Modern Defense: Averbakh Variation

1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 e5 5.Nge2 exd4 6.Nxd4 Nc6 7.Be3 Nge7 8.Be2 O-O 9.O-O f5 10.exf5 Bxd4 11.Bxd4 Nxf5 12.Be3 Nxe3 13.fxe3