[Event "Belgrade URS-World"]
[Site "Belgrade"]
[Date "1970.??.??"]
[Round "4.10"]
[White "Keres, Paul"]
[Black "Ivkov, Borislav"]
[Result "1-0"]
[WhiteElo ""]
[BlackElo ""]
[ECO "B50"]

1.e4 c5 2.Nf3 d6 3.Nc3 Bg4 4.h3 Bxf3 5.Qxf3 Nc6 6.g3 g6 7.Bg2 Bg7 8.O-O h5
9.d3 h4 10.g4 e5 11.Nd5 Nce7 12.Rb1 Nxd5 13.exd5 a5 14.c3 Ne7 15.Qe2 f5 16.f4 fxg4
17.Qxg4 Qd7 18.fxe5 Bxe5 19.Bg5 Qxg4 20.hxg4 Rh7 21.Be4 Kd7 22.Rf3 Rg8 23.Rbf1 Ke8
24.Kh1 h3 25.Rd1 Kd7 26.d4 cxd4 27.cxd4 Bh8 28.Kh2 Rc8 29.Rdf1 Bxd4 30.Rf7 Be5+
31.Kh1 Rxf7 32.Rxf7 Rc4 33.Bxg6 Rd4 34.Rxe7+ Kc8 35.Bf5+ Kb8 36.Re8+ Ka7
37.Be3  1-0

