1.d4 d5 2.e3 Nf6 3.c4 e6 4.Nc3 dxc4 5.Bxc4 Bd6 6.Nf3 O-O 7.Bd3 Nc6 8.Qc2 b6 9.Ng5 Nb4 10.Qb1 h6 11.Bh7+ Nxh7 12.Qxh7#