Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...g6/6. Be3/6...Bg7/7. f3/7...O-O/8. Qd2/8...Nc6/9. Bc4/9...Bd7/10. O-O-O/10...Rc8

= Sicilian Defense, Dragon, Old Line = Black takes advantage of the half-open c-file they received in the Open Sicilian, and aims at the hanging c4-bishop. As Nxd4 Qxd4 Ng4! takes advantage of the overworked White queen and Black is attacking both bishops at once, White typically moves the bishop to safety with Bb3, keeping an eye on the Black king.