nf6 13.Rhe1 Qb4 14.d5 
Qc5+ 15.Qe3 Ne5 16.Qxc5 Nd3+ 17.Ke3 Nxc5 18.b4 Rhe8+ 19.Kd2 Na6 20.a3 c6 
21.Ng5 Rxe1 22.Rxe1 cxd5 23.Nf7 dxc4 24.Nxd8 Kxd8 25.Nb5 Bd5 26.Nd6 Nc7 
27.Nxf5 g6 28.Nd6 b5 29.Kc3 a6 30.Kd4 Ne6+ 31.Ke5 Ke7 32.h4 Bc6 33.Bh3 
Bxf3 34.Nc8+ Kf7 35.Rf1 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "10"]
[White "Reshevsky, Samuel Herman"]
[Black "Timman, Jan"]
[WhiteElo "2490"]
[BlackElo "2590"]
[Result "0-1"]
[ECO "A29"]
[EventDate "1977.06.28"]
[PlyCount "84"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bc5 5.d3 h6 6.Bg2 d6 7.O-O a6 8.e3 O-O 9.
h3 Bf5 10.Nd5 Ba7 11.e4 Bh7 12.Nxf6+ Qxf6 13.Be3 Bxe3 14.fxe3 Qe7 15.Qe2 
a5 16.Nd2 Nb4 17.Nb1 f5 18.Nc3 fxe4 19.Rxf8+ Rxf8 20.Bxe4 Bxe4 21.dxe4 Qg5
22.Kg2 h5 23.h4 Qg4 24.Re1 Nc2 25.Qxc2 Rf3 26.Ne2 Rxe3 27.c5 dxc5 28.Qc4+ 
Kh7 29.Qf7 Rxe2+ 30.Rxe2 Qxe2+ 31.Kg1 Qe1+ 32.Kh2 Qe2+ 33.Kg1 Qg4 34.Kf2 
Qg6 35.Qxc7 Qxe4 36.Qxc5 Qd4+ 37.Qxd4 exd4 38.Kf3 g5 39.Ke4 Kg6 40.a4 d3 
41.Kxd3 gxh4 42.gxh4 Kf5 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "10"]
[White "Sosonko, Gennadi"]
[Black "Torre, Eugenio"]
[WhiteElo "2530"]
[BlackElo "2550"]
[Result "0-1"]
[ECO "A43"]
[EventDate "1977.06.28"]
[PlyCount "70"]

1.d4 c5 2.d5 Nf6 3.Nc3 g6 4.e4 d6 5.Nf3 Bg7 6.Be2 O-O 7.O-O Na6 8.h3 Nc7 
9.Re1 b6 10.Bf4 Bb7 11.Bc4 a6 12.a4 Nh5 13.Bh2 Qd7 14.e5 b5 15.Bf1 f5 16.
axb5 axb5 17.Rxa8 Rxa8 18.g4 fxg4 19.exd6 exd6 20.Ng5 g3 21.Bxg3 Nxg3 22.
fxg3 Rf8 23.Bg2 b4 24.Nce4 Nxd5 25.Kh2 Bxb2 26.Nxh7 Kxh7 27.Ng5+ Kh8 28.
Bxd5 Rf2+ 29.Kh1 Rf5 30.Bxb7 Qxb7+ 31.Ne4 Re5 32.Qf3 Qe7 33.Qf4 Kg7 34.Qf3
d5 35.Qb3 Bd4 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "10"]
[White "Van Wijgerden, Cornelis"]
[Black "Liberzon, Vladimir"]
[WhiteElo "2430"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "B23"]
[EventDate "1977.06.28"]
[PlyCount "31"]

1.e4 c5 2.Nc3 Nc6 3.f4 e6 4.Nf3 Nge7 5.Be2 d5 6.d3 g6 7.O-O Bg7 8.Qe1 O-O 
9.Nd1 dxe4 10.dxe4 Nd4 11.Nxd4 Qxd4+ 12.Nf2 e5 13.c3 Qd6 14.Ng4 exf4 15.
Bxf4 Qe6 16.Bf3 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "11"]
[White "Adorjan, Andras"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2530"]
[BlackElo "2530"]
[Result "1/2-1/2"]
[ECO "B70"]
[EventDate "1977.06.28"]
[PlyCount "37"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be2 Bg7 7.O-O Nc6 8.Nb3 
O-O 9.Bg5 Be6 10.Kh1 Na5 11.f4 a6 12.Qe1 Rc8 13.f5 Bc4 14.Nxa5 Qxa5 15.Nd5
Qd8 16.Bxf6 Bxf6 17.Bxc4 Rxc4 18.Qe2 b5 19.Nxf6+ 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "11"]
[White "Bohm, Hans"]
[Black "Van Wijgerden, Cornelis"]
[WhiteElo "2445"]
[BlackElo "2430"]
[Result "0-1"]
[ECO "A29"]
[EventDate "1977.06.28"]
[PlyCount "102"]

1.c4 e5 2.Nc3 Nf6 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nb6 6.Nf3 Nc6 7.O-O Be7 8.d3 
O-O 9.Be3 f5 10.b4 Bf6 11.Bc5 Re8 12.Rc1 Be6 13.b5 Nd4 14.e3 Nxf3+ 15.Bxf3
Nd5 16.Nxd5 Bxd5 17.Bxd5+ Qxd5 18.Qb3 Qxb3 19.axb3 Red8 20.Rfd1 a6 21.b6 
Rac8 22.Rc4 Rd5 23.Ba3 c6 24.Bc5 Rcd8 25.Rc3 Kf7 26.Kf1 Be7 27.b4 a5 28.
Bxe7 Kxe7 29.bxa5 Rxa5 30.Rb1 Rda8 31.Kg2 Ra3 32.Rbc1 Rxc3 33.Rxc3 Ra4 34.
Rb3 c5 35.Kf3 Kd6 36.e4 g6 37.Ke3 Ra2 38.h4 Ra1 39.h5 fxe4 40.hxg6 hxg6 
41.dxe4 c4 42.Rb5 Re1+ 43.Kd2 Rxe4 44.Ra5 Kc6 45.Ra8 Kxb6 46.Rg8 Kc5 47.
Rxg6 b5 48.g4 Kb4 49.f3 c3+ 50.Kd3 Rd4+ 51.Kc2 Rd2+ 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "11"]
[White "Liberzon, Vladimir"]
[Black "Donner, Jan"]
[WhiteElo "2550"]
[BlackElo "2470"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1977.06.28"]
[PlyCount "69"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Bg4 7.Be3 Nc6 8.Qd2 e5
9.d5 Ne7 10.Rad1 Nc8 11.Ne1 Bd7 12.f4 Ng4 13.f5 Nxe3 14.Qxe3 c6 15.Kh1 Qh4
16.Qf3 Bf6 17.dxc6 bxc6 18.Ba6 gxf5 19.Bxc8 Bxc8 20.Rxd6 Be7 21.Rxc6 Bb7 
22.Rc7 fxe4 23.Qf5 Rab8 24.Qxe5 Ba6 25.Nd5 Bg5 26.Rcxf7 Rxf7 27.Qxb8+ Kg7 
28.Qe5+ Bf6 29.Rxf6 Rxf6 30.g3 Qh6 31.Nxf6 Qxf6 32.Qxf6+ Kxf6 33.Kg2 Ke5 
34.Kf2 Kd4 35.c3+ 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "11"]
[White "Miles, Anthony John"]
[Black "Panno, Oscar"]
[WhiteElo "2555"]
[BlackElo "2550"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1977.06.28"]
[PlyCount "99"]

