abcdefgh87654321
1.f4 e5 2.fxe5 d6 3.Nf3 Nc6 4.e4 dxe5 5.Be2 Bc5 6.c3 a5 7.d3 Nf6 8.Bg5 h6 9.Bd2 Ng4 10.d4 exd4 11.cxd4 Nxd4 12.Nxd4 Qxd4 13.Bc3 Qf2+ 14.Kd2 O-O 15.Qf1 Qe3+ 16.Kc2 Nf2 17.Bf3 Nxh1 18.Qxh1 Rd8 19.Nd2 Qd3+ 20.Kb3 a4#