1.c4 e5 2.Nc3 Nf6 3.Nf3 Nc6 4.e3 Bb4 5.Qc2 Bxc3 6.Qxc3 Qe7 7.Be2 d5 8.d4 exd4 9.Nxd4 Nxd4 10.Qxd4 c5 11.Qf4 O-O