1.d4 d5 2.c4 Nf6 3.e3 Nc6 4.Nc3 e5 5.Nf3 Bg4 6.Qb3 exd4 7.Nxd4 Nxd4 8.exd4 Bd6 9.Qxb7 Qe7+ 10.Be3 O-O 11.Nxd5 Nxd5 12.Qxd5 Bb4#