[Event "It (open)"] [Site "masterchessopen.com Berkeley (USA)"] [Date "2005.12.19"] [Round "6"] [White "Perepelitsky Edward (USA)"] [Black "De Guzman Ricardo (PHI)"] [Result "0-1"] [WhiteElo "2123"] [BlackElo "2383"] [ECO "E47"] [Opening "Nimzo-Indian: 4.e3 O-O 5.Bd3"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 dxc4 10.Bxc4 Qc7 11.Re1 Rd8 12.Ba2 h6 13.e4 e5 14.d5 Ne7 15.h3 Ng6 16.Nh2 Qe7 17.c4 Ne8 18.Nf1 Nd6 19.Ng3 b6 20.Qc2 Qf6 21.Ne2 Qh4 22.Bb1 f5 23.Ng3 f4 24.Nf5 Qg5 25.g3 Qf6 26.gxf4 Rf8 27.Nxd6 Bxh3 28.Nf5 exf4 29.Kh2 Qg5 30.Kxh3 Qh5+ 31.Kg2 f3+ 32.Kg3 Ne5 33.Rg1 Rxf5 {#R} 0-1