[Event "It (open) \"] [Site "masterchessopen.com Cologne (Germany)"] [Round "0"] [White "Mueller Ralf (GER)"] [Black "Hogenacker Jacques (GER)"] [Result "0-1"] [WhiteElo "2411"] [BlackElo "2266"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2 e5 7.Nb3 Be7 8.O-O O-O 9.Be3 Be6 10.Nd5 Nxd5 11.exd5 Bf5 12.f4 exf4 13.Bxf4 Bg6 14.Bd3 Bf6 15.Bxg6 hxg6 16.c3 Nd7 17.Qd2 Ne5 18.Nd4 Rc8 19.b3 Qa5 20.Ne2 Ng4 21.Rac1 Qb6+ 22.Nd4 Rxc3 23.Rxc3 Qxd4+ {#R} 0-1