King's Indian Defense: Gligorić System

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.Be3 Ng4 8.Bg5 f6 9.Bh4 Nc6 10.d5 Ne7 11.Nd2 Nh6 12.f3 g5 13.Bf2 f5