1.Nf3 g6 2.e4 Bg7 3.d4 d6 4.Nc3 Nf6 5.Be2 O-O 6.O-O c6 7.a4 a5 8.Re1 Na6 
9.Bf1 Nb4 10.Nb1 Bg4 11.Nbd2 e5 12.c3 Na6 13.dxe5 dxe5 14.h3 Bxf3 15.Qxf3 
Nc5 16.Bc4 Qe7 17.Nb3 Nfd7 18.Be3 Kh8 19.Red1 f5 20.Nxc5 Nxc5 21.exf5 gxf5
22.Qh5 Nd7 23.Bg5 Nf6 24.Qf3 Qc5 25.Be6 Rae8 26.Be3 Qe7 27.Bxf5 e4 28.Qe2 
Qe5 29.Bg4 Nd5 30.Bd4 Qg5 31.Qd2 e3 32.fxe3 Nxe3 33.Rf1 Rxf1+ 34.Rxf1 h6 
35.Re1 Bxd4 36.Qxd4+ Kg8 37.Bf3 Re7 38.h4 Qg7 39.Qxg7+ Kxg7 40.Kf2 Nf5 41.
Rxe7+ Nxe7 42.Be4 Kf6 43.Kf3 Ke5 44.g4 Nc8 45.g5 hxg5 46.hxg5 Nd6 47.Bd3 
Ne8 48.Kg4 Ng7 49.Bc2 b5 50.b4 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "11"]
[White "Quinteros, Miguel Angel"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2555"]
[BlackElo "2545"]
[Result "0-1"]
[ECO "C65"]
[EventDate "1977.06.28"]
[PlyCount "58"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.Qe2 d6 5.d4 exd4 6.e5 dxe5 7.Nxe5 Bb4+ 8.c3 
O-O 9.Bxc6 bxc6 10.cxb4 Re8 11.O-O Bg4 12.f3 Bh5 13.Qe1 Nd7 14.f4 f6 15.
Qh4 fxe5 16.Qxh5 e4 17.Rd1 Nf6 18.Qc5 e3 19.Nc3 Ng4 20.h3 Nf2 21.Rxd4 Qh4 
22.Qc4+ Kh8 23.Qf1 Qg3 24.Ne2 Nxh3+ 25.Kh1 Nf2+ 26.Kg1 Qh4 27.Ng3 Qxg3 28.
Qe2 Ng4 29.Kf1 Qh4 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "11"]
[White "Tatai, Stefano"]
[Black "Hulak, Krunoslav"]
[WhiteElo "2480"]
[BlackElo "2525"]
[Result "0-1"]
[ECO "A71"]
[EventDate "1977.06.28"]
[PlyCount "67"]

1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.e4 Bg7 8.Bg5 h6 
9.Bh4 a6 10.Nd2 b5 11.Be2 O-O 12.Qc2 Nbd7 13.a4 b4 14.Nd1 Re8 15.f3 g5 16.
Bf2 Ne5 17.Ne3 Ng6 18.g3 Rb8 19.O-O b3 20.Nxb3 g4 21.Nc4 gxf3 22.Bxf3 Ng4 
23.Be1 N6e5 24.Nba5 Qg5 25.Ra3 f5 26.Bxg4 Nxg4 27.Nc6 fxe4 28.Bc3 Qxd5 29.
Nxd6 Qxd6 30.Nxb8 Ne3 31.Qe2 Nxf1 32.Bxg7 Kxg7 33.Rb3 Nd2 34.Qh5 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "11"]
[White "Timman, Jan"]
[Black "Ree, Hans"]
[WhiteElo "2590"]
[BlackElo "2460"]
[Result "0-1"]
[ECO "A21"]
[EventDate "1977.06.28"]
[PlyCount "88"]

1.c4 e5 2.Nc3 d6 3.Nf3 f5 4.g3 Nf6 5.Bg2 g6 6.d3 Bg7 7.c5 Nc6 8.cxd6 cxd6 
9.Qb3 Qe7 10.Bg5 Be6 11.Bxf6 Bxf6 12.Nd5 Bxd5 13.Qxd5 Qf7 14.Nd2 Qxd5 15.
Bxd5 Kd7 16.O-O Rac8 17.a3 Ne7 18.Bxb7 Rc2 19.Nc4 Rb8 20.Bf3 d5 21.Ne3 
Rcxb2 22.Nxd5 Nxd5 23.Bxd5 Rxe2 24.Rab1 Rbb2 25.Rxb2 Rxb2 26.Bg8 h6 27.Bh7
Be7 28.Bxg6 Ke6 29.Rc1 Bxa3 30.Rc6+ Kd5 31.Rf6 Bc5 32.Rxf5 a5 33.Rf6 a4 
34.Be4+ Kd4 35.Ra6 a3 36.Kg2 Kc3 37.g4 Rxf2+ 38.Kg3 Rd2 39.h4 a2 40.g5 
hxg5 41.h5 Kb2 42.h6 Ba3 43.Rb6+ Kc3 44.Rc6+ Kb4 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "11"]
[White "Torre, Eugenio"]
[Black "Reshevsky, Samuel Herman"]
[WhiteElo "2550"]
[BlackElo "2490"]
[Result "1-0"]
[ECO "C77"]
[EventDate "1977.06.28"]
[PlyCount "73"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.Qe2 a6 5.Ba4 d6 6.c3 Bd7 7.d4 Qe7 8.d5 Nb8 
9.Bc2 g6 10.c4 a5 11.Nc3 Na6 12.h3 Bg7 13.Be3 Nh5 14.O-O-O Nf4 15.Qf1 O-O 
16.g3 Nh5 17.Qe2 Nc5 18.Nh4 b6 19.Ng2 Nf6 20.g4 Ne8 21.h4 f5 22.exf5 gxf5 
23.g5 a4 24.a3 Nb3+ 25.Kb1 Qd8 26.f4 c5 27.h5 e4 28.Bxb3 Bxc3 29.Ba2 Bh8 
30.Nh4 b5 31.Ng6 hxg6 32.hxg6 Bg7 33.Rh7 Nf6 34.Qh2 Re8 35.Rxg7+ Kxg7 36.
Qh6+ Kg8 37.Rh1 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "12"]
[White "Adorjan, Andras"]
[Black "Miles, Anthony John"]
[WhiteElo "2530"]
[BlackElo "2555"]
[Result "1/2-1/2"]
[ECO "B17"]
[EventDate "1977.06.28"]
[PlyCount "36"]

