[Event "Ch Brazil"] [Site "masterchessopen.com Americana (Brazil)"] [Round "1"] [White "Leitao Rafael (BRA)"] [Black "Tsuboi Edson Kenji (BRA)"] [Result "1-0"] [WhiteElo "2360"] [BlackElo "2335"] [ECO "D82"] [Opening "Gruenfeld: 4.Bf4 Bg7 5.e3"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5 7.Rc1 dxc4 8.Bxc4 Qxc5 9.Nb5 Qb4+ 10.Kf1 O-O 11.a3 Qa5 12.b4 Qb6 13.Nc7 Ne4 14.Nxa8 Qf6 15.Nc7 Qb2 16.Rc2 Qxa3 17.Nd5 Qa4 18.Bxb8 Be6 19.Ne2 Rxb8 20.Nxe7+ {#r} 1-0