abcdefgh87654321
1.e4 c5 2.Nc3 Nc6 3.f4 e6 4.Bc4 g6 5.Nf3 Bg7 6.d3 Nge7 7.Bb3 O-O 8.O-O d6 9.Qe1 a6 10.a4 b6 11.Qh4 Nd4 12.Nxd4 Bxd4+ 13.Kh1 Bb7 14.f5 exf5 15.Bg5 Re8 16.Bxf7+ Kxf7 17.Qxh7+ Ke6 18.exf5+ gxf5 19.Bxe7 Rh8 20.Qxf5+ Kxe7 21.Qf7#