Caro-Kann Defense: Panov Attack

1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Bb4 7.cxd5 Nxd5 8.Bd2 Nc6 9.Bd3 O-O