[Event "Memorial M.Najdorf (open)"] [Site "Buenos Aires (Argentina)"] [Round "2"] [White "Giardelli Sergio C (ARG)"] [Black "Ayala Marcelo (ARG)"] [Result "1-0"] [WhiteElo "2437"] [BlackElo "2150"] [ECO "A30"] [Opening "English: Symmetrical, 2.Nf3 Nf6 3.g3"] 1.c4 c5 2.Nf3 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nc3 Nc6 6.d4 cxd4 7.Nxd4 O-O 8.c5 Ne4 9.Nxe4 Bxd4 10.O-O b6 11.Bh6 Re8 12.Nd6 exd6 13.Bxc6 dxc6 14.Qxd4 f6 15.cxd6 c5 16.Qd2 Re6 17.Qd5 Rb8 18.Rad1 Qd7 19.Rd2 Bb7 20.Qc4 Kh8 21.Rfd1 Rbe8 22.f3 g5 23.Qg4 Bc8 24.Qf5 Rd8 25.e4 Qe8 26.d7 Rxd7 27.Rxd7 Bxd7 28.Bxg5 {#r} 1-0