[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "1"]
[White "Ciric, Dragoljub"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "C65"]
[EventDate "1967.??.??"]
[PlyCount "37"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.d3 d6 5.c3 g6 6.O-O Bg7 7.d4 Bd7 8.Re1 O-O 
9.dxe5 Nxe5 10.Bxd7 Nxf3+ 11.Qxf3 Nxd7 12.Be3 Re8 13.Nd2 Ne5 14.Qe2 Qd7 
15.Bd4 Nc6 16.Bxg7 Kxg7 17.Qd3 Rad8 18.c4 Qe6 19.Re3 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "1"]
[White "Enevoldsen, Jens"]
[Black "Scholl, Eduard"]
[Result "1-0"]
[ECO "D91"]
[EventDate "1967.??.??"]
[PlyCount "55"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5 Ne4 6.cxd5 Nxc3 7.bxc3 Qxd5 8.
Qb3 Qa5 9.e3 Nc6 10.Rc1 e6 11.Be2 O-O 12.O-O Re8 13.e4 Ne7 14.e5 h6 15.
Bxe7 Rxe7 16.Bd3 b6 17.Be4 Rb8 18.Qb4 Qxb4 19.cxb4 Ba6 20.Rfe1 Rd8 21.h3 
f5 22.exf6 Bxf6 23.Bxg6 Bxd4 24.Nxd4 Rxd4 25.a3 Kg7 26.Be4 Bd3 27.Red1 
Red7 28.Rxd3 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "1"]
[White "Langeweg, Christian"]
[Black "Zuidema, Coenraad"]
[Result "1-0"]
[ECO "D55"]
[EventDate "1967.??.??"]
[PlyCount "75"]

1.c4 Nf6 2.d4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 O-O 6.e3 h6 7.Bxf6 Bxf6 8.Qd2 b6
9.cxd5 exd5 10.b4 Be6 11.Rc1 c6 12.Be2 Qd6 13.O-O Be7 14.b5 c5 15.Rfd1 Rd8
16.Ne5 Bf6 17.f4 a6 18.Bf3 axb5 19.Nxb5 Qe7 20.Qc2 Ra5 21.Nc3 Bxe5 22.dxe5
d4 23.exd4 cxd4 24.Ne2 Rxa2 25.Qb1 b5 26.Qxb5 Qa7 27.Kh1 Ra5 28.Qb1 Na6 
29.h3 Ra3 30.f5 Bb3 31.Rd2 Nc7 32.Rd3 Ba2 33.Rxa3 Qxa3 34.Qb6 Rd7 35.Rxc7 
Rxc7 36.Qxc7 d3 37.Nf4 Bb1 38.Qb8+ 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "1"]
[White "Moiseev, Oleg"]
[Black "Kotov, Alexander"]
[Result "1/2-1/2"]
[ECO "B17"]
[EventDate "1967.??.??"]
[PlyCount "35"]

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.Qe2 O-O 12.c3 c5 13.dxc5 Qxc5 14.Rad1 
Rfd8 15.Bb3 Be4 16.Rxd8+ Rxd8 17.Rd1 Rxd1+ 18.Qxd1 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "1"]
[White "Portisch, Lajos"]
[Black "Ghitescu, Theodor"]
[Result "1-0"]
[ECO "E83"]
[EventDate "1967.??.??"]
[PlyCount "83"]

1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 Bg7 5.f3 O-O 6.Be3 Nc6 7.Nge2 a6 8.Rb1 Bd7 
9.Qd2 Re8 10.b4 Qb8 11.g3 e5 12.d5 Ne7 13.Bg2 c6 14.dxc6 bxc6 15.O-O Be6 
16.Rfd1 Rd8 17.Na4 Nc8 18.Qd3 Nd7 19.Nec3 Ndb6 20.Nb2 Ne7 21.Nca4 Nbc8 22.
Nc5 Bd7 23.Nxd7 Rxd7 24.Na4 Rb7 25.a3 h6 26.Nc3 a5 27.b5 c5 28.f4 Kh7 29.
Rf1 Ng8 30.Nd5 Raa7 31.f5 Nb6 32.fxg6+ fxg6 33.Rbd1 Qe8 34.Nxb6 Rxb6 35.
Bh3 h5 36.Rf2 Bh6 37.Rdf1 Kg7 38.Bxh6+ Nxh6 39.Rf6 Qd8 40.Qf3 Rbb7 41.Be6 
Qe7 42.Bd5 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "1"]
[White "Ree, Hans"]
[Black "Donner, Jan"]
[Result "0-1"]
[ECO "B26"]
[EventDate "1967.??.??"]
[PlyCount "98"]

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 f5 7.Qd2 Nf6 8.Bh6 O-O 
9.Bxg7 Kxg7 10.f4 e5 11.exf5 Bxf5 12.O-O-O exf4 13.Qxf4 Qd7 14.Re1 d5 15.
Nge2 d4 16.Nb5 Nb4 17.Qc7 Nfd5 18.Bxd5 Nxd5 19.Qxc5 Rac8 20.Qxd4+ Kg8 21.
Na3 Rfd8 22.Rhf1 Qg7 23.g4 Nf6 24.Qg1 Bxd3 25.Kb1 Bxe2 26.Rxe2 Qd7 27.h3 
Nd5 28.Qd4 b5 29.Ka1 b4 30.Nb1 a5 31.Re5 Rc6 32.Rd1 Rd6 33.Qc4 Rc8 34.Qe4 
Nf6 35.Rxd6 Qxd6 36.Qe2 Rxc2 37.Qxc2 Qxe5 38.Qb3+ Kg7 39.a3 Nd5 40.axb4 
axb4 41.Qc4 Ne3 42.Qa6 Nc2+ 43.Ka2 Qd5+ 44.b3 Qg2 45.Qa7+ Kf6 46.Qb6+ Ke5 
47.Qc7+ Kd4 48.Qxh7 Ne1+ 49.Ka1 Qa8+ 0-1

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "2"]
[White "Donner, Jan"]
[Black "Moiseev, Oleg"]
[Result "0-1"]
[ECO "E50"]
[EventDate "1967.??.??"]
[PlyCount "90"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 c5 6.Nf3 b6 7.O-O Bb7 8.Bd2 cxd4
9.exd4 d5 10.cxd5 Bxc3 11.bxc3 Qxd5 12.Re1 Nbd7 13.Bf1 Qh5 14.Ne5 Qxd1 15.
Raxd1 Nxe5 16.Rxe5 Rac8 17.f3 Rc7 18.a4 Bd5 19.a5 Bc4 20.axb6 axb6 21.Bxc4
Rxc4 22.Rb5 Nd5 23.Ra1 Rfc8 24.Rb3 Kf8 25.Raa3 Ke7 26.Kf2 h6 27.Ke2 g5 28.
Kd3 R8c7 29.Ra1 Kf6 30.g4 Kg6 31.Ra8 R7c6 32.h4 gxh4 33.Rh8 Kg7 34.Rxh6 
Rxc3+ 35.Bxc3 Kxh6 36.Bd2+ Kg6 37.Rb1 Rc8 38.Rh1 Rh8 39.Ke4 h3 40.f4 Nf6+ 
41.Kf3 h2 42.Be1 Ra8 43.f5+ exf5 44.Rxh2 fxg4+ 45.Kf4 Re8 0-1

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "2"]
[White "Ghitescu, Theodor"]
[Black "Enevoldsen, Jens"]
[Result "1/2-1/2"]
[ECO "D40"]
[EventDate "1967.??.??"]
[PlyCount "63"]

1.d4 d5 2.c4 e6 3.Nc3 c5 4.e3 Nf6 5.Nf3 Nc6 6.a3 a6 7.cxd5 exd5 8.Be2 Be7 
9.O-O O-O 10.dxc5 Bxc5 11.b4 Ba7 12.Bb2 Be6 13.Na4 Ne4 14.Nd4 Rc8 15.Nxc6 
Rxc6 16.Bd4 Bxd4 17.Qxd4 Qc7 18.b5 axb5 19.Bxb5 Nc3 20.Nxc3 Rxc3 21.a4 Rc8
22.Rad1 g6 23.h4 Qe7 24.Qf4 h5 25.Rd4 Kg7 26.Qe5+ Qf6 27.Qd6 Rc1 28.Qf4 
Rxf1+ 29.Bxf1 Rc1 30.Qxf6+ Kxf6 31.f3 Bd7 32.Rb4 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "2"]
[White "Langeweg, Christian"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[ECO "E14"]
[EventDate "1967.??.??"]
[PlyCount "100"]

1.c4 Nf6 2.d4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 c5 6.O-O cxd4 7.exd4 Be7 8.b3 O-O
9.Bb2 d5 10.Nc3 Nc6 11.Rc1 Re8 12.Re1 dxc4 13.bxc4 Rc8 14.a3 Na5 15.Nb1 
Bf8 16.Nbd2 g6 17.Qe2 Bg7 18.Ne5 Nc6 19.Ndf3 Nd7 20.Nxc6 Bxc6 21.Bc3 Bxf3 
22.Qxf3 Nb8 23.Red1 Nc6 24.d5 exd5 25.cxd5 Nd4 26.Bxd4 Rxc1 27.Rxc1 Bxd4 
28.g3 Re5 29.Qg4 Qf6 30.Rc2 Rxd5 31.Kg2 Ra5 32.Ra2 Qd6 33.Qe4 Kg7 34.a4 
Re5 35.Qf3 Qb4 36.Rc2 Bc5 37.Rc4 Qb3 38.Be2 Qb2 39.Bd3 Re3 40.Qd5 Qd2 41.
Be4 Qxd5 42.Bxd5 Re2 43.Rf4 f6 44.g4 g5 45.Rf5 Rd2 46.Bc6 Kf7 47.h3 Ke6 
48.Rf3 Bd4 49.Rf5 Kd6 50.Be8 Be5 0-1

