[Event "IBM"]
[Site "Amsterdam"]
[Date "1972.??.??"]
[Round "?"]
[White "Ivkov, Borislav"]
[Black "Szabo, Laszlo"]
[Result "1/2-1/2"]
[WhiteElo "2560"]
[BlackElo "2525"]
[ECO "E91"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 Bg4 7.Be3 Nfd7 8.Ng1 Bxe2
9.Ngxe2 c5 10.O-O Nc6 11.d5 Na5 12.b3 a6 13.Rb1 Qb8 14.a4 e5 15.Qc2 Qd8 16.Nc1 f5
17.f3 f4 18.Bf2 g5 19.Nd3 h5 20.Qe2 Rf6 21.Rfc1 Rg6 22.Be1 g4 23.Nd1 Rc8
24.N1f2 b6 25.fxg4 Qg5 26.h3 Nf6 27.b4 cxb4 28.Rxb4 hxg4 29.Nxg4 Nxg4 30.Qxg4 Qxg4
31.hxg4 Rxg4 32.Kf1 Bh6 33.Rc3 Rg7 34.Nb2 Rb7 35.Bf2 Rcb8  1/2-1/2

