[Event "It (open)"] [Site "masterchessopen.com Bad Wiessee (Germany)"] [Round "5"] [White "Bartels Holger (GER)"] [Black "Federer Hans-Joachim (GER)"] [Result "1-0"] [WhiteElo "2122"] [BlackElo "2043"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Qc7 8.Qf3 Be7 9.O-O-O Nc6 10.Kb1 Bd7 11.Nb3 Rc8 12.Bd3 O-O 13.Rhe1 Nb4 14.e5 Bc6 15.Qg3 Nh5 16.Qh4 Bxg5 17.fxg5 g6 18.Qxb4 dxe5 19.Be4 Bxe4 20.Qxe4 Nf4 21.g3 Nh3 22.Qh4 Nf2 23.Rd2 {#r} 1-0