Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Other_variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 g6 4. dxc5 Qa5+ 5. Nc3 Qxc5 6. Be3 Qc7 7. Bd3 Nc6 8.
Nd5 Qd8 9. c4 Bg7 10. Qc2 Bd7 11. a3 Rc8 12. b4 *
Position (FEN): 2rqk1nr/pp1bppbp/2np2p1/3N4/1PP1P3/P2BBN2/2Q2PPP/R3K2R b KQk - 0 12
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1339
Best move: Bxa1