Chess puzzle (Crushing)
Moves: 1. d4 d5 2. c4 dxc4 3. e3 e6 4. Bxc4 Be7 5. Nf3 Nf6 6. O-O O-O 7. a3 Bd7 8. b4
Nc6 9. Bb2 a6 10. Nbd2 b5 11. Ba2 Nd5 12. Rc1 Na7 13. Qc2 c6 14. Bb1 g6 15. e4
Nf4 16. Ne5 Ne2+ 17. Kh1 Nxc1 18. Rxc1 Bf6 19. Ng4 Bg7 20. e5 Nc8 21. Ne4 f5 *
Position (FEN): r1nq1rk1/3b2bp/p1p1p1p1/1p2Pp2/1P1PN1N1/P7/1BQ2PPP/1BR4K w - f6 0 22
White to move.
Themes:  Middlegame  En Passant
Puzzle rating: 1853
Best move: exf6