abcdefgh87654321
1.e4 Nf6 2.Nc3 d5 3.exd5 Nxd5 4.d4 g6 5.Nf3 Nxc3 6.bxc3 Bg7 7.Bd3 c5 8.Rb1 O-O 9.h4 Nc6 10.h5 cxd4 11.Ng5 Ne5 12.hxg6 Nxd3+ 13.Qxd3 hxg6 14.Qg3 Qa5 15.Qh4 Rd8 16.O-O Qxc3 17.Qh7+ Kf8 18.Ne4 Qc6 19.Bh6 Bxh6 20.Qh8#