Chess puzzle (Checkmate)
Moves: 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 bxc6 6. Nc3 Bg7 7. g3 Bxc3+
8. bxc3 Qa5 9. Qc2 h5 10. Bg2 h4 11. O-O Ba6 12. Qb3 Qc5 13. Rb1 Rd8 14. Be3
Qxc4 15. Bxa7 Nf6 16. Rfe1 hxg3 17. hxg3 O-O 18. Qxc4 Bxc4 19. Rb2 Ra8 20. Bd4
Rxa2 21. Rxa2 Bxa2 22. Bxf6 exf6 23. Ra1 Be6 24. f4 f5 25. Kf2 Rb8 26. Bf3 Kf8
27. Ke3 Ke7 28. Ra7 Kd6 29. Kd4 Rb2 30. Kd3 Kc5 31. Ra5+ Kb6 32. Re5 d5 33. Re3
c5 34. Re5 Kc6 35. c4 Rb3+ 36. Kc2 Rxf3 37. cxd5+ Bxd5 38. exf3 Bxf3 39. Kc3
Bd5 40. Re7 Be6 41. Ra7 Kd5 42. Kd3 c4+ 43. Ke3 Kc5 44. Rc7+ Kb4 45. Kd4 Kb3
46. Rb7+ Kc2 47. Rc7 Kd2 48. Ke5 Ke3 49. g4 fxg4 50. f5 gxf5 51. Ra7 g3 52.
Ra3+ Kf2 53. Kf4 g2 54. Ra2+ Kf1 55. Kf3 c3 *
Position (FEN): 8/5p2/4b3/5p2/8/2p2K2/R5p1/5k2 w - - 0 56
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1554
Best move: Ra1#