[Event "It (open)"] [Site "Recklinghausen (Germany)"] [Round "6"] [White "Mazurkiewicz"] [Black "Ahling Michael (GER)"] [Result "1-0"] [BlackElo "2154"] [ECO "A30"] [Opening "English: Symmetrical, 2.Nf3 Nc6"] 1.c4 c5 2.Nf3 Nc6 3.Nc3 Nf6 4.g3 g6 5.Bg2 Bg7 6.O-O O-O 7.e3 d6 8.d4 cxd4 9.exd4 e5 10.d5 Ne7 11.Bd2 Bd7 12.Qb3 Qc8 13.Nb5 Ne4 14.Bb4 Bxb5 15.cxb5 Nc5 16.Qc4 b6 17.Nd2 f5 18.Nb3 Nxb3 19.Qxb3 Qd7 20.a4 Rac8 21.Rac1 Bh6 22.Rc6 Nxc6 23.dxc6+ Qf7 24.Bd5 {#r} 1-0