abcdefgh87654321
1.d4 d5 2.e4 e6 3.Be3 dxe4 4.Nd2 Nf6 5.f3 exf3 6.Ngxf3 b6 7.Bd3 Bb7 8.O-O Nc6 9.c3 Bd6 10.Qe1 O-O 11.Qh4 h6 12.Bxh6 gxh6 13.Qxh6 Re8 14.Ng5 Bxh2+ 15.Kh1 Ne5 16.Rxf6 Qd7 17.Raf1 Bg3 18.Qh7+ Kf8 19.Rxf7+ Nxf7 20.Rxf7+ Qxf7 21.Qxf7#