[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.??.??"]
[Round "2"]
[White "Ivkov, Borislav"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2465"]
[ECO "B36"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Nf6 6.Nc3 d6 7.Be2 Nxd4 8.Qxd4 Bg7
9.O-O O-O 10.Qe3 Bd7 11.Bd2 a6 12.a4 a5 13.b3 Bc6 14.Rae1 Nd7 15.Bd1 Nc5
16.Bc2 b6 17.f4 e6 18.Ne2 f5 19.exf5 exf5 20.Bc3 Re8 21.Qd2 Bxc3 22.Nxc3  1/2-1/2

