[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "7"]
[White "Ribli, Zoltan"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2555"]
[ECO "A07"]

1.Nf3 Nf6 2.g3 d5 3.Bg2 c6 4.O-O Bg4 5.d3 Nbd7 6.Nbd2 e6 7.b3 a5 8.a3 Be7
9.Bb2 h6 10.h3 Bh5 11.e4 O-O 12.Qe2 dxe4 13.dxe4 Qc7 14.g4 Bg6 15.Ne1 e5
16.Nd3 Rfe8 17.Rad1 Bf8 18.Qe3 Rad8 19.Rfe1 b6 20.Qg3 Nh7 21.Nc4 f6 22.f4 b5
23.f5 bxc4 24.fxg6 cxd3 25.gxh7+ Kxh7 26.cxd3 Qb6+ 27.d4 exd4 28.Bxd4 Bc5
29.Bxc5 Qxc5+ 30.Kh1 Ne5 31.h4 Qc2 32.Rxd8 Rxd8 33.g5 Qd3 34.Qf2 Qd2 35.Re2 Qc1+
36.Re1 Qd2 37.Re2 Qc1+ 38.Re1 Rd1 39.Qf5+ g6 40.Rxd1 Qxd1+ 41.Qf1 Qxf1+ 42.Bxf1 fxg5
43.hxg5 c5 44.gxh6 Kxh6 45.Kg2 Kg5 46.Kg3 Nf7 47.Bc4 Nd6 48.Bd3 Nf7 49.Bc4 Ne5
50.Bf1 Kf6 51.Kf4 Nf7 52.Be2 g5+ 53.Kg4 Ke5 54.Bf3 Kd4 55.Kf5 Nd6+ 56.Kxg5 Nxe4+
57.Kf4 Nd2 58.Bd1 Kc3 59.b4 cxb4 60.axb4 axb4 61.Ba4 Nc4 62.Kf3 Nb2 63.Bd7 b3
64.Be6 Nc4 65.Ke2  1/2-1/2

