[Event "OHRA-A"]
[Site "Amsterdam"]
[Date "1990.??.??"]
[Round "8"]
[White "Portisch, Lajos"]
[Black "Van der Wiel, John TH"]
[Result "1-0"]
[WhiteElo "2590"]
[BlackElo "2555"]
[ECO "A90"]

1.d4 e6 2.c4 f5 3.g3 Nf6 4.Bg2 d5 5.Nf3 c6 6.O-O Bd6 7.b3 Qe7 8.Ne5 O-O 9.Nd2 Bd7
10.Ndf3 Be8 11.Nd3 Nbd7 12.Bf4 Bxf4 13.Nxf4 h6 14.cxd5 cxd5 15.Rc1 g5 16.Nd3 Nb8
17.Rc8 Bb5 18.Rxf8+ Qxf8 19.h4 Qg7 20.hxg5 hxg5 21.Nc5 Ne4 22.Nxe6 Qh6 23.Qc1 Qxe6
24.Nxg5 Qd7 25.Nxe4 dxe4 26.Qg5+ Kf8 27.Qf6+ Qf7 28.Qh8+ Qg8 29.Qe5 Bd7 30.Qc7 Qd5
31.Qd8+ Kf7 32.e3 Bc6 33.Qh8 Qe6 34.Rc1 Qf6 35.Qc8 Qe6 36.Qh8 Qf6 37.Qh7+ Kf8
38.Rc5 Bd7 39.Rc7 b6 40.Bf1 Qd6 41.Bc4 Ke8 42.Qg8+ Ke7 43.Qg5+ Ke8 44.Be2 Nc6
45.Qg8+ Ke7 46.Rxd7+ Qxd7 47.Qxa8 Nb4 48.a3 Nd3 49.Qg8  1-0

