Chess puzzle (Checkmate)
Moves: 1. d4 h6 2. e4 g6 3. Nf3 e6 4. Nc3 a6 5. Bc4 Bg7 6. O-O b6 7. e5 Bb7 8. Re1 Nc6
9. a3 f6 10. exf6 Nxf6 11. Bd3 Qe7 12. Bxg6+ Kd8 13. Ne5 Nxe5 14. dxe5 Ne8 15.
Qd3 Kc8 16. Bf4 Rg8 17. f3 Kb8 18. Rad1 Bc6 19. Be4 Ka7 20. b4 d6 21. Bxc6 Rd8
22. Qe2 d5 23. b5 a5 24. a4 Qc5+ 25. Qf2 Qxc3 26. Qd2 Qa3 27. Ra1 Qc5+ 28. Be3
Qe7 29. Bd4 Bh8 30. Qxh6 Ng7 31. Qf6 Qb4 32. Qf4 Nf5 33. Be3 Nxe3 34. Qxe3 Qh4
35. Qf2 Qg5 36. g3 Bxe5 37. Qe3 Qxe3+ 38. Rxe3 Bxa1 39. Rxe6 Rdf8 40. f4 Rxf4
41. Re7 Kb8 42. Bxd5 Rxa4 43. Bxg8 Rb4 44. Re8+ Ka7 45. h4 Rxb5 46. h5 Rxh5 47.
g4 Rg5 48. Be6 Re5 49. Kg2 a4 50. Kf3 a3 51. Kf4 Re1 52. Kf5 a2 53. Rd8 Bc3 54.
Bxa2 Re2 55. Bd5 Rxc2 *
Position (FEN): 3R4/k1p5/1p6/3B1K2/6P1/2b5/2r5/8 w - - 0 56
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 845
Best move: Ra8#