[Event "It (open) \"] [Site "masterchessopen.com - Berlin (Germany)"] [Date "2007.08.19"] [Round "2"] [White "Roth Joachim (GER)"] [Black "Knebel Willi (GER)"] [Result "1-0"] [WhiteElo "1869"] [BlackElo "2078"] [ECO "A03"] [Opening "Bird: 1...d5 2.Nf3 c5 3.e3"] 1.f4 d5 2.Nf3 c5 3.e3 Nc6 4.Bb5 Bd7 5.b3 Nf6 6.Bb2 e6 7.O-O a6 8.Bxc6 bxc6 9.Ne5 Ng8 10.c4 Nf6 11.Rf3 Qe7 12.Nc3 g6 13.Na4 Rg8 14.Ba3 Qd8 15.Bxc5 Bxc5 16.Nxc5 Qc7 17.Rc1 Qa7 18.d4 Qb6 19.Qe1 Bc8 20.Qh4 Nh5 21.g4 {#r} 1-0