abcdefgh87654321
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d4 exd4 5.e5 Ne4 6.Qe2 Nc5 7.O-O Ne6 8.c3 d5 9.exd6 Bxd6 10.cxd4 O-O 11.Be3 Qf6 12.Qd2 Nf4 13.Nc3 Nxg2 14.Kxg2 Bh3+ 15.Kxh3 Qxf3+ 16.Kh4 Ne7 17.Bd3 Ng6+ 18.Bxg6 fxg6 19.Qe2 Be7+ 20.Bg5 Rf4#