[Event "Biel Interzonal"]
[Site "Biel"]
[Date "1985.??.??"]
[Round "4"]
[White "Seirawan, Yasser"]
[Black "Jansa, Vlastimil"]
[Result "1-0"]
[WhiteElo "2570"]
[BlackElo "2480"]
[ECO "A36"]

1.c4 g6 2.Nc3 c5 3.g3 Bg7 4.Bg2 Nc6 5.a3 Rb8 6.Rb1 a6 7.Qa4 Nd4 8.b4 b5 9.cxb5 Nxb5
10.Nxb5 Rxb5 11.Nf3 Bb7 12.O-O Nh6 13.d3 cxb4 14.Rxb4 Rxb4 15.Qxb4 Bc6 16.Bg5 f6
17.Be3 Nf7 18.Rb1 O-O 19.Bb6 Qa8 20.Bc5 d6 21.Be3 Rc8 22.Ne1 Bxg2 23.Nxg2 e5
24.Bd2 d5 25.Ne3 Bf8 26.Qb3 Rd8 27.Ba5 Rd7 28.Qa4 Rb7 29.Bb6 Rb8 30.Qd7 Qb7
31.Nxd5 Qxd7 32.Nxf6+ Kg7 33.Nxd7  1-0

