1.d4 Nf6 2.Nf3 g6 3.Bf4 Bg7 4.Nc3 d6 5.Qd2 Bg4 6.e4 Bxf3 7.gxf3 Nc6 8.d5 e5 9.dxc6 exf4 10.cxb7 Rb8 11.e5 Nd7 12.exd6 O-O