[Event "Cup Germany"] [Site "masterchessopen.com Cologne (Germany)"] [Round "0"] [White "Christiansen Larry M (USA)"] [Black "Nunn John D M (ENG)"] [Result "1-0"] [WhiteElo "2550"] [BlackElo "2575"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Bxc6 dxc6 7.Qe1 c5 8.Nxe5 Qd4 9.Nf3 Qxe4 10.Qxe4 Nxe4 11.Re1 Nd6 12.Nc3 Kd8 13.d4 c4 14.Bf4 Re8 15.b3 cxb3 16.axb3 Bg4 17.Ne5 Bf5 18.Nd5 Bxc2 19.Rac1 Bxb3 20.Nxf7+ {#r} 1-0