[Event "It \"] [Site "masterchessopen.com – Bad Homburg (Germany)"] [Date "2009.06.11"] [Round "3"] [White "Bull Haakon"] [Black "Keller Peter (SUI)"] [Result "1-0"] [WhiteElo "1702"] [BlackElo "1881"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.h3 Nxe4 7.d4 b5 8.Bb3 Bb7 9.Re1 Na5 10.dxe5 Nxb3 11.axb3 Be7 12.exd6 Nxd6 13.Qe2 Bxf3 14.Qxf3 O-O 15.Nc3 Re8 16.Bf4 Qc8 17.Nd5 Bf8 18.Rxe8 Nxe8 19.Nxc7 Nxc7 20.Bxc7 Ra7 21.Bb6 Re7 22.c3 Qe8 23.Rxa6 Re6 24.Ra8 Re1+ 25.Kh2 Qe5+ 26.Qg3 Qd5 27.Qb8 {#r} 1-0