Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. Ba4 Nf6 6. Re1 Be7 7. c3 O-O 8. Bc2
Re8 9. d3 Bf8 10. Nbd2 Ne7 11. Nf1 Ng6 12. Ng3 Bg4 13. h3 Be6 14. d4 exd4 15.
cxd4 c6 16. e5 dxe5 17. dxe5 Qxd1 18. Rxd1 Nd5 19. Bd2 Ngf4 20. Bxf4 Nxf4 21.
Rd4 Nd5 22. Rad1 Bc5 23. Rh4 h6 24. Ne4 Bb6 25. Nd6 Re7 26. Nd4 Bxd4 27. Rdxd4
Rd8 28. Rd3 Nb4 29. Rxb4 Bxa2 30. Bb3 Bxb3 31. Rbxb3 Rxe5 32. Nxb7 Rxd3 33.
Rxd3 Rb5 34. Nd8 Rxb2 35. Nxc6 a6 36. Rd8+ Kh7 37. Ne5 a5 38. Ra8 Rb5 39. Nc4
Rb4 40. Nxa5 Ra4 41. Kf1 g5 42. Ke2 f5 43. Ra6 Kg7 44. Kd3 Ra2 45. Ke3 f4+ 46.
Kf3 Ra3+ 47. Ke2 Ra2+ 48. Kf1 h5 49. Kg1 g4 50. hxg4 hxg4 51. Kf1 f3 52. gxf3
gxf3 53. Ra7+ Kf6 54. Ra6+ Kg5 55. Ra8 *
Position (FEN): R7/8/8/N5k1/8/5p2/r4P2/5K2 b - - 5 55
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 559
Best move: Ra1#