[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "1"]
[White "Bohm, Hans"]
[Black "Razuvaev, Yury"]
[WhiteElo "2300"]
[BlackElo "2515"]
[Result "1/2-1/2"]
[ECO "D90"]
[EventDate "1975.07.??"]
[PlyCount "58"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.cxd5 Nxd5 6.Bd2 O-O 7.e4 Nb6 8.Be3 
Bg4 9.Be2 Nc6 10.d5 Bxf3 11.gxf3 Na5 12.Bd4 e5 13.Bc5 Re8 14.b3 c6 15.dxc6
Nxc6 16.Qxd8 Rexd8 17.Nb5 Bf8 18.Be3 Bb4+ 19.Kf1 Nd4 20.Rc1 Nxb5 21.Bxb5 
Bd2 22.Bxb6 Bxc1 23.Bxd8 Rxd8 24.Kg2 Ba3 25.Re1 Rd2 26.Re2 Rxe2 27.Bxe2 
Kg7 28.Kg3 Kf6 29.Bc4 Bc1 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "1"]
[White "Jansa, Vlastimil"]
[Black "Szabo, Laszlo"]
[WhiteElo "2540"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "B36"]
[EventDate "1975.07.??"]
[PlyCount "113"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nc6 5.c4 Nf6 6.Nc3 g6 7.Be2 Nxd4 8.Qxd4 
Bg7 9.Bg5 O-O 10.Qd2 Be6 11.Rc1 Qa5 12.f3 Rfc8 13.b3 Bd7 14.O-O a6 15.f4 
Bc6 16.Qe3 b5 17.e5 b4 18.exf6 exf6 19.Nd5 Bxd5 20.Bh4 Re8 21.Qd2 Be4 22.
f5 Qc5+ 23.Kh1 Bxf5 24.Bf2 Qc6 25.Bf3 Be4 26.Bxe4 Rxe4 27.Qxb4 f5 28.Qb6 
Rc8 29.Qxc6 Rxc6 30.Rfe1 Be5 31.Rcd1 Kg7 32.Bg3 Bxg3 33.hxg3 Kf6 34.Kg1 
Ke6 35.Kf2 Rc5 36.Re2 Rxe2+ 37.Kxe2 Re5+ 38.Kf3 h5 39.Kf2 Kd7 40.Kf3 Kc6 
41.Rd2 Kc5 42.Rd1 a5 43.Rd2 a4 44.bxa4 Re4 45.Rd5+ Kc6 46.Ra5 Rxc4 47.Ra7 
f6 48.Rf7 Rxa4 49.Rxf6 Rg4 50.a4 Kd7 51.Rf7+ Ke6 52.Ra7 g5 53.a5 Ra4 54.a6
Ra3+ 55.Kf2 Ra2+ 56.Kf1 g4 57.Ra8 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "1"]
[White "Kavalek, Lubomir"]
[Black "Raicevic, Vladimir"]
[WhiteElo "2555"]
[BlackElo "2440"]
[Result "1-0"]
[ECO "E18"]
[EventDate "1975.07.??"]
[PlyCount "94"]

1.Nf3 d5 2.c4 e6 3.g3 Nf6 4.Bg2 Be7 5.O-O O-O 6.d4 b6 7.Nc3 Bb7 8.Ne5 c6 
9.e4 Nbd7 10.Nxc6 Bxc6 11.exd5 exd5 12.cxd5 Bb7 13.d6 Bxg2 14.dxe7 Qxe7 
15.Kxg2 Rfe8 16.Qf3 Qb4 17.Rd1 Rac8 18.Rb1 a5 19.Bg5 a4 20.a3 Qb3 21.Rd3 
Qc4 22.Rbd1 Re6 23.Bxf6 Nxf6 24.d5 Re5 25.Rd4 Qb3 26.Rb4 Qc2 27.Qd3 Qxd3 
28.Rxd3 Nd7 29.Rxa4 Nc5 30.Rc4 f5 31.Rd1 Rd8 32.b4 Ne4 33.Nxe4 fxe4 34.a4 
e3 35.fxe3 Rxe3 36.Rd2 Ra3 37.b5 Rd7 38.d6 Kf7 39.h4 h5 40.Rc7 Ke8 41.Rc8+
Kf7 42.Rd4 Kf6 43.Re8 Kf7 44.Re5 Ra2+ 45.Kh3 Rf2 46.Rxh5 Ke6 47.Rg5 Rf6 
1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "1"]
[White "Ljubojevic, Ljubomir"]
[Black "Hamann, Svend"]
[WhiteElo "2615"]
[BlackElo "2485"]
[Result "1/2-1/2"]
[ECO "B89"]
[EventDate "1975.07.??"]
[PlyCount "75"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 e6 7.Be3 Be7 8.Qe2 
a6 9.O-O-O Qc7 10.Bb3 Na5 11.g4 b5 12.g5 Nxb3+ 13.axb3 Nd7 14.h4 b4 15.Na2
Bb7 16.h5 Qa5 17.Kb1 Bxe4 18.f3 Bf5 19.Nxb4 Qxb4 20.Nxf5 exf5 21.Bd4 Nc5 
22.h6 Ne6 23.hxg7 Rg8 24.Bf6 Kd7 25.Rxh7 Rae8 26.Rh8 Bxf6 27.Rxg8 Bxg7 28.
Rxe8 Kxe8 29.Qxa6 Be5 30.Rh1 Qd2 31.Qc8+ Ke7 32.Qb7+ Kf8 33.Qa8+ Ke7 34.
Qa7+ Kf8 35.Qb8+ Ke7 36.Qb7+ Kf8 37.Qc8+ Ke7 38.Qb7+ 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "1"]
[White "Ree, Hans"]
[Black "Timman, Jan"]
[WhiteElo "2470"]
[BlackElo "2510"]
[Result "1/2-1/2"]
[ECO "A39"]
[EventDate "1975.07.??"]
[PlyCount "82"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nc3 c5 6.Nf3 cxd4 7.Nxd4 Nc6 8.O-O 
Nxd4 9.Qxd4 d6 10.Qd3 Bf5 11.e4 Be6 12.Bd2 Nd7 13.b3 a6 14.Qe2 Nc5 15.Rac1
b5 16.cxb5 axb5 17.Qxb5 Bc8 18.Rfd1 Ba6 19.Qc6 Rc8 20.Qd5 Nd3 21.Bf1 Nxc1 
22.Bxa6 Rc5 23.Qb7 Bxc3 24.Bxc1 Rc7 25.Qb6 Ba5 26.Qe3 Bc3 27.Qd3 Qa8 28.
Bc4 Bg7 29.a4 Rfc8 30.Be3 h5 31.Rc1 h4 32.gxh4 e6 33.Rf1 Rd7 34.Rd1 d5 35.
exd5 exd5 36.Bb5 Rc3 37.Qd2 Rd6 38.Bf4 Rd8 39.Bg5 Rd6 40.Bf4 Rd8 41.Bg5 
Rd6 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "1"]
[White "Smejkal, Jan"]
[Black "Huebner, Robert"]
[WhiteElo "2600"]
[BlackElo "2615"]
[Result "1/2-1/2"]
[ECO "A41"]
[EventDate "1975.07.??"]
[PlyCount "133"]

1.Nf3 g6 2.c4 Bg7 3.d4 d6 4.g3 e5 5.dxe5 dxe5 6.Qxd8+ Kxd8 7.Nc3 c6 8.Be3 
Kc7 9.O-O-O Na6 10.b4 Nh6 11.b5 Nb8 12.Bc5 Rd8 13.Rxd8 Kxd8 14.Bg2 Be6 15.
Rd1+ Kc8 16.Ne4 Nd7 17.bxc6 bxc6 18.Ba3 Nf5 19.Nfg5 Bh6 20.e3 Bxc4 21.g4 
Nh4 22.Nd6+ Kc7 23.Nxc4 Bxg5 24.Bh1 Re8 25.Bd6+ Kb7 26.Ba3 Kc7 27.Bd6+ Kb7
28.Bb4 Kc7 29.Nd6 Re6 30.Nxf7 Be7 31.Bxe7 Rxe7 32.Ng5 Nc5 33.Ne4 Nxe4 34.
Bxe4 Rf7 35.Rd2 Nf3 36.Rc2 Nxh2 37.Rxc6+ Kd7 38.Ra6 Ke8 39.g5 Ng4 40.f3 
Nxe3 41.Kd2 Ng2 42.Ra5 Re7 43.Bd3 Nf4 44.Bb5+ Kf7 45.Bc4+ Kg7 46.Bf1 h5 
47.gxh6+ Kxh6 48.Ke3 Nh5 49.Bd3 Nf6 50.Be4 Kg7 51.Ra6 g5 52.Ra5 g4 53.fxg4
Nxg4+ 54.Kf3 Nf6 55.Ke3 Kh6 56.Ra6 Kg5 57.Ra5 Ng4+ 58.Kf3 Nh2+ 59.Kg2 Kf4 
60.Ra4 Ng4 61.Bf3+ e4 62.Bxe4 Ne3+ 63.Kh3 Rxe4 64.Rxa7 Nf5 65.Rf7 Ra4 66.
Kg2 Rxa2+ 67.Kf1 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "1"]
[White "Sosonko, Gennadi"]
[Black "Gheorghiu, Florin"]
[WhiteElo "2470"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "E92"]
[EventDate "1975.07.??"]
[PlyCount "30"]

1.d4 Nf6 2.c4 c5 3.d5 e5 4.Nc3 d6 5.e4 g6 6.Be2 Bg7 7.Nf3 O-O 8.Bg5 h6 9.
Bh4 Qc7 10.Nd2 Nh7 11.Nb5 Qd7 12.a3 Bf6 13.Bxf6 Nxf6 14.O-O Qe7 15.Qc2 Bg4
1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "1"]
[White "Uhlmann, Wolfgang"]
[Black "Makarichev, Sergei"]
[WhiteElo "2535"]
[BlackElo "2440"]
[Result "0-1"]
[ECO "A29"]
[EventDate "1975.07.??"]
[PlyCount "122"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Bb4 5.Bg2 O-O 6.O-O e4 7.Ng5 Bxc3 8.bxc3 
Re8 9.f3 exf3 10.Nxf3 d5 11.cxd5 Qxd5 12.Nd4 Qh5 13.Nxc6 bxc6 14.e3 Bg4 
15.Bf3 Qg6 16.Bxg4 Nxg4 17.Qe2 Rad8 18.Ba3 h5 19.Rab1 a5 20.Rb7 Rd7 21.Qg2
Qe6 22.Bc1 Ne5 23.Qe4 Nd3 24.Qxe6 Rxe6 25.Ba3 Re4 26.Rf5 Ra4 27.Rxh5 g6 
28.Rb8+ Kg7 29.Bf8+ Kf6 30.Rh4 Rxa2 31.Rb1 Rd5 32.Rf1+ Rf5 33.Rxf5+ Kxf5 
34.Rd4 Rxd2 35.Kf1 Ke6 36.h4 f5 37.Bc5 Kf7 38.Rd7+ Ke8 39.Rd4 a4 40.Bb4 
Rf2+ 41.Kg1 Rd2 42.Kf1 c5 43.Bxc5 Rf2+ 44.Kg1 Nxc5 45.Kxf2 a3 46.Rd1 Nb3 
47.e4 fxe4 48.Ke3 a2 49.g4 Kf7 50.c4 a1=Q 51.Rxa1 Nxa1 52.Kxe4 Kf6 53.Kd5 
Nc2 54.Kc6 Ne3 55.c5 Nxg4 56.Kxc7 Ne5 57.Kd6 Kf5 58.Ke7 Nd3 59.Kf7 Nxc5 
60.Kg7 Nd3 61.Kh6 Nf4 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "2"]
[White "Gheorghiu, Florin"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2540"]
[BlackElo "2555"]
[Result "1/2-1/2"]
[ECO "C88"]
[EventDate "1975.07.??"]
[PlyCount "43"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.h3 Bb7
9.Nc3 d6 10.Nd5 Na5 11.Nxe7+ Qxe7 12.d3 Nxb3 13.axb3 Rfe8 14.Bg5 h6 15.Bh4
Qe6 16.Nd2 d5 17.Qf3 dxe4 18.Nxe4 Nxe4 19.dxe4 f6 20.Qc3 Qc6 21.Qxc6 Bxc6 
22.f3 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "2"]
[White "Hamann, Svend"]
[Black "Smejkal, Jan"]
[WhiteElo "2485"]
[BlackElo "2600"]
[Result "1/2-1/2"]
[ECO "C68"]
[EventDate "1975.07.??"]
[PlyCount "102"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O Qd6 6.Na3 b5 7.d3 Ne7 8.Be3 
Ng6 9.c4 Bg4 10.h3 Bxf3 11.Qxf3 Be7 12.Rfd1 Qf6 13.Qxf6 Bxf6 14.g3 Nf8 15.
Nc2 Ne6 16.a4 bxc4 17.dxc4 Rb8 18.b4 Bg5 19.Bxg5 Nxg5 20.Kg2 Ne6 21.Kf3 
Ke7 22.Ke3 Rhd8 23.f4 Rxd1 24.Rxd1 c5 25.b5 Ra8 26.fxe5 axb5 27.axb5 Ra4 
28.Kd3 Ng5 29.Ra1 Rxa1 30.Nxa1 Nf3 31.Nb3 Nxe5+ 32.Kc3 Kd6 33.Na5 Nd7 34.
Nc6 h5 35.h4 f6 36.Kd2 Ne5 37.Na5 Nd7 38.Ke3 g5 39.Nb7+ Ke5 40.Nd8 gxh4 
41.gxh4 Nf8 42.Nc6+ Ke6 43.Nd8+ Kd7 44.Nb7 Ne6 45.e5 f5 46.Na5 Ke7 47.Nb3 
Kf7 48.Nc1 Nf8 49.Nd3 Ne6 50.Kf3 Ke7 51.Ke3 Kf7 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "2"]
[White "Huebner, Robert"]
[Black "Bohm, Hans"]
[WhiteElo "2615"]
[BlackElo "2300"]
[Result "1/2-1/2"]
[ECO "D18"]
[EventDate "1975.07.??"]
[PlyCount "84"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O 
Nbd7 9.Qe2 Bg6 10.Rd1 Qc7 11.Bd3 e5 12.dxe5 Nxe5 13.Nxe5 Qxe5 14.e4 Bh5 
15.f3 Bd6 16.g3 g5 17.Be3 Bc5 18.Bc2 O-O 19.Rd2 Rad8 20.Rad1 Rxd2 21.Rxd2 
Re8 22.Qf2 Bxe3 23.Qxe3 Nd5 24.Nxd5 cxd5 25.Qb3 dxe4 26.Rd5 Qe7 27.Bxe4 
Bg6 28.Qd3 g4 29.Bxg6 hxg6 30.fxg4 Qe1+ 31.Qf1 Qe3+ 32.Qf2 Qc1+ 33.Kg2 Qc6
34.Qf3 Qxa4 35.Rd2 Qb4 36.Rc2 Qe7 37.h4 b6 38.g5 Qe5 39.b4 Kg7 40.Rf2 Qe4 
41.Qxe4 Rxe4 42.Ra2 Rxb4 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "2"]
[White "Makarichev, Sergei"]
[Black "Raicevic, Vladimir"]
[WhiteElo "2440"]
[BlackElo "2440"]
[Result "0-1"]
[ECO "C11"]
[EventDate "1975.07.??"]
[PlyCount "54"]

