abcdefgh87654321
1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Nc6 7.h4 Bd7 8.h5 h6 9.Qg4 Nge7 10.Qxg7 Rg8 11.Qxh6 cxd4 12.cxd4 Nxd4 13.Bd3 Qc7 14.Kf1 Ba4 15.Qf4 Qc3 16.Ne2 Nxe2 17.Qxa4+ Nc6 18.Qb5 Qxa1 19.Qxb7 Qxc1+ 20.Kxe2 Nd4#