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "2"]
[White "Pachman, Ludek"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[ECO "A42"]
[EventDate "1967.??.??"]
[PlyCount "60"]

1.d4 g6 2.e4 Bg7 3.c4 d6 4.Nc3 Nc6 5.Be3 e5 6.d5 Nce7 7.Qd2 f5 8.f3 Nf6 9.
h3 f4 10.Bf2 c5 11.dxc6 bxc6 12.O-O-O d5 13.cxd5 cxd5 14.exd5 O-O 15.Bc4 
Kh8 16.Nge2 Bf5 17.g4 fxg3 18.Nxg3 Rc8 19.Bb3 Nfxd5 20.Nxf5 Nxc3 21.Qxd8 
Nxd1+ 22.Qxc8 Rxc8+ 23.Kxd1 Nxf5 24.Bxa7 Bh6 25.Rh2 Rc7 26.Bb6 Rc6 27.Ba7 
Rc7 28.Bb8 Rc1+ 29.Ke2 Bf4 30.Rf2 Rc8 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "2"]
[White "Scholl, Eduard"]
[Black "Ciric, Dragoljub"]
[Result "0-1"]
[ECO "B83"]
[EventDate "1967.??.??"]
[PlyCount "80"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 Be7 7.O-O O-O 8.f4 
Nc6 9.Be3 Bd7 10.Kh1 Nxd4 11.Bxd4 Bc6 12.Bd3 a6 13.Qe2 b5 14.Rad1 Qc7 15.
e5 dxe5 16.fxe5 Nd7 17.Qh5 g6 18.Qh6 Nxe5 19.Rfe1 Bd6 20.Be4 f6 21.Bxc6 
Nxc6 22.Bb6 Qxb6 23.Rxd6 Qf2 24.Rdxe6 Ne5 25.Qc1 Qh4 26.Nd5 Ng4 27.Qf4 
Rad8 28.Ne7+ Kh8 29.Kg1 Qh5 30.h3 Qc5+ 31.Kh1 Nf2+ 32.Kh2 g5 33.Qe3 Qxc2 
34.Rc6 Qd2 35.Qxd2 Rxd2 36.Kg1 Nd3 37.Re3 Nxb2 38.Rxa6 Nc4 39.Rf3 Rd6 40.
Nf5 Rxa6 0-1

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "2"]
[White "Zuidema, Coenraad"]
[Black "Kotov, Alexander"]
[Result "1/2-1/2"]
[ECO "B06"]
[EventDate "1967.??.??"]
[PlyCount "115"]

1.e4 d6 2.d4 g6 3.Nc3 Bg7 4.f4 Nc6 5.Nf3 Bg4 6.Be3 Bxf3 7.gxf3 e6 8.Qd2 d5
9.O-O-O Nge7 10.f5 exf5 11.Bh6 O-O 12.Bxg7 Kxg7 13.h4 h5 14.Bh3 fxe4 15.
fxe4 f5 16.e5 Qd7 17.Ne2 Nd8 18.Nf4 Ne6 19.Rhg1 Nxf4 20.Qxf4 Qe6 21.Rg5 
Rh8 22.Rdg1 Raf8 23.Bf1 Kf7 24.Kb1 Ke8 25.R5g3 Kd8 26.Rb3 Kc8 27.Qd2 Nc6 
28.Rbg3 Rhg8 29.c3 Kb8 30.Qh6 Ne7 31.Qf4 Rc8 32.Be2 c5 33.Qh6 cxd4 34.cxd4
Qb6 35.Qf4 Ka8 36.Rb3 Qe6 37.Bb5 a6 38.Be2 Rc6 39.Rbg3 Rgc8 40.Bd3 R6c7 
41.Ka1 Qb6 42.Bb1 Rc4 43.Rd1 Ka7 44.a3 R4c6 45.Qg5 R8c7 46.Qf4 Qb5 47.Rdg1
Qa4 48.Ka2 Rb6 49.Qd2 Qc4+ 50.Ka1 Rb3 51.Rxb3 Qxb3 52.Rc1 Rxc1 53.Qxc1 Qc4
54.Qg5 Nc6 55.e6 Qe2 56.Qxg6 f4 57.Qf5 f3 58.Qxd5 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "3"]
[White "Ciric, Dragoljub"]
[Black "Ghitescu, Theodor"]
[Result "1/2-1/2"]
[ECO "B53"]
[EventDate "1967.??.??"]
[PlyCount "54"]

1.e4 c5 2.Nf3 d6 3.Nc3 Nf6 4.d4 cxd4 5.Qxd4 Nc6 6.Bb5 Bd7 7.Bxc6 Bxc6 8.
Bg5 e6 9.O-O-O Be7 10.Rhe1 O-O 11.Kb1 a6 12.e5 dxe5 13.Qxe5 Qb8 14.Qe2 b5 
15.Ne5 Qb7 16.Nxc6 Qxc6 17.Ne4 Rfd8 18.Nxf6+ Bxf6 19.Bxf6 gxf6 20.Qg4+ Kh8
21.Qh4 Kg7 22.Qg4+ Kh8 23.Qf4 Kg7 24.Qg3+ Kh8 25.Qh4 Kg7 26.f3 Rac8 27.c3 
Qc5 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "3"]
[White "Enevoldsen, Jens"]
[Black "Langeweg, Christian"]
[Result "0-1"]
[ECO "A17"]
[EventDate "1967.??.??"]
[PlyCount "82"]

1.c4 Nf6 2.Nc3 e6 3.g3 d5 4.Bg2 c5 5.d3 d4 6.Ne4 Nfd7 7.Nf3 Nc6 8.O-O Be7 
9.e3 O-O 10.exd4 cxd4 11.Ne1 f5 12.Nd2 e5 13.f4 exf4 14.gxf4 Nf6 15.h3 Bd6
16.Nc2 a5 17.Rf2 Bd7 18.Nf1 Qb6 19.Rb1 Rae8 20.Ng3 Re7 21.b3 Nb4 22.a3 
Nxc2 23.Qxc2 Re1+ 24.Rf1 Rxf1+ 25.Kxf1 Qc7 26.Qf2 Re8 27.Ne2 Bc6 28.b4 
axb4 29.axb4 Qe7 30.Bd2 Qxe2+ 31.Qxe2 Rxe2 32.Kxe2 Bxg2 33.h4 Kf7 34.Ra1 
Bb8 35.Kf2 Bh3 36.Ra8 Nd7 37.Bc1 Bg4 38.Kg3 h6 39.Ra5 Ke6 40.Rb5 Be2 41.
Rxb7 Bxd3 0-1

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "3"]
[White "Kotov, Alexander"]
[Black "Donner, Jan"]
[Result "1-0"]
[ECO "D35"]
[EventDate "1967.??.??"]
[PlyCount "111"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.cxd5 exd5 5.d4 c6 6.Bg5 Be7 7.e3 O-O 8.Bd3 
Ne4 9.Bxe4 Bxg5 10.Bd3 Be7 11.Qc2 g6 12.O-O Nd7 13.Rab1 a5 14.a3 Bd6 15.b4
Nf6 16.Na4 axb4 17.axb4 Ne4 18.Nc5 Qe7 19.Nxe4 dxe4 20.Bxe4 Bxb4 21.Ne5 
Bd6 22.Nc4 Bc7 23.g3 Re8 24.Bd3 Ra7 25.Rb2 Qf6 26.Rfb1 h5 27.Nd2 h4 28.Ne4
Qe7 29.Qc5 Ra5 30.Qxe7 Rxe7 31.Nc5 hxg3 32.hxg3 b6 33.Nb3 Ra3 34.Rc1 Be6 
35.Bc4 Bxg3 36.Nd2 Bh4 37.Rxb6 Bxc4 38.Nxc4 Ra2 39.Rb2 Ra6 40.Ne5 Re6 41.
Rbc2 Bf6 42.Nxc6 Rd6 43.Kg2 Kg7 44.Rc5 Ra3 45.R1c3 Ra2 46.Nb4 Rd2 47.Rc2 
Rd1 48.Rc1 Rxc1 49.Rxc1 g5 50.Kf3 Be7 51.Nc6 Rf6+ 52.Ke4 Bf8 53.Rc2 Bd6 
54.d5 Rh6 55.Nd4 Rh4+ 56.f4 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "3"]
[White "Moiseev, Oleg"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "D42"]
[EventDate "1967.??.??"]
[PlyCount "47"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 Be7 8.O-O 
O-O 9.Re1 b6 10.Ne4 cxd4 11.exd4 Bb7 12.a3 Nf6 13.Neg5 Rc8 14.Bf4 g6 15.
Bb1 Nd5 16.Bc1 Na5 17.Ba2 Ba6 18.Ne4 Bc4 19.b3 Ba6 20.Qd2 Nf6 21.Qh6 Nxe4 
22.Rxe4 Bb7 23.d5 Rxc1+ 24.Qxc1 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "3"]
[White "Portisch, Lajos"]
[Black "Zuidema, Coenraad"]
[Result "1-0"]
[ECO "D55"]
[EventDate "1967.??.??"]
[PlyCount "79"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.d4 Be7 5.Bg5 O-O 6.e3 b6 7.cxd5 Nxd5 8.Bxe7 
Qxe7 9.Nxd5 exd5 10.Rc1 Be6 11.Bd3 Rc8 12.O-O c5 13.e4 Nd7 14.Re1 Qd8 15.
exd5 Bxd5 16.Bf5 g6 17.Bh3 Rc7 18.dxc5 Rxc5 19.Rxc5 Nxc5 20.b4 Ne6 21.Bxe6
Bxe6 22.Qa1 Qd5 23.a3 a5 24.bxa5 Qxa5 25.Re3 Rc8 26.h4 Bd5 27.h5 Bxf3 28.
h6 f6 29.Rxf3 Qg5 30.Qxf6 Qc1+ 31.Kh2 Qxh6+ 32.Kg3 Rf8 33.Qxf8+ Qxf8 34.
Rxf8+ Kxf8 35.Kf4 Kf7 36.Ke5 Ke7 37.f3 h6 38.a4 h5 39.f4 h4 40.f5 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "3"]
[White "Ree, Hans"]
[Black "Scholl, Eduard"]
[Result "1/2-1/2"]
[ECO "E74"]
[EventDate "1967.??.??"]
[PlyCount "43"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2 O-O 6.Bg5 c5 7.d5 a6 8.a4 Qa5 9.
Bd2 e6 10.Nf3 exd5 11.exd5 Re8 12.O-O Bg4 13.Qc1 Nbd7 14.h3 Bxf3 15.Bxf3 
Qc7 16.Bg5 Re5 17.Qd2 Rae8 18.Be2 h6 19.Bf4 R5e7 20.Rfe1 Ne4 21.Nxe4 Rxe4 
22.Bd3 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "4"]
[White "Ghitescu, Theodor"]
[Black "Ree, Hans"]
[Result "1-0"]
[ECO "B06"]
[EventDate "1967.??.??"]
[PlyCount "39"]

