[Event "Ch Bayern (seniors)"] [Site "masterchessopen.com - masterchessopen.com - Bayern (Germany)"] [Round "4"] [White "Koch Herbert (GER)"] [Black "Wilke Dieter Dr (GER)"] [Result "0-1"] [WhiteElo "1906"] [BlackElo "2124"] [ECO "A57"] [Opening "Benko Gambit: 4.cxb5 a6 5.e3"] 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 g6 6.Nc3 Bg7 7.Nf3 O-O 8.Bc4 d6 9.O-O Nbd7 10.bxa6 Bxa6 11.Bxa6 Rxa6 12.Qc2 Qa5 13.Bd2 Rb8 14.b3 Qc7 15.a4 Qb7 16.e4 Qxb3 17.Qxb3 Rxb3 18.Rfb1 Rb4 19.Ra3 Rxb1+ 20.Nxb1 Nxe4 21.Ng5 Rb6 {#R} 0-1