1.d4 d5 2.Bg5 f6 3.Bh4 e6 4.e3 c5 5.Nd2 Nc6 6.c3 Qb6 7.Qc2 Bd7 8.Bd3 f5 9.g4 c4 10.Be2 g6 11.gxf5 gxf5 12.Bh5#