[Event "Quebec op U1700"]
[Site "Montreal CAN"]
[Date "2005.07.16"]
[Round "3"]
[White "Guillermo, Marco Antonio"]
[Black "Xiong, Sonja"]
[Result "1-0"]
[BlackElo "1550"]
[PlyCount "83"]

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Nf3 Bb4 7.Bd3 d5 8.exd5 Nxd5 9.Bd2 Nxc3 10.Bxc3 Bxc3+ 11.bxc3 O-O 12.O-O Re8 13.Re1 Qf6 14.Be4 Bg4 15.Qd3 Rad8 16.Qb5 Bxf3 17.Bxf3 Re7 18.Be4 Rd2 19.Re2 Red7 20.Rxd2 Rxd2 21.Rf1 Rd7 22.Qc5 Qd6 23.Qxd6 Rxd6 24.Bd3 g6 25.Re1 f5 26.f3 Kf7 27.Kf2 Kf6 28.h4 Ne7 29.c4 Nc6 30.Rd1 Nb4 31.a3 Nxd3+ 32.Rxd3 Rxd3 33.cxd3 Ke6 34.Ke3 Kd6 35.d4 b6 36.g3 h6 37.g4 f4+ 38.Ke4 a6 39.dxe5+ Ke6 40.Kxf4 a5 41.Ke4 a4 42.f4 1-0