1.d4 g6 2.e4 Bg7 3.c3 d6 4.Bc4 c6 5.Nf3 d5 6.Bb3 dxe4 7.Ng5 Nh6 8.Nxe4 Qc7
9.O-O O-O 10.Re1 Nf5 11.Nbd2 Nd7 12.Nf3 Nf6 13.Nxf6+ exf6 14.g3 Nd6 15.Nh4
Bh3 16.Bf4 g5 17.Bxd6 Qxd6 18.Ng2 Rae8 19.Bxf7+ Kxf7 20.Qh5+ 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "4"]
[White "Langeweg, Christian"]
[Black "Ciric, Dragoljub"]
[Result "1/2-1/2"]
[ECO "D36"]
[EventDate "1967.??.??"]
[PlyCount "81"]

1.c4 e6 2.Nf3 d5 3.d4 c6 4.Qc2 Nf6 5.cxd5 exd5 6.Bg5 Be7 7.Nc3 g6 8.e3 Bf5
9.Bd3 Bxd3 10.Qxd3 Nbd7 11.O-O O-O 12.h3 Re8 13.Bxf6 Nxf6 14.Nd2 Bd6 15.
Rfe1 Re6 16.e4 dxe4 17.Ndxe4 Nxe4 18.Rxe4 Qd7 19.Rae1 Rxe4 20.Qxe4 Bf8 21.
d5 c5 22.a4 Rd8 23.Qc4 b6 24.Qb5 Qc7 25.Re8 a6 26.Qe2 Rxe8 27.Qxe8 Qe7 28.
Qxe7 Bxe7 29.a5 bxa5 30.b3 Kf8 31.Kf1 Bf6 32.Ne4 Ke7 33.d6+ Ke6 34.d7 Be7 
35.Nxc5+ Kd6 36.Nb7+ Kxd7 37.Nxa5 Kd6 38.Ke2 Kc5 39.Kd3 Bh4 40.g3 Bf6 41.
Nc4 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "4"]
[White "Pachman, Ludek"]
[Black "Kotov, Alexander"]
[Result "0-1"]
[ECO "A41"]
[EventDate "1967.??.??"]
[PlyCount "81"]

1.d4 d6 2.Nf3 g6 3.g3 Bg7 4.Bg2 Nc6 5.O-O e5 6.dxe5 dxe5 7.Qxd8+ Nxd8 8.
Nc3 Ne6 9.Rd1 Ne7 10.e4 c6 11.b3 b6 12.Bb2 O-O 13.Rd2 Bh6 14.Rd6 f6 15.
Rad1 c5 16.Nb5 Kf7 17.a4 Nd4 18.Nfxd4 cxd4 19.h3 a6 20.Na3 b5 21.axb5 axb5
22.Nxb5 Ra2 23.Rb1 Bd2 24.Bf1 Kg7 25.Ba3 f5 26.Rb6 Bg5 27.h4 Bf6 28.Bd3 
Rd8 29.h5 fxe4 30.h6+ Kxh6 31.Rxf6 exd3 32.cxd3 Nd5 33.Rf7 g5 34.Rc1 Bd7 
35.Nc7 Nc3 36.Be7 Rc8 37.Re1 Ne2+ 38.Rxe2 Rxe2 39.Bf8+ Kg6 40.Rg7+ Kf5 41.
Rxd7 0-1

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "4"]
[White "Portisch, Lajos"]
[Black "Enevoldsen, Jens"]
[Result "1/2-1/2"]
[ECO "A25"]
[EventDate "1967.??.??"]
[PlyCount "100"]

1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Be6 5.d3 Qd7 6.Rb1 Nge7 7.b4 d5 8.b5 Nd8 
9.Nf3 dxc4 10.dxc4 Qxd1+ 11.Kxd1 f6 12.Nd2 Nf5 13.Bd5 c6 14.bxc6 bxc6 15.
Bg2 Rc8 16.Nce4 Be7 17.e3 Nh6 18.f3 Nhf7 19.Re1 Rc7 20.Bf1 Nb7 21.Rb3 Na5 
22.Rb8+ Kd7 23.Rxh8 Nxh8 24.Nb3 Nb7 25.Bd2 Nf7 26.g4 Ba3 27.Bc3 Nfd6 28.
Ned2 e4 29.fxe4 Bxg4+ 30.Be2 Bxe2+ 31.Kxe2 c5 32.e5 fxe5 33.Bxe5 Ke6 34.
Bc3 g6 35.e4 Rf7 36.Ke3 a5 37.Rg1 Kd7 38.Rd1 a4 39.Nc1 Bxc1 40.Rxc1 Kc6 
41.h4 Nd8 42.Rb1 Ne6 43.Be5 Nc8 44.Rf1 Rxf1 45.Nxf1 Nb6 46.Kd3 Nd7 47.Bg3 
h5 48.Ne3 g5 49.hxg5 Nxg5 50.Nd5 h4 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "4"]
[White "Scholl, Eduard"]
[Black "Moiseev, Oleg"]
[Result "1/2-1/2"]
[ECO "B83"]
[EventDate "1967.??.??"]
[PlyCount "65"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d6 6.Be2 Nf6 7.O-O Be7 8.Be3 
O-O 9.f4 Bd7 10.Kh1 Nxd4 11.Bxd4 Bc6 12.Bd3 Nd7 13.Qe2 e5 14.Be3 exf4 15.
Bxf4 Ne5 16.Bxe5 dxe5 17.Bc4 g6 18.Rf3 Kg7 19.Nd5 Bg5 20.Raf1 f6 21.g3 Qd7
22.h4 Bh6 23.Kg2 Bxd5 24.Bxd5 f5 25.Rb3 Rab8 26.Qb5 Qxb5 27.Rxb5 b6 28.Rf3
Rbc8 29.c3 Rcd8 30.a4 Bc1 31.a5 Rd6 32.axb6 axb6 33.b4 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "4"]
[White "Zuidema, Coenraad"]
[Black "Donner, Jan"]
[Result "0-1"]
[ECO "B92"]
[EventDate "1967.??.??"]
[PlyCount "56"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O 
O-O 9.Be3 Qc7 10.a4 b6 11.Qd2 Be6 12.Rfd1 Nbd7 13.f3 Rfd8 14.Nc1 Nf8 15.
Nd5 Nxd5 16.exd5 Bf5 17.c4 Nd7 18.a5 bxa5 19.Nb3 a4 20.Rxa4 Nc5 21.Nxc5 
dxc5 22.Qa5 Qd6 23.b4 Bc2 24.bxc5 Qg6 25.Rda1 Bxa4 26.Qxa4 Rdb8 27.Rd1 Rb1
28.Bd3 Qxd3 0-1

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "5"]
[White "Ciric, Dragoljub"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[ECO "C97"]
[EventDate "1967.??.??"]
[PlyCount "88"]

