Réti Opening: King's Indian Attack, Symmetrical Defense

1.Nf3 Nf6 2.g3 g6 3.b3 Bg7 4.Bb2 O-O 5.Bg2 c5 6.c4 Nc6 7.O-O d6 8.d4 cxd4 9.Nxd4 Bd7 10.Nc3 Nxd4 11.Qxd4 Bc6