Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bc4 Bg7 5. O-O d6 6. c3 Nf6 7. Qc2 O-O 8. d3 e5
9. Bd2 Bg4 10. Na3 a6 11. Rad1 b5 12. Bb3 Be6 13. Bxe6 fxe6 14. fxe5 dxe5 15.
Bg5 Qc7 16. Qd2 Rad8 17. Bxf6 Rxf6 18. Nc2 Rdf8 19. Ne3 Rd8 20. Rf2 c4 21. Ne1
cxd3 22. Nxd3 Rf7 23. Qc2 Rxf2 24. Qxf2 Bh6 25. Ng4 Bg7 26. Nf6+ Bxf6 27. Qxf6
Qf7 28. Qxf7+ Kxf7 29. Nf2 Rxd1+ 30. Nxd1 Kf6 31. Kf2 Ne7 32. Kf3 g5 33. h3 h5
34. b3 Ng6 35. g3 h4 36. Nf2 hxg3 37. Kxg3 Nf4 38. Kf3 Ng6 39. Nd3 Nf4 40. Nc5
a5 41. Kg4 Ne2 42. c4 bxc4 43. bxc4 Nc3 44. a4 Nd1 45. Nb3 Ne3+ 46. Kf3 Nxc4
47. Ke2 Ke7 48. Kd3 Nb6 49. Nxa5 Nxa4 50. Nc6+ Kf6 51. Ke3 Nc5 52. Kf3 Kg6 53.
Nxe5+ Kh5 54. Kg3 Nxe4+ 55. Kf3 Nf6 56. Nf7 Kh4 57. Kg2 Nh5 58. Nd8 e5 59. Nf7
e4 60. Nd6 e3 *
Position (FEN): 8/8/3N4/6pn/7k/4p2P/6K1/8 w - - 0 61
White to move.
Themes:  Endgame, Knight Endgame Mate in 1 
Puzzle rating: 534
Best move: Nf5#