1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.e5 Nfd7 5.f4 c5 6.Nf3 Nc6 7.Be3 Be7 8.Be2 O-O 
9.dxc5 Bxc5 10.Bxc5 Nxc5 11.Qd2 a6 12.O-O-O b5 13.Nd4 Bb7 14.Nxc6 Bxc6 15.
Qe3 Qb6 16.Qd4 b4 17.Nb1 Rfc8 18.Nd2 Ba4 19.b3 Qc6 20.Kb1 Bb5 21.Bf3 a5 
22.Rc1 a4 23.c4 bxc3 24.Rxc3 axb3 25.Rhc1 Qa6 26.a4 Bd3+ 27.Rxd3 Nxd3 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "2"]
[White "Razuvaev, Yury"]
[Black "Ree, Hans"]
[WhiteElo "2515"]
[BlackElo "2470"]
[Result "1-0"]
[ECO "B81"]
[EventDate "1975.07.??"]
[PlyCount "53"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 a6 7.g5 Nfd7 8.Bg2 Nc6
9.h4 Nxd4 10.Qxd4 b5 11.a4 e5 12.Qd1 bxa4 13.f4 Bb7 14.f5 Rc8 15.O-O a3 
16.Rxa3 d5 17.Rb3 Nc5 18.Rxb7 Nxb7 19.Nxd5 Bc5+ 20.Kh2 O-O 21.Qg4 Kh8 22.
Qh5 Qe8 23.c3 a5 24.Qg4 Nd6 25.h5 Nc4 26.g6 Nb6 27.Nf6 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "2"]
[White "Szabo, Laszlo"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2545"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "E48"]
[EventDate "1975.07.??"]
[PlyCount "66"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.a3 dxc4 7.Bxc4 Bd6 8.Nf3 
Nc6 9.Nb5 e5 10.dxe5 Nxe5 11.Nxd6 Nxf3+ 12.gxf3 cxd6 13.Qd4 Bf5 14.Bd2 Qd7
15.Bc3 Bg6 16.Rg1 Qf5 17.Rg3 Rfc8 18.Rd1 Rc6 19.Bd3 Qe6 20.Qh4 Rc5 21.Bxf6
Qxf6 22.Qxf6 gxf6 23.Bxg6 hxg6 24.Rxd6 Rc2 25.Rd2 Rxd2 26.Kxd2 Rd8+ 27.Ke1
f5 28.Rg1 Rd3 29.Ke2 Rb3 30.Rb1 f4 31.Kd2 fxe3+ 32.Kc2 Rb5 33.fxe3 Rh5 
1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "2"]
[White "Timman, Jan"]
[Black "Jansa, Vlastimil"]
[WhiteElo "2510"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "B81"]
[EventDate "1975.07.??"]
[PlyCount "34"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g4 h6 7.Bg2 Nc6 8.h3 Bd7 
9.Ndb5 Qb8 10.a4 a6 11.Na3 Qc7 12.Be3 Rb8 13.f4 Be7 14.Qd2 O-O 15.Qf2 b6 
16.O-O Na5 17.Qe2 Bc8 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "2"]
[White "Uhlmann, Wolfgang"]
[Black "Ljubojevic, Ljubomir"]
[WhiteElo "2535"]
[BlackElo "2615"]
[Result "0-1"]
[ECO "A34"]
[EventDate "1975.07.??"]
[PlyCount "74"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.g3 b6 5.Bg2 Bb7 6.d4 cxd4 7.Qxd4 a6 8.O-O d6 
9.b3 Nbd7 10.Bb2 Be7 11.Rfd1 O-O 12.e4 Qb8 13.Nd2 Rc8 14.Qe3 b5 15.cxb5 
axb5 16.a3 Bc6 17.b4 Nb6 18.Rac1 Ng4 19.Qf4 Ne5 20.Bf1 Nbc4 21.Nxc4 Bg5 
22.Nxe5 Bxf4 23.Nxc6 Bxc1 24.Nxb8 Bxb2 25.Nxb5 Rcxb8 26.Rb1 Bxa3 27.Rb3 
Bc1 28.Nxd6 Ra4 29.b5 Ba3 30.Nc4 Bc5 31.Ne5 Ra2 32.Rf3 Rd8 33.Bc4 Rc2 34.
Bb3 Rb2 35.Kg2 Rdd2 36.Nd3 Rxb3 37.Nxc5 Rxf3 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "3"]
[White "Bohm, Hans"]
[Black "Hamann, Svend"]
[WhiteElo "2300"]
[BlackElo "2485"]
[Result "1/2-1/2"]
[ECO "D03"]
[EventDate "1975.07.??"]
[PlyCount "46"]

1.d4 Nf6 2.Nf3 e6 3.Bg5 d5 4.e3 h6 5.Bh4 g5 6.Bg3 Ne4 7.Nfd2 Nxg3 8.hxg3 
Bg7 9.c3 Nd7 10.Bd3 c5 11.O-O Qb6 12.Qa4 Qxb2 13.Nb3 c4 14.Rd1 b5 15.Qa5 
cxb3 16.axb3 b4 17.Qa4 O-O 18.Ra2 Nb6 19.Rxb2 Nxa4 20.bxa4 Bd7 21.Bb5 Bxb5
22.axb5 bxc3 23.Nxc3 Rfc8 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "3"]
[White "Jansa, Vlastimil"]
[Black "Razuvaev, Yury"]
[WhiteElo "2540"]
[BlackElo "2515"]
[Result "1/2-1/2"]
[ECO "C66"]
[EventDate "1975.07.??"]
[PlyCount "39"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 d6 4.O-O Bd7 5.Nc3 Nf6 6.d4 exd4 7.Nxd4 Be7 8.Bxc6
bxc6 9.Qf3 O-O 10.b3 c5 11.Nf5 Bxf5 12.Qxf5 Nd7 13.Nd5 Bf6 14.Rb1 Re8 15.
Nxf6+ Nxf6 16.f3 Nd7 17.Bb2 Qe7 18.Rbd1 Qe6 19.Qg5 f6 20.Qd2 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "3"]
[White "Kavalek, Lubomir"]
[Black "Szabo, Laszlo"]
[WhiteElo "2555"]
[BlackElo "2545"]
[Result "1-0"]
[ECO "B06"]
[EventDate "1975.07.??"]
[PlyCount "84"]

1.e4 g6 2.d4 d6 3.Nc3 c6 4.a4 Bg7 5.Be2 Nd7 6.Nf3 Qc7 7.Be3 Ngf6 8.Nd2 O-O
9.O-O a5 10.f4 Nb6 11.g4 Ne8 12.Qe1 f5 13.gxf5 gxf5 14.e5 Nd5 15.Nxd5 cxd5
16.c3 Qb6 17.Rf3 Qxb2 18.Bb5 Be6 19.Rb1 Qc2 20.Rc1 Qb2 21.Rf2 Qa3 22.Nb1 
Qb3 23.Rcc2 Nc7 24.Rb2 Qxb2 25.Rxb2 Nxb5 26.Rxb5 Ra7 27.Rb6 Bd7 28.Qd1 Kh8
29.Na3 Rg8 30.Kf1 Bc6 31.Nb5 Raa8 32.Nc7 Rac8 33.Ne6 Bh6 34.Qh5 Rg6 35.Ng5
Bxg5 36.fxg5 f4 37.Bxf4 Rf8 38.Qg4 dxe5 39.dxe5 d4 40.cxd4 Bf3 41.Qxf3 
Rxb6 42.Kg2 Rb4 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "3"]
[White "Ljubojevic, Ljubomir"]
[Black "Makarichev, Sergei"]
[WhiteElo "2615"]
[BlackElo "2440"]
[Result "0-1"]
[ECO "C42"]
[EventDate "1975.07.??"]
[PlyCount "56"]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1 
Bg4 9.c3 f5 10.Qb3 O-O 11.Nfd2 Nxf2 12.Kxf2 Bh4+ 13.g3 f4 14.Kg2 fxg3 15.
Be4 Bh3+ 16.Kg1 gxh2+ 17.Kxh2 Qd6+ 18.Kh1 Bxe1 19.Qxd5+ Qxd5 20.Bxd5+ Kh8 
21.Nf3 Bg3 22.Ng1 Bf1 23.Nd2 Rae8 24.Ne4 Rxe4 25.Bxe4 Rf2 26.Nf3 Bg2+ 27.
Kg1 Bxf3 28.Bxf3 Rxf3 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "3"]
[White "Raicevic, Vladimir"]
[Black "Gheorghiu, Florin"]
[WhiteElo "2440"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1975.07.??"]
[PlyCount "66"]

1.c4 g6 2.g3 Bg7 3.Bg2 c5 4.Nc3 Nc6 5.a3 a6 6.Rb1 Rb8 7.b4 cxb4 8.axb4 b5 
9.cxb5 axb5 10.e4 e5 11.Nge2 Nge7 12.O-O O-O 13.d3 d6 14.h3 h6 15.Kh2 Kh7 
16.f4 exf4 17.Bxf4 Ne5 18.Be3 Be6 19.Nd4 Bd7 20.Qd2 f5 21.Rbc1 fxe4 22.
Bxe4 Rxf1 23.Rxf1 Qc8 24.Bg2 Qd8 25.Ra1 Nf5 26.Nxf5 Bxf5 27.Ra7 g5 28.Ne4 
Kh8 29.Qf2 Qf8 30.Bd4 Bxe4 31.Bxe4 Qxf2+ 32.Bxf2 d5 33.Bxd5 Nxd3 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "3"]
[White "Ree, Hans"]
[Black "Huebner, Robert"]
[WhiteElo "2470"]
[BlackElo "2615"]
[Result "1/2-1/2"]
[ECO "A41"]
[EventDate "1975.07.??"]
[PlyCount "50"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.Nf3 Bg4 5.e3 Nf6 6.Be2 O-O 7.O-O c5 8.h3 Bf5 
9.d5 e5 10.dxe6 Bxe6 11.Ng5 Nc6 12.Nxe6 fxe6 13.b3 Qe7 14.Bb2 Rad8 15.Qc2 
d5 16.cxd5 exd5 17.Rad1 d4 18.exd4 Nxd4 19.Bc4+ Kh8 20.Qb1 Nh5 21.Qe4 Qg5 
22.Qg4 Qxg4 23.hxg4 Nf6 24.f3 Nd7 25.Nb5 Nxb5 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "3"]
[White "Smejkal, Jan"]
[Black "Uhlmann, Wolfgang"]
[WhiteElo "2600"]
[BlackElo "2535"]
[Result "0-1"]
[ECO "B08"]
[EventDate "1975.07.??"]
[PlyCount "154"]

1.Nf3 g6 2.e4 d6 3.d4 Nf6 4.Nc3 Bg7 5.h3 O-O 6.Be3 c6 7.a4 a5 8.Be2 Qc7 9.
O-O e5 10.dxe5 dxe5 11.Bc4 Na6 12.Qe2 Qe7 13.Rfd1 Nc5 14.Bxc5 Qxc5 15.Bb3 
Nh5 16.Qd2 Nf4 17.Qd6 Qxd6 18.Rxd6 Ne6 19.Rd2 Re8 20.Rad1 Bf6 21.Bc4 Nd4 
22.Nxd4 exd4 23.Ne2 Rxe4 24.f3 Rh4 25.b3 c5 26.Ng3 b6 27.Ne4 Be7 28.Re2 
Bb7 29.Nf2 Bd6 30.Rde1 Kf8 31.Ne4 Be7 32.Nf2 Bd8 33.Re8+ Kg7 34.Ng4 h5 35.
Ne5 Rf4 36.Nd3 Rf5 37.R1e5 Bc6 38.Rxf5 Bxe8 39.Re5 Bf6 40.Re2 Bd7 41.Kf2 
Kf8 42.Nb2 Bh4+ 43.Kf1 Bg3 44.Bb5 Be6 45.Bc4 Bc8 46.Bb5 Bb7 47.Nc4 Bc7 48.
Ne5 Bxe5 49.Rxe5 h4 50.Ke2 Rd8 51.Kd2 Bd5 52.Bc4 Bxc4 53.bxc4 Re8 54.Rxe8+
Kxe8 55.Kd3 Ke7 56.Ke4 Ke6 57.f4 Kd6 58.Kf3 Ke7 59.g4 hxg3 60.Kxg3 Kf6 61.
Kg4 Ke6 62.h4 Kf6 63.Kg3 Kf5 64.Kf3 f6 65.Kg3 Ke4 66.Kg4 Ke3 67.f5 gxf5+ 
68.Kxf5 Kd2 69.h5 Kxc2 70.h6 d3 71.h7 d2 72.h8=Q d1=Q 73.Qb8 Qf1+ 74.Kg6 
Qxc4 75.Qxb6 Qb4 76.Qxf6 Kb3 77.Qa1 Qc3 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "3"]
[White "Sosonko, Gennadi"]
[Black "Timman, Jan"]
[WhiteElo "2470"]
[BlackElo "2510"]
[Result "1-0"]
[ECO "D99"]
[EventDate "1975.07.??"]
[PlyCount "81"]

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 Nc6 11.d5 Ne5 12.Be2 Nxf3+ 13.gxf3 Bh5 14.Rg1 Qd7 
15.Rg3 Kh8 16.Nb5 f5 17.Bd4 fxe4 18.Bxg7+ Kxg7 19.Nd4 exf3 20.Ne6+ Kg8 21.
Bxf3 Bxf3 22.Rxf3 Rf6 23.Kf1 Re8 24.Re3 Kh8 25.Kg1 c6 26.dxc6 Qxc6 27.Ng5 
Rf5 28.Ne6 Rf6 29.Ng5 Rf5 30.Ne6 Qc4 31.Qxc4 Nxc4 32.Rc3 Nd6 33.Rc7 Re5 
34.Nf4 Rd8 35.Rd5 Re4 36.Nd3 Kg7 37.f3 Re6 38.Nc5 Rf6 39.Rxe7+ Kh6 40.Ne4 
Rf7 41.Rxd6 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "4"]
[White "Hamann, Svend"]
[Black "Ree, Hans"]
[WhiteElo "2485"]
[BlackElo "2470"]
[Result "1-0"]
[ECO "C66"]
[EventDate "1975.07.??"]
[PlyCount "63"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Bxc6 Bxc6 8.Qd3 
exd4 9.Nxd4 Bd7 10.b3 O-O 11.Bb2 Re8 12.Rae1 Bf8 13.f4 g6 14.e5 Ng4 15.Ne4
dxe5 16.h3 Nf6 17.fxe5 Nxe4 18.Qxe4 Bc5 19.Qd5 Bxd4+ 20.Bxd4 Be6 21.Qe4 
Qd5 22.Qf4 Rad8 23.Bf2 b6 24.Kh2 Rd7 25.Bh4 Qc5 26.Bf6 Rd4 27.Qg5 a5 28.
Rd1 Rxd1 29.Rxd1 h5 30.Rd4 Rc8 31.Qh6 Qf8 32.Qh8# 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "4"]
[White "Huebner, Robert"]
[Black "Jansa, Vlastimil"]
[WhiteElo "2615"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "A37"]
[EventDate "1975.07.??"]
[PlyCount "70"]

1.c4 g6 2.Nc3 c5 3.Nf3 Bg7 4.g3 Nc6 5.Bg2 e6 6.O-O Nge7 7.d3 O-O 8.Bd2 b6 
9.a3 d5 10.Rb1 Bb7 11.Qa4 d4 12.Na2 a5 13.Qc2 a4 14.e4 Qd7 15.Rbe1 Na5 16.
Nc1 e5 17.Ng5 h6 18.Nh3 b5 19.f4 bxc4 20.dxc4 f6 21.Nf2 Bc6 22.Bh3 Qd6 23.
Ng4 g5 24.fxg5 fxg5 25.Rxf8+ Kxf8 26.Nf2 Kg8 27.Bg4 Nb7 28.Ncd3 Qg6 29.Bf3
Be8 30.b4 axb3 31.Qxb3 Qa6 32.Rb1 Nd6 33.Nxc5 Qxa3 34.Bb4 Qxb3 35.Nxb3 
Ndc8 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "4"]
[White "Ljubojevic, Ljubomir"]
[Black "Smejkal, Jan"]
[WhiteElo "2615"]
[BlackElo "2600"]
[Result "1/2-1/2"]
[ECO "C88"]
[EventDate "1975.07.??"]
[PlyCount "81"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 Bb7
9.d3 d6 10.Bd2 b4 11.c3 d5 12.exd5 Nxd5 13.Nxe5 Nxe5 14.Rxe5 Bf6 15.Re1 c5
16.a5 Qd6 17.d4 cxd4 18.cxb4 Nxb4 19.Qg4 Nd3 20.Re2 Nc5 21.Bf4 Qc6 22.Bd1 
Nd3 23.Rc2 h5 24.Rxc6 hxg4 25.Rb6 Bxg2 26.Bd6 Bh3 27.Ba4 Rfd8 28.Nd2 Nxb2 
29.Bc6 Rac8 30.Ba3 Nd3 31.Rxa6 Ne5 32.Be4 Bg5 33.Bb4 Bxd2 34.Bxd2 Nf3+ 35.
Bxf3 gxf3 36.Rb6 Bf5 37.a6 Be4 38.a7 f6 39.h4 Kh7 40.Kh2 Kg6 41.Kg3 
1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "4"]
[White "Makarichev, Sergei"]
[Black "Gheorghiu, Florin"]
[WhiteElo "2440"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "D42"]
[EventDate "1975.07.??"]
[PlyCount "31"]

1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5 Qxd5 5.d4 Nf6 6.Bd3 cxd4 7.cxd4 Nc6 8.O-O 
Be7 9.Nc3 Qd8 10.a3 O-O 11.Bg5 b6 12.Rc1 Bb7 13.Bb1 Rc8 14.Qd3 g6 15.Rfe1 
Re8 16.Bh6 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "4"]
[White "Razuvaev, Yury"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2515"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "B50"]
[EventDate "1975.07.??"]
[PlyCount "30"]

1.e4 c5 2.Nf3 d6 3.c3 Nf6 4.Bc4 e6 5.Qe2 Be7 6.Bb3 O-O 7.O-O b6 8.d3 Ba6 
9.Bf4 Nc6 10.Nbd2 d5 11.e5 Nh5 12.Bg3 b5 13.Rfd1 Nxg3 14.hxg3 b4 15.c4 d4 
1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "4"]
[White "Szabo, Laszlo"]
[Black "Raicevic, Vladimir"]
[WhiteElo "2545"]
[BlackElo "2440"]
[Result "1-0"]
[ECO "D62"]
[EventDate "1975.07.??"]
[PlyCount "67"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.cxd5 exd5 6.e3 Be7 7.Qc2 O-O 8.Bd3 
c5 9.Nf3 c4 10.Be2 Nb6 11.O-O g6 12.b3 Bf5 13.Qb2 Rc8 14.Rfc1 Ne4 15.Bxe7 
Qxe7 16.bxc4 Nxc3 17.Rxc3 Nxc4 18.Bxc4 Rxc4 19.Rxc4 dxc4 20.Rc1 Rc8 21.Ne5
f6 22.Nxc4 Qc7 23.d5 Qc5 24.e4 Bxe4 25.d6 Bf5 26.Qxb7 Qd4 27.h3 Rxc4 28.
Qb3 Be6 29.Rxc4 Bxc4 30.Qb8+ Kf7 31.Qc7+ Ke6 32.Qe7+ Kf5 33.d7 Qf4 34.Qc5+
1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "4"]
[White "Timman, Jan"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2510"]
[BlackElo "2555"]
[Result "0-1"]
[ECO "B99"]
[EventDate "1975.07.??"]
[PlyCount "66"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.Bd3 h6 11.Qh3 Nb6 12.Bh4 e5 13.Nf5 g6 14.Nxe7 Bxh3 15.Bxf6
Be6 16.f5 Rf8 17.Bb5+ Bd7 18.Ned5 Nxd5 19.Nxd5 Qa5 20.Bxd7+ Kxd7 21.a4 Qc5
22.b4 Qc6 23.a5 gxf5 24.exf5 Rg8 25.Nb6+ Ke8 26.g3 Rg4 27.Rhe1 Rb8 28.Bxe5
dxe5 29.Rxe5+ Kf8 30.Nd7+ Kg7 31.f6+ Kh7 32.Nxb8 Qc3 33.Rdd5 Rd4 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "4"]
[White "Uhlmann, Wolfgang"]
[Black "Bohm, Hans"]
[WhiteElo "2535"]
[BlackElo "2300"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1975.07.??"]
[PlyCount "38"]

