[Event "It \"] [Site "masterchessopen.com Vitoria (Brazil)"] [Round "6"] [White "Chagas Humberto"] [Black "Silveira Rogerio Zanon Da (BRA)"] [Result "1-0"] [WhiteElo "2000"] [BlackElo "2178"] [ECO "D20"] [Opening "QGA: 3.e4 e5 4.Nf3 exd4"] 1.d4 d5 2.c4 dxc4 3.e4 e5 4.Nf3 exd4 5.Nxd4 a6 6.Bxc4 Bb4+ 7.Nc3 Bxc3+ 8.bxc3 Ne7 9.O-O O-O 10.Bg5 Nbc6 11.Nxc6 {#r} 1-0