Chess puzzle (Crushing)
Opening: French_Defense, French_Defense_La_Bourdonnais_Variation
Moves: 1. e4 e6 2. f4 d5 3. exd5 exd5 4. d4 Nf6 5. Nf3 Bd6 6. Be2 O-O 7. O-O Ne4 8.
Be3 f5 9. c3 Qe7 10. Ne5 Bxe5 11. fxe5 Be6 12. Rf3 Nd7 13. Rh3 *
Position (FEN): r4rk1/pppnq1pp/4b3/3pPp2/3Pn3/2P1B2R/PP2B1PP/RN1Q2K1 b - - 4 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1038
Best move: f4