[Event "IBM"]
[Site "Amsterdam"]
[Date "1976.??.??"]
[Round "5"]
[White "Ivkov, Borislav"]
[Black "Ligterink, Gert"]
[Result "1/2-1/2"]
[WhiteElo "2520"]
[BlackElo "2400"]
[ECO "E60"]

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 d6 6.d4 Nbd7 7.c4 e5 8.dxe5 Ng4
9.h3 Nh6 10.Nc3 dxe5 11.Qd2 Re8 12.e4 f6 13.Rd1 Nf7 14.h4 c6 15.Bh3 Nf8 16.Qxd8 Rxd8
17.Rxd8 Nxd8 18.Bxc8 Rxc8 19.Bc1 Nfe6 20.Be3 Bf8 21.Ke2 Bb4  1/2-1/2

