[Event "It (open)"] [Site "masterchessopen.com – Santiago (Chile)"] [Round "5"] [White "Schweitzer Juan (CHI)"] [Black "Chiffelle Boris"] [Result "0-1"] [WhiteElo "2173"] [ECO "B07"] [Opening "Pirc: 3.f3 g6"] 1.e4 d6 2.d4 Nf6 3.f3 g6 4.c4 Bg7 5.Nc3 c6 6.Be3 e5 7.d5 O-O 8.Qd2 cxd5 9.cxd5 Nbd7 10.g4 h5 11.h3 Nc5 12.O-O-O Bd7 13.Nge2 Qa5 14.Kb1 Rac8 15.Ng3 h4 16.Nge2 b5 17.Nc1 b4 18.N3e2 Ba4 19.Re1 Ncxe4 20.fxe4 Nxe4 21.Qd3 Bc2+ 22.Qxc2 Rxc2 23.Kxc2 b3+ 24.axb3 Qxe1 25.Bg2 Rc8+ 26.Kd3 Nf2+ 27.Bxf2 Qxf2 28.Be4 Bh6 {#R} 0-1