Alekhine's Defense: Modern, Larsen Variation

1.e4 Nf6 2.e5 Nd5 3.d4 d6 4.Nf3 dxe5 5.Nxe5 c6 6.Be2 Nd7 7.Nf3 g6 8.O-O Bg7 9.c4 Nc7