1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.g3 Nd4 5.Bg2 Nxf3+ 6.Bxf3 Bc5 7.O-O a6 8.Rb1
d6 9.d3 h6 10.b4 Ba7 11.Bg2 O-O 12.a4 c6 13.b5 axb5 14.axb5 d5 15.bxc6 
bxc6 16.cxd5 cxd5 17.Nb5 Bb8 18.Bd2 Re8 19.Qc2 Bg4 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "5"]
[White "Bohm, Hans"]
[Black "Ljubojevic, Ljubomir"]
[WhiteElo "2300"]
[BlackElo "2615"]
[Result "1/2-1/2"]
[ECO "A45"]
[EventDate "1975.07.??"]
[PlyCount "65"]

1.d4 Nf6 2.Bg5 c5 3.d5 Qa5+ 4.c3 Qb6 5.Bxf6 Qxf6 6.e4 g6 7.Nd2 Bg7 8.Ngf3 
O-O 9.e5 Qb6 10.Nc4 Qd8 11.Bd3 d6 12.exd6 exd6 13.O-O Na6 14.a4 Nc7 15.Bc2
b6 16.Re1 Bb7 17.Ne3 a6 18.Qd2 b5 19.b3 f5 20.Rad1 f4 21.Nf1 Bxd5 22.Be4 
Bxb3 23.Bxa8 Nxa8 24.axb5 Bxd1 25.Qxd1 axb5 26.Qd5+ Kh8 27.Ng5 Bxc3 28.Re4
Nc7 29.Qf7 Bg7 30.Re7 Ne8 31.Qe6 Nf6 32.Nf7+ Rxf7 33.Rxf7 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "5"]
[White "Gheorghiu, Florin"]
[Black "Szabo, Laszlo"]
[WhiteElo "2540"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "D88"]
[EventDate "1975.07.??"]
[PlyCount "55"]

1.d4 g6 2.c4 Nf6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2
c5 9.O-O Nc6 10.Be3 cxd4 11.cxd4 Bg4 12.f3 Na5 13.Rc1 Nxc4 14.Rxc4 Bd7 15.
Qb3 Qa5 16.Rfc1 Rac8 17.Kf2 Rxc4 18.Rxc4 Rc8 19.Rxc8+ Bxc8 20.d5 Qc7 21.
Qa4 Bf8 22.Qxa7 Qxh2 23.Bf4 Qh4+ 24.Bg3 Qf6 25.Qa5 Bd7 26.Qc7 Bb5 27.Be5 
Qa6 28.Qc2 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "5"]
[White "Jansa, Vlastimil"]
[Black "Hamann, Svend"]
[WhiteElo "2540"]
[BlackElo "2485"]
[Result "1-0"]
[ECO "B92"]
[EventDate "1975.07.??"]
[PlyCount "144"]

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 O-O 11.Kh1 Nbd7 12.Be3 Rfc8 13.a5 Bc4 14.Nd2 Bxe2 15.
Qxe2 d5 16.Nxd5 Nxd5 17.exd5 Qxc2 18.fxe5 Nxe5 19.Bd4 Ng6 20.Qf3 Rf8 21.
Bc3 Nh4 22.Qg3 Qg6 23.d6 Bd8 24.Rf4 Qxg3 25.hxg3 Ng6 26.Rb4 Rb8 27.Ne4 b5 
28.axb6 Bxb6 29.Rxa6 Be3 30.Rxb8 Rxb8 31.Rc6 Nf8 32.b4 h5 33.Nc5 Kh7 34.
Rc7 Kg6 35.Re7 Bg5 36.Rc7 Bf6 37.Bd2 Be5 38.Bf4 Bxf4 39.gxf4 Rxb4 40.Rc8 
Rd4 41.Rxf8 Rxd6 42.Kh2 f6 43.Rg8 Rc6 44.Nd3 Rc7 45.Kg3 Kf5 46.Rd8 Rc3 47.
Kf3 h4 48.Rd5+ Ke6 49.Rd8 Kf5 50.Rd7 Ke6 51.Rd4 Kf5 52.Ke3 Ra3 53.Rd7 g6 
54.Rd6 g5 55.fxg5 fxg5 56.Rd5+ Kg4 57.Kf2 Ra2+ 58.Kg1 Ra4 59.Kh2 Kh5 60.
Ne5 Re4 61.Nf3 Rg4 62.Rd8 Ra4 63.Rg8 Ra5 64.Kh3 Rc5 65.Rh8+ Kg6 66.Re8 Kf6
67.Rd8 Kf5 68.Nd4+ Ke4 69.Kg4 Ke3 70.Nf5+ Kf2 71.Rd2+ Ke1 72.Ra2 Rc3 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "5"]
[White "Kavalek, Lubomir"]
[Black "Razuvaev, Yury"]
[WhiteElo "2555"]
[BlackElo "2515"]
[Result "1/2-1/2"]
[ECO "C92"]
[EventDate "1975.07.??"]
[PlyCount "80"]

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 Nd7 10.d4 Bf6 11.Be3 Na5 12.Bc2 Nc4 13.Bc1 Bb7 14.a4 exd4 15.cxd4 c5 
16.Nc3 cxd4 17.Nxd4 Qb6 18.Nf5 b4 19.Nd5 Bxd5 20.Qxd5 Rac8 21.Bb3 Rc5 22.
Qd1 Nxb2 23.Bxb2 Bxb2 24.Nxd6 Ne5 25.Ra2 Rc1 26.Rxb2 Rxd1 27.Rxd1 g6 28.
Rd5 Nc6 29.Nc4 Qc7 30.Rbd2 Qf4 31.f3 Re8 32.R2d3 Kf8 33.Rd6 Ne5 34.Nxe5 
Qxe5 35.Kf2 Rc8 36.Rd7 Rc7 37.Rxc7 Qxc7 38.h4 Ke7 39.g3 Qc1 40.f4 h6 
1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "5"]
[White "Raicevic, Vladimir"]
[Black "Timman, Jan"]
[WhiteElo "2440"]
[BlackElo "2510"]
[Result "0-1"]
[ECO "A19"]
[EventDate "1975.07.??"]
[PlyCount "70"]

1.c4 Nf6 2.Nc3 e6 3.e4 c5 4.e5 Ng8 5.Nf3 Nc6 6.d4 cxd4 7.Nxd4 Nxe5 8.Bf4 
d6 9.Be2 Nf6 10.Qd2 a6 11.O-O Be7 12.Rfd1 O-O 13.Rac1 Ng6 14.Bg3 Bd7 15.
Nc2 Ne8 16.Ne4 Bc6 17.Nxd6 Nxd6 18.Bxd6 Bxd6 19.Qxd6 Qxd6 20.Rxd6 Nf4 21.
Bf1 Bxg2 22.Bxg2 Ne2+ 23.Kf1 Nxc1 24.Bxb7 Ra7 25.Bc6 Nxa2 26.b4 Rb8 27.c5 
Kf8 28.Rd4 Rc7 29.Be4 Nc3 30.Bf3 a5 31.c6 Nd5 32.Bxd5 exd5 33.bxa5 Rxc6 
34.Ne3 Rc5 35.Ra4 Rbb5 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "5"]
[White "Ree, Hans"]
[Black "Uhlmann, Wolfgang"]
[WhiteElo "2470"]
[BlackElo "2535"]
[Result "1-0"]
[ECO "A36"]
[EventDate "1975.07.??"]
[PlyCount "67"]

1.c4 g6 2.Nc3 c5 3.g3 Bg7 4.Bg2 Nc6 5.a3 e6 6.Rb1 a5 7.d3 Nge7 8.Bd2 O-O 
9.Nf3 d5 10.Qc1 Nd4 11.b3 Bd7 12.cxd5 exd5 13.Nxd4 cxd4 14.Nxd5 Rc8 15.Qd1
Nxd5 16.Bxd5 Re8 17.Bxb7 Bg4 18.f3 Rb8 19.fxg4 Rxb7 20.O-O Qd5 21.Rf2 Bf8 
22.b4 Reb8 23.Qb3 Qxb3 24.Rxb3 Rc8 25.Rb2 Rb6 26.Kg2 f6 27.Rf4 Rd8 28.Re4 
Kf7 29.Rc2 axb4 30.Rc7+ Kg8 31.Bxb4 Bxb4 32.axb4 Rxb4 33.Ree7 Rb2 34.Kf3 
1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "5"]
[White "Smejkal, Jan"]
[Black "Makarichev, Sergei"]
[WhiteElo "2600"]
[BlackElo "2440"]
[Result "1/2-1/2"]
[ECO "A04"]
[EventDate "1975.07.??"]
[PlyCount "107"]

1.Nf3 e6 2.g3 c5 3.c4 Nc6 4.Bg2 Qb6 5.Nc3 Nf6 6.O-O Be7 7.d3 O-O 8.Bf4 d5 
9.b3 Bd7 10.e4 dxe4 11.dxe4 Rfd8 12.e5 Be8 13.Qe2 Nd7 14.h4 Nf8 15.h5 Nd4 
16.Nxd4 Rxd4 17.Be3 Rdd8 18.h6 g6 19.Ne4 Bc6 20.Rad1 Bxe4 21.Bxe4 Qc7 22.
f4 Rxd1 23.Rxd1 Rd8 24.Rxd8 Bxd8 25.Qf3 b6 26.Bc2 Nd7 27.Kf2 Qc8 28.Ke2 
Be7 29.g4 Bf8 30.g5 Be7 31.Be4 Qc7 32.Bc6 Qc8 33.Bb7 Qc7 34.Kd2 Nb8 35.Kc2
Kf8 36.Be4 Ke8 37.Kb2 Kd7 38.Qd1+ Kc8 39.Bg2 Nc6 40.Qf3 Kd7 41.Bd2 Qc8 42.
Bc3 Nd8 43.Qd3+ Kc7 44.Be4 Qd7 45.Qxd7+ Kxd7 46.Ka3 Nc6 47.Ka4 a6 48.a3 
Kc7 49.b4 Nd4 50.Bd3 Kc6 51.Be4+ Kc7 52.Bd3 Kc6 53.Bf1 Kc7 54.Bd3 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "5"]
[White "Sosonko, Gennadi"]
[Black "Huebner, Robert"]
[WhiteElo "2470"]
[BlackElo "2615"]
[Result "1/2-1/2"]
[ECO "E04"]
[EventDate "1975.07.??"]
[PlyCount "38"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Nbd7 5.Nf3 dxc4 6.O-O Rb8 7.a4 b6 8.Qc2 Bb7
9.Qxc4 c5 10.Nc3 Rc8 11.Qd3 Be7 12.dxc5 Nxc5 13.Qxd8+ Rxd8 14.Ne5 Bxg2 15.
Kxg2 Nb3 16.Rb1 Rc8 17.Rd1 Bb4 18.Nb5 a6 19.Nd4 Nxd4 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "6"]
[White "Hamann, Svend"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2485"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "E51"]
[EventDate "1975.07.??"]
[PlyCount "45"]

1.Nf3 d5 2.c4 e6 3.d4 Nf6 4.Nc3 Bb4 5.e3 O-O 6.a3 Bxc3+ 7.bxc3 c5 8.Bd3 
dxc4 9.Bxc4 Qc7 10.Be2 b6 11.O-O Bb7 12.Bb2 Nbd7 13.c4 Rac8 14.Rc1 Rfd8 
15.h3 Be4 16.Qb3 Qb7 17.Rfd1 Bc6 18.Ne1 Rb8 19.a4 h6 20.Bf1 a6 21.Ba3 cxd4
22.exd4 Nf8 23.Ra1 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "6"]
[White "Huebner, Robert"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2615"]
[BlackElo "2555"]
[Result "1-0"]
[ECO "E82"]
[EventDate "1975.07.??"]
[PlyCount "65"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.f3 O-O 6.Be3 b6 7.Bd3 a6 8.e5 Ne8 9.
Be4 Ra7 10.f4 c5 11.dxc5 bxc5 12.Bxc5 Rd7 13.Qb3 dxc5 14.Qxb8 Nd6 15.Bd5 
e6 16.Bc6 Rc7 17.O-O-O Rxc6 18.Rxd6 Rxd6 19.exd6 Bxc3 20.bxc3 Qa5 21.Kb2 
Bd7 22.Qb7 Bc6 23.Qxc6 Rb8+ 24.Kc2 Qxa2+ 25.Kd3 Rb2 26.d7 Qb1+ 27.Ke3 Qe1+
28.Kf3 Rd2 29.Kg4 Kg7 30.Kh3 Rd3+ 31.g3 Qd1 32.Qxc5 Qh5+ 33.Qxh5 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "6"]
[White "Ljubojevic, Ljubomir"]
[Black "Ree, Hans"]
[WhiteElo "2615"]
[BlackElo "2470"]
[Result "1-0"]
[ECO "B57"]
[EventDate "1975.07.??"]
[PlyCount "83"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bc4 Qb6 7.Nde2 e6 8.O-O 
Be7 9.Bb3 O-O 10.Bg5 Na5 11.Ng3 Qc5 12.Qd2 b5 13.Rad1 Nxb3 14.cxb3 Bb7 15.
Rc1 Qb6 16.Nh5 Kh8 17.Bxf6 gxf6 18.Qh6 Rg8 19.Nxf6 Rg7 20.Rfd1 b4 21.Ne2 
Qd8 22.Nh5 Rg5 23.Neg3 Bf8 24.Qf6+ Qxf6 25.Nxf6 Rc8 26.Nd7 Bg7 27.Rxc8+ 
Bxc8 28.Rxd6 Bxb2 29.f4 Ra5 30.Ne5 Kg7 31.Nc4 Rxa2 32.Rd8 Ba6 33.Nxb2 Rxb2
34.Nh5+ Kh6 35.g4 Rc2 36.Rg8 Rc8 37.Rg5 Bb7 38.Nf6 a5 39.Kf2 a4 40.Kg3 e5 
41.Kh4 exf4 42.e5 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "6"]
[White "Makarichev, Sergei"]
[Black "Szabo, Laszlo"]
[WhiteElo "2440"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "B66"]
[EventDate "1975.07.??"]
[PlyCount "37"]

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.Bf4 Bd7 10.Nxc6 Bxc6 11.Qe1 Be7 12.e5 Nh5 13.Be3 Qc7 14.Be2 g6 15.
Bxh5 gxh5 16.exd6 Bxd6 17.f3 O-O-O 18.Qf2 Bf4 19.g3 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "6"]
[White "Razuvaev, Yury"]
[Black "Raicevic, Vladimir"]
[WhiteElo "2515"]
[BlackElo "2440"]
[Result "1/2-1/2"]
[ECO "D40"]
[EventDate "1975.07.??"]
[PlyCount "41"]

1.Nf3 d5 2.c4 c5 3.d4 Nf6 4.Nc3 e6 5.e3 Nbd7 6.Bd3 Be7 7.O-O O-O 8.b3 b6 
9.Bb2 Bb7 10.Qe2 Rc8 11.Rfd1 Qc7 12.Rac1 Qb8 13.e4 Rfd8 14.e5 Ne8 15.Qe3 
Nf8 16.Ne2 a5 17.cxd5 Bxd5 18.Ng5 h6 19.Nh3 cxd4 20.Bxd4 Rxc1 21.Rxc1 
1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "6"]
[White "Smejkal, Jan"]
[Black "Bohm, Hans"]
[WhiteElo "2600"]
[BlackElo "2300"]
[Result "0-1"]
[ECO "A11"]
[EventDate "1975.07.??"]
[PlyCount "80"]

