Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 b5 7. a3 Bb7 8. O-O
Nbd7 9. Be3 e5 10. Nf5 Nc5 11. Bxc5 dxc5 12. Be2 Qc7 13. Qd2 Rd8 14. Qg5 h6 15.
Nxg7+ Bxg7 16. Qxg7 Ke7 17. Nd5+ *
Position (FEN): 3r3r/1bq1kpQ1/p4n1p/1ppNp3/4P3/P7/1PP1BPPP/R4RK1 b - - 2 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 2029
Best move: Bxd5