1.d4 Nf6 2.c4 e6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 c5 7.Rb1 cxd4 8.cxd4 Be7 9.Nf3 O-O 10.Bd3 Nc6 11.e5 b6 12.h4 Bb7 13.Bxh7+ Kxh7 14.Ng5+ Bxg5 15.hxg5+ Kg6 16.Qh5+ Kf5 17.Qh3+ Ke4 18.Qe3+ Kd5 19.Rb5+ Kc4 20.Qe2+ Kxd4 21.Bb2#