English Opening: Symmetrical, Hedgehog Defense

1.c4 c5 2.Nf3 Nf6 3.g3 b6 4.Bg2 Bb7 5.O-O e6 6.Nc3 Be7 7.b3 O-O 8.Bb2 d5 9.cxd5 Nxd5 10.Nxd5 Bxd5