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 Qc7 12.Nbd2 Re8 13.Nf1 Bf8 14.b3 g6 15.Bg5 Bg7 
16.dxe5 dxe5 17.Qd2 Bd7 18.Rad1 Be6 19.Nxe5 Rad8 20.Nd3 c4 21.bxc4 bxc4 
22.Qf4 Qxf4 23.Nxf4 Rxd1 24.Rxd1 h6 25.Bxf6 Bxf6 26.Ne2 Rb8 27.Rb1 Rxb1 
28.Bxb1 g5 29.Ne3 h5 30.Nd4 Kf8 31.Kf1 Ke7 32.Ke2 Kd6 33.Kd2 Kc5 34.Nxe6+ 
fxe6 35.g3 Nc6 36.Ng2 h4 37.gxh4 gxh4 38.f4 e5 39.f5 Na7 40.a4 Nc8 41.Ke2 
Bg5 42.Kf3 Nb6 43.Kg4 Bd2 44.Bc2 Nd7 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "5"]
[White "Donner, Jan"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "E45"]
[EventDate "1967.??.??"]
[PlyCount "52"]

1.d4 e6 2.c4 Bb4+ 3.Nc3 Nf6 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.f3 Re8 13.O-O h5 14.Qd3 c5 15.
Bd2 Nc7 16.e4 h4 17.Nf5 dxe4 18.fxe4 Nxe4 19.Rae1 Nxd2 20.Qxd2 Rxe1 21.
Qxe1 Qe6 22.Qxh4 Nd5 23.c4 Ne3 24.Ne7+ Kf8 25.Nd5 Kg8 26.Ne7+ Kf8 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "5"]
[White "Enevoldsen, Jens"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[ECO "C84"]
[EventDate "1967.??.??"]
[PlyCount "106"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Nc3 b5 7.Bb3 d6 8.a4 b4 
9.Nd5 O-O 10.d3 Rb8 11.a5 Nxd5 12.Bxd5 Nxa5 13.Bd2 c6 14.Ba2 c5 15.Bd5 Qc7
16.Be3 Nc6 17.Nd2 Ra8 18.f4 exf4 19.Bxf4 a5 20.Nc4 Be6 21.Bxe6 fxe6 22.Qg4
e5 23.Bh6 Bf6 24.Nb6 Ra7 25.Nd5 Qd7 26.Qh5 Be7 27.Be3 Qe6 28.b3 Rxf1+ 29.
Rxf1 Bf8 30.Qf3 Rf7 31.Qxf7+ Qxf7 32.Rxf7 Kxf7 33.Kf2 Be7 34.Ke2 Bd8 35.
Bf2 Ke6 36.Kf3 Na7 37.Ke2 Nb5 38.Be3 Kd7 39.Kd1 Kc6 40.Ke2 Na3 41.Kd2 Nb5 
42.Kd1 Na7 43.Kc1 Kb5 44.Kb2 a4 45.c4+ Ka5 46.Nxb4 a3+ 47.Ka2 cxb4 48.Bxa7
Bb6 49.Bb8 Bc5 50.Bc7+ Ka6 51.Bd8 h5 52.h3 Kb7 53.Bg5 Ka6 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "5"]
[White "Kotov, Alexander"]
[Black "Scholl, Eduard"]
[Result "1/2-1/2"]
[ECO "A48"]
[EventDate "1967.??.??"]
[PlyCount "80"]

1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.Nbd2 O-O 5.c3 d6 6.Qb3 Nbd7 7.e3 c6 8.a4 b6 
9.Bc4 a6 10.O-O Bb7 11.Rfd1 Qc7 12.Bf4 e5 13.Bg3 Nh5 14.dxe5 d5 15.Be2 
Nxg3 16.hxg3 b5 17.axb5 axb5 18.Rxa8 Rxa8 19.e4 Nc5 20.Qb4 Nxe4 21.Nxe4 
dxe4 22.Qxe4 Re8 23.Kf1 Bxe5 24.Nxe5 Rxe5 25.Qd4 Rd5 26.Qa7 Rxd1+ 27.Bxd1 
Qd8 28.Bf3 Qa8 29.Qxa8+ Bxa8 30.b4 Kf8 31.c4 bxc4 32.b5 Bb7 33.g4 f6 34.
bxc6 Bc8 35.Be2 Ke7 36.Bxc4 Kd6 37.f3 Kxc6 38.Kf2 g5 39.Ke3 Kd6 40.Bd3 h6 
1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "5"]
[White "Moiseev, Oleg"]
[Black "Ghitescu, Theodor"]
[Result "1/2-1/2"]
[ECO "E51"]
[EventDate "1967.??.??"]
[PlyCount "50"]

1.d4 Nf6 2.Nf3 d5 3.c4 e6 4.Nc3 Bb4 5.e3 O-O 6.Bd3 Nc6 7.O-O dxc4 8.Bxc4 
Bd6 9.Bb5 e5 10.Bxc6 exd4 11.exd4 bxc6 12.Bg5 Re8 13.Qd3 c5 14.d5 Rb8 15.
b3 h6 16.Bh4 Bg4 17.Rfe1 Bxf3 18.Qxf3 Be5 19.Rad1 Qd7 20.Bg3 Bd6 21.h3 Rb4
22.Re3 Rxe3 23.Qxe3 Bxg3 24.Qxg3 Rd4 25.Qf3 Qe8 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "5"]
[White "Ree, Hans"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[ECO "D02"]
[EventDate "1967.??.??"]
[PlyCount "42"]

1.d4 Nf6 2.Nf3 d5 3.Bf4 g6 4.e3 Bg7 5.Be2 Nh5 6.Bg5 h6 7.Bh4 g5 8.Ne5 Nf6 
9.Bg3 Ne4 10.O-O O-O 11.Nd2 Nxg3 12.hxg3 c5 13.c3 Qb6 14.Qc2 Nc6 15.Ndf3 
Be6 16.a4 Rac8 17.Nxc6 Qxc6 18.Ne5 Qc7 19.f4 f5 20.Bd3 c4 21.Be2 g4 
1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "6"]
[White "Enevoldsen, Jens"]
[Black "Ciric, Dragoljub"]
[Result "1/2-1/2"]
[ECO "B80"]
[EventDate "1967.??.??"]
[PlyCount "38"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.g3 Be7 7.Bg2 O-O 8.O-O a6
9.a4 Qc7 10.Nb3 Nc6 11.f4 Nb4 12.g4 d5 13.e5 Nd7 14.Kh1 b6 15.Nd4 Bb7 16.
Nce2 Rfe8 17.Ra3 Nc5 18.Rh3 Ne4 19.c3 Nc6 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "6"]
[White "Ghitescu, Theodor"]
[Black "Kotov, Alexander"]
[Result "1/2-1/2"]
[ECO "A42"]
[EventDate "1967.??.??"]
[PlyCount "80"]

1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 Nc6 5.Nge2 e5 6.d5 Nce7 7.f3 f5 8.Be3 Bh6 
9.Qd2 Bxe3 10.Qxe3 Nf6 11.g3 O-O 12.Bg2 fxe4 13.Nxe4 Nf5 14.Qc3 Nxe4 15.
fxe4 Nh6 16.h3 Qg5 17.Qd2 Qh5 18.Qe3 Nf7 19.O-O-O Qg5 20.Kd2 Bd7 21.Qxg5 
Nxg5 22.Ke3 h5 23.Rdf1 Rxf1 24.Bxf1 c5 25.Nc3 a6 26.h4 Nh7 27.Be2 Nf6 28.
Rf1 Kg7 29.a3 b6 30.b4 Bg4 31.bxc5 dxc5 32.Rb1 Nd7 33.a4 Rb8 34.Nd1 Nf6 
35.Bxg4 Nxg4+ 36.Ke2 Nf6 37.Nc3 Nd7 38.Rb2 Kf7 39.Nb1 g5 40.hxg5 Rg8 
1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "6"]
[White "Langeweg, Christian"]
[Black "Moiseev, Oleg"]
[Result "1-0"]
[ECO "A12"]
[EventDate "1967.??.??"]
[PlyCount "183"]

1.c4 Nf6 2.g3 c6 3.b3 d5 4.Bb2 Bf5 5.Nf3 e6 6.Bg2 Be7 7.O-O O-O 8.d3 h6 9.
Nbd2 a5 10.a3 Nbd7 11.Qc2 Qb6 12.Bc3 Rfe8 13.Qb2 Bc5 14.Rae1 Bf8 15.e4 Bh7
16.Re2 Qc5 17.Ra1 Qb6 18.h3 Nc5 19.Ne1 Rad8 20.Qc2 dxe4 21.dxe4 Rd7 22.Re3
Red8 23.b4 axb4 24.axb4 Na6 25.c5 Qc7 26.Nc4 Nd5 27.Be5 Nxe3 28.fxe3 Rd2 
29.Bxc7 Rxc2 30.Nxc2 Nxc7 31.Ra7 Rd1+ 32.Kf2 Rc1 33.N2a3 Nb5 34.Rxb7 Nxa3 
35.Nxa3 Rc3 36.Ra7 Rb3 37.Ra4 Rb2+ 38.Kg1 Bg6 39.e5 Be7 40.h4 Bd3 41.Bxc6 
g5 42.Ra7 Kf8 43.Ra8+ Kg7 44.Re8 Bf8 45.hxg5 hxg5 46.Bg2 Ra2 47.c6 Rxa3 
48.c7 Ra1+ 49.Kh2 Rc1 50.c8=Q Rxc8 51.Rxc8 Bxb4 52.Kg1 Bf5 53.Kf2 Ba3 54.
Bf3 Bg6 55.Rb8 Bc5 56.Ke2 Ba3 57.Rb7 Bc5 58.Rb5 Ba3 59.Rb3 Bc5 60.Kd2 Kf8 
61.Rb5 Ba3 62.Be2 Kg7 63.Bd3 Bc1+ 64.Kxc1 Bxd3 65.Rb4 Bh7 66.Kd2 Kg6 67.
Rb7 Kg7 68.Kc3 Bg6 69.Kd4 Bh5 70.Rb2 Bf3 71.Rf2 g4 72.Rc2 Kg6 73.Rc7 Bd1 
74.Kc5 Kg7 75.Kd6 Be2 76.Ke7 Kg6 77.Rc2 Bf3 78.Rc4 Kf5 79.Kd6 Be4 80.Rb4 
Bd3 81.Rf4+ Kg6 82.Ke7 Bc2 83.Rf6+ Kg5 84.Kxf7 Bb3 85.Ke7 Bd5 86.Kd6 Bb3 
87.e4 Bc2 88.Kxe6 Bxe4 89.Kd6 Bd3 90.Rf8 Kg6 91.e6 Kg7 92.e7 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "6"]
[White "Portisch, Lajos"]
[Black "Ree, Hans"]
[Result "1-0"]
[ECO "A42"]
[EventDate "1967.??.??"]
[PlyCount "137"]

