Four Knights Game: Scotch Variation Accepted

1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.d4 exd4 5.Nxd4 Bb4 6.Nxc6 bxc6 7.Bd3 O-O 8.O-O Re8 9.Bg5 h6 10.Bh4