abcdefgh87654321
1.e4 c6 2.d4 d5 3.e5 Bf5 4.g4 Be4 5.Nf3 Nd7 6.Nbd2 Bg6 7.e6 Nb6 8.Ne5 Nf6 9.f4 fxe6 10.Nxg6 hxg6 11.Bd3 Kf7 12.Nf3 Nxg4 13.Ng5+ Kg8 14.Qxg4 Qd6 15.Bxg6 Rh6 16.Bf7+ Kh8 17.Bxe6 Qb4+ 18.c3 Qc4 19.Nf7+ Kh7 20.Nxh6 gxh6 21.Qg8#