Chess puzzle (Crushing)
Opening: French_Defense, French_Defense_Queens_Knight
Moves: 1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d4 Nf6 5. Nf3 Bb4 6. Bd2 O-O 7. a3 Bd6 8.
Bd3 Re8+ 9. Be2 Qe7 10. O-O Bf5 11. Bd3 Bxd3 12. cxd3 c6 13. Bg5 Nbd7 14. Qd2
h6 15. Bf4 Nb6 16. Nh4 Qc7 17. Nf5 *
Position (FEN): r3r1k1/ppq2pp1/1npb1n1p/3p1N2/3P1B2/P1NP4/1P1Q1PPP/R4RK1 b - - 5 17
Black to move.
Themes:  Middlegame  
Puzzle rating: 876
Best move: Bxf4