[Event "It (open)"] [Site "masterchessopen.com - Avellaneda (Argentina)"] [Date "2007.05.09"] [Round "1"] [White "Mahia Gustavo (ARG)"] [Black "Meza Gabriela (ARG)"] [Result "1-0"] [WhiteElo "2432"] [BlackElo "2045"] [ECO "A60"] [Opening "Benoni: 4.Nc3 exd5 5.cxd5"] 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O a6 10.a4 Nbd7 11.h3 b6 12.Nd2 Rb8 13.Nc4 Ne8 14.Bf4 Ne5 15.Bxe5 Bxe5 16.Qb3 Bg7 17.Na5 Qc7 18.Nc6 Rb7 19.Rfd1 Kh8 20.e3 f5 21.Bf1 Rb8 22.Nxb8 Qxb8 23.Ne2 g5 24.Bg2 Nf6 25.Qc2 Qa7 26.Rab1 Qf7 27.b4 Nd7 28.bxc5 bxc5 29.a5 Be5 30.f4 gxf4 31.gxf4 Bg7 32.Ng3 Qg6 33.Kh2 Bh6 34.Bf3 Nf6 35.Rb8 {#r} 1-0