Semi-Slav Defense: Main Line, Chigorin Defense

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 Bd6 7.O-O O-O 8.e4 dxc4 9.Bxc4 e5