Chess puzzle (Crushing)
Moves: 1. e4 e6 2. Nc3 d5 3. Nf3 d4 4. Ne2 c5 5. d3 Nc6 6. Ng3 Nf6 7. Be2 Be7 8. O-O
O-O 9. Ng5 e5 10. f4 h6 11. fxe5 Nxe5 12. Nf3 Ng6 13. c3 Be6 14. Bd2 Qd6 15.
cxd4 cxd4 16. Qa4 Rfd8 17. a3 a6 18. Bb4 b5 19. Bxd6 bxa4 20. Bxe7 Nxe7 21. Bd1
Rab8 22. Rf2 Bb3 23. Bxb3 Rxb3 24. Rd2 Ng4 25. Rc1 Ng6 26. Rc4 N6e5 27. Rxa4
Nxf3+ 28. gxf3 Ne5 29. Kg2 Nxd3 30. Nf5 Nxb2 31. Rdxd4 Rxd4 32. Nxd4 Nxa4 33.
Nxb3 Kf8 34. Kf2 Ke7 35. Ke3 Kd6 36. Kd4 f6 37. Na5 g5 38. Nc4+ Ke6 39. Ne3 h5
40. h3 Nb2 41. Nf5 Kf7 42. Kc5 Nd1 43. Kb6 Nf2 44. h4 g4 45. fxg4 hxg4 46. Kxa6
Nxe4 47. Kb6 g3 48. Ne3 f5 49. Ng2 Nc3 50. Kc5 Kg6 51. Kb4 Nd5+ 52. Kc5 *
Position (FEN): 8/8/6k1/2Kn1p2/7P/P5p1/6N1/8 b - - 7 52
Black to move.
Themes: Defensive Move Endgame, Knight Endgame  
Puzzle rating: 1627
Best move: f4