[Event "It (open) \"] [Site "masterchessopen.com Berlin (Germany)"] [Date "2011.08.19"] [Round "7"] [White "Poeltelt Helmut Dr (GER)"] [Black "Walter Guenter (SUI)"] [Result "0-1"] [WhiteElo "1720"] [BlackElo "2245"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.c3 O-O 9.d4 Bg4 10.d5 Na5 11.Bc2 Qd7 12.Nbd2 Rfb8 13.Nf1 b4 14.Ba4 Bxf3 15.gxf3 Qh3 16.cxb4 Nc4 17.b3 Nb6 18.Bc6 Ra7 19.Re3 h5 20.Bd2 g6 21.Rc1 Kh7 22.Rcc3 a5 23.f4 Qg4+ 24.Rg3 Qxd1 {#R} 0-1