1.e4 c6 2.Nc3 d5 3.d4 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Ng3 e6 7.Bd3 Be7 8.O-O 
O-O 9.b3 b6 10.Bb2 Bb7 11.c4 Qc7 12.Re1 Rfe8 13.Ne5 Rad8 14.Nh5 Nxe5 15.
Nxf6+ Bxf6 16.dxe5 Bg5 17.Qc2 g6 18.Rad1 c5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "12"]
[White "Donner, Jan"]
[Black "Bohm, Hans"]
[WhiteElo "2470"]
[BlackElo "2445"]
[Result "1/2-1/2"]
[ECO "D18"]
[EventDate "1977.06.28"]
[PlyCount "93"]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O 
Nbd7 9.Qe2 Bg6 10.e4 Bxc3 11.bxc3 Nxe4 12.Ba3 Qc7 13.Qe3 O-O-O 14.Rfe1 
Rhe8 15.Bb3 Kb8 16.h3 a5 17.c4 e5 18.Nxe5 Nxe5 19.dxe5 Rxe5 20.f3 Rg5 21.
Re2 f6 22.Rd1 Rxd1+ 23.Bxd1 Nd6 24.f4 Nxc4 25.Qc3 Rd5 26.Qxc4 Rxd1+ 27.Kh2
Bf7 28.Qe4 g5 29.Qf3 Rd7 30.Bc1 h6 31.Qc3 Qd8 32.Be3 Bd5 33.Qc5 b6 34.
Qxb6+ Qxb6 35.Bxb6 gxf4 36.Rf2 f3 37.gxf3 Bb3 38.Bxa5 Bxa4 39.Bc3 f5 40.
Bd2 h5 41.Kg3 Rd4 42.Bg5 Kc7 43.h4 c5 44.Rd2 Kd6 45.Rxd4+ cxd4 46.Kf2 Ke5 
47.f4+ 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "12"]
[White "Hulak, Krunoslav"]
[Black "Quinteros, Miguel Angel"]
[WhiteElo "2525"]
[BlackElo "2555"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1977.06.28"]
[PlyCount "135"]

1.g3 e5 2.Bg2 d5 3.d3 Nf6 4.Nf3 Nc6 5.O-O Be7 6.Nc3 O-O 7.Bg5 Be6 8.Nd2 
Nd7 9.Bxe7 Nxe7 10.e4 d4 11.Ne2 f6 12.f4 c5 13.f5 Bf7 14.g4 g5 15.fxg6 
Nxg6 16.Qe1 Be6 17.Qg3 Rf7 18.Kh1 Rg7 19.Bh3 h6 20.Rf2 Kh7 21.g5 Ngf8 22.
Bxe6 Nxe6 23.Qg4 Nxg5 24.Rg1 Qe7 25.Qf5+ Kh8 26.Nf1 Rag8 27.Nfg3 Qe6 28.
Rfg2 Qf7 29.b3 Nf8 30.Rf1 Nfh7 31.a4 b6 32.Qg4 Ne6 33.Qh3 Rg6 34.Qh5 Qe8 
35.Rgf2 Ng7 36.Qh3 Qc8 37.Nf5 Nxf5 38.Rxf5 Qd7 39.Ng3 Qg7 40.Rh5 Ng5 41.
Qf5 Nf7 42.Qd7 Rg4 43.Qf5 Rg6 44.Qd7 Rg4 45.Qe6 Rg6 46.Qe7 Nd8 47.Qxg7+ 
R8xg7 48.Rhf5 Nc6 49.Nh5 Rf7 50.Nxf6 Nb4 51.Nd5 Rxf5 52.exf5 Rd6 53.f6 Kg8
54.f7+ Kf8 55.Nf6 Rxf6 56.Rxf6 Nxc2 57.Kg2 Ne1+ 58.Kf2 Nxd3+ 59.Kf3 c4 60.
bxc4 Nc5 61.Kg4 e4 62.Kf4 e3 63.Kf3 Nd3 64.Re6 Nc1 65.Rxh6 Nb3 66.Rf6 Na5 
67.Rf4 Nc6 68.Ke2 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "12"]
[White "Kavalek, Lubomir"]
[Black "Liberzon, Vladimir"]
[WhiteElo "2545"]
[BlackElo "2550"]
[Result "0-1"]
[ECO "B44"]
[EventDate "1977.06.28"]
[PlyCount "76"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nb5 d6 6.c4 Nf6 7.N5c3 Be7 8.Be2 
O-O 9.O-O b6 10.Bf4 Bb7 11.Re1 Rc8 12.Bf1 Ne5 13.Nd2 Nfd7 14.Bg3 g5 15.Rc1
a6 16.f3 Kh8 17.Bf2 Rg8 18.h3 Rg7 19.b4 h5 20.a3 Qg8 21.Re3 Qh7 22.Ne2 
Rcg8 23.Rcc3 Rg6 24.f4 gxf4 25.Nxf4 Rh6 26.Rg3 Rxg3 27.Bxg3 h4 28.Bf2 Bxe4
29.c5 dxc5 30.bxc5 Bxc5 31.Bxc5 bxc5 32.Nc4 Qf5 33.Qd2 Rf6 34.Nxe5 Nxe5 
35.Qd8+ Kg7 36.g3 Nf3+ 37.Rxf3 Bxf3 38.Bd3 Qe5 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "12"]
[White "Panno, Oscar"]
[Black "Tatai, Stefano"]
[WhiteElo "2550"]
[BlackElo "2480"]
[Result "1/2-1/2"]
[ECO "A34"]
[EventDate "1977.06.28"]
[PlyCount "56"]