1.Nf3 d5 2.c4 c6 3.e3 Bg4 4.h3 Bxf3 5.Qxf3 e6 6.d4 Bd6 7.Nc3 Nd7 8.Bd3 
Ngf6 9.Bd2 Qe7 10.cxd5 exd5 11.g4 h6 12.h4 Nf8 13.O-O-O O-O-O 14.g5 hxg5 
15.hxg5 Rxh1 16.Rxh1 N6d7 17.e4 dxe4 18.Nxe4 Bc7 19.Ng3 g6 20.Re1 Ne6 21.
Qg4 Ndf8 22.Bc4 Kb8 23.Ne2 Qd6 24.Bc3 b5 25.Bb3 c5 26.d5 Nf4 27.Nxf4 Qxf4+
28.Qxf4 Bxf4+ 29.Kb1 c4 30.Bd1 Rxd5 31.Re8+ Kc7 32.Ba5+ Kd6 33.Bb4+ Kd7 
34.Re7+ Kd8 35.Bf3 Rxg5 36.a4 Rg1+ 37.Ka2 Bd2 38.Bd6 b4 39.b3 Ne6 40.Bc6 
cxb3+ 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "6"]
[White "Timman, Jan"]
[Black "Gheorghiu, Florin"]
[WhiteElo "2510"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "B66"]
[EventDate "1975.07.??"]
[PlyCount "82"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nc6 7.Qd2 e6 8.O-O-O 
h6 9.Be3 Bd7 10.f4 b5 11.Bd3 Be7 12.Kb1 Nxd4 13.Bxd4 Bc6 14.Rhe1 O-O 15.e5
dxe5 16.fxe5 Nd5 17.Ne4 Nb4 18.Nf6+ Kh8 19.Be4 Rc8 20.a3 Bxe4 21.Rxe4 Rxc2
22.Qe3 Nd5 23.Nxd5 exd5 24.Rg4 Rc6 25.e6 f6 26.Rg6 Qc8 27.Re1 Kh7 28.Qd3 
Kh8 29.Qh3 Kh7 30.Qf5 Kh8 31.Qg4 Rg8 32.Qh5 Rf8 33.Qg4 Rg8 34.Qh3 Rf8 35.
Ka2 Rc2 36.Bc3 d4 37.Rxh6+ gxh6 38.Qxh6+ Kg8 39.Qg6+ Kh8 40.Qh6+ Kg8 41.
Qg6+ Kh8 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "6"]
[White "Uhlmann, Wolfgang"]
[Black "Jansa, Vlastimil"]
[WhiteElo "2535"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1975.07.??"]
[PlyCount "109"]

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 
h6 9.Nc2 d6 10.Ne3 Re8 11.Qc2 Re5 12.Bd2 Bd7 13.f4 exf3 14.exf3 Re8 15.
Rae1 Ne7 16.b4 Qc8 17.Rf2 a5 18.Rfe2 Kf8 19.Bc1 b6 20.a3 Rb8 21.Qd3 Bc6 
22.Nd5 Nexd5 23.Rxe8+ Bxe8 24.cxd5 Bd7 25.Qd4 Ng8 26.bxa5 bxa5 27.c4 Qb7 
28.Bd2 a4 29.c5 Re8 30.c6 Rxe1+ 31.Bxe1 Qb1 32.cxd7 Qxe1+ 33.Bf1 Qe7 34.
Qxa4 Qd8 35.Bb5 Nf6 36.Bc6 Ke7 37.Qd4 Nxd7 38.Qxg7 Ne5 39.Qxh6 Nxf3+ 40.
Kg2 Ne5 41.Qh4+ f6 42.Qh7+ Nf7 43.Qf5 Kf8 44.Bb7 Ne5 45.a4 Kg7 46.Qc8 Qe7 
47.Qe6 Qd8 48.a5 c5 49.dxc6 Qxa5 50.h4 Qd2+ 51.Kh3 Qc1 52.Qe7+ Kg8 53.Qe6+
Kg7 54.Qe7+ Kg8 55.Qe6+ 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "7"]
[White "Bohm, Hans"]
[Black "Makarichev, Sergei"]
[WhiteElo "2300"]
[BlackElo "2440"]
[Result "1-0"]
[ECO "A90"]
[EventDate "1975.07.??"]
[PlyCount "86"]

1.d4 e6 2.c4 f5 3.Nf3 Nf6 4.g3 Bb4+ 5.Bd2 Be7 6.Nc3 O-O 7.Bg2 Ne4 8.O-O 
Bf6 9.Qc2 Nxd2 10.Qxd2 d6 11.Rad1 Nc6 12.e4 g6 13.Rfe1 Bg7 14.exf5 exf5 
15.Qf4 h6 16.h4 Kh7 17.Nd5 Rf7 18.Qe3 Bd7 19.b4 a5 20.a3 axb4 21.axb4 Ra4 
22.Qb3 Ra7 23.c5 Rf8 24.b5 Na5 25.Qd3 Re8 26.Rxe8 Bxe8 27.h5 dxc5 28.dxc5 
c6 29.b6 Ra8 30.Nc7 Qxd3 31.Rxd3 Rb8 32.Nd2 Bf8 33.Ra3 Bxc5 34.Rxa5 Bxb6 
35.Re5 Bf7 36.Re7 Kg7 37.Rd7 Kf6 38.hxg6 Kxg6 39.Rd6+ Kg7 40.Ne6+ Kg8 41.
Bh3 Ba5 42.Bxf5 Bxd2 43.Rxd2 b5 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "7"]
[White "Gheorghiu, Florin"]
[Black "Razuvaev, Yury"]
[WhiteElo "2540"]
[BlackElo "2515"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1975.07.??"]
[PlyCount "54"]

1.c4 Nf6 2.Nc3 e5 3.Nf3 Nc6 4.g3 Bb4 5.Nd5 Nxd5 6.cxd5 Nd4 7.Nxd4 exd4 8.
Bg2 O-O 9.O-O Be7 10.e3 c6 11.b3 Bf6 12.Bb2 c5 13.exd4 d6 14.Qc2 cxd4 15.
Rac1 Qa5 16.a3 d3 17.Qb1 Bxb2 18.Qxb2 Bf5 19.Rfe1 Rac8 20.Rc4 h6 21.h3 
Rfe8 22.Re3 Rxe3 23.fxe3 Rxc4 24.bxc4 Qa4 25.e4 Qc2 26.Qb4 Bg6 27.Kf2 b6 
1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "7"]
[White "Jansa, Vlastimil"]
[Black "Ljubojevic, Ljubomir"]
[WhiteElo "2540"]
[BlackElo "2615"]
[Result "1/2-1/2"]
[ECO "B92"]
[EventDate "1975.07.??"]
[PlyCount "89"]

1.e4 c5 2.Nc3 d6 3.Nf3 a6 4.d4 cxd4 5.Nxd4 Nf6 6.Be2 Nbd7 7.Be3 e6 8.g4 
Nc5 9.Bf3 h6 10.h4 Qc7 11.Qe2 Nfd7 12.b4 Nb3 13.Ndb5 axb5 14.Nxb5 Qb8 15.
cxb3 d5 16.exd5 Bxb4+ 17.Kf1 O-O 18.Qc4 Ne5 19.Qxb4 Nxf3 20.Qxf8+ Kxf8 21.
Bc5+ Kg8 22.Bd6 exd5 23.Bxb8 Rxb8 24.Rd1 Bd7 25.Kg2 Ne5 26.Nd4 Bxg4 27.f3 
Bd7 28.Rc1 Nc6 29.Rhd1 Kf8 30.Nb5 Rd8 31.Nd4 Ke7 32.Kf2 g5 33.hxg5 hxg5 
34.Nxc6+ Bxc6 35.Rd4 Rh8 36.Rg4 Kd6 37.Re1 f6 38.Kg2 Ra8 39.a4 b5 40.Ra1 
bxa4 41.bxa4 Bd7 42.Rb4 Kc5 43.Rb7 Bxa4 44.Rc7+ Kd4 45.Kf2 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "7"]
[White "Kavalek, Lubomir"]
[Black "Hamann, Svend"]
[WhiteElo "2555"]
[BlackElo "2485"]
[Result "1/2-1/2"]
[ECO "B92"]
[EventDate "1975.07.??"]
[PlyCount "178"]

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 O-O 11.Kh1 Nbd7 12.Be3 Rfc8 13.a5 exf4 14.Rxf4 Ne5 15.
Nd4 Bc4 16.Nf5 Bf8 17.Bxc4 Nxc4 18.Bd4 Ne5 19.Nh6+ Kh8 20.Rxf6 gxf6 21.Nf5
Bg7 22.Qh5 Re8 23.Re1 Qc4 24.b3 Qc8 25.Re3 Re6 26.Rh3 Qg8 27.Nd5 Rae8 28.
Nc7 Ng6 29.Nxe8 Nf4 30.Nexg7 Nxh5 31.Nxh5 Qg4 32.Ne3 Qe2 33.Rf3 Rxe4 34.
Bxf6+ Kg8 35.Nf1 Rg4 36.Nhg3 Qb5 37.c4 Qxa5 38.h3 Rg6 39.Bc3 Qa2 40.Nd2 
Qc2 41.Kh2 b6 42.Nf5 Kf8 43.Nd4 Qc1 44.Ne4 a5 45.Ng3 Qd1 46.Ngf5 a4 47.
bxa4 Qxa4 48.Ne3 Qa2 49.Rf1 Qa8 50.Rf4 Qa3 51.Nb5 Qc1 52.Rf3 h5 53.Bb4 Re6
54.Nxd6 Kg8 55.Ndf5 Kh7 56.Be7 b5 57.cxb5 Rxe7 58.Nxe7 Qc7+ 59.Kg1 Qxe7 
60.Kf2 Qe6 61.Rf5 Kg6 62.Kf3 Qb3 63.Rc5 f6 64.g4 hxg4+ 65.hxg4 Qb4 66.Rd5 
Qb1 67.Rf5 Qb3 68.Kf4 Qb4+ 69.Kg3 Qb3 70.Kf3 Qd3 71.Rc5 Qb1 72.Rd5 Qh1+ 
73.Ke2 Qe4 74.Rf5 Qd4 75.Kf3 Qd3 76.Rc5 Qb1 77.Rd5 Qh1+ 78.Kf4 Qh6+ 79.Ke4
Qh1+ 80.Kd4 Qa1+ 81.Kd3 Qb1+ 82.Ke2 Qe4 83.Rh5 Qb4 84.Kf3 Qb3 85.Rd5 Qb1 
86.Rf5 Qb3 87.Kf2 Qb2+ 88.Kg3 Qb3 89.Kf3 Qd3 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "7"]
[White "Raicevic, Vladimir"]
[Black "Huebner, Robert"]
[WhiteElo "2440"]
[BlackElo "2615"]
[Result "0-1"]
[ECO "A16"]
[EventDate "1975.07.??"]
[PlyCount "77"]

1.c4 g6 2.g3 Bg7 3.Bg2 Nf6 4.Nc3 O-O 5.d3 c6 6.e4 d6 7.Nge2 a6 8.O-O b5 9.
h3 Nfd7 10.a3 bxc4 11.dxc4 a5 12.a4 Na6 13.Be3 Qc7 14.f4 Rb8 15.b3 Ndc5 
16.Rb1 f5 17.Bd4 e5 18.Be3 Be6 19.Kh2 Rb7 20.Qc2 Rfb8 21.fxe5 dxe5 22.Nc1 
Rd8 23.Qf2 Nd3 24.Qe2 Nxc1 25.Rfxc1 f4 26.Bf2 Qb8 27.Rd1 Rxd1 28.Qxd1 Bf8 
29.gxf4 exf4 30.e5 Nb4 31.Qd4 Bg7 32.Re1 Nc2 33.Qd6 Qxd6 34.exd6 Nxe1 35.
Bxc6 Rxb3 36.Nd5 Nf3+ 37.Kg2 Ne5 38.Nxf4 Bxc4 39.Be4 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "7"]
[White "Ree, Hans"]
[Black "Smejkal, Jan"]
[WhiteElo "2470"]
[BlackElo "2600"]
[Result "0-1"]
[ECO "A34"]
[EventDate "1975.07.??"]
[PlyCount "74"]

1.Nf3 Nf6 2.c4 c5 3.Nc3 d5 4.cxd5 Nxd5 5.g3 Nc6 6.Nxd5 Qxd5 7.Bg2 e5 8.O-O
Be7 9.e3 e4 10.Ne1 Bf5 11.Qa4 Qe6 12.d3 Bg4 13.Qc2 Nb4 14.Qd2 Rd8 15.Bxe4 
Nxd3 16.f3 Nxe1 17.Qxe1 Bh3 18.Rf2 b6 19.Bd2 O-O 20.Bc3 Bg5 21.Re2 Rfe8 
22.Kf2 h5 23.Rd2 Rxd2+ 24.Bxd2 Bf5 25.Bxf5 Qxf5 26.f4 Bf6 27.Bc3 Bd4 28.
exd4 Rxe1 29.Rxe1 cxd4 30.Bxd4 Qd5 31.Bc3 Qxa2 32.Re8+ Kh7 33.Re5 Kh6 34.
h3 Qc4 35.Kg2 b5 36.g4 hxg4 37.hxg4 Qxf4 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "7"]
[White "Sosonko, Gennadi"]
[Black "Uhlmann, Wolfgang"]
[WhiteElo "2470"]
[BlackElo "2535"]
[Result "0-1"]
[ECO "E97"]
[EventDate "1975.07.??"]
[PlyCount "77"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.b4 Nh5 10.g3 f5 11.Nd2 Nf6 12.c5 f4 13.Nc4 g5 14.Ba3 Bh3 15.Re1 Rf7 16.
b5 Nc8 17.Bb2 Re7 18.c6 b6 19.a4 Qe8 20.a5 Rb8 21.axb6 axb6 22.Ra3 h5 23.
Qd3 Qg6 24.Rea1 Re8 25.Ra8 Rxa8 26.Rxa8 Rf8 27.Nd2 Bh6 28.Bf1 Bxf1 29.Nxf1
g4 30.gxf4 exf4 31.Qc4 g3 32.hxg3 fxg3 33.fxg3 h4 34.e5 Be3+ 35.Nxe3 Qxg3+
36.Kh1 Qh3+ 37.Kg1 Qxe3+ 38.Kh1 Qh3+ 39.Kg1 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "7"]
[White "Szabo, Laszlo"]
[Black "Timman, Jan"]
[WhiteElo "2545"]
[BlackElo "2510"]
[Result "1-0"]
[ECO "A69"]
[EventDate "1975.07.??"]
[PlyCount "67"]

1.c4 g6 2.Nc3 Bg7 3.d4 d6 4.e4 Nf6 5.f4 c5 6.d5 e6 7.Nf3 O-O 8.Be2 exd5 9.
cxd5 Re8 10.e5 dxe5 11.fxe5 Ng4 12.Bg5 f6 13.exf6 Bxf6 14.Qd2 Bf5 15.O-O 
Bxg5 16.Qxg5 Nd7 17.h3 Ne3 18.Qh6 Nxf1 19.Ng5 Qe7 20.d6 Qe3+ 21.Kxf1 Nf8 
22.Rd1 Re5 23.d7 Rd8 24.Bc4+ Be6 25.Nxe6 Rf5+ 26.Nf4+ Kh8 27.Nd5 Qe4 28.
Be2 Ne6 29.Bf3 Qc4+ 30.Kg1 Nxf4 31.Ne3 Qe6 32.Nxf5 Qxf5 33.Re1 Ne6 34.Bg4 
1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "8"]
[White "Bohm, Hans"]
[Black "Ree, Hans"]
[WhiteElo "2300"]
[BlackElo "2470"]
[Result "1-0"]
[ECO "A56"]
[EventDate "1975.07.??"]
[PlyCount "81"]

1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 d6 5.e4 Bg7 6.Bd3 O-O 7.h3 a6 8.Nf3 b5 9.
O-O bxc4 10.Bxc4 Nbd7 11.Rb1 Nb6 12.b3 Nfd7 13.Qc2 Ne5 14.Nxe5 Bxe5 15.Na4
f5 16.Nxb6 Qxb6 17.Bb2 Bxb2 18.Rxb2 fxe4 19.Qxe4 Rf7 20.Re2 Ra7 21.Rfe1 
Qd8 22.Qh4 Qf8 23.Re3 Qg7 24.g4 g5 25.Qg3 Qf6 26.Re4 Kf8 27.Kg2 a5 28.a4 
Ba6 29.Re6 Bxc4 30.Rxf6 Bxd5+ 31.Kg1 Rxf6 32.Qc3 Kg8 33.Qd2 Bc6 34.Qxg5+ 
Kf7 35.Qh5+ Kg7 36.f4 Rb7 37.f5 Bd5 38.Qg5+ Kf7 39.Qd2 Bxb3 40.Rb1 Kf8 41.
Qxa5 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "8"]
[White "Hamann, Svend"]
[Black "Raicevic, Vladimir"]
[WhiteElo "2485"]
[BlackElo "2440"]
[Result "0-1"]
[ECO "D35"]
[EventDate "1975.07.??"]
[PlyCount "70"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.cxd5 exd5 7.Bd3 Bd6 8.Qc2 
Nf8 9.Nf3 Ng6 10.Nh4 O-O 11.O-O-O h6 12.Nxg6 fxg6 13.Bf4 g5 14.Bxd6 Qxd6 
15.h3 Bd7 16.Kb1 Rae8 17.Ka1 g4 18.Ne2 Ne4 19.Bxe4 dxe4 20.Ng3 gxh3 21.
gxh3 Qd5 22.Rd2 Rf7 23.h4 a5 24.Qc5 Ref8 25.Rh2 Bg4 26.b3 g6 27.Kb2 Kg7 
28.Qc2 Bf3 29.Qc1 a4 30.Rc2 Bg4 31.h5 axb3 32.axb3 Be6 33.Rc3 Rxf2+ 34.
Rxf2 Rxf2+ 35.Kb1 Qa5 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "8"]
[White "Huebner, Robert"]
[Black "Gheorghiu, Florin"]
[WhiteElo "2615"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1975.07.??"]
[PlyCount "96"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 Be7 8.Nc3 O-O
9.Be3 Nbd7 10.Rc1 Re8 11.h3 Bf8 12.Bb1 b6 13.Bg5 Bb7 14.b3 Rc8 15.Re1 Qc7 
16.a4 g6 17.Qd2 Qb8 18.Rcd1 Qc7 19.Nf3 Be7 20.Nh2 Qc5 21.Bf4 Ne5 22.Be3 
Qc7 23.f4 Ned7 24.Qf2 Bc6 25.Nf3 Nc5 26.Nd2 Qb7 27.e5 Nfd7 28.Bd4 a5 29.
Re3 Rcd8 30.Rf1 Bf8 31.Rg3 Qc7 32.Nb5 Bxb5 33.axb5 Bg7 34.Rf3 Rf8 35.Ne4 
Nxe4 36.Bxe4 dxe5 37.fxe5 Nxe5 38.Bxb6 Nxf3+ 39.Bxf3 Qxb6 40.Qxb6 Bd4+ 41.
Qxd4 Rxd4 42.Ra1 e5 43.Rxa5 e4 44.Be2 Rd2 45.Kf2 Rb2 46.b6 Rxb3 47.c5 Kg7 
48.Ra7 Rd8 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "8"]
[White "Ljubojevic, Ljubomir"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2615"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "B73"]
[EventDate "1975.07.??"]
[PlyCount "51"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O 
O-O 9.h3 d5 10.exd5 Nb4 11.Qd2 Nbxd5 12.Nxd5 Nxd5 13.Bh6 e5 14.Bxg7 Kxg7 
15.Nf3 Nf4 16.Qe3 f6 17.Rfd1 Qc7 18.c4 Be6 19.Bf1 b6 20.Rd2 Rad8 21.Rad1 
Rxd2 22.Rxd2 Rd8 23.b4 Rxd2 24.Nxd2 Qd7 25.Kh2 g5 26.a3 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "8"]
[White "Makarichev, Sergei"]
[Black "Timman, Jan"]
[WhiteElo "2440"]
[BlackElo "2510"]
[Result "0-1"]
[ECO "C16"]
[EventDate "1975.07.??"]
[PlyCount "80"]

