Slav Defense: Modern, Quiet, Schallopp Defense

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.Nc3 e6 6.Nh4 Bg6 7.Be2 Nbd7 8.O-O Bd6 9.g3 O-O 10.Nxg6 hxg6