Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Chekhover_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 a6 8.
Bg5 h6 9. Bh4 Rc8 10. O-O-O e5 11. Bxd8 *
Position (FEN): 2rBkbnr/1p3pp1/p1bp3p/4p3/3QP3/2N2N2/PPP2PPP/2KR3R b k - 0 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 1451
Best move: exd4