1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 b6 5.Qg4 Bf8 6.Nh3 Qd7 7.Bg5 Nc6 8.O-O-O 
Bb7 9.Kb1 h6 10.Bh4 Nge7 11.Nf4 Nf5 12.Nh5 Nxh4 13.Qxh4 Qe7 14.Qg4 O-O-O 
15.h4 Kb8 16.Rh3 Na5 17.Ne2 c5 18.dxc5 bxc5 19.Qf4 Qc7 20.Nc1 Nc6 21.Re1 
d4 22.Rb3 Na5 23.Rg3 g6 24.Nf6 c4 25.Rd1 g5 26.hxg5 hxg5 27.Qd2 Qb6 28.Ka1
Rh1 29.Rh3 Rxf1 30.Rxf1 c3 31.Rxc3 dxc3 32.Qxc3 Bb4 33.Qg3 Nc4 34.Nb3 a5 
35.Qg4 a4 36.Rh1 Nxe5 37.Qxg5 Qc7 38.Nc1 a3 39.Nb3 axb2+ 40.Kb1 Nc4 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "8"]
[White "Razuvaev, Yury"]
[Black "Szabo, Laszlo"]
[WhiteElo "2515"]
[BlackElo "2545"]
[Result "1-0"]
[ECO "B90"]
[EventDate "1975.07.??"]
[PlyCount "57"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nf3 Be7 8.Bc4 
Be6 9.Bxe6 fxe6 10.Ng5 Qd7 11.Qf3 b5 12.Qh3 b4 13.Ne2 h6 14.O-O Rg8 15.Nf3
Bf8 16.Nd2 g5 17.Nc4 Qf7 18.Rad1 g4 19.Qh4 Nxe4 20.Ng3 Nf6 21.Nxd6+ Bxd6 
22.Rxd6 Nbd7 23.f3 Qe7 24.Rc6 Kd8 25.Rd1 gxf3 26.gxf3 Nd5 27.Qxh6 N7f6 28.
Bb6+ Ke8 29.Rxd5 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "8"]
[White "Smejkal, Jan"]
[Black "Jansa, Vlastimil"]
[WhiteElo "2600"]
[BlackElo "2540"]
[Result "1-0"]
[ECO "B36"]
[EventDate "1975.07.??"]
[PlyCount "79"]

1.Nf3 c5 2.c4 g6 3.d4 cxd4 4.Nxd4 Nc6 5.e4 Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 
Bg7 9.O-O O-O 10.Qd3 a6 11.Be3 Ng4 12.Bxg4 Bxg4 13.Bd4 Bxd4 14.Qxd4 Be6 
15.b3 Qa5 16.f4 f6 17.f5 Bf7 18.Nd5 Bxd5 19.exd5 Rf7 20.Qg4 g5 21.Rfe1 Rc8
22.Re2 b5 23.Rc1 Qa3 24.Rcc2 Qb4 25.h3 Qc5+ 26.Kh2 b4 27.Re4 Kh8 28.Rce2 
Rc7 29.Qh5 Rg7 30.Qe8+ Rg8 31.Qf7 Rg7 32.Qf8+ Rg8 33.Qh6 Qa7 34.c5 dxc5 
35.d6 exd6 36.Qxf6+ Rcg7 37.Re7 Qb8 38.Rf7 d5+ 39.Kg1 Qf4 40.Rxg7 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "8"]
[White "Uhlmann, Wolfgang"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2535"]
[BlackElo "2555"]
[Result "1-0"]
[ECO "A35"]
[EventDate "1975.07.??"]
[PlyCount "83"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 Nc6 4.g3 d5 5.cxd5 Nxd5 6.Bg2 g6 7.d3 Bg7 8.Bd2 
O-O 9.O-O b6 10.Nxd5 Qxd5 11.Bc3 Bb7 12.Qa4 Qd6 13.Rfd1 e5 14.a3 Qe7 15.e3
Rfd8 16.b4 e4 17.Bxg7 exf3 18.Bxf3 Kxg7 19.Bxc6 Bxc6 20.Qxc6 cxb4 21.axb4 
Qxb4 22.d4 Rdc8 23.Qd7 Rd8 24.Qc7 Qb3 25.Qe5+ f6 26.Qe7+ Qf7 27.Rxa7 Rxa7 
28.Qxd8 b5 29.d5 b4 30.Qb6 Rb7 31.Qd4 b3 32.d6 Qd7 33.Rd2 h5 34.e4 h4 35.
e5 h3 36.exf6+ Kf7 37.f3 Qe6 38.Kf2 Rd7 39.g4 g5 40.Qd5 Kxf6 41.Qxe6+ Kxe6
42.Rd3 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "9"]
[White "Gheorghiu, Florin"]
[Black "Hamann, Svend"]
[WhiteElo "2540"]
[BlackElo "2485"]
[Result "1/2-1/2"]
[ECO "D31"]
[EventDate "1975.07.??"]
[PlyCount "56"]

1.d4 d5 2.c4 e6 3.Nc3 c6 4.cxd5 exd5 5.Bf4 Bf5 6.e3 Nf6 7.Nf3 Qb6 8.Qc1 h6
9.Ne5 Nbd7 10.Nxd7 Nxd7 11.Be2 Be7 12.O-O O-O 13.Rd1 Rfe8 14.Bd3 Bxd3 15.
Rxd3 Bg5 16.Bg3 h5 17.h3 Re6 18.Ne2 Qd8 19.Rb3 Nb6 20.Nf4 Bxf4 21.Bxf4 Rg6
22.Qd1 h4 23.Qh5 Qe7 24.Qe5 Qd7 25.Kh1 Rc8 26.Qh5 Qe7 27.Qe5 Qd7 28.Qh5 
Qe7 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "9"]
[White "Jansa, Vlastimil"]
[Black "Bohm, Hans"]
[WhiteElo "2540"]
[BlackElo "2300"]
[Result "1-0"]
[ECO "B05"]
[EventDate "1975.07.??"]
[PlyCount "79"]

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 Bg4 5.Be2 e6 6.O-O Be7 7.h3 Bh5 8.c4 Nb6 
9.exd6 cxd6 10.Nc3 O-O 11.Bf4 Nc6 12.d5 exd5 13.Nxd5 Bxf3 14.Bxf3 Nxc4 15.
Qb3 N4e5 16.Qxb7 Bg5 17.Bxe5 Nxe5 18.Be2 Rb8 19.Qa6 Ng6 20.b3 Qd7 21.Rad1 
Rfe8 22.Rfe1 h6 23.Bg4 f5 24.Bh5 Rxe1+ 25.Rxe1 Nf8 26.h4 Bd8 27.Re8 g6 28.
Bxg6 Rb5 29.Rxd8 Qxd8 30.Qxb5 Nxg6 31.g3 Ne5 32.Qb7 a5 33.Ne7+ Kh8 34.Nxf5
Qf6 35.Qe4 d5 36.Qf4 Nd3 37.Qxh6+ Qxh6 38.Nxh6 Nc1 39.Nf5 Nxa2 40.Kg2 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "9"]
[White "Kavalek, Lubomir"]
[Black "Ljubojevic, Ljubomir"]
[WhiteElo "2555"]
[BlackElo "2615"]
[Result "1-0"]
[ECO "C63"]
[EventDate "1975.07.??"]
[PlyCount "55"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qg5 8.
Qe2 Nf6 9.f4 Qh4+ 10.g3 Qh3 11.Ne5+ c6 12.Bc4 Bc5 13.d3 Ng4 14.Nf7 Bf2+ 
15.Kd1 e3 16.Qf3 Nxh2 17.Qe4+ Kf8 18.Bxe3 Bg4+ 19.Kd2 Re8 20.Ne5 Qxg3 21.
Bxf2 Qxf2+ 22.Kc3 g6 23.Rxh2 Qxh2 24.Qd4 Ke7 25.Nxg4 Qe2 26.Ne5 Rhf8 27.
Qd7+ Kf6 28.Ng4+ 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "9"]
[White "Raicevic, Vladimir"]
[Black "Uhlmann, Wolfgang"]
[WhiteElo "2440"]
[BlackElo "2535"]
[Result "1/2-1/2"]
[ECO "A21"]
[EventDate "1975.07.??"]
[PlyCount "168"]

1.c4 g6 2.g3 Bg7 3.Bg2 e5 4.Nc3 d6 5.Nf3 f5 6.d3 Nf6 7.e4 O-O 8.O-O fxe4 
9.dxe4 Na6 10.h3 Be6 11.Qe2 h6 12.Rd1 Qe8 13.Be3 g5 14.Nd2 Qf7 15.g4 Nb4 
16.Rac1 Nc6 17.Qd3 Nd7 18.Ne2 Nc5 19.Qc3 Nd4 20.Re1 b5 21.b4 Na4 22.Qa3 a6
23.Ng3 c5 24.Nf5 Qd7 25.Bf1 cxb4 26.Qxb4 a5 27.Qb1 b4 28.Bxd4 exd4 29.Nf3 
Nc3 30.Qb2 Bxf5 31.exf5 Rae8 32.a3 Qc6 33.Kg2 d3 34.Qd2 Ne2 35.Bxe2 dxe2 
36.axb4 axb4 37.Qxb4 h5 38.Qd2 hxg4 39.hxg4 Re4 40.Qxg5 Rf7 41.Kg3 Kf8 42.
Rc2 Bf6 43.Qh6+ Bg7 44.Qg6 Qe8 45.Ng5 Qe5+ 46.Kg2 Rxg4+ 47.Kh3 Rxg5 48.
Qxg5 Rxf5 49.Qd8+ Kf7 50.Qd7+ Kg8 51.Rexe2 Rh5+ 52.Kg4 Qg5+ 53.Kf3 Qf6+ 
54.Ke3 Qd4+ 55.Kf3 Qf6+ 56.Ke3 Re5+ 57.Kd2 Qh6+ 58.Re3 Qf4 59.Ke2 Rxe3+ 
60.fxe3 Qe4 61.Qc8+ Kf7 62.Rd2 Qg2+ 63.Kd1 Qg1+ 64.Kc2 Qxe3 65.Qb7+ Kf8 
66.Qb8+ Kf7 67.Qb3 Qe4+ 68.Qd3 Qe5 69.Qd5+ Ke7 70.Qxe5+ Bxe5 71.Kd3 Kd7 
72.Ke4 Kc6 73.Rd5 Bc3 74.Kf5 Kd7 75.Rd3 Bb4 76.Rb3 Bc5 77.Ke4 Kc6 78.Rb8 
Kc7 79.Re8 Kc6 80.Kf5 Bb4 81.Ke4 Ba3 82.Ra8 Bb4 83.Kf5 Kc5 84.Rc8+ Kd4 
1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "9"]
[White "Ree, Hans"]
[Black "Makarichev, Sergei"]
[WhiteElo "2470"]
[BlackElo "2440"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1975.07.??"]
[PlyCount "50"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 Be4 10.b3 f5 11.Bb2 Bf6 12.Rad1 d6 13.Ne1 Bxg2 14.Nxg2 Nc6 15.
Qf3 Qd7 16.e4 fxe4 17.Qxe4 Rae8 18.Rfe1 d5 19.Qc2 g6 20.Ne3 Bg7 21.f4 Rd8 
22.Kg2 dxc4 23.Qxc4 Nxd4 24.Bxd4 Bxd4 25.Ng4 c5 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "9"]
[White "Sosonko, Gennadi"]
[Black "Smejkal, Jan"]
[WhiteElo "2470"]
[BlackElo "2600"]
[Result "1/2-1/2"]
[ECO "D97"]
[EventDate "1975.07.??"]
[PlyCount "80"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Na6 8.Be2 
c5 9.d5 e6 10.Bg5 h6 11.Bxf6 Bxf6 12.e5 Bg7 13.Rd1 exd5 14.Nxd5 Be6 15.O-O
Nc7 16.Nf6+ Bxf6 17.Rxd8 Bxc4 18.Rxf8+ Kxf8 19.Bxc4 Be7 20.Rd1 Rd8 21.
Rxd8+ Bxd8 22.a4 Ke7 23.Nd2 Ne6 24.Bd5 b6 25.g3 g5 26.Nc4 Bc7 27.Kg2 a6 
28.b3 b5 29.axb5 axb5 30.Ne3 Nd4 31.f4 gxf4 32.gxf4 f6 33.Ng4 fxe5 34.Nxe5
Bxe5 35.fxe5 c4 36.bxc4 b4 37.Kf2 b3 38.Ke3 b2 39.Be4 Nb3 40.Bf5 Kf7 
1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "9"]
[White "Szabo, Laszlo"]
[Black "Huebner, Robert"]
[WhiteElo "2545"]
[BlackElo "2615"]
[Result "1-0"]
[ECO "B08"]
[EventDate "1975.07.??"]
[PlyCount "79"]

1.d4 g6 2.e4 Bg7 3.Nf3 d6 4.Nc3 Nf6 5.Be2 O-O 6.O-O c6 7.a4 a5 8.Be3 Ng4 
9.Bg5 f6 10.Bd2 Nh6 11.Qc1 Nf7 12.Be3 e6 13.d5 cxd5 14.exd5 e5 15.Nd2 Nd7 
16.Nc4 b6 17.Qd2 f5 18.f3 Ba6 19.Na3 Bxe2 20.Qxe2 Nc5 21.Nc4 e4 22.f4 Bxc3
23.bxc3 Rb8 24.Rfb1 Nxa4 25.Rxa4 b5 26.Rxa5 bxc4 27.Rba1 Qc7 28.Ra7 Rb7 
29.Rxb7 Qxb7 30.Qxc4 Qb2 31.Rc1 Rb8 32.h3 Qb7 33.Qd4 Qb2 34.Qf6 Rc8 35.Rf1
Kf8 36.Bd4 Qb7 37.Ra1 Rc7 38.Qg7+ Ke8 39.Qg8+ Ke7 40.Ra8 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "9"]
[White "Timman, Jan"]
[Black "Razuvaev, Yury"]
[WhiteElo "2510"]
[BlackElo "2515"]
[Result "1-0"]
[ECO "E31"]
[EventDate "1975.07.??"]
[PlyCount "101"]

1.c4 e6 2.d4 Nf6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6 7.e3 Bxc3+ 8.bxc3 e5 
9.f3 Nbd7 10.Bd3 Qe7 11.Qc2 g5 12.Bg3 b5 13.cxb5 Nxd5 14.Bf2 a6 15.Ne2 
N7b6 16.Ng3 axb5 17.Bxb5+ Kf8 18.O-O Ra3 19.Qb2 Ra5 20.c4 Nc7 21.Be1 Ra8 
22.f4 Nxb5 23.Qxb5 Qc7 24.Ba5 Rxa5 25.Qxa5 gxf4 26.exf4 Nd5 27.Qxc7 Nxc7 
28.fxe5 dxe5 29.Rae1 Be6 30.Rxe5 Bxc4 31.Rc1 Bxa2 32.Rcxc5 Ne6 33.Rc8+ Kg7
34.Nf5+ Kf6 35.Rxe6+ Bxe6 36.Rxh8 Bxf5 37.Rxh6+ Bg6 38.Kf2 Kg7 39.Rh4 Bc2 
40.Kf3 f6 41.Rb4 Kg6 42.Kf4 Bd3 43.Rb6 Bc2 44.Rb7 Bd3 45.g4 Bc4 46.h4 Bd5 
47.h5+ Kh6 48.Rb6 Kg7 49.Kf5 Bf3 50.h6+ Kxh6 51.Kxf6 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "10"]
[White "Bohm, Hans"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2300"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "D03"]
[EventDate "1975.07.??"]
[PlyCount "23"]