1.c4 Nf6 2.Nc3 c5 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nxc3 6.bxc3 g6 7.Qa4+ Nd7 8.
Nf3 Bg7 9.O-O O-O 10.d4 a6 11.Qb3 b5 12.Rd1 Bb7 13.a4 Bc6 14.axb5 axb5 15.
Be3 c4 16.Qb2 Nb6 17.Bg5 f6 18.Bd2 Qd7 19.Ne1 Rxa1 20.Rxa1 Bxg2 21.Nxg2 
Rb8 22.e4 e6 23.Ra5 Nc8 24.Ne3 Rb7 25.f3 Kf7 26.Nc2 Bf8 27.Kg2 Be7 28.Na3 
Ra7 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "12"]
[White "Ree, Hans"]
[Black "Torre, Eugenio"]
[WhiteElo "2460"]
[BlackElo "2550"]
[Result "0-1"]
[ECO "A29"]
[EventDate "1977.06.28"]
[PlyCount "124"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 Nb6 7.O-O Be7 8.d3 
O-O 9.Bd2 Bg4 10.Rc1 Kh8 11.Ne4 f5 12.Nc5 Bxc5 13.Rxc5 e4 14.dxe4 fxe4 15.
Ng5 Nd4 16.Re1 e3 17.fxe3 Nxe2+ 18.Rxe2 Qd3 19.Be4 Qxe2 20.Qxe2 Bxe2 21.
Rxc7 Rad8 22.Rf7 h6 23.Bc3 Rd1+ 24.Kf2 Rf1+ 25.Kxe2 R8xf7 26.Nxf7+ Rxf7 
27.Bd4 Rd7 28.h4 Re7 29.Bg6 Nc4 30.Bd3 Nb6 31.Bf5 Kg8 32.b3 Nd5 33.e4 b6 
34.a4 Nf6 35.Kd3 Nd7 36.Kc4 h5 37.Kd5 Kf7 38.e5 Nf8 39.Bf2 g6 40.Bh3 Ne6 
41.Kc6 Ng7 42.Kd5 Nf5 43.Ke4 Rd7 44.Bf1 Rd2 45.Bc4+ Ke7 46.Be1 Rd4+ 47.Kf3
Rg4 48.Bf2 Nd4+ 49.Bxd4 Rxd4 50.Ke3 Rg4 51.Kf3 Kf8 52.Be6 Rb4 53.Bc4 a6 
54.Ke3 b5 55.axb5 axb5 56.Be6 Ke7 57.Bd5 Rg4 58.Kf3 g5 59.hxg5 Rxg5 60.Kf4
Rg4+ 61.Kf3 Rd4 62.Bg8 b4 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "12"]
[White "Sosonko, Gennadi"]
[Black "Reshevsky, Samuel Herman"]
[WhiteElo "2530"]
[BlackElo "2490"]
[Result "1-0"]
[ECO "A68"]
[EventDate "1977.06.28"]
[PlyCount "83"]

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 Bg7 6.f4 e6 7.Nf3 O-O 8.Be2 exd5 9.
cxd5 b5 10.e5 dxe5 11.fxe5 Ng4 12.Bg5 f6 13.exf6 Bxf6 14.Qd2 Bf5 15.Nxb5 
Nd7 16.O-O Qb6 17.Bc4 Nde5 18.Nxe5 Nxe5 19.d6+ Nxc4 20.Qd5+ Kg7 21.Bxf6+ 
Rxf6 22.Qxc4 Rb8 23.Rae1 Rf7 24.Re7 Rxe7 25.dxe7 h5 26.Re1 Bd7 27.a4 Re8 
28.Qc3+ Kh7 29.Qf3 Kg7 30.Qc3+ Kh7 31.Qc4 Kg7 32.h3 Bxb5 33.axb5 Qd6 34.
Qe2 Kf7 35.Qf3+ Kg7 36.Qc6 Qd4+ 37.Kh1 Qf2 38.Re4 Qf7 39.Qxc5 Kh7 40.Qxa7 
Qf1+ 41.Kh2 Qxb5 42.b4 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "12"]
[White "Van Wijgerden, Cornelis"]
[Black "Timman, Jan"]
[WhiteElo "2430"]
[BlackElo "2590"]
[Result "1/2-1/2"]
[ECO "B09"]
[EventDate "1977.06.28"]
[PlyCount "95"]

1.e4 g6 2.d4 Bg7 3.Nc3 d6 4.f4 Nf6 5.Nf3 c5 6.Bb5+ Bd7 7.e5 Ng4 8.e6 Bxb5 
9.exf7+ Kd7 10.Nxb5 Qa5+ 11.Nc3 cxd4 12.Nxd4 Bxd4 13.Qxd4 Nc6 14.Qc4 Qb6 
15.Qe2 h5 16.Bd2 Nd4 17.Qd3 Nf5 18.Ne4 Rac8 19.Bc3 Rhf8 20.O-O-O Qe3+ 21.
Qxe3 Ngxe3 22.Rd2 Rc4 23.Ng5 Rxf4 24.h3 Nf1 25.Be5 Nxd2 26.Bxf4 Nc4 27.b3 
Nb6 28.g4 Nd4 29.Rf1 Nd5 30.Bd2 Nf6 31.gxh5 gxh5 32.Bc3 Ne6 33.h4 Nd5 34.
Bb2 Ndf4 35.Bg7 Nxg7 36.Rxf4 e5 37.Rf6 Ke7 38.Rh6 b5 39.c3 a5 40.Kd2 a4 
41.Kd3 Nf5 42.Rxh5 d5 43.Kd2 a3 44.b4 Nd6 45.Rh6 Nxf7 46.Re6+ Kd7 47.Rf6 
Ke7 48.Re6+ 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "13"]
[White "Bohm, Hans"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2445"]
[BlackElo "2545"]
[Result "0-1"]
[ECO "C28"]
[EventDate "1977.06.28"]
[PlyCount "80"]

1.e4 e5 2.Bc4 Nf6 3.d3 Nc6 4.Nc3 Na5 5.Nf3 d6 6.Bg5 Be7 7.Bxf6 Bxf6 8.Nd5 
O-O 9.h3 c6 10.Nxf6+ Qxf6 11.Qe2 Qg6 12.g4 Qf6 13.Rd1 Qe7 14.Qd2 Nxc4 15.
dxc4 Rd8 16.b3 Be6 17.Qg5 f6 18.Qe3 d5 19.cxd5 cxd5 20.exd5 Bxd5 21.c4 
Qb4+ 22.Ke2 Bxc4+ 23.bxc4 Qxc4+ 24.Ke1 Rxd1+ 25.Kxd1 Rd8+ 26.Nd2 Rd3 27.
Qe2 e4 28.Ke1 Qxa2 29.h4 Qa3 30.Qd1 h5 31.Qc2 Qa1+ 32.Nb1 Qa5+ 33.Kf1 hxg4
34.Qc8+ Kh7 35.Qxg4 Qd5 36.Kg2 e3+ 37.f3 Rd4 38.Qc8 Qa2+ 39.Kh3 Qf2 40.
Qf5+ Kh6 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "13"]
[White "Liberzon, Vladimir"]
[Black "Hulak, Krunoslav"]
[WhiteElo "2550"]
[BlackElo "2525"]
[Result "1/2-1/2"]
[ECO "B92"]
[EventDate "1977.06.28"]
[PlyCount "122"]

