Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. c3 Be6 5. Bxe6 fxe6 6. d4 exd4 7. Nxd4 e5 8.
Ne6 Qd7 9. Nxg7+ Kd8 10. O-O Nf6 11. Nf5 Rg8 12. Nd2 Qc6 13. Qf3 Nbd7 14. h3 d5
15. Re1 Bc5 16. b4 Bb6 17. Ba3 a5 18. b5 Qe6 19. exd5 Nxd5 20. Nc4 Nf4 21. Qxb7
Rb8 22. Be7+ Ke8 23. Qc6 Qxf5 24. Rxe5 Qg6 25. Bg5+ Kf8 26. Qxd7 Bxf2+ 27. Kh1
Rg7 28. Rf5+ Kg8 29. Qd2 Qxf5 30. Qxf2 Rxg5 31. Rg1 Rf8 32. Ne3 Qxb5 33. h4
Nxg2 34. Rxg2 Rxf2 35. Rxg5+ Kh8 36. Rxb5 Rxa2 37. Nc4 c6 38. Rxa5 Rc2 39. Ra3
Kg7 40. Ne5 c5 41. Nc6 Kh6 42. Kg1 Kh5 43. Ra5 Kxh4 44. Rxc5 h6 45. Kf1 Kg4 46.
Ke1 Kf4 47. Kd1 Ra2 48. c4 Ke4 49. Rh5 Kd3 50. Rh4 *
Position (FEN): 8/8/2N4p/8/2P4R/3k4/r7/3K4 b - - 4 50
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1199
Best move: Ra1#