[Event "VK1 Ruhrgebiet 1998/99"] [Site "masterchessopen.com - Germany"] [Round "5"] [White "Thelen Thomas (GER)"] [Black "Naumann Klaus"] [Result "0-1"] [WhiteElo "2118"] [ECO "A58"] [Opening "Benko Gambit: 5.bxa6"] 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 Bxf1 8.Kxf1 g6 9.g4 Qc8 10.f3 Na6 11.Nge2 h5 12.g5 Qh3+ 13.Kf2 Nd7 14.Bf4 Bg7 15.Qa4 O-O 16.Ng1 Qh4+ 17.Bg3 Qxg5 18.Qxd7 h4 19.f4 Bd4+ 20.Kf3 Qh5+ 21.Kg2 Rfb8 22.Be1 Rxb2+ 23.Kf1 Bxg1 24.Qh3 Bd4 {#R} 0-1