Caro-Kann Defense: Karpov Variation

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Nf3 Ngf6 6.Bd3 Nxe4 7.Bxe4 Nf6 8.Bd3 Bg4 9.c3 e6