[Event "NLD-ch Leeuwarden"]
[Site "Leeuwarden"]
[Date "1974.??.??"]
[Round "1"]
[White "Sosonko, Gennadi"]
[Black "Timman, Jan H"]
[Result "1/2-1/2"]
[WhiteElo "2450"]
[BlackElo "2540"]
[ECO "A04"]

1.d4 g6 2.Nf3 Bg7 3.g3 c5 4.Bg2 cxd4 5.Nxd4 Nc6 6.Nb3 Nf6 7.Nc3 d6 8.O-O O-O
9.h3 Be6 10.e4 Ne5 11.Nd5 Nxd5 12.exd5 Bd7 13.a4 Nc4 14.c3 Qc8 15.Kh2 e5
16.dxe6 fxe6 17.Nd2 Nxd2 18.Bxd2 Bc6 19.Be3 Bxg2 20.Kxg2 Qc6+ 21.Kg1 Rf3
22.Qb3 d5 23.Rad1 Kh8 24.Bd4 Bxd4 25.Rxd4 Raf8 26.Qb5 Qd6 27.Kg2 Qe5 28.Rd3 Qe4
29.Rxf3 Rxf3 30.Kg1 Rf7 31.a5 a6 32.Qb6 Kg7 33.f4 h6 34.Qf2 g5 35.Re1 Qd3
36.Rxe6 gxf4 37.gxf4 Qxh3 38.Qg2+ Qxg2+ 39.Kxg2 Rxf4 40.Rb6  1/2-1/2

