[Event "IBM"]
[Site "Amsterdam"]
[Date "1966.??.??"]
[Round "5"]
[White "Zuidema, Coenraad"]
[Black "Szabo, Laszlo"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B75"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 d6 7.Qd2 Nf6 8.f3 Bd7
9.O-O-O a6 10.g4 Rc8 11.Nxc6 Bxc6 12.Bd4 O-O 13.h4 Qa5 14.Kb1 Rfd8 15.Qe3 Nd7
16.Bxg7 Kxg7 17.h5 Qc5 18.Qc1 Rh8 19.Nd5 Bxd5 20.h6+ Kg8 21.Rxd5 Qf2 22.Qd1 f6
23.g5 Kf7 24.Bh3 Rc7 25.Bxd7 Rxd7 26.gxf6 Kxf6 27.e5+ Ke6 28.Re1 Qxe1 29.Qxe1 Kxd5
30.e6 Rdd8 31.Qe4+ Kc5 32.Qxb7 Rhe8 33.Qxa6 Rb8 34.a3 Kd5 35.Qe2 Rf8 36.Qe4+ Kc5
37.b4+ Kb6 38.Qd4+ Kc6 39.Kb2 Rf6 40.Qa7 Rb7 41.Qa6+ Kc7 42.Qa5+ Kb8 43.Qd8+ Ka7
44.Qg8 Rc7 45.Qxh7 Rxe6 46.Qg7  1-0

