[Event "IBM"]
[Site "Amsterdam"]
[Date "1980.??.??"]
[Round "?"]
[White "Sosonko, Gennadi"]
[Black "Larsen, Bent"]
[Result "1-0"]
[WhiteElo "2545"]
[BlackElo "2585"]
[ECO "E08"]

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.b3 b5
9.c5 Ne4 10.Bb2 f5 11.Ne1 a5 12.Nd3 Bf6 13.f3 Ng5 14.Nd2 Qc7 15.e4 fxe4 16.fxe4 b4
17.Nf4 Ba6 18.Rfe1 Rfe8 19.e5 Bd8 20.h4 Nf7 21.Bh3 Nf8 22.Nf3 Nh8 23.Bc1 Ra7
24.Bd2 Qf7 25.Bg4 Nfg6 26.Bh5 Rf8 27.a3 bxa3 28.Rxa3 Qd7 29.Nh3 Ne7 30.Nf4 Nhg6
31.Nxg6 hxg6 32.Bg4 Bb5 33.Bg5 Rxf3 34.Bxf3 Nf5 35.Qd2 Nxg3 36.Bg4 Ne4 37.Qf4 Nxg5
38.hxg5 Qe8 39.Qe3 Rf7 40.Ra2 Rf5 41.Bxf5 gxf5 42.Rg2 Qh5 43.g6 Qh4 44.Qf2 Qh6
45.Qe3 Qh4 46.Ra1 Kf8 47.Raa2 Ke8 48.Raf2 Kd7 49.Rf4 Qh5 50.Qf3 Qh6 51.Qg3 Qh5
52.Qf3 Qh6 53.Qg3 Qh5 54.Rf3 Qh6 55.Qf4 Qh5 56.Rh2  1-0

