Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. Ng5 Nf6 5. Nc3 e5 6. Ngxe4 Nxe4 7. dxe4 Qxd1+
8. Nxd1 Be6 9. Ne3 Nd7 10. Bc4 Bxc4 11. Nxc4 Bc5 12. Be3 Bxe3 13. Nxe3 g6 14.
O-O-O Ke7 15. Rd3 Rhd8 16. Rhd1 Nc5 17. Rxd8 Rxd8 18. Rxd8 Kxd8 19. f3 f6 20.
h4 Ke7 21. h5 Ne6 22. h6 Ng5 23. Ng4 Nf7 24. Kd2 f5 25. Nf2 Nxh6 26. Ke3 Nf7
27. Nd3 Kd6 28. exf5 gxf5 29. b3 b6 30. c4 c5 31. Nf2 Ng5 32. f4 Ne6 33. fxe5+
Kxe5 34. Nd3+ Kf6 35. Kf3 Nd4+ 36. Kf4 h5 37. Nc1 Ne6+ 38. Ke3 Kg5 39. Nd3 Kg4
40. Kf2 f4 41. Ne5+ Kf5 42. Nc6 a5 43. Ne7+ Ke5 44. Nd5 b5 45. Nb6 b4 46. Nd5
Nd4 47. Nb6 Ke4 48. Nd5 Ne6 49. Ke2 Kd4 50. Kd2 h4 51. Ne7 f3 52. gxf3 h3 *
Position (FEN): 8/4N3/4n3/p1p5/1pPk4/1P3P1p/P2K4/8 w - - 0 53
White to move.
Themes:  Endgame, Knight Endgame Mate in 1 
Puzzle rating: 1775
Best move: Nc6#