[Event "It (open)"] [Site "masterchessopen.com - Leichlingen (Germany)"] [Round "7"] [White "Koopmann Rolf Dr (GER)"] [Black "Mueller Dieter (GER)"] [Result "1-0"] [WhiteElo "2234"] [BlackElo "1706"] [ECO "A80"] [Opening "Dutch: 2.Nc3 Nf6 3.Bg5 e6"] 1.d4 f5 2.Nc3 Nf6 3.Bg5 e6 4.f3 d6 5.e4 Nbd7 6.Bd3 g6 7.Qe2 h6 8.Bh4 g5 9.Bf2 f4 10.e5 dxe5 11.dxe5 Nd5 12.Bg6+ Ke7 13.Nxd5+ exd5 14.e6 Bg7 15.exd7+ Kxd7 16.O-O-O Qf6 17.Rxd5+ {#r} 1-0