Chess puzzle (Crushing)
Opening: French_Defense, French_Defense_Tarrasch_Variation
Moves: 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4
f6 9. f4 fxe5 10. fxe5 Nxd4 11. O-O Qb6 12. Kh1 Nxe5 13. Nxd4 Qxd4 14. Bb5+ Bd7
15. Bxd7+ Nxd7 16. Qh5+ g6 17. Qf3 O-O-O 18. Nb3 Qe5 *
Position (FEN): 2kr1b1r/pp1n3p/4p1p1/3pq3/8/1N3Q2/PP4PP/R1B2R1K w - - 4 19
White to move.
Themes:  Middlegame  
Puzzle rating: 1526
Best move: Bf4