[Event "IBM"]
[Site "Amsterdam"]
[Date "1972.??.??"]
[Round "?"]
[White "Ivkov, Borislav"]
[Black "Ree, Hans"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2430"]
[ECO "D94"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd2 c5 7.dxc5 Na6 8.cxd5 Nxd5
9.Nxd5 Qxd5 10.Bxa6 bxa6 11.Bc3 Bxc3+ 12.bxc3 Qxc5 13.Qd4 Qa5 14.O-O Bb7
15.Rab1 Bxf3 16.gxf3 Qxa2 17.c4 Rac8 18.Qxa7 e6 19.Ra1 Qxc4 20.Qxa6 Qd5 21.Qe2 Rc4
22.f4 Rfc8 23.Rfd1 Qe4 24.Qb2 Qf5 25.Rdc1 Qg4+ 26.Kf1 Rxc1+ 27.Rxc1 Rxc1+
28.Qxc1  1/2-1/2

