Grünfeld Defense: Exchange, Modern Exchange Variation

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Nf3 c5 8.Rb1 O-O 9.Be2 cxd4 10.cxd4 Qa5+ 11.Bd2 Qxa2 12.O-O Bg4 13.Bg5