[Event "It (open)"] [Site "masterchessopen.com Hassloch (Germany)"] [Round "3"] [White "Hefter Franz (GER)"] [Black "Mueller Markus (GER)"] [Result "0-1"] [WhiteElo "1998"] [BlackElo "1746"] [ECO "A40"] [Opening "Queen's Pawn: Modern"] 1.d4 g6 2.c4 Bg7 3.Nc3 Nf6 4.e4 O-O 5.f3 d6 6.Be3 e5 7.Nge2 c6 8.Qd2 Nbd7 9.g4 Qa5 10.Nc1 exd4 11.Bxd4 Ne5 12.Be2 Be6 13.Nb3 Qc7 14.Qf4 Nfd7 15.Nd2 d5 16.Kf1 dxc4 17.Bxc4 Qd6 18.Bxe6 fxe6 19.Bxe5 Qd3+ 20.Kg2 Bxe5 21.Qg5 Bf4 22.Qe7 Qxd2+ 23.Kh3 Rae8 {#R} 0-1