1.d4 Nf6 2.Bg5 d6 3.e3 Nbd7 4.Bd3 g6 5.f4 h6 6.Bh4 Bg7 7.Nf3 c5 8.c3 Qb6 9.Qb3 Qxb3 10.axb3 cxd4 11.exd4 Nd5 12.Bg3 N7f6 13.Bc4 Ne3 14.Kd2 Nxg2 15.Rg1 Bh3 16.Bb5+ Kf8 17.Bf1 Ne4+ 18.Kc2 Ne3+ 19.Kd3 Nxf1 20.Kxe4 Bf5+ 21.Kd5 Ne3#