1.d4 Nf6 2.c3 d5 3.Bg5 e6 4.Nd2 c5 5.e3 Be7 6.Ngf3 Nbd7 7.Bd3 b6 8.Ne5 
Nxe5 9.dxe5 Nd7 10.Bxe7 Qxe7 11.f4 f6 12.Qh5+ 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "10"]
[White "Hamann, Svend"]
[Black "Szabo, Laszlo"]
[WhiteElo "2485"]
[BlackElo "2545"]
[Result "0-1"]
[ECO "E50"]
[EventDate "1975.07.??"]
[PlyCount "90"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 Nc6 7.O-O Bxc3 8.bxc3 
d6 9.e4 e5 10.d5 Ne7 11.Nh4 h6 12.f4 Ng6 13.Nxg6 fxg6 14.f5 Bd7 15.g4 g5 
16.h4 Nh7 17.hxg5 Nxg5 18.Kg2 Rb8 19.a4 b6 20.Rh1 Be8 21.Qe2 a6 22.Bd2 Qf6
23.Rhb1 Rf7 24.Be3 Rfb7 25.Qd2 Bd7 26.Rh1 Be8 27.Kg3 Bf7 28.Rh2 Be8 29.
Rah1 Kf8 30.Rh5 Bxh5 31.Rxh5 Nf7 32.Kg2 g5 33.fxg6 Qxg6 34.Kg3 Ke7 35.Qf2 
Rg8 36.Qf5 Rbb8 37.Be2 Rbf8 38.Qxg6 Rxg6 39.Rf5 Ng5 40.Bd3 Rfg8 41.Rf1 Nh7
42.Rb1 Rxg4+ 43.Kf3 Rg2 44.Bf2 Rh2 45.Ke3 Nf6 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "10"]
[White "Huebner, Robert"]
[Black "Timman, Jan"]
[WhiteElo "2615"]
[BlackElo "2510"]
[Result "1-0"]
[ECO "B25"]
[EventDate "1975.07.??"]
[PlyCount "75"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.f4 e5 7.Nf3 Nge7 8.O-O O-O 
9.Nd5 exf4 10.Nxf4 d5 11.c3 dxe4 12.dxe4 b6 13.Nd5 Be6 14.Ng5 Ne5 15.Bf4 
Bg4 16.Qc2 h6 17.Nh3 Nxd5 18.exd5 Bf5 19.Qd2 Nc4 20.Qe2 b5 21.Nf2 g5 22.
Bc1 Qd7 23.a4 Rae8 24.Qd1 b4 25.cxb4 cxb4 26.Qb3 Qc7 27.h4 Bd4 28.hxg5 Ne3
29.Bxe3 Rxe3 30.Qxb4 Re4 31.d6 Qc2 32.Bxe4 Qxe4 33.Kh2 Qe5 34.Rad1 Be3 35.
Qc3 Qxc3 36.bxc3 hxg5 37.d7 Rd8 38.Rfe1 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "10"]
[White "Ljubojevic, Ljubomir"]
[Black "Raicevic, Vladimir"]
[WhiteElo "2615"]
[BlackElo "2440"]
[Result "1/2-1/2"]
[ECO "C11"]
[EventDate "1975.07.??"]
[PlyCount "35"]

1.e4 e6 2.Nf3 d5 3.Nc3 Nf6 4.e5 Nfd7 5.d4 c5 6.dxc5 Nc6 7.Bf4 Bxc5 8.Bd3 
Nf8 9.a3 Ng6 10.Bg3 O-O 11.O-O a6 12.Ne2 b5 13.c3 Bd7 14.Nf4 Ncxe5 15.Nxe5
Nxe5 16.Nxe6 Bxe6 17.Bxe5 Qg5 18.Re1 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "10"]
[White "Makarichev, Sergei"]
[Black "Razuvaev, Yury"]
[WhiteElo "2440"]
[BlackElo "2515"]
[Result "1/2-1/2"]
[ECO "C95"]
[EventDate "1975.07.??"]
[PlyCount "36"]

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.b3 Bg7 17.d5 Qc7 18.Be3 Rab8 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "10"]
[White "Ree, Hans"]
[Black "Jansa, Vlastimil"]
[WhiteElo "2470"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "E62"]
[EventDate "1975.07.??"]
[PlyCount "79"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 O-O 5.Nf3 d6 6.O-O c6 7.Nc3 Qa5 8.h3 Be6 
9.d5 cxd5 10.Nd4 Bd7 11.cxd5 Rc8 12.Be3 Na6 13.Qd2 Nc5 14.Rfc1 Na4 15.Nb3 
Qb4 16.Nxa4 Qxa4 17.Qa5 Ne8 18.Qxa4 Bxa4 19.Nd4 Bd7 20.b3 f5 21.Rab1 Nf6 
22.a4 a6 23.Ne6 Bxe6 24.dxe6 Ne4 25.Bxe4 fxe4 26.Rc4 d5 27.Rxc8+ Rxc8 28.
Rd1 d4 29.Bxd4 Rd8 30.e3 Bxd4 31.exd4 Kg7 32.d5 Kf6 33.Rd4 Ke5 34.Rb4 b5 
35.axb5 a5 36.Ra4 Rxd5 37.b4 Rd4 38.Rxa5 Rxb4 39.Ra7 Kxe6 40.Rb7 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "10"]
[White "Smejkal, Jan"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2600"]
[BlackElo "2555"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1975.07.??"]
[PlyCount "24"]

1.Nf3 Nf6 2.c4 b6 3.g3 Bb7 4.Bg2 c5 5.O-O g6 6.Nc3 Bg7 7.d3 O-O 8.e4 Nc6 
9.h3 e6 10.Be3 d5 11.exd5 exd5 12.d4 Na5 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "10"]
[White "Uhlmann, Wolfgang"]
[Black "Gheorghiu, Florin"]
[WhiteElo "2535"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1975.07.??"]
[PlyCount "108"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.g3 b6 5.d4 cxd4 6.Qxd4 Bb7 7.Bg2 Be7 8.O-O d6
9.Rd1 a6 10.b3 Nbd7 11.Bb2 O-O 12.Qd2 Qc7 13.Nd4 Bxg2 14.Kxg2 Qb7+ 15.f3 
Rfc8 16.e4 Ne8 17.Qe2 Bf6 18.Rac1 Ne5 19.Rd2 h6 20.Nd1 Nc6 21.Nxc6 Rxc6 
22.Bxf6 Nxf6 23.Ne3 b5 24.Rcd1 Qb6 25.Rd4 Rac8 26.Qd2 Qa7 27.Qf2 bxc4 28.
Rxc4 Rxc4 29.Nxc4 Qxf2+ 30.Kxf2 d5 31.exd5 Nxd5 32.Ne3 Nxe3 33.Kxe3 Rc3+ 
34.Rd3 Rc2 35.Rd8+ Kh7 36.Rd2 Rc3+ 37.Ke4 f5+ 38.Ke5 Re3+ 39.Kd6 Rxf3 40.
Kxe6 f4 41.gxf4 Rxf4 42.Ke5 Rh4 43.Kd5 Rf4 44.Kc5 Rf5+ 45.Kb6 Rf6+ 46.Ka5 
g5 47.b4 Kg6 48.a4 Kh5 49.b5 axb5 50.axb5 Kh4 51.Rd3 Rf5 52.Rb3 g4 53.Ka6 
Rf3 54.Rb2 Kh3 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "11"]
[White "Gheorghiu, Florin"]
[Black "Ljubojevic, Ljubomir"]
[WhiteElo "2540"]
[BlackElo "2615"]
[Result "0-1"]
[ECO "B96"]
[EventDate "1975.07.??"]
[PlyCount "56"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 b5 8.e5 dxe5 
9.fxe5 Qc7 10.exf6 Qe5+ 11.Be2 Qxg5 12.Qd3 Qxf6 13.Rf1 Qe5 14.O-O-O Ra7 
15.Nf3 Qf4+ 16.Nd2 Qc7 17.Bh5 g6 18.Qd4 e5 19.Qf2 Bc5 20.Qf6 O-O 21.Nd5 
Be7 22.Qf3 Bb7 23.Nxe7+ Qxe7 24.Qf2 Bd5 25.Bf3 Bxa2 26.Ne4 Rc7 27.Qb6 Rfc8
28.Nf6+ Qxf6 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "11"]
[White "Jansa, Vlastimil"]
[Black "Makarichev, Sergei"]
[WhiteElo "2540"]
[BlackElo "2440"]
[Result "0-1"]
[ECO "C43"]
[EventDate "1975.07.??"]
[PlyCount "94"]

1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.O-O O-O 7.c4 Bxe5 8.dxe5
Nc6 9.f4 Bf5 10.Nc3 Nxc3 11.bxc3 Bxd3 12.Qxd3 dxc4 13.Qxc4 Qd7 14.Rb1 b6 
15.Rb2 Rad8 16.Re2 Qd3 17.Qxd3 Rxd3 18.Re3 Rfd8 19.Kf2 Kf8 20.Ke2 Rxe3+ 
21.Bxe3 Rd5 22.Kf3 Na5 23.Ke4 Nc4 24.Bd4 Rd8 25.Kd3 Na3 26.Ke2 c5 27.Be3 
Nc4 28.Bc1 Ke7 29.Rf3 Ke6 30.Rh3 h6 31.Rf3 h5 32.Rg3 g6 33.Rg5 b5 34.Rg3 
a5 35.Be3 Rd5 36.Bc1 Kf5 37.Rd3 Rxd3 38.Kxd3 a4 39.g3 g5 40.fxg5 Nxe5+ 41.
Kc2 c4 42.h4 Nd3 43.Ba3 Kg4 44.Bd6 Nf2 45.Be5 Ne4 46.Kd1 Nxg3 47.Ke1 Kf3 
0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "11"]
[White "Kavalek, Lubomir"]
[Black "Bohm, Hans"]
[WhiteElo "2555"]
[BlackElo "2300"]
[Result "0-1"]
[ECO "B17"]
[EventDate "1975.07.??"]
[PlyCount "74"]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Ned2 e6 7.g3 b6 8.Bg2 
Ba6 9.c4 Bb7 10.Qe2 Be7 11.O-O O-O 12.Re1 Re8 13.Ne5 Nxe5 14.dxe5 Nd7 15.
Nf3 c5 16.h4 Nf8 17.h5 h6 18.Bf4 Qc7 19.Nd2 Bxg2 20.Kxg2 Rad8 21.Nf3 Qc6 
22.Rad1 Nh7 23.Kh3 Rxd1 24.Rxd1 Rd8 25.Rxd8+ Bxd8 26.Qd3 Be7 27.b3 Nf8 28.
g4 Nd7 29.Kg3 Nf8 30.Qe3 Nh7 31.Qd2 Qb7 32.Qd3 Qc6 33.Qd1 Qb7 34.Qd3 Qc6 
35.Nd2 Qh1 36.Nf3 Nf8 37.Qe4 Bh4+ 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "11"]
[White "Raicevic, Vladimir"]
[Black "Smejkal, Jan"]
[WhiteElo "2440"]
[BlackElo "2600"]
[Result "0-1"]
[ECO "B42"]
[EventDate "1975.07.??"]
[PlyCount "80"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 Be7 8.Nc3 O-O
9.b3 Nc6 10.Nxc6 bxc6 11.Bb2 Bb7 12.Qe2 Nd7 13.Rad1 Qc7 14.Bb1 Rad8 15.Rd3
e5 16.f4 exf4 17.Rxf4 Ne5 18.Rg3 Rfe8 19.Qh5 g6 20.Rxf7 Qb6+ 21.Kh1 Kxf7 
22.Qxh7+ Ke6 23.Qh3+ Kf7 24.Nd5 cxd5 25.exd5 Rf8 26.Qe6+ Ke8 27.Bxg6+ Nxg6
28.Qxg6+ Kd7 29.Qe6+ Kc7 30.Qxe7+ Kb8 31.Rf3 Rxf3 32.gxf3 Rg8 33.Qe1 Qd8 
34.Ba3 Qf6 35.Qf1 Bc8 36.Bc1 Qd4 37.Qe1 Bh3 38.Be3 Bg2+ 39.Kg1 Bxf3+ 40.
Kf2 Rg2+ 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "11"]
[White "Razuvaev, Yury"]
[Black "Huebner, Robert"]
[WhiteElo "2515"]
[BlackElo "2615"]
[Result "1/2-1/2"]
[ECO "B42"]
[EventDate "1975.07.??"]
[PlyCount "81"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.Qe2 Be7 8.c4 O-O
9.b3 Re8 10.Bb2 Bf8 11.Nc3 g6 12.Rad1 Bg7 13.Bb1 Qc7 14.Qd2 Nbd7 15.f4 Nc5
16.Nf3 e5 17.f5 b5 18.b4 Ncd7 19.cxb5 Nb6 20.a4 Nc4 21.Qe2 Qa7+ 22.Kh1 Ne3
23.Ba2 Nxd1 24.Qxd1 gxf5 25.Ng5 Rf8 26.Qxd6 h6 27.Nf3 axb5 28.Nxe5 bxa4 
29.b5 a3 30.b6 Qa6 31.Bc4 axb2 32.Bxa6 Bxa6 33.Rb1 Nxe4 34.Nxe4 fxe4 35.h3
Rfe8 36.Ng4 Bd3 37.Nxh6+ Bxh6 38.Qxh6 Bxb1 39.Qg5+ Kf8 40.Qc5+ Kg7 41.Qg5+
1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "11"]
[White "Sosonko, Gennadi"]
[Black "Ree, Hans"]
[WhiteElo "2470"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "A40"]
[EventDate "1975.07.??"]
[PlyCount "33"]

1.d4 e6 2.c4 Bb4+ 3.Bd2 Qe7 4.g3 f5 5.Bg2 Nf6 6.Nf3 O-O 7.O-O Bxd2 8.Qxd2 
Ne4 9.Qc2 d6 10.Nc3 Nxc3 11.Qxc3 Nd7 12.b4 e5 13.e3 e4 14.Nd2 Nf6 15.f3 
exf3 16.Bxf3 c6 17.Rae1 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "11"]
[White "Szabo, Laszlo"]
[Black "Uhlmann, Wolfgang"]
[WhiteElo "2545"]
[BlackElo "2535"]
[Result "1/2-1/2"]
[ECO "D86"]
[EventDate "1975.07.??"]
[PlyCount "42"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2
Nc6 9.O-O b6 10.Be3 Bb7 11.Qd2 Na5 12.Bd3 c5 13.Bh6 cxd4 14.Bxg7 Kxg7 15.
cxd4 Rc8 16.Rac1 Qd7 17.d5 e6 18.Nf4 exd5 19.Nh5+ gxh5 20.Qg5+ Kh8 21.Qf6+
Kg8 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "11"]
[White "Timman, Jan"]
[Black "Hamann, Svend"]
[WhiteElo "2510"]
[BlackElo "2485"]
[Result "1-0"]
[ECO "B99"]
[EventDate "1975.07.??"]
[PlyCount "57"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7
9.O-O-O Nbd7 10.Bd3 h6 11.Qh3 Nb6 12.f5 e5 13.Nb3 Bd7 14.Be3 Nc4 15.Bxc4 
Qxc4 16.Nd2 Qc6 17.Bg5 Rc8 18.Bxf6 Bxf6 19.Qd3 O-O 20.Kb1 b5 21.Nf1 b4 22.
Nd5 Qb7 23.Nxf6+ gxf6 24.Ng3 Ba4 25.b3 Bb5 26.Qd2 Qc6 27.Nh5 d5 28.exd5 
Qd6 29.Qxh6 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "12"]
[White "Bohm, Hans"]
[Black "Raicevic, Vladimir"]
[WhiteElo "2300"]
[BlackElo "2440"]
[Result "1-0"]
[ECO "D02"]
[EventDate "1975.07.??"]
[PlyCount "85"]

1.d4 d5 2.Nf3 Nf6 3.c3 c6 4.Bg5 Bf5 5.e3 Nbd7 6.Nbd2 h6 7.Bh4 e6 8.Ne5 
Nxe5 9.dxe5 g5 10.Bg3 Nd7 11.Nb3 Qb6 12.Bd3 Bxd3 13.Qxd3 Bg7 14.f4 c5 15.
c4 Qb4+ 16.Nd2 Nb6 17.cxd5 Nxd5 18.O-O O-O-O 19.Ne4 gxf4 20.exf4 Qxb2 21.
Rab1 Qd4+ 22.Qxd4 cxd4 23.Nd6+ Rxd6 24.exd6 f5 25.d7+ Kc7 26.Bh4 b6 27.
d8=Q+ Rxd8 28.Bxd8+ Kxd8 29.Rf3 Kd7 30.Kf1 Kd6 31.Re1 Bf6 32.Ke2 a5 33.a4 
Nc3+ 34.Rxc3 dxc3 35.Kd3 Kd5 36.Re3 h5 37.Rh3 h4 38.g3 Kc5 39.gxh4 Kb4 40.
Re3 Kb3 41.Rxe6 b5 42.Rxf6 b4 43.Rc6 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "12"]
[White "Hamann, Svend"]
[Black "Razuvaev, Yury"]
[WhiteElo "2485"]
[BlackElo "2515"]
[Result "1/2-1/2"]
[ECO "B46"]
[EventDate "1975.07.??"]
[PlyCount "113"]

