Chess puzzle (Crushing)
Opening: French_Defense, French_Defense_Advance_Variation
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. dxc5 Bxc5 7. Qc2 Nge7 8. Bd3
Ng6 9. Bxg6 hxg6 10. O-O Qc7 11. Bf4 Bd7 12. Nbd2 O-O 13. Rfe1 b5 14. Qd3 Qb6
15. Rf1 Rfc8 16. Ng5 f6 *
Position (FEN): r1r3k1/p2b2p1/1qn1ppp1/1pbpP1N1/5B2/2PQ4/PP1N1PPP/R4RK1 w - - 0 17
White to move.
Themes:  Middlegame  
Puzzle rating: 1729
Best move: exf6