Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 Nf6 6. O-O Be7 7. Nc3 O-O 8.
h3 Re8 9. Re1 Nc6 10. Ne4 Ne5 11. Nxe5 dxe5 12. Nxf6+ Bxf6 13. Be4 c6 14. b3
Be6 15. Bb2 Bd5 16. Qf3 g6 17. c4 Bxe4 18. Qxe4 Qxd2 19. Ba3 Qd4 20. Qxd4 exd4
21. Rxe8+ Rxe8 22. Rd1 Re2 23. Bc5 Rxa2 24. Bxd4 Bxd4 25. Rxd4 Rb2 26. Rd3 Kg7
27. Kh2 Kf6 28. f3 b5 29. Rd6+ Kg7 30. Rxc6 Rxb3 31. cxb5 Rxb5 32. Rc7 a5 33.
Ra7 h5 34. g4 h4 35. Kg2 Kf6 36. Kf2 g5 37. Ke3 Ke6 38. Ra6+ Ke5 39. Ra7 f6 40.
Re7+ Kd5 41. Rf7 Rb6 42. Ra7 Rb5 43. Rf7 Ke6 44. Ra7 f5 45. Ra6+ Ke5 46. gxf5
Kxf5 47. Rh6 Rb3+ 48. Kf2 a4 49. Ra6 Rb4 50. Ra5+ Kf4 51. Ra6 Rb2+ 52. Kg1 Kg3
53. Rxa4 *
Position (FEN): 8/8/8/6p1/R6p/5PkP/1r6/6K1 b - - 0 53
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1222
Best move: Rb1#