Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Bg4 7. Be3 e6 8. Nbd2
Nc6 9. h3 Bxf3 10. Nxf3 f6 11. exf6 Nxf6 12. Be2 Qb6 13. O-O O-O 14. b3 Rac8
15. Rc1 Ne4 16. Bd3 Nb4 17. Bxe4 Rxc1 18. Qxc1 dxe4 19. Ng5 Nd5 20. Nxe4 Bxd4
21. Bxd4 Qxd4 22. Ng5 Nc3 23. Qe1 Re8 24. Nf3 Qf6 25. Qd2 Nd5 26. Re1 Nf4 27.
Qe3 Rf8 28. Ne5 Qg5 29. Qg3 Qxg3 30. fxg3 Nd5 31. Nc4 Nc3 32. Rxe6 Nxa2 33. Re7
Rf7 34. Rxf7 Kxf7 35. Nd6+ Ke6 36. Nxb7 Kd5 37. Kf2 Kc6 38. Nd8+ Kb5 39. Ne6
Kb4 40. Nd4 Nc1 41. Nc6+ Kxb3 42. Nxa7 Kc4 43. Kf3 Kd5 44. Kg4 Ke4 45. Nc6 Nd3
46. h4 h6 47. Ne7 *
Position (FEN): 8/4N3/6pp/8/4k1KP/3n2P1/6P1/8 b - - 1 47
Black to move.
Themes:  Endgame, Knight Endgame Mate in 1 
Puzzle rating: 1769
Best move: Nf2#