[Event "Ch Brazil"] [Site "Porto Alegre (Brazil)"] [Round "4"] [White "De Freitas Marcio Elisio"] [Black "Ribas Hector"] [Result "1-0"] [ECO "A50"] [Opening "Indian: Queen's Indian Accelerated"] 1.d4 Nf6 2.c4 b6 3.Nc3 Bb7 4.d5 c6 5.e4 cxd5 6.cxd5 d6 7.g4 g6 8.g5 Nfd7 9.f4 Bg7 10.Nf3 Na6 11.Be3 Rc8 12.Bd4 O-O 13.h4 Qc7 14.Bh3 Rcd8 15.h5 Bxd4 16.Nxd4 Qc5 17.Qd2 Nb4 18.hxg6 hxg6 19.Nb3 {#r} 1-0