[Event "IBM"]
[Site "Amsterdam"]
[Date "1980.??.??"]
[Round "?"]
[White "Timman, Jan H"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[WhiteElo "2600"]
[BlackElo "2545"]
[ECO "B76"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 Nc6 8.Qd2 O-O
9.O-O-O Nxd4 10.Bxd4 Be6 11.Kb1 Qc7 12.h4 Rfc8 13.h5 Qa5 14.hxg6 hxg6 15.a3 Rab8
16.Ne2 Qxd2 17.Rxd2 a6 18.Nf4 Bc4 19.Bxc4 Rxc4 20.Bxf6 Bxf6 21.Nd5 Kg7 22.g4 Rg8
23.Rd3 Rc5 24.c3 g5 25.Rd2 Rc6 26.Rdh2 Kf8 27.Nxf6 exf6 28.Rh8 Rxh8 29.Rxh8+ Ke7
30.Kc2 Rc5 31.Kd3 d5 32.Kd4 Rb5 33.b4 dxe4 34.c4 Rb6 35.c5 Re6 36.fxe4 Kd7
37.a4 Kc7 38.b5 axb5 39.axb5 b6 40.cxb6+ Kxb6 41.Rb8+ Kc7 42.Ra8 Rd6+ 43.Kc5 Re6
44.Kd4 Rd6+ 45.Ke3 Kb7 46.Ra4 Rd1 47.Ra6 Rf1 48.Rd6 Rf4 49.Rc6 Rxg4 50.Rxf6 Rf4  1/2-1/2

