abcdefgh87654321
1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.e3 e6 5.Nf3 Be7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 a6 9.e4 c5 10.dxc5 Bxc5 11.e5 Nfd7 12.Ne4 Bb7 13.O-O O-O 14.Bf4 Nc6 15.a3 Ne7 16.b4 Ba7 17.Nd6 Bd5 18.Ng5 Ng6 19.Qh5 h6 20.Ndxf7 Nxf4 21.Bh7#