1.d4 g6 2.c4 Bg7 3.Nc3 d6 4.e4 Nc6 5.Be3 e5 6.d5 Nce7 7.g4 f5 8.gxf5 gxf5 
9.Qh5+ Kf8 10.Bh3 Nf6 11.Qf3 f4 12.Bd2 h5 13.Bxc8 Qxc8 14.O-O-O Bh6 15.Qd3
Rg8 16.Nf3 Rg2 17.Qf1 Rg7 18.Kb1 c5 19.dxc6 bxc6 20.Qe2 c5 21.Nb5 Ne8 22.
Bc3 Qe6 23.Rhg1 a6 24.Rxg7 Bxg7 25.Na3 Nc6 26.Nh4 Qg4 27.Nf3 Bf6 28.Rg1 
Qh3 29.Qd3 Qe6 30.Qd5 Qxd5 31.cxd5 Nd4 32.Bxd4 cxd4 33.Kc2 Ra7 34.Kd3 Rg7 
35.Rxg7 Kxg7 36.Nc2 Kf7 37.Nb4 Nc7 38.Nc6 Ke8 39.a4 Kd7 40.Nd2 Bh4 41.Ke2 
Bf6 42.Nc4 Bg7 43.Nb6+ Ke8 44.Nb8 Kd8 45.Kd3 Bf6 46.Nc6+ Ke8 47.f3 Bg7 48.
Kc4 Bf6 49.Kb4 Bh4 50.h3 Be1+ 51.Kc4 Bh4 52.Kd3 Bf6 53.Na5 Be7 54.Nb7 Bf8 
55.Kc4 Be7 56.Nc8 Kd7 57.Nb6+ Ke8 58.b3 Bf8 59.Kb4 Be7 60.Nc4 Kd7 61.Ka5 
Bf8 62.Nb2 Be7 63.Nd3 Bh4 64.Kb6 Nxd5+ 65.exd5 e4 66.fxe4 f3 67.Na5 f2 68.
Nxf2 Bxf2 69.Nc4 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "6"]
[White "Scholl, Eduard"]
[Black "Donner, Jan"]
[Result "1/2-1/2"]
[ECO "B06"]
[EventDate "1967.??.??"]
[PlyCount "38"]

1.e4 d6 2.Nc3 g6 3.d3 Bg7 4.h4 Nf6 5.Be2 h5 6.Bg5 c5 7.Nf3 Nc6 8.Qd2 Bg4 
9.O-O Bxf3 10.Bxf3 Nd4 11.Bd1 Qd7 12.Rb1 e6 13.Re1 O-O 14.Ne2 Nxe2+ 15.
Bxe2 Nh7 16.Be3 Qe7 17.g3 Bd4 18.Bh6 Bg7 19.Be3 Bd4 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "6"]
[White "Zuidema, Coenraad"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "C88"]
[EventDate "1967.??.??"]
[PlyCount "37"]

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 b4 
9.d3 d6 10.Nbd2 Na5 11.Ba2 c5 12.Nc4 Nxc4 13.Bxc4 a5 14.Nd2 Nd7 15.Nf1 Bg5
16.Bxg5 Qxg5 17.Qd2 Qxd2 18.Nxd2 Nb6 19.Nf1 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "7"]
[White "Ciric, Dragoljub"]
[Black "Zuidema, Coenraad"]
[Result "1-0"]
[ECO "C81"]
[EventDate "1967.??.??"]
[PlyCount "81"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 
Be6 9.Qe2 Be7 10.Rd1 O-O 11.Be3 Na5 12.Nd4 c5 13.Nxe6 fxe6 14.c3 Nxb3 15.
axb3 Qe8 16.Na3 Qg6 17.f3 Ng5 18.Kh1 Nf7 19.Bf2 Rfc8 20.Nc2 a5 21.Ne3 b4 
22.c4 d4 23.Nf1 Qf5 24.Re1 Bd8 25.g4 Qg5 26.Bg3 h5 27.h3 hxg4 28.hxg4 Qh6+
29.Kg2 Ng5 30.Nd2 Bc7 31.f4 Nf7 32.Ne4 Qg6 33.Rh1 Nh6 34.Ng5 d3 35.Qf3 
Bxe5 36.Rae1 Bf6 37.Rxe6 Rd8 38.Bh4 Nf7 39.Ne4 d2 40.Bxf6 Nh6 41.Bxd8 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "7"]
[White "Donner, Jan"]
[Black "Ghitescu, Theodor"]
[Result "1-0"]
[ECO "E66"]
[EventDate "1967.??.??"]
[PlyCount "81"]

1.d4 Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d6 5.Nc3 O-O 6.Nf3 Nc6 7.d5 Na5 8.b3 c5 9.
Bb2 a6 10.Nd2 Rb8 11.O-O b5 12.Qc2 e5 13.Rae1 Bh6 14.f4 exf4 15.gxf4 Nh5 
16.e3 f5 17.Ne2 Rb7 18.Ng3 Nf6 19.cxb5 axb5 20.Nf3 b4 21.Ng5 Re7 22.Qd2 
Bxg5 23.fxg5 Ng4 24.e4 f4 25.Rxf4 Rxf4 26.Qxf4 Rf7 27.Qd2 c4 28.Qxb4 cxb3 
29.axb3 Rb7 30.Qc3 Ne5 31.Ra1 Rb5 32.b4 Nac4 33.Bc1 Qb6+ 34.Kh1 Bb7 35.Rb1
Qf2 36.Nf1 Bc8 37.Ne3 Nf3 38.Bb2 Nxb2 39.Qxc8+ Kg7 40.Qd7+ Kf8 41.Qxd6+ 
1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "7"]
[White "Kotov, Alexander"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[ECO "A17"]
[EventDate "1967.??.??"]
[PlyCount "210"]

1.c4 Nf6 2.Nc3 e6 3.Nf3 d5 4.e3 c5 5.cxd5 exd5 6.Bb5+ Bd7 7.Bxd7+ Nbxd7 8.
O-O Be7 9.d4 c4 10.b3 Rc8 11.Bb2 O-O 12.bxc4 Rxc4 13.Ne5 Rc8 14.Qa4 Nb6 
15.Qxa7 Nc4 16.Nxc4 Rxc4 17.Rac1 Rc6 18.Qa4 Bd6 19.h3 Re8 20.Nb5 Bb8 21.
Rc2 Ne4 22.Rfc1 Qg5 23.Nc3 Nd6 24.Qb3 Nc4 25.f4 Qg3 26.Nxd5 Nxe3 27.Re2 
Rce6 28.Rxe3 Rxe3 29.Nxe3 Bxf4 30.Nf1 Qxb3 31.axb3 Bxc1 32.Bxc1 Re2 33.Bf4
f6 34.Nd2 g5 35.Kf1 Re8 36.Bc7 Re3 37.Bb6 Kf7 38.Kf2 Rd3 39.Ke2 Rg3 40.Kf1
Rd3 41.Ke1 Ke6 42.Ke2 Rg3 43.Kf2 Rc3 44.Ne4 Rc2+ 45.Kf3 h6 46.g4 Rb2 47.
Nc5+ Kd5 48.Bd8 Rb1 49.Bxf6 b6 50.Nd3 Rxb3 51.Ke2 Kc4 52.Ne5+ Kxd4 53.Nf3+
Kd5 54.Bg7 Ra3 55.Bxh6 Ra2+ 56.Ke3 Ra3+ 57.Ke2 Ra2+ 58.Ke3 Ra3+ 59.Kf2 
Ra2+ 60.Kg3 Ra3 61.Bf8 Rc3 62.Bg7 Ra3 63.Kf2 Ra2+ 64.Ke3 Ra3+ 65.Ke2 Ra2+ 
66.Ke3 Ra3+ 67.Kf2 Ra2+ 68.Kg3 Ra3 69.Bf8 Rc3 70.Kf2 Rc2+ 71.Ke3 Rc3+ 72.
Ke2 Ke4 73.Nxg5+ Kf4 74.Ne6+ Kg3 75.g5 Rc6 76.Nd4 Rg6 77.Be7 b5 78.Bf6 b4 
79.Ke3 Kxh3 80.Kf4 Rg8 81.Be7 Kh4 82.Bxb4 Kh5 83.Be7 Ra8 84.Nf3 Ra1 85.Bf6
Rf1 86.Bd8 Ra1 87.Bf6 Rf1 88.Be7 Ra1 89.Nd2 Rd1 90.Nf3 Ra1 91.Bd8 Rc1 92.
Bb6 Rf1 93.Be3 Rh1 94.Ne5 Rf1+ 95.Ke4 Rf8 96.Bf4 Rg8 97.Nf3 Rf8 98.Bd2 
Re8+ 99.Ne5 Rg8 100.Nf3 Re8+ 101.Kf4 Rf8+ 102.Kg3 Rd8 103.Bc3 Rd3 104.Bf6 
Rd1 105.Kf4 Rf1 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "7"]
[White "Moiseev, Oleg"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[ECO "E41"]
[EventDate "1967.??.??"]
[PlyCount "113"]

