[Event "Porto Alegre op"] [Site "Porto Alegre"] [Date "2012.??.??"] [Round "3"] [White "Bidigaray, Marcio"] [Black "Da Silveira, Claudio Oliveira"] [Result "1/2-1/2"] [WhiteElo "1707"] [BlackElo "1827"] [ECO "B12"] [PlyCount "95"] 1.e4 c6 2.d4 d5 3.e5 Bf5 4.g4 Be4 5.f3 Bg6 6.h4 h6 7.h5 Bh7 8.Bd3 Bxd3 9.Qxd3 e6 10.Ne2 c5 11.Qb5+ Qd7 12.Qxd7+ Nxd7 13.c3 Ne7 14.Nd2 Nc6 15.f4 Be7 16.Nf3 b5 17.g5 Nb6 18.b3 a5 19.gxh6 gxh6 20.Rg1 a4 21.Rb1 b4 22.Bd2 axb3 23.axb3 Ra3 24.Kf2 Kd7 25.Rg7 Ke8 26.Nc1 Kf8 27.Rg1 Rg8 28.Rxg8+ Kxg8 29.Nd3 cxd4 30.cxd4 Ra2 31.Ke3 Ra3 32.Rb2 Kf8 33.Ke2 Ra1 34.Nc1 Ra3 35.Rc2 Ke8 36.Rxc6 Ra6 37.f5 Kd7 38.Rc2 Bf8 39.f6 Na8 40.Ra2 Ra3 41.Rxa3 bxa3 42.Na2 Kc6 43.b4 Nb6 44.Kd3 Nc4 45.Bc1 Kb5 46.Kc3 Ka4 47.Kc2 Nb6 48.Kc3 1/2-1/2