1.e4 c5 2.Nf3 d6 3.Nc3 a6 4.d4 cxd4 5.Nxd4 Nf6 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 Rac8 14.a5 Rfe8 15.
Nd4 Bf8 16.Qd2 g6 17.Rh4 Qd8 18.Bg5 Be7 19.Nf3 Ne5 20.Rf1 Rc5 21.Be3 Rxa5 
22.Nd4 Nc4 23.Bxc4 Bxc4 24.Rd1 Nd5 25.Rh3 Nxe3 26.Qxe3 Bf8 27.b3 Be6 28.
Nxe6 fxe6 29.Na4 Re5 30.Qd3 b5 31.Nb2 Qc7 32.Re3 Rc5 33.c4 Bg7 34.Re2 Rf8 
35.h3 Be5 36.Qe3 Bxb2 37.Rxb2 bxc4 38.bxc4 Rxc4 39.Rbd2 Rd8 40.Re2 Rc3 41.
Qg5 Rf8 42.Qg4 Rf6 43.Qg5 Kg7 44.Ree1 h6 45.Qd2 e5 46.Rf1 Rc2 47.Qd3 Rxf1+
48.Rxf1 a5 49.Kh2 Rc5 50.Qa6 h5 51.Rb1 Qe7 52.Rd1 Rc2 53.Rxd6 Qg5 54.Qf1 
Qf4+ 55.Qxf4 exf4 56.Kg1 a4 57.Ra6 Ra2 58.h4 a3 59.e5 Kf7 60.Rf6+ Ke7 61.
Rxf4 Ke6 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "13"]
[White "Miles, Anthony John"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2555"]
[BlackElo "2530"]
[Result "1/2-1/2"]
[ECO "A18"]
[EventDate "1977.06.28"]
[PlyCount "115"]

1.c4 Nf6 2.Nc3 e6 3.e4 d5 4.e5 d4 5.exf6 dxc3 6.bxc3 Qxf6 7.d4 b6 8.Nf3 
Bb7 9.Bd3 Bd6 10.Bg5 Bxf3 11.Qd2 Bf4 12.Bxf4 Bxg2 13.Rg1 Bb7 14.Be5 Qf3 
15.Bxg7 Rg8 16.Bxh7 Rxg7 17.Rxg7 Qh1+ 18.Ke2 Qf3+ 19.Kf1 Nd7 20.Qe3 Qh1+ 
21.Rg1 Qxh2 22.Be4 Bxe4 23.Qxe4 Qh3+ 24.Ke2 O-O-O 25.Rg3 Qh5+ 26.Qf3 Qh7 
27.Qd3 Qh5+ 28.Qf3 Qh7 29.Rc1 Kb8 30.a4 e5 31.a5 e4 32.Qh1 Qf5 33.Qh4 Nf6 
34.axb6 axb6 35.Ra1 Qe6 36.Ra4 Re8 37.Qg5 e3 38.Rxe3 Ne4 39.Qf4 f5 40.Ke1 
Qg6 41.Rb4 Qg1+ 42.Ke2 Kb7 43.c5 Nxc3+ 44.Kd3 Nd5 45.Qf3 Re4 46.c6+ Kxc6 
47.Rc4+ Kb5 48.Rxe4 fxe4+ 49.Kxe4 Qg6+ 50.Kxd5 Qd6+ 51.Ke4 Qe6+ 52.Kd3 
Qxc4+ 53.Ke3 Kb4 54.Qf8+ Kc3 55.Qa3+ Kc2 56.f4 Qe6+ 57.Kf2 Qd5 58.Ke3 
1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "13"]
[White "Quinteros, Miguel Angel"]
[Black "Panno, Oscar"]
[WhiteElo "2555"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1977.06.28"]
[PlyCount "28"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.d3 Be7 7.Bg2 Be6 8.O-O 
O-O 9.Bd2 Nb6 10.a3 f5 11.b4 a6 12.Be3 Bf6 13.Rc1 Nd4 14.Bxd4 exd4 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "13"]
[White "Reshevsky, Samuel Herman"]
[Black "Ree, Hans"]
[WhiteElo "2490"]
[BlackElo "2460"]
[Result "1-0"]
[ECO "B85"]
[EventDate "1977.06.28"]
[PlyCount "59"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Be2 a6 7.f4 Be7 8.Be3 O-O
9.O-O Qc7 10.a4 Nc6 11.Kh1 Rd8 12.Nb3 b6 13.Qe1 Rb8 14.Qf2 Nb4 15.Bf3 e5 
16.a5 bxa5 17.Nxa5 Nc6 18.Nc4 Re8 19.Bb6 Qb7 20.f5 Bd7 21.Rfd1 Rec8 22.b3 
Nb4 23.Ba7 Nxc2 24.Bxb8 Nxa1 25.Bxd6 Nxb3 26.Bxe7 Rxc4 27.Bxf6 gxf6 28.Nd5
Rc6 29.Qh4 Nd4 30.Nxf6+ 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "13"]
[White "Tatai, Stefano"]
[Black "Adorjan, Andras"]
[WhiteElo "2480"]
[BlackElo "2530"]
[Result "1-0"]
[ECO "C45"]
[EventDate "1977.06.28"]
[PlyCount "41"]

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6 bxc6 6.e5 Qe7 7.Qe2 Nd5 8.
Nd2 Nb4 9.Nf3 Ba6 10.c4 d5 11.a3 Bxc4 12.Qd1 Bxf1 13.Kxf1 Na6 14.Qa4 Nb8 
15.Bg5 Qe6 16.Rc1 h6 17.Bh4 Be7 18.Nd4 Qd7 19.e6 fxe6 20.Nxe6 g5 21.Re1 
1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "13"]
[White "Timman, Jan"]
[Black "Donner, Jan"]
[WhiteElo "2590"]
[BlackElo "2470"]
[Result "1-0"]
[ECO "D54"]
[EventDate "1977.06.28"]
[PlyCount "77"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Rc1 h6 7.Bh4 Ne4 8.Bxe7 
Qxe7 9.cxd5 Nxc3 10.Rxc3 exd5 11.Bd3 c6 12.Bb1 Re8 13.Ne2 Nd7 14.O-O Nf8 
15.f3 Be6 16.Nf4 Qd6 17.a3 Re7 18.Qd2 Rd8 19.b4 a6 20.Bc2 Bc8 21.Rb1 Rde8 
22.a4 Bd7 23.Rbb3 g5 24.Nh5 f5 25.Rb1 Nh7 26.Rf1 Nf6 27.Nxf6+ Qxf6 28.e4 
dxe4 29.fxe4 f4 30.e5 Qg7 31.Be4 Be6 32.b5 axb5 33.axb5 Rd8 34.bxc6 bxc6 
35.Qf2 Red7 36.Rxc6 Qf7 37.Rd1 Bd5 38.Rg6+ Kf8 39.Bc2 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "13"]
[White "Torre, Eugenio"]
[Black "Van Wijgerden, Cornelis"]
[WhiteElo "2550"]
[BlackElo "2430"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1977.06.28"]
[PlyCount "59"]

