[Event "Ch OWL"] [Site "masterchessopen.com – Rheda (Germany)"] [Round "7"] [White "Lachmann Hans-Georg"] [Black "Katzki"] [Result "1-0"] [ECO "D53"] [Opening "QGD: 4.Bg5 Be7 5.e3 O-O"] 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Be7 5.e3 O-O 6.Rc1 Nbd7 7.Nf3 c6 8.a3 h6 9.Bh4 dxc4 10.Bxc4 Nd5 11.Bg3 N7f6 12.O-O b6 13.Ne5 Bb7 14.Nxd5 exd5 15.Bd3 c5 16.Bb1 Ne4 17.Bf4 Bd6 18.f3 Bxe5 19.Bxe5 f6 20.Bf4 Ng5 21.Bxg5 hxg5 22.Qd3 Qe7 23.Qh7+ Kf7 24.Qh5+ Ke6 25.e4 Kd6 26.dxc5+ bxc5 27.Qg4 Qe5 28.b4 Rac8 29.bxc5+ Rxc5 30.Rxc5 Kxc5 31.Qd7 Kb6 32.Bc2 Ba6 33.Rb1+ Ka5 34.Qa4# 1-0