[Event "Ch Army"] [Site "masterchessopen.com - Montabaur (Germany)"] [Round "5"] [White "Rittmeyer Ronald"] [Black "Hessler M"] [Result "1-0"] [ECO "A85"] [Opening "Dutch: 2.c4 Nf6 3.Nc3 g6 4.Nf3 Bg7"] 1.d4 f5 2.c4 Nf6 3.Nc3 g6 4.Nf3 Bg7 5.Bf4 d6 6.e3 O-O 7.Be2 Qe8 8.O-O Nh5 9.Bg5 h6 10.Bh4 g5 11.Nxg5 Nf6 12.Nf3 Qg6 13.Rc1 Kh8 14.Nd5 Nxd5 15.cxd5 c6 16.Bxe7 Rg8 17.Nh4 Qf7 18.dxc6 f4 19.Bh5 Qd5 20.Ng6+ Kh7 21.Nxf4 {#r} 1-0