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.h3 h6 10.O-O O-O 11.Qe2 Nd7 12.Be3 Re8 13.d5 Ne7 14.g3 f5 15.exf5 Nf6 
16.Nh4 e4 17.Bc2 Nxf5 18.Nxf5 Bxf5 19.g4 Bg6 20.Bf4 Nh7 21.Qe3 Ng5 22.Qg3 
Rf8 23.Bxg5 Qxg5 24.f4 exf3 25.Bxg6 Qxg6 26.Rxf3 Rxf3 27.Qxf3 Rf8 28.Qe2 
Re8 29.Qf2 h5 30.Re1 Rxe1+ 31.Qxe1 hxg4 32.h4 Qf5 33.Qe3 Kf7 34.Kg2 Kf6 
35.Kg3 a6 36.a4 b6 37.Qf4 Qxf4+ 38.Kxf4 g3 39.Kxg3 Kf5 40.Kf3 a5 41.Kg3 
Ke4 42.Kg4 Kd3 43.Kf5 Kxc4 44.Ke6 b5 45.axb5 Kxb5 46.Kxd6 a4 47.Ke6 a3 48.
d6 a2 49.d7 a1=Q 50.d8=Q Qxc3 51.Qg5 Qf3 52.h5 Qf8 53.Qf5 Qc8+ 54.Ke5 Qc7+
55.Ke6 Qc8+ 56.Ke5 Qe8+ 57.Kd6 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "7"]
[White "Pachman, Ludek"]
[Black "Scholl, Eduard"]
[Result "1/2-1/2"]
[ECO "B07"]
[EventDate "1967.??.??"]
[PlyCount "70"]

1.d4 d6 2.e4 Nf6 3.Nc3 g6 4.f3 c6 5.Be3 Nbd7 6.Qd2 Qc7 7.Nh3 b5 8.Nf2 Bg7 
9.Be2 O-O 10.O-O Nb6 11.Rad1 a5 12.Bh6 Bxh6 13.Qxh6 Ba6 14.Qc1 Rfb8 15.
Rfe1 b4 16.Nb1 c5 17.Bxa6 Rxa6 18.d5 a4 19.Qe3 Ra5 20.Qe2 a3 21.bxa3 Na4 
22.axb4 cxb4 23.Nd3 Nd7 24.Qd2 Nc3 25.Nxc3 bxc3 26.Qf2 Rxa2 27.Rb1 Ra4 28.
Rxb8+ Qxb8 29.h4 Ra2 30.Rc1 h5 31.Qd4 Ra3 32.Kf2 Ne5 33.Re1 Nxd3+ 34.Qxd3 
Qb2 35.Re3 Qc1 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "7"]
[White "Ree, Hans"]
[Black "Enevoldsen, Jens"]
[Result "1-0"]
[ECO "D32"]
[EventDate "1967.??.??"]
[PlyCount "55"]

1.d4 d5 2.c4 e6 3.cxd5 exd5 4.Nc3 c5 5.e4 dxe4 6.d5 a6 7.Qa4+ Bd7 8.Qxe4+ 
Qe7 9.Bf4 Nf6 10.Qxe7+ Bxe7 11.O-O-O Bf5 12.Re1 Kd8 13.Nf3 Nbd7 14.Ng5 Bg6
15.d6 Bf8 16.Bc4 h6 17.Nxf7+ Bxf7 18.Bxf7 g5 19.Bg3 Rh7 20.Bg6 Rg7 21.Bf5 
Nh5 22.Re6 Nxg3 23.hxg3 Rg8 24.Nd5 Rb8 25.Rhe1 Bg7 26.Re7 Ne5 27.R1xe5 
Bxe5 28.Rd7+ 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "8"]
[White "Ciric, Dragoljub"]
[Black "Ree, Hans"]
[Result "1-0"]
[ECO "B35"]
[EventDate "1967.??.??"]
[PlyCount "75"]

1.e4 c5 2.Nf3 g6 3.d4 cxd4 4.Nxd4 Bg7 5.Nc3 Nc6 6.Be3 Nf6 7.Bc4 d6 8.h3 
O-O 9.Bb3 Bd7 10.O-O Nxd4 11.Bxd4 Bc6 12.Qd3 Qa5 13.f4 Rad8 14.Rad1 Nd7 
15.Bxg7 Kxg7 16.Kh1 Nc5 17.Qd4+ e5 18.Qe3 Nxb3 19.axb3 exf4 20.Rxf4 f6 21.
b4 Qb6 22.Qxb6 axb6 23.b5 Be8 24.Rf2 g5 25.Rfd2 f5 26.Rxd6 Rxd6 27.Rxd6 
fxe4 28.Rxb6 Bg6 29.Rxb7+ Kf6 30.Rc7 Ke5 31.b6 Rb8 32.b7 e3 33.Nb5 Ke6 34.
Kg1 Be4 35.Rc8 Rxb7 36.Re8+ Kd7 37.Rxe4 Rxb5 38.b3 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "8"]
[White "Enevoldsen, Jens"]
[Black "Moiseev, Oleg"]
[Result "0-1"]
[ECO "B45"]
[EventDate "1967.??.??"]
[PlyCount "80"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e6 5.Nc3 d6 6.g3 Bd7 7.Nb3 Nf6 8.Bg2 a6
9.a4 Na5 10.Nxa5 Qxa5 11.O-O Bc6 12.Re1 Be7 13.Bd2 Qc7 14.g4 h6 15.Qe2 O-O
16.g5 hxg5 17.Bxg5 Nh7 18.Bxe7 Qxe7 19.Rad1 e5 20.Rd3 Rfd8 21.Red1 b5 22.
Qh5 g6 23.Qh6 Qf6 24.Qd2 b4 25.Nd5 Bxd5 26.Rxd5 Rac8 27.Qxb4 Rxc2 28.Qb6 
Kg7 29.b4 Rb8 30.Qe3 Rxb4 31.Rxd6 Rb1 32.Rxb1 Qxd6 33.Bf1 Nf6 34.h3 Nh5 
35.Rb6 Qd1 36.Qg5 Rc1 37.Kh2 Qxf1 38.Rxg6+ fxg6 39.Qe7+ Kh6 40.Qf8+ Kg5 
0-1

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "8"]
[White "Ghitescu, Theodor"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "D42"]
[EventDate "1967.??.??"]
[PlyCount "51"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c5 5.e3 Nc6 6.cxd5 Nxd5 7.Bd3 Be7 8.O-O 
cxd4 9.exd4 Ncb4 10.Bc4 Nf6 11.Qe2 O-O 12.Rd1 b6 13.Ne5 Bb7 14.a3 Nbd5 15.
Bd2 Rc8 16.Rdc1 Nxc3 17.bxc3 Nd5 18.Bd3 Bg5 19.Qh5 h6 20.Bxg5 Qxg5 21.Qxg5
hxg5 22.c4 Nf4 23.Bf1 f6 24.Ng4 Rfd8 25.Rd1 Ng6 26.Ra2 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "8"]
[White "Langeweg, Christian"]
[Black "Donner, Jan"]
[Result "1-0"]
[ECO "D41"]
[EventDate "1967.??.??"]
[PlyCount "113"]

1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c5 5.cxd5 Nxd5 6.e3 Be7 7.Bc4 cxd4 8.exd4 
Nc6 9.O-O O-O 10.Re1 Nxc3 11.bxc3 b6 12.Bd3 Bb7 13.Qc2 g6 14.Bh6 Re8 15.
Qd2 Bf8 16.Bxf8 Rxf8 17.Re4 Qf6 18.Rh4 Qg7 19.Ng5 h6 20.Ne4 g5 21.Rh5 Ne7 
22.h4 gxh4 23.Rxh4 f5 24.Ng3 Rf6 25.Rh2 Rg6 26.Bf1 Nd5 27.Nh5 Qf7 28.Re1 
Rg5 29.Nf4 Nxf4 30.Qxf4 Qg6 31.Qd6 Re8 32.Qd7 Bd5 33.c4 Be4 34.Re3 Qf7 35.
Qxf7+ Kxf7 36.Rxh6 Kg7 37.Rhh3 Kf7 38.Rh7+ Rg7 39.Rxg7+ Kxg7 40.f3 Bc6 41.
Kf2 Kf6 42.f4 Rd8 43.Rd3 b5 44.Rd2 bxc4 45.Bxc4 Bd5 46.Bxd5 Rxd5 47.a4 Ra5
48.Ra2 Ke7 49.Ke3 Kd6 50.Kd3 Kd5 51.Ra1 Kd6 52.Kc4 Ra6 53.a5 Rc6+ 54.Kd3 
Ra6 55.Ra2 Kd5 56.Re2 Kd6 57.Re5 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "8"]
[White "Portisch, Lajos"]
[Black "Kotov, Alexander"]
[Result "1-0"]
[ECO "A42"]
[EventDate "1967.??.??"]
[PlyCount "115"]

