[Event "IBM"]
[Site "Amsterdam"]
[Date "1979.??.??"]
[Round "9"]
[White "Andersson, Ulf"]
[Black "Sahovic, Dragutin"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2520"]
[ECO "A25"]

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 d6 6.Nge2 Nh6 7.b3 O-O 8.Bb2 f5
9.Nd5 Ne7 10.f4 c6 11.Ndc3 Be6 12.O-O Nf7 13.Rb1 Rb8 14.d4 Bd7 15.Qd2 e4
16.d5 c5 17.g4 Nc8 18.gxf5 gxf5 19.Ng3 Qh4 20.Rf2 Ne7 21.Bf1 Ng6 22.Be2 Nh6
23.Kh1 Ng4 24.Bxg4 Qxg4 25.Rg1 Qh4 26.Nb1 Bxb2 27.Qxb2 b5 28.Nd2 b4 29.a4 Kf7
30.Qa1 Ke7 31.Qd1 Rf7 32.Rfg2 Qf6 33.Nh5 Qc3 34.Qe1 Kd8 1/2-1/2