[Event "Olympiad"] [Site "masterchessopen.com Tel Aviv (Israel)"] [Round "1"] [White "Rocha Antonio (BRA)"] [Black "Guerrero Mario (ARG)"] [Result "1-0"] [WhiteElo "2300"] [BlackElo "2132"] [ECO "E21"] [Opening "Nimzo-Indian: Three Knights"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 b6 5.g3 Bb7 6.Bg2 Ne4 7.Qc2 f5 8.O-O O-O 9.a3 Be7 10.Ne1 d5 11.cxd5 exd5 12.Nd3 Nd7 13.Nf4 Rf6 14.Nfxd5 Rd6 15.Qb3 Kh8 16.Bf4 Bxd5 17.Nxd5 Qg8 18.Bxd6 Bxd6 19.Qb5 Nf8 20.Ne3 a6 21.Qxf5 {#r} 1-0