1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 Nc6 5.Be3 e5 6.d5 Nb8 7.Bd3 c5 8.dxc6 Nxc6 
9.Nge2 Nf6 10.f3 Be6 11.O-O O-O 12.Qd2 Ne8 13.Ng3 Nc7 14.Rfd1 a6 15.Bf1 
Nd4 16.Nge2 Bxc4 17.Nxd4 Bxf1 18.Rxf1 exd4 19.Bxd4 Bxd4+ 20.Qxd4 Nb5 21.
Nxb5 axb5 22.Rfd1 Qg5 23.Qxd6 Rfd8 24.Qb6 Rxd1+ 25.Rxd1 Rxa2 26.Qd8+ Qxd8 
27.Rxd8+ Kg7 28.Rd2 Ra1+ 29.Kf2 Rc1 30.Kg3 Rb1 31.Kf4 b4 32.g3 b3 33.Ke5 
h5 34.f4 Rc1 35.Kd4 b5 36.Rd3 Rc2 37.Rxb3 Rxh2 38.Ke3 h4 39.Kf3 h3 40.Kg4 
Rh1 41.Rxb5 h2 42.Kh3 Re1 43.Kxh2 Rxe4 44.Kg2 Re3 45.Kf2 Rd3 46.g4 Kh6 47.
Rb6 Rd5 48.Ke3 f5 49.gxf5 Rxf5 50.b4 Rf8 51.Rd6 Rc8 52.Rd4 Rb8 53.Kd3 Kh5 
54.Kc4 Rc8+ 55.Kd5 Rc1 56.b5 Rb1 57.Kc5 Kg4 58.b6 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "8"]
[White "Zuidema, Coenraad"]
[Black "Scholl, Eduard"]
[Result "1-0"]
[ECO "C85"]
[EventDate "1967.??.??"]
[PlyCount "82"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
O-O 9.Nc4 f6 10.Nh4 Nc5 11.Nf5 Bxf5 12.exf5 Qd5 13.Qg4 Rad8 14.Be3 e4 15.
Bxc5 Bxc5 16.Qxe4 Qxe4 17.dxe4 Rd4 18.Ne3 Rxe4 19.Rad1 Rfe8 20.Rd7 Bd6 21.
Rd1 R4e7 22.Rxe7 Rxe7 23.g3 Kf7 24.Kg2 b5 25.Kf3 Re5 26.Rd4 Ke8 27.Rh4 h6 
28.Re4 Kd7 29.b3 Rc5 30.Ke2 Re5 31.Kd3 Rxe4 32.Kxe4 Bc5 33.Nd1 Kd6 34.f3 
Bg1 35.Nc3 Ke7 36.Ne2 Bc5 37.Nf4 Kf7 38.Ne6 Bd6 39.Nd8+ Ke8 40.Nxc6 h5 41.
Kd5 h4 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "9"]
[White "Donner, Jan"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[ECO "E41"]
[EventDate "1967.??.??"]
[PlyCount "37"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 b6 6.Nf3 Bb7 7.Bd2 cxd4 8.exd4 
O-O 9.O-O d5 10.cxd5 Bxc3 11.bxc3 Qxd5 12.Re1 Nbd7 13.h3 e5 14.c4 Qd6 15.
Nxe5 Nxe5 16.dxe5 Qxd3 17.exf6 Qg6 18.Qg4 Qxf6 19.Rac1 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "9"]
[White "Kotov, Alexander"]
[Black "Enevoldsen, Jens"]
[Result "1-0"]
[ECO "A25"]
[EventDate "1967.??.??"]
[PlyCount "75"]

1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Be6 5.d3 Qd7 6.e4 g6 7.Be3 Bg7 8.Nd5 Nd8 
9.Qb3 c6 10.Qa3 cxd5 11.cxd5 Ne7 12.dxe6 Nxe6 13.Ne2 O-O 14.O-O d5 15.Rad1
d4 16.Bd2 Nc6 17.f4 f6 18.Bh3 Rfe8 19.fxe5 fxe5 20.Qb3 Kh8 21.Rf2 Qd6 22.
Rdf1 Nc5 23.Qc4 a5 24.Bg5 Rf8 25.Qd5 Qxd5 26.exd5 Rxf2 27.Rxf2 Nxd3 28.Rf7
Ncb4 29.d6 Nc5 30.Rc7 Nc6 31.d7 Nxd7 32.Bxd7 h6 33.Bd2 e4 34.Bxc6 bxc6 35.
Nf4 g5 36.Nh5 e3 37.Bxe3 dxe3 38.Rxg7 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "9"]
[White "Moiseev, Oleg"]
[Black "Ciric, Dragoljub"]
[Result "1/2-1/2"]
[ECO "D59"]
[EventDate "1967.??.??"]
[PlyCount "30"]

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Nf3 h6 7.Bh4 b6 8.cxd5 Nxd5
9.Bxe7 Qxe7 10.Nxd5 exd5 11.Be2 Be6 12.O-O c5 13.dxc5 bxc5 14.Rc1 Nd7 15.
Qa4 Qd6 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "9"]
[White "Pachman, Ludek"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[ECO "E43"]
[EventDate "1967.??.??"]
[PlyCount "36"]

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.e3 Bb7 6.Bd3 O-O 7.O-O c5 8.Na4 cxd4
9.exd4 Qc7 10.a3 Be7 11.b4 d6 12.Bb2 Nbd7 13.Rc1 Rac8 14.Re1 Rfe8 15.Nc3 
Bf8 16.d5 e5 17.g3 g6 18.Rc2 Bg7 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "9"]
[White "Ree, Hans"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[ECO "A14"]
[EventDate "1967.??.??"]
[PlyCount "47"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 e6 4.O-O Be7 5.c4 O-O 6.b3 c5 7.Bb2 Nc6 8.cxd5 
Nxd5 9.Nc3 Bf6 10.Rc1 Rb8 11.Qc2 Nxc3 12.Bxc3 b6 13.a3 Ba6 14.d3 Nd4 15.
Nxd4 Bxd4 16.b4 Bxc3 17.Qxc3 Rc8 18.Qb3 Qd7 19.bxc5 Rxc5 20.Rxc5 bxc5 21.
h4 Qb5 22.Rb1 Qxb3 23.Rxb3 Rc8 24.Bf3 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "9"]
[White "Scholl, Eduard"]
[Black "Ghitescu, Theodor"]
[Result "0-1"]
[ECO "C87"]
[EventDate "1967.??.??"]
[PlyCount "80"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Bd7 6.d4 Nf6 7.c3 Be7 8.Nbd2 O-O
9.Re1 Be8 10.Nf1 Nd7 11.Ne3 f6 12.b4 Kh8 13.Bb3 exd4 14.Nxd4 Nxd4 15.cxd4 
Nb6 16.Nf5 Bg6 17.Re3 d5 18.Rh3 Bxf5 19.exf5 Qe8 20.Qg4 Bxb4 21.Bf4 Qf7 
22.Qh4 Qg8 23.Bd1 Rfe8 24.Bh5 Re4 25.Bg6 h6 26.Qg3 Qf8 27.Bxc7 Nc4 28.Rh4 
Rxh4 29.Qxh4 Rc8 30.Bf4 b5 31.h3 Bc3 32.Rc1 b4 33.Bh5 a5 34.Bf3 Nb6 35.Bd1
a4 36.Qg4 b3 37.axb3 a3 38.Qe2 Bb2 39.Rb1 Qb4 40.Kh2 Qxd4 0-1

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "10"]
[White "Ciric, Dragoljub"]
[Black "Kotov, Alexander"]
[Result "1/2-1/2"]
[ECO "A42"]
[EventDate "1967.??.??"]
[PlyCount "41"]

1.e4 d6 2.d4 g6 3.c4 Bg7 4.Nc3 Nc6 5.Be3 e5 6.d5 Nb8 7.Be2 Bh6 8.Bxh6 Nxh6
9.Qd2 Ng4 10.f3 Nf6 11.O-O-O Na6 12.g3 Qe7 13.Qe3 Bd7 14.h4 Nc5 15.Nh3 Nh5
16.f4 Bxh3 17.Rxh3 Nf6 18.Bf3 h5 19.Rh2 a5 20.Nb5 Rc8 21.Re2 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "10"]
[White "Enevoldsen, Jens"]
[Black "Donner, Jan"]
[Result "1-0"]
[ECO "B00"]
[EventDate "1967.??.??"]
[PlyCount "1"]

