[Event "It (open)"] [Site "San Jose (Costa Rica)"] [Round "1"] [White "Gasca JM"] [Black "Perales S"] [Result "1-0"] [ECO "B07"] [Opening "Pirc: 3...g6"] 1.e4 d6 2.d4 Nf6 3.Nc3 g6 4.f3 Bg7 5.Be3 O-O 6.Qd2 b6 7.Nge2 c5 8.d5 Nbd7 9.Ng3 Ne5 10.Bh6 Ne8 11.h4 f5 12.h5 Rf6 13.hxg6 {#r} 1-0