[Event "Ch Austria"] [Site "masterchessopen.com Zwettl (Austria)"] [Date "2012.07.24"] [Round "4"] [White "Mesaros Florian (AUT)"] [Black "Wertjanz David (AUT)"] [Result "0-1"] [WhiteElo "2036"] [BlackElo "2264"] [ECO "B54"] [Opening "Sicilian: Open, 2...d6, 4...Nf6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Bg5 e6 7.Qd2 a6 8.O-O-O Bd7 9.f4 b5 10.Qe1 Nxd4 11.Rxd4 Qb6 12.Qd2 Bc6 13.e5 dxe5 14.fxe5 Bc5 15.Rh4 Nd7 16.Bd3 Nxe5 17.Rxh7 Nxd3+ 18.Qxd3 Rxh7 19.Qxh7 Be3+ 20.Bxe3 Qxe3+ 21.Kb1 O-O-O 22.Qxg7 b4 23.Nd1 Qe2 {#R} 0-1