1.Nf3 c5 2.c4 Nc6 3.Nc3 g6 4.e3 e5 5.d4 cxd4 6.exd4 exd4 7.Nxd4 Bg7 8.Ndb5 Nf6 9.Qd6 Qe7+ 10.Qxe7+ Kxe7 11.Nd5+ Nxd5 12.cxd5 Nb4 13.d6+ Kd8 14.Kd1 a6 15.Nc7 Rb8 16.Be3 b5 17.a3 Nc6 18.Nd5 Be5 19.Bg5+ Ke8 20.Nf6+ Kf8 21.Bh6#