1.e4 g6 2.d4 Bg7 3.Nf3 d6 4.Be2 Nf6 5.Nc3 O-O 6.O-O c6 7.Re1 Qc7 8.e5 dxe5
9.Nxe5 Nbd7 10.Bf4 Nxe5 11.Bxe5 Qb6 12.Na4 Qd8 13.Bf3 Nd7 14.Bxg7 Kxg7 15.
c4 e6 16.Nc3 Nf6 17.Qd2 Bd7 18.Rad1 Rc8 19.Re5 b6 20.h4 h5 21.g3 Qe7 22.
Ne2 Rh8 23.Nf4 Qd6 24.Qc3 Rce8 25.Rg5 Rh6 26.d5 cxd5 27.Nxd5 exd5 28.Rgxd5
Qc6 29.Rxd7 Re1+ 30.Kg2 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "14"]
[White "Adorjan, Andras"]
[Black "Quinteros, Miguel Angel"]
[WhiteElo "2530"]
[BlackElo "2555"]
[Result "0-1"]
[ECO "B45"]
[EventDate "1977.06.28"]
[PlyCount "46"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Nxc6 bxc6 7.e5 Nd5 8.Ne4
f5 9.exf6 Nxf6 10.Nd6+ Bxd6 11.Qxd6 Ba6 12.c4 Qb6 13.Bd3 Bxc4 14.Bxc4 Ne4 
15.Qa3 Qxf2+ 16.Kd1 Qd4+ 17.Bd3 Nf2+ 18.Ke2 Nxh1 19.Be3 Qd5 20.Kf1 Qe5 21.
g3 Rb8 22.Re1 Rxb2 23.Bc5 Rf8+ 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "14"]
[White "Donner, Jan"]
[Black "Torre, Eugenio"]
[WhiteElo "2470"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "E62"]
[EventDate "1977.06.28"]
[PlyCount "29"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O c6 7.Nc3 Bf5 8.b3 Ne4 
9.Bb2 Nxc3 10.Bxc3 Be4 11.Qd2 Nd7 12.Qe3 d5 13.Bh3 Bxf3 14.Qxf3 e6 15.Rfd1
1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "14"]
[White "Hulak, Krunoslav"]
[Black "Bohm, Hans"]
[WhiteElo "2525"]
[BlackElo "2445"]
[Result "0-1"]
[ECO "B01"]
[EventDate "1977.06.28"]
[PlyCount "242"]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.Nf3 Nf6 5.d4 Bg4 6.Bb5+ c6 7.Be2 Nbd7 8.
O-O e6 9.Bf4 Be7 10.h3 Bh5 11.Qd2 O-O 12.a3 Rfe8 13.Rfe1 Bf8 14.Ne5 Bxe2 
15.Qxe2 Nxe5 16.Bxe5 Be7 17.Rad1 Nd7 18.Bg3 Qf5 19.Rd3 Rad8 20.Red1 Nf8 
21.Ne4 Ng6 22.Qe3 h6 23.c4 Bg5 24.Qe1 Bf4 25.b4 b5 26.c5 Bxg3 27.Rxg3 Qd5 
28.Qe2 Re7 29.h4 Kh8 30.Qg4 Qf5 31.Nd6 Qxg4 32.Rxg4 Kg8 33.Re4 Red7 34.a4 
bxa4 35.Ra1 Ne7 36.Ree1 Nf5 37.Nxf5 exf5 38.Rxa4 Rxd4 39.g3 a5 40.Rxa5 
Rxb4 41.Ra7 Rc4 42.Ree7 Rf8 43.Re5 f4 44.Rc7 fxg3 45.fxg3 Ra8 46.Rxc6 Rc2 
47.Kf1 Ra1+ 48.Re1 Raa2 49.Re3 Ra1+ 50.Re1 Ra3 51.Re2 Rxe2 52.Kxe2 Rxg3 
53.Rc8+ Kh7 54.c6 Rc3 55.c7 Kg6 56.Kd2 Rc6 57.Kd3 Kf6 58.Kd4 Ke7 59.Kd5 
Rc1 60.Rg8 Rxc7 61.Rxg7 Ra7 62.Rg1 Ra5+ 63.Ke4 Ra4+ 64.Kf5 Rxh4 65.Re1+ 
Kf8 66.Rg1 Rh2 67.Rf1 Rg2 68.Rh1 Kg7 69.Rh3 Rf2+ 70.Kg4 Kg6 71.Ra3 h5+ 72.
Kg3 Rf5 73.Ra6+ f6 74.Ra8 Rg5+ 75.Kh3 Rg4 76.Rg8+ Kf5 77.Rh8 Kg5 78.Rg8+ 
Kf4 79.Ra8 Rg1 80.Ra4+ Kg5 81.Ra8 Re1 82.Kg3 Re3+ 83.Kf2 Re4 84.Rg8+ Kh4 
85.Rf8 Rf4+ 86.Kg2 Rg4+ 87.Kf2 Rg6 88.Ra8 Rg5 89.Ra4+ Rg4 90.Ra5 Rf4+ 91.
Ke3 Rf1 92.Ke2 Rc1 93.Kf3 Re1 94.Ra4+ Kg5 95.Ra8 Rf1+ 96.Kg2 Rf5 97.Kh3 
Rf3+ 98.Kg2 Kg4 99.Rg8+ Kf4 100.Rh8 Rg3+ 101.Kf2 Rg5 102.Rh6 Rf5 103.Kg2 
Kg4 104.Rg6+ Kh4 105.Rh6 Kg5 106.Rh8 Kg4 107.Rg8+ Rg5 108.Rf8 f5 109.Rb8 
h4 110.Rb1 Rg6 111.Rb8 h3+ 112.Kh2 f4 113.Rh8 f3 114.Rxh3 Kf4 115.Rh4+ Rg4
116.Rh8 f2 117.Rf8+ Ke3 118.Re8+ Kf3 119.Rf8+ Ke2 120.Re8+ Kf1 121.Ra8 
Rg2+ 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "14"]
[White "Kavalek, Lubomir"]
[Black "Timman, Jan"]
[WhiteElo "2545"]
[BlackElo "2590"]
[Result "1/2-1/2"]
[ECO "C95"]
[EventDate "1977.06.28"]
[PlyCount "35"]

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.a4 c5 
16.d5 c4 17.Be3 Nc5 18.Nd2 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "14"]
[White "Miles, Anthony John"]
[Black "Tatai, Stefano"]
[WhiteElo "2555"]
[BlackElo "2480"]
[Result "1-0"]
[ECO "A30"]
[EventDate "1977.06.28"]
[PlyCount "67"]

