[Event "Zt"] [Site "masterchessopen.com Mar del Plata (Argentina)"] [Round "0"] [White "Panno Oscar (ARG)"] [Black "Souza Mendes Joao"] [Result "1-0"] [WhiteElo "2438"] [ECO "E47"] [Opening "Nimzo-Indian: 4.e3 O-O 5.Bd3"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3 d5 6.Nf3 b6 7.O-O Bb7 8.a3 Be7 9.b3 Nbd7 10.Bb2 Ne4 11.Qe2 Nxc3 12.Bxc3 Bf6 13.e4 dxe4 14.Bxe4 Bxe4 15.Qxe4 c5 16.Rfd1 Qc7 17.Rac1 Rad8 18.Qc2 Rfe8 19.h3 h6 20.Qe2 Qb7 21.b4 Qc7 22.Bb2 Qb7 23.Qc2 Qc6 24.Qb3 Rc8 25.dxc5 bxc5 26.b5 Qc7 27.Bxf6 Nxf6 28.a4 Red8 29.Qc3 Rxd1+ 30.Rxd1 Rd8 31.Rxd8+ Qxd8 32.a5 Qd1+ 33.Kh2 Ne4 34.Qe3 Qd6+ 35.g3 f5 36.Qf4 Qd3 37.Kg2 Nf6 38.Ne5 Qc2 39.Qe3 Ne4 40.g4 g5 41.gxf5 {#r} 1-0