[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.??.??"]
[Round "15"]
[White "Timman, Jan H"]
[Black "Ree, Hans"]
[Result "0-1"]
[WhiteElo "2445"]
[BlackElo "2430"]
[ECO "D97"]

1.c4 g6 2.Nf3 Bg7 3.d4 Nf6 4.Nc3 d5 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Na6 8.Qb3 c5
9.d5 e6 10.Bxa6 bxa6 11.O-O exd5 12.e5 c4 13.Qa3 Ne4 14.Nd4 Bxe5 15.Nc6 Bd6
16.Nxd8 Bxa3 17.Nc6 Bc5 18.Bh6 Re8 19.Rad1 Be6 20.Nxd5 Rac8 21.Na5 Bxd5 22.Rxd5 Nxf2
23.Nb7 Bb6 24.Bg5 Re2 25.Bd8 Be3 26.Rd7 Rxb2 27.Re7 Ng4+ 28.Kh1 c3 29.Re8+ Kg7
30.Bf6+ Nxf6 31.Rxc8 c2  0-1

