Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Open
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 e6 6. Nc3 Qc7 7. Nb5 Qd8 8.
Nd6+ Bxd6 9. Qxd6 Nf6 10. f3 a6 11. Bg5 Qa5+ 12. c3 *
Position (FEN): r1b1k2r/1p1p1ppp/p2Qpn2/q5B1/4P3/2P2P2/PP4PP/R3KB1R b KQkq - 0 12
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 934
Best move: Qxg5