[Event "Biel Interzonal"]
[Site "Biel"]
[Date "1985.??.??"]
[Round "8"]
[White "Seirawan, Yasser"]
[Black "Petursson, Margeir"]
[Result "1/2-1/2"]
[WhiteElo "2570"]
[BlackElo "2550"]
[ECO "D30"]

1.d4 d5 2.c4 e6 3.Nf3 c5 4.cxd5 exd5 5.Bg5 Be7 6.Bxe7 Nxe7 7.dxc5 Na6 8.e3 Nxc5
9.Bb5+ Bd7 10.Bxd7+ Qxd7 11.Nc3 O-O 12.O-O Rac8 13.Qd4 Rfd8 14.Rfd1 b6 15.Rd2 Ne6
16.Qd3 Nc5 17.Qe2 Qf5 18.Rad1 Rd7 19.h3 Rcd8 20.Nd4 Qe5 21.Qg4 Rd6 22.Nf3 Qf6
23.Qh4 Qxh4 24.Nxh4 a6 25.Nf3 Nb7 26.Nd4 Na5 27.b3 f6 28.Nde2 Nac6 29.Nf4 d4
30.Kf1 Nf5 31.Ne4 R6d7 32.g4 Nd6 33.Ng3 Nb5 34.Ne6 Re8 35.Nxd4 Ncxd4 36.exd4 Nc3
37.Rc1 Nd5 38.h4 g6 39.Re2 Red8 40.Rd2 Nf4 41.Ne4 Kg7 42.Rc6 Rxd4 43.Rxd4 Rxd4
44.f3 Nd5 45.Ke1 Kf7 46.g5 fxg5 47.hxg5 a5 48.Nf6 Nxf6 49.Rxf6+ Ke7 50.Rxb6 a4
51.Ke2 Rh4 52.Ke3 Rh2 53.bxa4 Rxa2 54.Ra6 Ra1 55.Ke4 Re1+ 56.Kd5 Rd1+ 57.Ke5 Re1+
58.Kf4 Rc1 59.a5 Rc5 60.Kg4 Kf7 61.Ra7+ Kg8 62.a6 Rc6 63.Kg3 Rb6 64.f4 Rc6
65.Kf2 Re6 66.Ra8+ Kg7 67.Kf3 h5 68.gxh6+ Kh7 69.Kf2 Re4 70.Rf8 Ra4 71.Rf6 Kxh6
72.Ke3 Kg7 73.Rc6 Kf7 74.Rc7+ Kf6 75.Rc6+ Kf7 76.Rb6 Kg7 77.Kf3 Kf7 78.Kg4 Kg7
79.Rc6 Kf7 80.Kf3 Kg7 81.Rd6 Kf7 82.Ke3 Kg7 83.Re6 Kf7 84.Rb6 Kg7 85.Rd6 Kf7
86.Kd3 Kg7 87.Rd7+ Kf6 88.a7 Kf5 89.Kc3 Ra1 90.Kb2 Ra6 91.Kb3 Ra1 92.Rc7 Ke6
93.Kc4 Kf5 94.Kb5 Ra2 95.Kb4 Ke6 96.Kb3 Ra1 97.Kc2 Kf5 98.Rf7+ Ke6 99.Rh7 Kf5
100.Rf7+ Ke6 101.Rh7 Kf5 102.Kb2 Ra6 103.Rf7+ Ke6 104.Rh7 Kf5 105.Kb3 Ra1
106.Rf7+ Ke6 107.Rc7 Kf5 108.Kb4 Kxf4 109.Rc4+ Ke5 110.Rc5+ Kd4 111.Rc4+ Ke5
112.Rc5+ Kd4  1/2-1/2

