abcdefgh87654321
1.b4 Nf6 2.Bb2 e6 3.a3 d5 4.e3 Be7 5.Nf3 O-O 6.c4 b6 7.Nc3 Bb7 8.Be2 Nbd7 9.d4 c5 10.bxc5 bxc5 11.cxd5 Nxd5 12.O-O cxd4 13.Nxd5