Chess puzzle (Crushing)
Moves: 1. d4 Nf6 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c3 Nc6 7. Bg5 Bg4 8. Bxf6
Bxf6 9. Nbd2 Re8 10. e4 e5 11. d5 Ne7 12. Qb3 b6 13. a4 a5 14. c4 Bd7 15. Rfe1
Bg7 16. Qc2 f5 17. b3 fxe4 18. Nxe4 Bf5 19. Qe2 Kh8 20. Rad1 Ng8 21. Nfd2 Rf8
22. h4 Qd7 23. Kh2 Nh6 24. Ng5 Ng4+ 25. Kg1 h6 26. Nge4 Nf6 27. Nxf6 Rxf6 28.
Ne4 Rf7 29. Nd2 Raf8 30. Rf1 h5 31. Kh2 Bh6 32. Ne4 Kg7 33. Ng5 Bxg5 34. hxg5
Qe7 35. f4 Bg4 36. Bf3 Bxf3 37. Rxf3 Qd8 38. Rdf1 Re8 39. f5 e4 *
Position (FEN): 3qr3/2p2rk1/1p1p2p1/p2P1PPp/P1P1p3/1P3RP1/4Q2K/5R2 w - - 0 40
White to move.
Themes:  Endgame  
Puzzle rating: 1750
Best move: f6+