[Event "IBM-B"]
[Site "Amsterdam"]
[Date "1979.??.??"]
[Round "4"]
[White "Shamkovich, Leonid"]
[Black "Langeweg, Kick"]
[Result "0-1"]
[WhiteElo "2495"]
[BlackElo "2440"]
[ECO "B85"]

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 a6 6.Be2 d6 7.O-O Nf6 8.Be3 Be7
9.f4 O-O 10.Kh1 Bd7 11.Nb3 b5 12.Bf3 b4 13.Na4 Rb8 14.a3 a5 15.axb4 axb4
16.Qd2 e5 17.f5 Qc7 18.Rfd1 Rb7 19.g4 Ra8 20.g5 Ne8 21.Nc1 Bxg5 22.Bxg5 Nd4
23.Bg2 Rxa4 24.Nb3 Rxa1 25.Rxa1 Nc6 26.Be3 Ne7 27.Ra8 Nc8 28.Na5 Rb5 29.Nb3 Rb7
30.Ra6 Qc4 31.Ra1 Rc7 32.Rc1 Nf6 33.Qd3 Ba4 34.Na5 Qxd3 35.cxd3 Rxc1+ 36.Bxc1 Bc2
37.Bf1 b3 38.Kg1 d5 39.exd5 Nxd5 40.Kf2 Nd6 41.Nc6 f6 42.Bg2 Nb6 43.Be3 Na4
44.Bd5+ Kh8 45.Bc1 Nxf5 46.Ke2 g5 47.Be6 Nd4+ 48.Nxd4 exd4 49.Bc4 Kg7 50.Bb5 Nb6
51.Bd2 Kg6 52.Bb4 Nd5 53.Bc5 Nc3+ 54.bxc3 b2  0-1