1.e4 c5 2.Nf3 e6 3.Nc3 Nc6 4.d4 cxd4 5.Nxd4 a6 6.g3 Nge7 7.Bg2 Nxd4 8.Qxd4
Nc6 9.Qd2 b5 10.O-O Bb7 11.b3 Bc5 12.Bb2 O-O 13.Ne2 e5 14.Rad1 d6 15.Nc1 
a5 16.Nd3 Bb6 17.Ne1 Qc8 18.Nf3 Rd8 19.Nh4 Ne7 20.Rc1 f6 21.c4 b4 22.Qe2 
a4 23.Rcd1 Bc5 24.Kh1 Bc6 25.f4 axb3 26.axb3 Qb7 27.Rd2 Re8 28.fxe5 dxe5 
29.Rfd1 Qc7 30.Bh3 Red8 31.Be6+ Kh8 32.Nf5 Rxd2 33.Rxd2 Nxf5 34.Bxf5 Rd8 
35.Qh5 g6 36.Rxd8+ Kg7 37.Bxg6 hxg6 38.Qh8+ Kf7 39.h4 Bxe4+ 40.Kh2 Ke6 41.
g4 Qa7 42.Kh3 Qb7 43.g5 Be7 44.Re8 Kf5 45.Rb8 Qd7 46.Qc8 Qxc8 47.Rxc8 fxg5
48.Re8 Ke6 49.hxg5 Kd7 50.Rb8 Bc2 51.Bxe5 Bxb3 52.Rb7+ Ke6 53.Bf6 Bd6 54.
Rg7 Kf5 55.Rd7 Ke6 56.Rg7 Kf5 57.Rd7 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "12"]
[White "Jansa, Vlastimil"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2540"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "A45"]
[EventDate "1975.07.??"]
[PlyCount "53"]

1.d4 Nf6 2.Bg5 Ne4 3.Bf4 d5 4.f3 Nf6 5.e4 dxe4 6.Nc3 exf3 7.Nxf3 e6 8.Bc4 
c6 9.Qe2 Nbd7 10.O-O-O Nb6 11.d5 Nbxd5 12.Bxd5 Nxd5 13.Rxd5 cxd5 14.Nb5 f6
15.Nc7+ Kf7 16.Nxa8 Bd6 17.Bxd6 Qxd6 18.Rf1 Bd7 19.Ne5+ Ke7 20.Qg4 Rg8 21.
Nxd7 Qxd7 22.Qg3 Qd6 23.Nc7 Qxg3 24.hxg3 a6 25.Re1 Kd6 26.Rxe6+ Kxc7 27.
Re7+ 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "12"]
[White "Ljubojevic, Ljubomir"]
[Black "Szabo, Laszlo"]
[WhiteElo "2615"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "C00"]
[EventDate "1975.07.??"]
[PlyCount "30"]

1.e4 e6 2.d3 d5 3.Nd2 Nf6 4.Ngf3 c5 5.c3 Nc6 6.a3 Be7 7.Be2 O-O 8.O-O Qc7 
9.Qc2 b6 10.b4 Bb7 11.bxc5 bxc5 12.Re1 Bd6 13.exd5 exd5 14.Nf1 Ne5 15.Rb1 
Rfe8 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "12"]
[White "Makarichev, Sergei"]
[Black "Huebner, Robert"]
[WhiteElo "2440"]
[BlackElo "2615"]
[Result "1-0"]
[ECO "C04"]
[EventDate "1975.07.??"]
[PlyCount "89"]

1.e4 e6 2.d4 d5 3.Nd2 Nc6 4.Ngf3 Nf6 5.e5 Nd7 6.Be2 f6 7.exf6 Qxf6 8.Nf1 
e5 9.Ne3 e4 10.Nxd5 Qd6 11.c4 exf3 12.Bf4 Qxf4 13.Nxf4 Bb4+ 14.Kf1 O-O 15.
Bxf3 Rxf4 16.Bxc6 bxc6 17.c5 Nxc5 18.a3 Ne4 19.axb4 Rxf2+ 20.Kg1 Rf6 21.
Qe1 Nd6 22.h3 Be6 23.Kh2 Bd5 24.Qh4 h6 25.Rhf1 Re6 26.Rae1 Rae8 27.Rxe6 
Rxe6 28.Re1 Rxe1 29.Qxe1 Kf7 30.Qe5 Nb5 31.g4 Nd6 32.Kg3 Ne4+ 33.Kf4 Nd6 
34.h4 Kf8 35.Qe1 Kf7 36.Qf1 Kf6 37.Kg3+ Ke7 38.Qa6 Nb5 39.Qc8 Be6 40.Qh8 
Kf7 41.Qd8 Bd5 42.Kf4 Be6 43.Ke5 Bxg4 44.d5 Kg6 45.Qe8+ 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "12"]
[White "Ree, Hans"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2470"]
[BlackElo "2555"]
[Result "0-1"]
[ECO "A42"]
[EventDate "1975.07.??"]
[PlyCount "70"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 e5 5.d5 Nd7 6.Bd3 Nc5 7.Bc2 a5 8.Nge2 Nh6 
9.h4 f6 10.h5 Qe7 11.Be3 Ng4 12.Bd2 f5 13.exf5 e4 14.h6 Bf6 15.fxg6 hxg6 
16.Nf4 Bd4 17.Qe2 Nxf2 18.Nxg6 Qf6 19.Rf1 Qxg6 20.Rxf2 Bxf2+ 21.Qxf2 Bg4 
22.Qh4 Kd7 23.Qg5 Qxg5 24.Bxg5 Bf5 25.Be3 Rhg8 26.Kf2 Raf8 27.g3 Bh7+ 28.
Kg2 Rf3 29.Bf2 Rxf2+ 30.Kxf2 e3+ 31.Kxe3 Bxc2 32.Kf4 Nd3+ 33.Ke3 Rxg3+ 34.
Kd2 Rg2+ 35.Ne2 Ne5 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "12"]
[White "Smejkal, Jan"]
[Black "Gheorghiu, Florin"]
[WhiteElo "2600"]
[BlackElo "2540"]
[Result "1-0"]
[ECO "A30"]
[EventDate "1975.07.??"]
[PlyCount "79"]

1.Nf3 c5 2.c4 Nf6 3.g3 b6 4.Bg2 Bb7 5.Nc3 g6 6.O-O Bg7 7.d4 Ne4 8.Nd5 O-O 
9.Ng5 Nd6 10.dxc5 bxc5 11.Bf4 e5 12.Bc1 Nc6 13.b3 h6 14.Ne4 Nxe4 15.Bxe4 
f5 16.Bg2 e4 17.Rb1 Ne7 18.Nxe7+ Qxe7 19.Bf4 Rf6 20.h4 Kh7 21.Qd2 d6 22.
Rfd1 Bf8 23.b4 cxb4 24.Qxb4 Bc6 25.Rd4 Rd8 26.Rbd1 Re6 27.Qd2 Ba4 28.Rb1 
Bc6 29.Rd1 Ba4 30.Rb1 Bc6 31.Qa5 Bg7 32.Rdd1 Be5 33.Qa6 Bxf4 34.Qxc6 d5 
35.Rb7 Rxc6 36.Rxe7+ Kg8 37.gxf4 Rxc4 38.e3 Ra4 39.Rd2 a5 40.h5 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "12"]
[White "Uhlmann, Wolfgang"]
[Black "Timman, Jan"]
[WhiteElo "2535"]
[BlackElo "2510"]
[Result "0-1"]
[ECO "A42"]
[EventDate "1975.07.??"]
[PlyCount "128"]

1.c4 g6 2.Nc3 Bg7 3.d4 d6 4.e4 Nc6 5.d5 Nd4 6.Be3 c5 7.Nge2 Qb6 8.Na4 Qa5+
9.Bd2 Qa6 10.Nxd4 Bxd4 11.Be2 Nf6 12.Nc3 O-O 13.Qc2 Bg4 14.Bd3 Bd7 15.O-O 
Ng4 16.a4 f5 17.exf5 Bxf5 18.Bxf5 Rxf5 19.Nb5 Bxf2+ 20.Rxf2 Rxf2 21.Nc7 
Ne3 22.Qe4 Qxc4 23.Qe6+ Rf7 24.Bxe3 Rd8 25.h3 Qd3 26.Bg5 Qf5 27.Bh4 g5 28.
Bg3 Rc8 29.Nb5 a6 30.Nc3 h5 31.Re1 h4 32.Qxf5 Rxf5 33.Bf2 Rcf8 34.Be3 b5 
35.axb5 axb5 36.Ne4 Rxd5 37.Nxg5 c4 38.Nf3 b4 39.Bf2 e5 40.Bxh4 c3 41.bxc3
bxc3 42.Rc1 Rc8 43.Kf2 Rc4 44.Ke2 Re4+ 45.Kf2 Rc4 46.Ke2 Re4+ 47.Kf2 Rc5 
48.Be7 Rc6 49.Bxd6 Rxd6 50.Rxc3 Kg7 51.g4 Kf6 52.Rc8 Ke7 53.g5 Rd3 54.g6 
Kf6 55.Rc6+ Kg7 56.Ng5 Rd2+ 57.Kf3 Rb4 58.Ke3 Ra2 59.Kd3 Ra3+ 60.Kc2 Rg3 
61.Nf7 Re4 62.Nd6 Rf4 63.Kd2 Rxg6 64.Rc7+ Kf6 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "13"]
[White "Gheorghiu, Florin"]
[Black "Bohm, Hans"]
[WhiteElo "2540"]
[BlackElo "2300"]
[Result "1-0"]
[ECO "D46"]
[EventDate "1975.07.??"]
[PlyCount "81"]

1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 e6 5.Nf3 Nbd7 6.Bd3 Bd6 7.O-O O-O 8.e4 dxc4
9.Bxc4 e5 10.h3 b5 11.Bd3 exd4 12.Nxd4 Ne5 13.Bc2 b4 14.Na4 c5 15.Ne2 Be7 
16.f4 Ng6 17.e5 Nd7 18.Be4 Rb8 19.Be3 Qa5 20.a3 Rd8 21.axb4 Qxb4 22.Qc2 
Nb6 23.Nac3 Nc4 24.Bc1 Nb6 25.Rxa7 c4 26.Kh1 Qc5 27.Na4 Nxa4 28.Rxa4 Rb4 
29.Nc3 Rxa4 30.Nxa4 Qa7 31.Nc3 Bb7 32.Qe2 Bxe4 33.Qxe4 Qc5 34.Be3 Qc7 35.
Nd5 Qd7 36.Rd1 Kh8 37.Qxc4 Qf5 38.Kh2 Bf8 39.Rd2 Rc8 40.Qd3 Qe6 41.b4 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "13"]
[White "Huebner, Robert"]
[Black "Hamann, Svend"]
[WhiteElo "2615"]
[BlackElo "2485"]
[Result "1/2-1/2"]
[ECO "A20"]
[EventDate "1975.07.??"]
[PlyCount "70"]

1.g3 e5 2.Bg2 Nf6 3.c4 c6 4.Nf3 e4 5.Nd4 d5 6.cxd5 cxd5 7.d3 Qb6 8.Nc2 Nc6
9.O-O Bf5 10.Nc3 Rd8 11.Bg5 Be7 12.dxe4 dxe4 13.Qc1 O-O 14.Ne3 Bg6 15.Bxf6
Bxf6 16.Ned5 Qd4 17.Rd1 Qe5 18.Nxf6+ gxf6 19.Qe3 f5 20.Rac1 Nd4 21.Rd2 Rd6
22.Rcd1 Rfd8 23.f3 Nc2 24.Rxc2 Rxd1+ 25.Nxd1 Rxd1+ 26.Kf2 b6 27.a3 Kg7 28.
Rd2 Rb1 29.b4 Ra1 30.h4 Qf6 31.Bh3 f4 32.Qxf4 Qxf4 33.gxf4 Rxa3 34.e3 exf3
35.Kxf3 a5 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "13"]
[White "Kavalek, Lubomir"]
[Black "Jansa, Vlastimil"]
[WhiteElo "2555"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1975.07.??"]
[PlyCount "27"]

1.Nf3 Nf6 2.c4 c5 3.Nc3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 
Nc6 9.Qf4 O-O 10.Rd1 Qb8 11.b3 Rd8 12.Bb2 Qxf4 13.gxf4 Na5 14.Ne5 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "13"]
[White "Raicevic, Vladimir"]
[Black "Ree, Hans"]
[WhiteElo "2440"]
[BlackElo "2470"]
[Result "1/2-1/2"]
[ECO "A36"]
[EventDate "1975.07.??"]
[PlyCount "83"]

1.c4 g6 2.Nc3 c5 3.g3 Bg7 4.Bg2 Nc6 5.a3 e6 6.Rb1 a5 7.e4 Nge7 8.Nge2 O-O 
9.O-O b6 10.Nb5 d5 11.d4 cxd4 12.exd5 exd5 13.Bg5 f6 14.cxd5 Nxd5 15.Qb3 
Be6 16.Nexd4 Nxd4 17.Nxd4 Bf7 18.Nc6 Ne7 19.Qxf7+ Kxf7 20.Nxd8+ Raxd8 21.
Be3 Nd5 22.Bxd5+ Rxd5 23.Bxb6 Rb8 24.Bc7 Rb7 25.Rfc1 a4 26.Bf4 Bf8 27.Rc3 
Rdb5 28.Bc1 Rb3 29.Rxb3 Rxb3 30.Ra1 Bc5 31.Kg2 Ke6 32.h4 h5 33.Rb1 Bd4 34.
Kf1 Kd5 35.Ke2 Ke4 36.Bd2 Bxb2 37.f3+ Kd5 38.Bb4 Be5 39.Rd1+ Ke6 40.f4 Bc7
41.Rc1 Kd7 42.Rd1+ 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "13"]
[White "Razuvaev, Yury"]
[Black "Uhlmann, Wolfgang"]
[WhiteElo "2515"]
[BlackElo "2535"]
[Result "1-0"]
[ECO "D86"]
[EventDate "1975.07.??"]
[PlyCount "57"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2
Nc6 9.Bg5 Qd7 10.O-O Na5 11.Bd3 c5 12.d5 c4 13.Bc2 e6 14.Qd2 exd5 15.exd5 
b6 16.Rad1 Re8 17.Ng3 f5 18.Rfe1 Bb7 19.d6 Rxe1+ 20.Rxe1 Bf8 21.Be7 Bg7 
22.Qg5 Qe8 23.h4 Bc8 24.Qd2 Bd7 25.Bg5 Qc8 26.h5 Qc6 27.Re7 Rf8 28.h6 Bh8 
29.Bd1 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "13"]
[White "Sosonko, Gennadi"]
[Black "Makarichev, Sergei"]
[WhiteElo "2470"]
[BlackElo "2440"]
[Result "1/2-1/2"]
[ECO "E00"]
[EventDate "1975.07.??"]
[PlyCount "41"]

1.d4 e6 2.c4 Nf6 3.g3 Bb4+ 4.Nd2 c5 5.dxc5 O-O 6.Bg2 Nc6 7.Nf3 Bxc5 8.O-O 
b6 9.a3 Bb7 10.b4 Be7 11.Bb2 Rc8 12.Qb1 h6 13.Rd1 Qc7 14.Ne4 Nxe4 15.Qxe4 
Rfd8 16.Qg4 Bf8 17.Bf6 Re8 18.Rac1 d6 19.Bb2 Qe7 20.h4 Rc7 21.Rc2 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "13"]
[White "Szabo, Laszlo"]
[Black "Smejkal, Jan"]
[WhiteElo "2545"]
[BlackElo "2600"]
[Result "1/2-1/2"]
[ECO "D79"]
[EventDate "1975.07.??"]
[PlyCount "20"]

1.d4 Nf6 2.Nf3 g6 3.g3 Bg7 4.Bg2 O-O 5.O-O d5 6.c4 c6 7.cxd5 cxd5 8.Nc3 
Ne4 9.Nxe4 dxe4 10.Ng5 Qxd4 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "13"]
[White "Timman, Jan"]
[Black "Ljubojevic, Ljubomir"]
[WhiteElo "2510"]
[BlackElo "2615"]
[Result "0-1"]
[ECO "A65"]
[EventDate "1975.07.??"]
[PlyCount "50"]

1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 g6 6.e4 d6 7.Bd3 Bg7 8.Nge2 O-O
9.O-O a6 10.a4 Qc7 11.h3 Nbd7 12.f4 Rb8 13.Be3 Re8 14.Ng3 c4 15.Bc2 Nc5 
16.Bd4 b5 17.axb5 axb5 18.e5 dxe5 19.fxe5 Rxe5 20.Qf3 Rg5 21.Nge4 Ncxe4 
22.Bxe4 Ng4 23.d6 Bxd4+ 24.Kh1 Qxd6 25.Qxf7+ Kh8 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "14"]
[White "Bohm, Hans"]
[Black "Szabo, Laszlo"]
[WhiteElo "2300"]
[BlackElo "2545"]
[Result "1/2-1/2"]
[ECO "E31"]
[EventDate "1975.07.??"]
[PlyCount "37"]

1.d4 e6 2.c4 Nf6 3.Nc3 Bb4 4.Bg5 h6 5.Bh4 c5 6.d5 d6 7.e3 Bxc3+ 8.bxc3 e5 
9.f3 Bf5 10.Bd3 Bxd3 11.Qxd3 Nbd7 12.e4 Nf8 13.Rb1 b6 14.Qc2 Ng6 15.Bxf6 
Qxf6 16.Qa4+ Ke7 17.Ne2 Nf4 18.Nxf4 Qxf4 19.O-O 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "14"]
[White "Jansa, Vlastimil"]
[Black "Raicevic, Vladimir"]
[WhiteElo "2540"]
[BlackElo "2440"]
[Result "0-1"]
[ECO "C07"]
[EventDate "1975.07.??"]
[PlyCount "112"]

