Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Dragon_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. Be3 Bg7 7. Qd2 O-O 8. Nc3
Nc6 9. O-O-O Nxd4 10. Bxd4 Be6 11. Kb1 Rc8 12. g4 Qa5 13. a3 a6 14. h4 d5 15.
exd5 Nxd5 16. Nxd5 *
Position (FEN): 2r2rk1/1p2ppbp/p3b1p1/q2N4/3B2PP/P4P2/1PPQ4/1K1R1B1R b - - 0 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1707
Best move: Qxd5