1.Nf3 Nf6 2.c4 c5 3.g3 d5 4.cxd5 Nxd5 5.Bg2 Nc6 6.d4 e6 7.O-O Be7 8.dxc5 
Bxc5 9.a3 a5 10.Qc2 Be7 11.e4 Nf6 12.Rd1 Nd7 13.Nc3 O-O 14.Be3 Qc7 15.Nd5 
exd5 16.exd5 Ndb8 17.Nd4 Bd7 18.Rac1 Qe5 19.dxc6 Nxc6 20.Nxc6 Bxc6 21.Bxc6
bxc6 22.Bd4 Qb5 23.Re1 Rfe8 24.Qxc6 Qxc6 25.Rxc6 a4 26.Rc4 Kf8 27.Bc3 Bf6 
28.Rxe8+ Kxe8 29.Bxf6 gxf6 30.Rh4 Rb8 31.Rxh7 Rxb2 32.Rh4 Kf8 33.Rxa4 Ra2 
34.Kg2 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "14"]
[White "Panno, Oscar"]
[Black "Liberzon, Vladimir"]
[WhiteElo "2550"]
[BlackElo "2550"]
[Result "1-0"]
[ECO "D78"]
[EventDate "1977.06.28"]
[PlyCount "109"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d5 6.c4 c6 7.Nbd2 Bf5 8.b3 a5 
9.Bb2 a4 10.Nh4 Be6 11.Qc2 axb3 12.axb3 Rxa1 13.Rxa1 Qb6 14.e3 Na6 15.Bc3 
c5 16.Qb2 Qc7 17.Nhf3 dxc4 18.bxc4 cxd4 19.Nxd4 Bc8 20.Nb5 Qd8 21.Nb3 Ne8 
22.Bd4 Nac7 23.Na5 Bxd4 24.Nxd4 Qd6 25.Nxb7 Bxb7 26.Qxb7 Qc5 27.Qc6 Qxc6 
28.Nxc6 e6 29.Ra7 f6 30.Nd4 Rf7 31.c5 e5 32.Nb3 Rd7 33.Bc6 Rd3 34.Rb7 Kf8 
35.Kf1 Rc3 36.Ke1 Rc2 37.Bxe8 Nxe8 38.Rxh7 Ng7 39.Rh8+ Ke7 40.Rb8 Ne6 41.
Rb7+ Ke8 42.h4 Kf8 43.Rb6 Ke7 44.Rb7+ Kf8 45.Kd1 Rc4 46.Rb5 Kf7 47.Kd2 f5 
48.Kd3 Ra4 49.f4 exf4 50.gxf4 Ra2 51.Nd4 Ra3+ 52.Kd2 Ra2+ 53.Kc3 Ra3+ 54.
Rb3 Rxb3+ 55.Nxb3 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "14"]
[White "Sosonko, Gennadi"]
[Black "Ree, Hans"]
[WhiteElo "2530"]
[BlackElo "2460"]
[Result "1/2-1/2"]
[ECO "E11"]
[EventDate "1977.06.28"]
[PlyCount "21"]

1.d4 e6 2.c4 Nf6 3.g3 Bb4+ 4.Bd2 Qe7 5.Bg2 O-O 6.Nf3 Bxd2+ 7.Qxd2 Ne4 8.
Qc2 f5 9.O-O d6 10.Nc3 Nxc3 11.Qxc3 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "14"]
[White "Van Wijgerden, Cornelis"]
[Black "Reshevsky, Samuel Herman"]
[WhiteElo "2430"]
[BlackElo "2490"]
[Result "1/2-1/2"]
[ECO "B23"]
[EventDate "1977.06.28"]
[PlyCount "18"]

1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bc4 d6 6.d3 e6 7.f5 exf5 8.O-O Nge7 
9.Qe1 Ne5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "15"]
[White "Bohm, Hans"]
[Black "Panno, Oscar"]
[WhiteElo "2445"]
[BlackElo "2550"]
[Result "0-1"]
[ECO "B43"]
[EventDate "1977.06.28"]
[PlyCount "132"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.g3 Bb4 7.Ne2 Nf6 8.Bg2 
Be7 9.O-O O-O 10.a4 Nc6 11.b3 Rb8 12.h3 Rd8 13.Bf4 d6 14.g4 h6 15.Qd2 b6 
16.Rad1 b5 17.Qe3 Ne5 18.Rd2 Bd7 19.axb5 axb5 20.Rc1 Rdc8 21.Bg3 b4 22.Nd1
Be8 23.Nb2 Bf8 24.f4 Ned7 25.Nd3 Nc5 26.Nxc5 Qxc5 27.Qxc5 Rxc5 28.Ra1 Rc7 
29.g5 Nh5 30.Bh2 hxg5 31.fxg5 e5 32.Kf1 f6 33.gxf6 gxf6 34.Ra2 Rbc8 35.Bf3
Bh6 36.Rxd6 Bf8 37.Rd2 Bh6 38.Rd3 Rxc2 39.Rxc2 Rxc2 40.Rd8 Ng7 41.Bh5 Nxh5
42.Rxe8+ Kf7 43.Rh8 Kg6 44.Rg8+ Ng7 45.Rb8 Bd2 46.Rb6 Kf7 47.Rb7+ Kg8 48.
Rb8+ Kh7 49.Rb6 Nh5 50.Ng3 Be3 51.Rb7+ Kg6 52.Nxh5 Rf2+ 53.Ke1 Rxh2 54.Ng7
Bd2+ 55.Kd1 Bc3 56.Nf5 Kg5 57.Rc7 Kf4 58.Rc4 Rxh3 59.Kc1 Rh1+ 60.Kc2 Rh2+ 
61.Kc1 Re2 62.Rc6 Rb2 63.Rxf6 Kxe4 64.Nd6+ Kd5 65.Nb7 Rxb3 66.Rd6+ Kc4 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "15"]
[White "Liberzon, Vladimir"]
[Black "Adorjan, Andras"]
[WhiteElo "2550"]
[BlackElo "2530"]
[Result "0-1"]
[ECO "B08"]
[EventDate "1977.06.28"]
[PlyCount "90"]

1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Be2 O-O 6.O-O Bg4 7.Be3 Nc6 8.Qd2 e5
9.d5 Ne7 10.Rad1 Bd7 11.Ne1 Ng4 12.Bxg4 Bxg4 13.f3 Bd7 14.f4 Bg4 15.Rb1 c6
16.fxe5 dxe5 17.Bc5 b6 18.Ba3 c5 19.b4 cxb4 20.Bxb4 Bd7 21.Nf3 h6 22.Rfe1 
Kh7 23.Ba3 Rc8 24.Nb5 Rc4 25.Qd3 Ra4 26.c4 f5 27.Nd2 a6 28.Nc7 b5 29.d6 
Nc6 30.c5 Nd4 31.Rbc1 Qg5 32.Nf3 Nxf3+ 33.Qxf3 fxe4 34.Qe3 Qxe3+ 35.Rxe3 
h5 36.Rb3 Bh6 37.Re1 Bd2 38.Re2 e3 39.h3 b4 40.Bb2 Rxa2 41.Bxe5 Rc2 42.Bd4
Rf1+ 43.Kh2 h4 44.g3 Bc6 45.gxh4 Be1 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "15"]
[White "Quinteros, Miguel Angel"]
[Black "Miles, Anthony John"]
[WhiteElo "2555"]
[BlackElo "2555"]
[Result "0-1"]
[ECO "D25"]
[EventDate "1977.06.28"]
[PlyCount "66"]