1.e4 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "10"]
[White "Langeweg, Christian"]
[Black "Scholl, Eduard"]
[Result "0-1"]
[ECO "A49"]
[EventDate "1967.??.??"]
[PlyCount "80"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.d4 d6 6.Nc3 Nc6 7.d5 Na5 8.e4 c6 
9.Rb1 cxd5 10.exd5 Qc7 11.h3 Bd7 12.Nd4 Rac8 13.Nce2 b5 14.b3 Nb7 15.Bb2 
Nc5 16.Nf4 Rfe8 17.Re1 a5 18.a3 Qb6 19.Re2 b4 20.axb4 axb4 21.Qd2 Ra8 22.
Rbe1 Ra2 23.Qc1 Kf8 24.Qb1 Rxb2 25.Qxb2 g5 26.Qc1 gxf4 27.Qxf4 Na6 28.g4 
Nc7 29.Nf5 Nfxd5 30.Qg5 Bxf5 31.Qxf5 Nc3 32.Re3 h6 33.Rf3 f6 34.Rfe3 Qc5 
35.Qd7 N7d5 36.Re6 Qc7 37.Qxc7 Nxc7 38.R6e3 d5 39.Ra1 e5 40.Ra7 N7b5 0-1

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "10"]
[White "Portisch, Lajos"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "A30"]
[EventDate "1967.??.??"]
[PlyCount "92"]

1.Nf3 c5 2.c4 Nf6 3.Nc3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O Be7 7.d4 cxd4 8.Qxd4 
O-O 9.Rd1 Nc6 10.Qf4 Qb8 11.Qxb8 Raxb8 12.Bf4 Rbc8 13.Ne5 d6 14.Nxc6 Bxc6 
15.Bxd6 Bxd6 16.Rxd6 Bxg2 17.Kxg2 Rxc4 18.Rad1 g5 19.Rd8 Rxd8 20.Rxd8+ Kg7
21.Ra8 Nd5 22.Nxd5 exd5 23.Rxa7 Rc2 24.b3 Rxe2 25.Kf3 Rc2 26.Rd7 Rxa2 27.
Rxd5 g4+ 28.Ke3 f6 29.Rb5 Kg6 30.Rxb6 h5 31.Rb8 Kg7 32.b4 Ra3+ 33.Ke2 Ra2+
34.Kf1 Rb2 35.b5 Kf7 36.b6 Kg6 37.Ke1 Kg7 38.Rb7+ Kg6 39.Kf1 Kh6 40.Rb8 
Kg6 41.Kg1 Kh7 42.Kg2 Kg7 43.b7 Rb1 44.h3 gxh3+ 45.Kxh3 Rh1+ 46.Kg2 Rb1 
1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "10"]
[White "Ree, Hans"]
[Black "Moiseev, Oleg"]
[Result "1/2-1/2"]
[ECO "D78"]
[EventDate "1967.??.??"]
[PlyCount "57"]

1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.O-O O-O 5.c4 c6 6.d4 d5 7.Qb3 Qb6 8.Qxb6 
axb6 9.cxd5 Nxd5 10.Bd2 c5 11.e4 Nc7 12.Bc3 Nb5 13.dxc5 Nxc3 14.Nxc3 Bxc3 
15.bxc3 bxc5 16.Rfb1 Nc6 17.Rb5 Ra5 18.Rxa5 Nxa5 19.Rb1 Rd8 20.h4 Bd7 21.
Ne5 Be8 22.Bf1 Rd2 23.Bb5 Bxb5 24.Rxb5 Rxa2 25.Rxc5 f6 26.Nd3 Nc6 27.Nf4 
Ra4 28.f3 Ra2 29.Nd5 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "10"]
[White "Zuidema, Coenraad"]
[Black "Ghitescu, Theodor"]
[Result "1/2-1/2"]
[ECO "C72"]
[EventDate "1967.??.??"]
[PlyCount "56"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.O-O Bd7 6.d4 Nf6 7.c3 Be7 8.Qe2 O-O 
9.Bc2 Bg4 10.d5 Nb8 11.h3 Bxf3 12.Qxf3 Nfd7 13.Rd1 Bg5 14.Bxg5 Qxg5 15.Nd2
g6 16.Qg4 h6 17.Nf3 Qxg4 18.hxg4 Kg7 19.g3 a5 20.b4 Nf6 21.g5 hxg5 22.Nxg5
Nbd7 23.Nf3 Rh8 24.Kg2 Nb6 25.Nd2 Ng4 26.Kf3 Nh2+ 27.Kg2 Ng4 28.Kf3 Nh2+ 
1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "11"]
[White "Donner, Jan"]
[Black "Ciric, Dragoljub"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1967.??.??"]
[PlyCount "99"]

1.c4 e6 2.d4 d5 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 Be7 6.e3 c6 7.Qc2 g6 8.Bd3 
Nbd7 9.Nf3 Nh5 10.Bxe7 Qxe7 11.O-O O-O 12.Rfe1 Ndf6 13.Rab1 a5 14.Na4 Rb8 
15.Nb6 Be6 16.a3 Qc7 17.Qc5 Nd7 18.Nxd7 Bxd7 19.b4 axb4 20.axb4 b6 21.Qc3 
b5 22.Ra1 Nf6 23.Ne5 Rfc8 24.Rec1 Rb7 25.Qc5 Ng4 26.Nxg4 Bxg4 27.Ra6 Bd7 
28.g3 f5 29.h4 Qd8 30.Rca1 Qf8 31.Qxf8+ Kxf8 32.f3 Ke7 33.Kf2 Kd6 34.h5 g5
35.h6 Rf8 36.Rh1 Rg8 37.e4 fxe4 38.fxe4 dxe4 39.Bxe4 Rf8+ 40.Ke3 Be8 41.d5
Re7 42.dxc6 Rc7 43.Rd1+ Ke7 44.Rd5 Rf6 45.Rxg5 Rxh6 46.Rg7+ Kd6 47.Rxc7 
Kxc7 48.Ra7+ Kb6 49.Rb7+ Ka6 50.Rxh7 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "11"]
[White "Ghitescu, Theodor"]
[Black "Langeweg, Christian"]
[Result "1/2-1/2"]
[ECO "E21"]
[EventDate "1967.??.??"]
[PlyCount "23"]

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.Nc3 Bb4 5.Qb3 Qe7 6.g3 Bb7 7.a3 Bxc3+ 8.Qxc3 
d6 9.Bg2 Nbd7 10.O-O O-O 11.Ne1 Bxg2 12.Nxg2 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "11"]
[White "Kotov, Alexander"]
[Black "Ree, Hans"]
[Result "1-0"]
[ECO "A65"]
[EventDate "1967.??.??"]
[PlyCount "93"]

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 Bg7 6.Bd3 O-O 7.Nge2 e6 8.O-O exd5 
9.cxd5 Ne8 10.Bf4 a6 11.a4 Nd7 12.Qd2 Ne5 13.Bg5 f6 14.Bh4 Bd7 15.f4 Nxd3 
16.Qxd3 b5 17.axb5 axb5 18.f5 b4 19.Rxa8 Qxa8 20.Nd1 Bh6 21.Bg3 Qb7 22.Ne3
Bxe3+ 23.Qxe3 gxf5 24.Bxd6 Nxd6 25.Qg3+ Kf7 26.Qxd6 Bb5 27.Rxf5 Qe7 28.
Qxe7+ Kxe7 29.Ng3 Ra8 30.Rh5 Ra1+ 31.Kf2 Ra2 32.Rxh7+ Kd8 33.Nh5 Rxb2+ 34.
Ke3 b3 35.Rb7 Ba6 36.Rb6 Re2+ 37.Kf3 b2 38.d6 Rd2 39.Nxf6 Kc8 40.e5 Bc4 
41.Kf4 Rxg2 42.d7+ Kc7 43.Rc6+ Kxc6 44.d8=Q Rf2+ 45.Kg5 Rxf6 46.Qxf6+ Kb5 
47.Qg6 1-0

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "11"]
[White "Moiseev, Oleg"]
[Black "Zuidema, Coenraad"]
[Result "1/2-1/2"]
[ECO "E19"]
[EventDate "1967.??.??"]
[PlyCount "30"]

1.d4 Nf6 2.Nf3 e6 3.c4 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 
Nxc3 9.Qxc3 f5 10.b3 Bf6 11.Bb2 Nc6 12.Rad1 Ne7 13.Qc1 d6 14.Ng5 Bxg2 15.
Kxg2 Bxg5 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "11"]
[White "Pachman, Ludek"]
[Black "Enevoldsen, Jens"]
[Result "1/2-1/2"]
[ECO "A44"]
[EventDate "1967.??.??"]
[PlyCount "52"]

1.d4 c5 2.d5 e5 3.e4 d6 4.Bd3 Be7 5.Ne2 Bg5 6.f4 exf4 7.Nxf4 Nh6 8.O-O O-O
9.Nd2 Ng4 10.Nf3 Bh6 11.Qe1 Bxf4 12.Bxf4 f6 13.Qg3 Ne5 14.Nxe5 dxe5 15.Be3
Qd6 16.a3 Nd7 17.Rfb1 b6 18.Qf2 Bb7 19.b4 cxb4 20.axb4 f5 21.exf5 Qxd5 22.
Qe2 Kh8 23.Rf1 Qd6 24.Qe1 Nf6 25.Rd1 Qc6 26.Qe2 Rfc8 1/2-1/2

[Event "7th IBM tournament"]
[Site "Amsterdam NED"]
[Date "1967.??.??"]
[Round "11"]
[White "Scholl, Eduard"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[ECO "C85"]
[EventDate "1967.??.??"]
[PlyCount "30"]

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.d3 Nd7 8.Nbd2
O-O 9.Nc4 f6 10.Nh4 Nc5 11.Nf5 Bxf5 12.exf5 Qd7 13.Qg4 b5 14.Ne3 Rfe8 15.
f3 Na4 1/2-1/2

