abcdefgh87654321
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Ba5 6.d4 exd4 7.O-O Nf6 8.e5 Ng4 9.Bg5 Ne7 10.Qxd4 d6 11.e6 f5 12.Qxg7 Rf8 13.Rd1 c6 14.h3 b5 15.Bb3 h6 16.Bh4 Qc7 17.hxg4 fxg4 18.Qxg4 Nd5 19.Qg6+ Rf7 20.exf7+ Kf8 21.Qg8#