[Event "Memorial M.Najdorf (open)"] [Site "masterchessopen.com – Buenos Aires (Argentina)"] [Round "1"] [White "Nedilsky Diego (ARG)"] [Black "Lopez Sebastian (ARG)"] [Result "1-0"] [WhiteElo "2321"] [BlackElo "2013"] [ECO "D94"] [Opening "Gruenfeld: 5.e3 O-O"] 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 dxc4 7.Bxc4 e6 8.O-O Nc6 9.Be2 b6 10.Rd1 Bb7 11.a3 Qe7 12.Bd2 Rfd8 13.Be1 e5 14.d5 Nb8 15.e4 c6 16.Bc4 cxd5 17.exd5 Ne8 18.Ne4 Na6 19.Nfg5 Nd6 20.Bxa6 Bxa6 21.Bb4 h6 22.Bxd6 Rxd6 23.Nxd6 Qxd6 24.Ne4 {#r} 1-0