Chess puzzle (Crushing)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. g3 Bb4 7. Nb3 Nf6 8.
Bd2 O-O 9. Qe2 a6 10. a3 Be7 11. Bg2 b6 12. O-O Bb7 13. e5 Ne8 14. a4 d5 15.
exd6 Nxd6 16. a5 b5 17. Nc5 *
Position (FEN): r4rk1/1bq1bppp/p1nnp3/PpN5/8/2N3P1/1PPBQPBP/R4RK1 b - - 1 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 1429
Best move: Nd4