1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.c3 Nf6 5.d4 exd4 6.cxd4 Bb4+ 7.Bd2 Bxd2+ 8.Qxd2 d5!
Destroys White's duo,(The two side by side pawns) keeping the chances approximately in the balance.