[Event "ch-USA"]
[Site "Stillwater USA"]
[Date "2007.05.18"]
[Round "4"]
[White "Gulko,B"]
[Black "Becerra Rivero,J"]
[Result "1/2-1/2"]
[WhiteElo "2576"]
[BlackElo "2544"]
[ECO "E90"]

1.c4 g6 2.d4 Nf6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.h3 e5 7.d5 a5 8.Bg5 Na6 9.Bd3 Qe8
10.g4 Nd7 11.Rg1 Kh8 12.a3 Ndc5 13.Bc2 Bd7 14.Qe2 f5 15.gxf5 gxf5 16.Nd2 f4
17.Qf3 a4 18.Rg2 h6 19.Bh4 Qf7 20.O-O-O Bf6 21.Bxf6+ Qxf6 22.Rdg1 Rg8 23.Qh5 Rxg2
24.Rxg2 Rg8 25.Rxg8+ Kxg8 26.Nf3 Kg7 27.Kd2 Qf7 28.Qh4 Qf6 29.Qh5 Qf7 30.Qh4  1/2-1/2

