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. Be3 e6 7. Bd3 Be7 8. O-O
O-O 9. f4 e5 10. Nf5 Bxf5 11. exf5 Nc6 12. fxe5 dxe5 13. Qf3 Re8 14. Rad1 Qc7
15. Ne4 Nd4 16. Qf2 Ng4 17. Bxd4 *
Position (FEN): r3r1k1/1pq1bppp/p7/4pP2/3BN1n1/3B4/PPP2QPP/3R1RK1 b - - 0 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1358
Best move: Nxf2