English Opening: King's English Variation

1.c4 e5 2.g3 Nf6 3.Bg2 d5 4.cxd5 Nxd5 5.Nf3 Nc6 6.O-O Be7 7.d4 exd4 8.Nxd4 Nxd4 9.Qxd4 Nf6 10.Qa4+ c6