Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. e5 Ne8 6. Nf3 d6 7. Bf4 dxe5 8. dxe5
Qxd1+ 9. Rxd1 Nc6 10. Be2 f6 11. exf6 exf6 12. O-O f5 13. c5 Nf6 14. Bb5 Ne7
15. Bxc7 Nc6 16. Bxc6 bxc6 17. Rd2 Ba6 18. Rfd1 Rfe8 19. h3 Rac8 20. Ba5 Bc4
21. a3 Bb3 22. Re1 Rxe1+ 23. Nxe1 Bh6 24. Rd6 Bg7 25. Nf3 Bd5 26. Nxd5 Nxd5 27.
b4 Bb2 28. a4 Ba3 29. Nd4 Nxb4 30. Bxb4 Bxb4 31. Nxc6 Bxc5 32. Rd7 Rxc6 33. g3
Ra6 34. Rd5 Bf8 35. a5 Bb4 36. Rd8+ Kg7 37. Rd7+ Kh6 38. h4 Bxa5 39. Kg2 Bb6
40. Rd2 Ra1 41. Re2 a5 42. f3 a4 43. g4 a3 44. g5+ Kh5 45. f4 Kg4 46. Re7 Kxh4
47. Rxh7+ Kg4 48. Rg7 Kxf4 49. Rxg6 Bd4 50. Rd6 Kxg5 51. Rxd4 a2 52. Ra4 f4 53.
Ra5+ Kg4 54. Kf2 Kh3 55. Ra3+ Kh2 56. Ra4 f3 *
Position (FEN): 8/8/8/8/R7/5p2/p4K1k/r7 w - - 0 57
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 858
Best move: Rh4#