[Event "Ostend-chT EWG"]
[Site "Ostend BEL"]
[Date "1975.09.20"]
[EventDate "1975.09.18"]
[Round "3"]
[Result "0-1"]
[White "Paul Boersma"]
[Black "Peter Mack"]
[ECO "B33"]
[WhiteElo "2335"]
[BlackElo "2270"]
[PlyCount "86"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Ndb5 d6 7.a4
a6 8.Na3 Be6 9.Bg5 Rc8 10.Nc4 Nd4 11.Bxf6 gxf6 12.Nd5 f5 13.c3
fxe4 14.Ncb6 Rc6 15.a5 Rxb6 16.axb6 Bxd5 17.cxd4 Qxb6 18.dxe5
Qxb2 19.Bxa6 Qc3+ 20.Ke2 Qb2+ 21.Qd2 Qxd2+ 22.Kxd2 bxa6
23.Rxa6 dxe5 24.Rd1 Bg7 25.Ke3 Bc4 26.Ra8+ Ke7 27.Rxh8 Bxh8
28.Kxe4 Ke6 29.g4 Bf6 30.f4 exf4 31.Kxf4 Be2 32.Rg1 h5 33.gxh5
Bxh5 34.Re1+ Kd7 35.h4 Bc3 36.Rg1 Ke6 37.Kg5 Bg6 38.Rg2 Bf6+
39.Kh6 Bb1 40.h5 Bd4 41.Re2+ Kf6 42.Re4 Bc5 43.Rf4+ Bf5 0-1