1.e4 e6 2.d4 d5 3.Nd2 c5 4.Ngf3 Nc6 5.Bb5 cxd4 6.Nxd4 Bd7 7.Nxc6 Bxc6 8.
Bxc6+ bxc6 9.O-O Nf6 10.Re1 Be7 11.e5 Nd7 12.Qg4 O-O 13.Nf3 Kh8 14.b3 a5 
15.a4 Rb8 16.Bd2 Bb4 17.Rad1 Bxd2 18.Rxd2 Rb4 19.Nd4 Qb8 20.Qg5 Rb6 21.Rd3
Qd8 22.Qg4 Qe7 23.Rg3 Rg8 24.Rh3 Rc8 25.Ree3 Qa3 26.Nf3 Qc1+ 27.Re1 Nxe5 
28.Qxg7+ Kxg7 29.Rxc1 Nxf3+ 30.Rxf3 c5 31.Rg3+ Kf6 32.Rf3+ Ke7 33.c4 d4 
34.Rh3 Rcb8 35.Rh5 Kd6 36.Rxh7 Rxb3 37.Kf1 Rb1 38.Rxb1 Rxb1+ 39.Ke2 Rb2+ 
40.Kf3 f5 41.Ra7 e5 42.Ra6+ Ke7 43.Rxa5 e4+ 44.Kg3 Kd6 45.Ra6+ Ke5 46.f4+ 
exf3 47.Kxf3 Rb3+ 48.Kf2 d3 49.h4 Kd4 50.Rd6+ Kxc4 51.a5 Kc3 52.a6 Rb8 53.
a7 Ra8 54.Ke3 c4 55.Ra6 Re8+ 56.Kf4 d2 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "14"]
[White "Ljubojevic, Ljubomir"]
[Black "Razuvaev, Yury"]
[WhiteElo "2615"]
[BlackElo "2515"]
[Result "1-0"]
[ECO "C43"]
[EventDate "1975.07.??"]
[PlyCount "103"]

1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.O-O O-O 7.Nd2 Bxe5 8.
dxe5 Nc5 9.Nb3 Nxd3 10.Qxd3 Nc6 11.f4 f6 12.exf6 Qxf6 13.Qxd5+ Be6 14.Qc5 
Rad8 15.Bd2 Qxb2 16.Bc3 Qxc2 17.Bxg7 Qxc5+ 18.Nxc5 Rfe8 19.Bc3 Rd5 20.Ne4 
Rf8 21.Nf6+ Rxf6 22.Bxf6 Kf7 23.Bb2 Nb4 24.f5 Rxf5 25.Rac1 c6 26.Rxf5+ 
Bxf5 27.Rc4 Nd3 28.Bd4 Ke6 29.Bxa7 c5 30.Bxc5 Kd5 31.Rh4 Nxc5 32.Rh5 Ke6 
33.g4 Bxg4 34.Rxc5 Bf3 35.Kf2 Kd6 36.Rc3 Bd5 37.a3 Be4 38.Ke3 Bg6 39.Kd4 
b6 40.h4 Bh5 41.Rc2 Bd1 42.Rc1 Bg4 43.Rg1 Be2 44.Rg7 h5 45.Rg6+ Kc7 46.Ke3
Bd1 47.Rg1 Ba4 48.Kf4 Bb5 49.Re1 Bd7 50.Re7 Kd6 51.Rxd7+ Kxd7 52.Kg5 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "14"]
[White "Makarichev, Sergei"]
[Black "Hamann, Svend"]
[WhiteElo "2440"]
[BlackElo "2485"]
[Result "1-0"]
[ECO "B90"]
[EventDate "1975.07.??"]
[PlyCount "67"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be3 e5 7.Nf3 Qc7 8.Bg5 
Nbd7 9.a4 h6 10.Bh4 b6 11.Nd2 Be7 12.Bc4 Bb7 13.Qe2 O-O 14.O-O Rfc8 15.
Rfd1 d5 16.Bxf6 Nxf6 17.Nxd5 Nxd5 18.exd5 Qc5 19.Qe4 Bd6 20.Bb3 b5 21.Qd3 
Qb6 22.Ne4 Bb8 23.axb5 axb5 24.Rxa8 Bxa8 25.d6 Bxe4 26.d7 Rd8 27.Qxe4 Ba7 
28.Qxe5 Qxf2+ 29.Kh1 Qe3 30.Qxb5 Bd4 31.Qd5 Bxb2 32.Qxf7+ Kh8 33.Be6 Qg5 
34.Qe8+ 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "14"]
[White "Ree, Hans"]
[Black "Gheorghiu, Florin"]
[WhiteElo "2470"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "E45"]
[EventDate "1975.07.??"]
[PlyCount "43"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.Ng3 Bxc3+ 7.bxc3 d5 8.Qf3 
O-O 9.cxd5 exd5 10.Bxa6 Nxa6 11.Qe2 Qc8 12.O-O c5 13.Bb2 Re8 14.dxc5 bxc5 
15.Rad1 c4 16.Nh5 Nxh5 17.Qxh5 Qb7 18.Ba3 Rad8 19.Rd4 g6 20.Qf3 Qc6 21.Rb1
Rd7 22.Qd1 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "14"]
[White "Smejkal, Jan"]
[Black "Timman, Jan"]
[WhiteElo "2600"]
[BlackElo "2510"]
[Result "1-0"]
[ECO "C93"]
[EventDate "1975.07.??"]
[PlyCount "91"]

1.Nf3 Nc6 2.e4 e5 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 
9.h3 h6 10.d4 Re8 11.Nbd2 Bf8 12.Nf1 Bd7 13.Ng3 Na5 14.Bc2 c5 15.b3 Nc6 
16.d5 Ne7 17.Be3 Kh8 18.b4 Nc8 19.a4 Nb6 20.axb5 axb5 21.Bd3 Qc7 22.Qe2 
Rxa1 23.Rxa1 Nbxd5 24.exd5 e4 25.Nxe4 Nxe4 26.Bxe4 Rxe4 27.Ra8 Be8 28.Qd3 
Qb7 29.Rd8 Qe7 30.Rc8 cxb4 31.cxb4 Rxb4 32.Nd4 Kg8 33.Rb8 Rc4 34.Nf5 Qd7 
35.Bd4 g6 36.Ne3 Rc8 37.Ng4 Be7 38.Rxc8 Qxc8 39.Qe3 Qd8 40.Qxh6 f6 41.h4 
Bf8 42.Qf4 f5 43.Nf6+ Kf7 44.h5 Qc8 45.Qg5 gxh5 46.Nh7 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "14"]
[White "Sosonko, Gennadi"]
[Black "Kavalek, Lubomir"]
[WhiteElo "2470"]
[BlackElo "2555"]
[Result "1/2-1/2"]
[ECO "E99"]
[EventDate "1975.07.??"]
[PlyCount "71"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O Nc6 8.d5 Ne7 
9.Ne1 Nd7 10.Nd3 f5 11.Bd2 Nf6 12.f3 f4 13.c5 g5 14.cxd6 cxd6 15.Rc1 Ng6 
16.Nb5 Rf7 17.Nf2 a6 18.Na3 b5 19.Nc2 Bf8 20.Nb4 Rg7 21.a4 g4 22.fxg4 h5 
23.h3 hxg4 24.hxg4 bxa4 25.Nc6 Qe8 26.Rc3 Nh8 27.Rh3 Nf7 28.Rh1 Ng5 29.
Qxa4 Raa7 30.Rh6 Raf7 31.Rc1 Bd7 32.Rc3 Rh7 33.Rg6+ Rhg7 34.Rh6 Rh7 35.
Rg6+ Rhg7 36.Rh6 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "14"]
[White "Uhlmann, Wolfgang"]
[Black "Huebner, Robert"]
[WhiteElo "2535"]
[BlackElo "2615"]
[Result "1/2-1/2"]
[ECO "A40"]
[EventDate "1975.07.??"]
[PlyCount "44"]

1.c4 g6 2.e4 Bg7 3.d4 Nc6 4.Nf3 d6 5.d5 Nb8 6.Nc3 e5 7.dxe6 Bxe6 8.Nd4 Nc6
9.Be3 Nxd4 10.Bxd4 Nf6 11.Be2 O-O 12.O-O Re8 13.Re1 c6 14.Qd2 Bf8 15.Rad1 
Nd7 16.Be3 f6 17.b3 a6 18.Qc2 Qe7 19.Bf4 Ne5 20.Bg3 b5 21.Nb1 Qb7 22.h3 
Qb6 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "15"]
[White "Gheorghiu, Florin"]
[Black "Jansa, Vlastimil"]
[WhiteElo "2540"]
[BlackElo "2540"]
[Result "1/2-1/2"]
[ECO "A33"]
[EventDate "1975.07.??"]
[PlyCount "23"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.d4 cxd4 5.Nxd4 Nc6 6.Ndb5 Bc5 7.a3 O-O 8.b4 
Be7 9.Nd6 Ne8 10.Bf4 b6 11.e4 Nxd6 12.Bxd6 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "15"]
[White "Hamann, Svend"]
[Black "Uhlmann, Wolfgang"]
[WhiteElo "2485"]
[BlackElo "2535"]
[Result "0-1"]
[ECO "E92"]
[EventDate "1975.07.??"]
[PlyCount "58"]

1.c4 g6 2.Nc3 Bg7 3.d4 Nf6 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.d5 a5 8.O-O Na6 9.
Bg5 h6 10.Bh4 Qe8 11.Ne1 Nh7 12.Nd3 Bd7 13.f3 b6 14.Qd2 f5 15.g4 h5 16.
gxf5 gxf5 17.Kh1 f4 18.Rg1 Kh8 19.Nd1 Qf7 20.N1f2 Bf6 21.Bxf6+ Qxf6 22.Qc3
Rg8 23.b3 Ng5 24.a3 Rg7 25.Rg2 Rag8 26.Rag1 Nc5 27.Nxc5 Bh3 28.Rxg5 Rxg5 
29.Ng4 bxc5 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "15"]
[White "Huebner, Robert"]
[Black "Ljubojevic, Ljubomir"]
[WhiteElo "2615"]
[BlackElo "2615"]
[Result "0-1"]
[ECO "A33"]
[EventDate "1975.07.??"]
[PlyCount "44"]

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.d4 cxd4 5.Nxd4 Nc6 6.Ndb5 Bc5 7.a3 O-O 8.b4 
Be7 9.Nd6 Ne8 10.Bf4 b6 11.e4 Nxd6 12.Bxd6 Bxd6 13.Qxd6 Qf6 14.Rc1 Ne5 15.
Be2 Bb7 16.O-O Rfc8 17.Rfd1 g5 18.Qd4 Bc6 19.a4 d6 20.Ra1 Kg7 21.a5 Be8 
22.g3 Rxc4 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "15"]
[White "Kavalek, Lubomir"]
[Black "Makarichev, Sergei"]
[WhiteElo "2555"]
[BlackElo "2440"]
[Result "0-1"]
[ECO "A05"]
[EventDate "1975.07.??"]
[PlyCount "104"]

1.Nf3 Nf6 2.g3 b5 3.a4 b4 4.Bg2 Bb7 5.O-O e6 6.d3 Be7 7.e4 d6 8.Nbd2 O-O 
9.Re1 Nbd7 10.Nc4 a5 11.Nfd2 d5 12.e5 Ne8 13.Nf1 c5 14.Ncd2 Qb6 15.Nf3 f5 
16.exf6 Bxf6 17.Ne3 Nd6 18.Ng4 Rae8 19.Nxf6+ Rxf6 20.Bg5 Rff8 21.Bf4 Nf7 
22.Ne5 Nfxe5 23.Bxe5 Rf5 24.f4 Nxe5 25.Rxe5 Rxe5 26.fxe5 d4 27.b3 Bxg2 28.
Kxg2 Rf8 29.Qe2 Qb7+ 30.Kg1 Qf7 31.Re1 g5 32.h3 Qf5 33.Qg2 Kg7 34.Re4 Kg6 
35.h4 Qf3 36.Qxf3 Rxf3 37.Kg2 Re3 38.Rxe3 dxe3 39.hxg5 Kxg5 40.Kf3 Kf5 41.
Kxe3 Kxe5 42.Ke2 Kd4 43.Kd2 e5 44.Ke2 e4 45.dxe4 Kxe4 46.Kf2 Kd4 47.Ke2 c4
48.bxc4 Kxc4 49.Kd2 Kd4 50.Ke2 Kc3 51.Kd1 h5 52.Kc1 b3 0-1

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "15"]
[White "Raicevic, Vladimir"]
[Black "Sosonko, Gennadi"]
[WhiteElo "2440"]
[BlackElo "2470"]
[Result "1-0"]
[ECO "E49"]
[EventDate "1975.07.??"]
[PlyCount "83"]

1.c4 Nf6 2.Nc3 e6 3.d4 Bb4 4.e3 O-O 5.Bd3 d5 6.a3 dxc4 7.Bxc4 Bxc3+ 8.bxc3
c5 9.Ne2 Qc7 10.Bd3 Nc6 11.O-O e5 12.Bb2 Re8 13.Rc1 e4 14.Bb1 Bf5 15.f4 
Nd5 16.Qd2 Na5 17.Ba2 c4 18.h3 Qd7 19.Kh2 h5 20.Rg1 Rac8 21.Ng3 h4 22.Nxf5
Qxf5 23.g4 Qd7 24.Qf2 Qd6 25.g5 Rc6 26.Rg4 Rb6 27.Re1 Rb5 28.a4 Rb6 29.
Rxh4 Qc6 30.Qc2 Rb3 31.f5 Qxa4 32.Bxb3 cxb3 33.Qe2 g6 34.Ra1 Qc4 35.Qf2 
gxf5 36.Rxa5 Qc7+ 37.Kh1 Qxa5 38.Qxf5 Re6 39.Rf4 Re7 40.g6 f6 41.c4 Qe1+ 
42.Rf1 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "15"]
[White "Razuvaev, Yury"]
[Black "Smejkal, Jan"]
[WhiteElo "2515"]
[BlackElo "2600"]
[Result "1/2-1/2"]
[ECO "C99"]
[EventDate "1975.07.??"]
[PlyCount "92"]

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 Na5 10.Bc2 c5 11.d4 cxd4 12.cxd4 Bb7 13.Nbd2 Qc7 14.d5 Bc8 15.Nf1 Bd7
16.Ng3 Rfc8 17.Bd3 Nb7 18.Be3 Nc5 19.Rc1 Qb8 20.Bb1 Na4 21.Qd2 Qb7 22.b3 
Rxc1 23.Rxc1 Nb6 24.Ne1 Rc8 25.f4 exf4 26.Bxf4 Ne8 27.Nf3 Rxc1+ 28.Qxc1 g6
29.Qd2 Bf6 30.Kh2 Bc8 31.Ne2 Nd7 32.Ned4 Ne5 33.Bd3 Bd7 34.Bc2 Qc7 35.Bg3 
Bg7 36.a4 bxa4 37.bxa4 Qc4 38.a5 Nxf3+ 39.Nxf3 Bc3 40.Bd3 Bxd2 41.Bxc4 
Bxa5 42.Bxa6 f6 43.Nd4 Bb6 44.Bb5 Bxb5 45.Nxb5 Bc5 46.Bf4 f5 1/2-1/2

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "15"]
[White "Szabo, Laszlo"]
[Black "Ree, Hans"]
[WhiteElo "2545"]
[BlackElo "2470"]
[Result "1-0"]
[ECO "E76"]
[EventDate "1975.07.??"]
[PlyCount "59"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f4 O-O 6.Nf3 c5 7.d5 b5 8.e5 Nfd7 9.
Nxb5 dxe5 10.Be2 e4 11.Ng5 Nf6 12.Nc3 h6 13.Ngxe4 Nxe4 14.Nxe4 Bd4 15.Nf2 
Nd7 16.O-O Nf6 17.Kh1 e6 18.Ng4 exd5 19.f5 Ne4 20.Bd3 h5 21.cxd5 Ng3+ 22.
hxg3 hxg4 23.Bh6 Qxd5 24.Qxg4 Re8 25.Qh4 Bb7 26.Rf3 Re5 27.Raf1 Rae8 28.
fxg6 f6 29.Bc4 Qxc4 30.Bg7 1-0

[Event "15th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1975.??.??"]
[Round "15"]
[White "Timman, Jan"]
[Black "Bohm, Hans"]
[WhiteElo "2510"]
[BlackElo "2300"]
[Result "1/2-1/2"]
[ECO "A01"]
[EventDate "1975.07.??"]
[PlyCount "39"]

1.b3 b5 2.Bb2 Bb7 3.Nf3 Nf6 4.e3 a6 5.Be2 e6 6.O-O Be7 7.d3 d5 8.Nbd2 Nbd7
9.Re1 b4 10.a3 a5 11.Bf1 Nc5 12.Ne5 O-O 13.Ndf3 Nfd7 14.Nxd7 Nxd7 15.Ra2 
Bf6 16.Qa1 c5 17.Bxf6 Qxf6 18.Qxf6 gxf6 19.Rea1 Ne5 20.axb4 1/2-1/2

