[Event "Tournamet (students)"] [Site "masterchessopen.com Tijuca (Brazil)"] [Date "2012.09.01"] [Round "6"] [White "De Paiva Pedro Henrique (BRA)"] [Black "Alvarenga de Carvalho Miguel Angelo "] [Result "1-0"] [WhiteElo "2293"] [BlackElo "2071"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.f4 Qc7 8.Qe2 e5 9.Nf5 h6 10.fxe5 dxe5 11.Bd2 b5 12.O-O-O Bb7 13.Be1 g6 14.Ne3 Nb6 15.Bh4 Bg7 16.Qf3 Nfd7 17.Bxb5 O-O 18.Bxd7 Nxd7 19.Ncd5 Bxd5 20.Nxd5 Qb7 21.Rhf1 Rab8 22.b3 f6 23.Ne7+ Kf7 24.Nxg6 {#r} 1-0