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 5.Bxc4 e6 6.Qb3 Bxf3 7.gxf3 Nbd7 8.
Qxb7 c5 9.dxc5 Bxc5 10.Nc3 O-O 11.f4 Nb6 12.Be2 Nfd5 13.O-O Qh4 14.Bf3 
Rab8 15.Qa6 Nxc3 16.bxc3 f5 17.Bg2 Rf6 18.h3 Rg6 19.Kh1 Rf8 20.Qe2 Rff6 
21.Bd2 Rg4 22.Rg1 Rfg6 23.Qf3 Nc4 24.Be1 h6 25.Rb1 Bd6 26.Rb7 Kh7 27.Rf7 
Qh5 28.Rd7 Rxg2 29.Qxg2 Rxg2 30.Rxg2 Bf8 31.Rxa7 Qe2 32.Rg1 Nxe3 33.fxe3 
Qxe3 0-1

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "15"]
[White "Ree, Hans"]
[Black "Van Wijgerden, Cornelis"]
[WhiteElo "2460"]
[BlackElo "2430"]
[Result "1-0"]
[ECO "A42"]
[EventDate "1977.06.28"]
[PlyCount "111"]

1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 Nc6 5.Be3 e5 6.d5 Nce7 7.g4 Nf6 8.h3 h5 9.
g5 Nh7 10.Qd2 O-O 11.O-O-O Bd7 12.f4 exf4 13.Bxf4 a6 14.Nf3 b5 15.e5 Nf5 
16.h4 Re8 17.Re1 Qb8 18.Bd3 bxc4 19.Bxc4 Qb4 20.Bb3 a5 21.Re4 Qb7 22.Rhe1 
Kh8 23.exd6 cxd6 24.Rxe8+ Bxe8 25.Bc2 Qb4 26.a3 Qc5 27.Bxf5 gxf5 28.Be3 
Qc7 29.Bd4 Rb8 30.Bxg7+ Kxg7 31.Nd4 Bd7 32.g6 Nf6 33.Re7 Qd8 34.Rxf7+ Kxg6
35.Ne6 Kxf7 36.Nxd8+ Rxd8 37.Qd4 Rg8 38.Qb6 a4 39.Qxd6 Rg1+ 40.Kc2 Rg4 41.
b4 axb3+ 42.Kxb3 Rxh4 43.a4 Rh3 44.Qc7 f4 45.Qxf4 Kg6 46.Qe5 Rd3 47.a5 Bf5
48.Kc4 Ng4 49.Qd6+ Kg5 50.Qe7+ Kg6 51.Ne4 Rf3 52.Qg5+ Kh7 53.Qxh5+ Kg7 54.
Qg5+ Kh7 55.Kd4 Rf1 56.Nf6+ 1-0

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "15"]
[White "Reshevsky, Samuel Herman"]
[Black "Donner, Jan"]
[WhiteElo "2490"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "D35"]
[EventDate "1977.06.28"]
[PlyCount "113"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.cxd5 exd5 6.Bg5 c6 7.Bxf6 Bxf6 8.b4 
Bg4 9.e3 Bxf3 10.gxf3 Nd7 11.Be2 Be7 12.Qb3 Bd6 13.e4 dxe4 14.fxe4 Qb6 15.
Rd1 Qxb4 16.Qc2 Nb6 17.Kf1 Rd8 18.Rg1 Bxh2 19.Rg2 Bc7 20.a3 Qe7 21.e5 O-O 
22.Ne4 Bxe5 23.dxe5 Rxd1+ 24.Bxd1 Qxe5 25.Qc3 Qxc3 26.Nxc3 Rd8 27.Rg3 Nc4 
28.a4 Kf8 29.Be2 Rd4 30.Bd3 Ne5 31.Bc2 h5 32.Ke2 g6 33.Ne4 b6 34.Ng5 Rg4 
35.Rxg4 Nxg4 36.Be4 c5 37.Bd5 f6 38.Ne4 Ke7 39.f4 Nh6 40.Nc3 Nf5 41.Ba2 
Nd4+ 42.Kf2 Kf8 43.Ne4 Ke7 44.Nc3 f5 45.Nd5+ Kd6 46.Nc3 Ke7 47.Nd5+ Kf8 
48.Nc7 Kg7 49.Ne8+ Kh6 50.Nd6 h4 51.Bc4 Nc2 52.Nc8 Na3 53.Bf1 c4 54.Nxa7 
g5 55.fxg5+ Kxg5 56.Nc8 c3 57.Bd3 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "15"]
[White "Tatai, Stefano"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2480"]
[BlackElo "2530"]
[Result "1/2-1/2"]
[ECO "B17"]
[EventDate "1977.06.28"]
[PlyCount "24"]

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Nxf6+ Nxf6 7.Bc4 Bf5 8.
O-O e6 9.Bf4 Bd6 10.Bxd6 Qxd6 11.c3 O-O 12.Re1 c5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "15"]
[White "Timman, Jan"]
[Black "Hulak, Krunoslav"]
[WhiteElo "2590"]
[BlackElo "2525"]
[Result "1/2-1/2"]
[ECO "B97"]
[EventDate "1977.06.28"]
[PlyCount "76"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qb6 8.Nb3 Be7
9.Qf3 Nbd7 10.O-O-O Qc7 11.Be2 h6 12.Bh4 g5 13.fxg5 Ne5 14.Qf2 Nfg4 15.
Bxg4 Nxg4 16.Qf4 Ne5 17.gxh6 Ng6 18.Bxe7 Nxf4 19.Bxd6 Qb6 20.Bxf4 Bd7 21.
g4 Bc6 22.g5 O-O 23.h4 Rad8 24.Rdg1 Kh7 25.Rg2 Rg8 26.Rf1 f6 27.Rg3 fxg5 
28.Be3 Qc7 29.Rgf3 Be8 30.Bxg5 Rd7 31.Bf4 Qc4 32.Be3 Bh5 33.Rf4 Rg3 34.e5 
Qxf1+ 35.Rxf1 Rxe3 36.Nc5 Rf7 37.Rxf7+ Bxf7 38.Nxb7 Rxe5 1/2-1/2

[Event "17th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1977.06.??"]
[Round "15"]
[White "Torre, Eugenio"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2550"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "C92"]
[EventDate "1977.06.28"]
[PlyCount "22"]

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 Re8 10.Ng5 Rf8 11.Nf3 Re8 1/2-1/2

