Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O Nc6 5. d3 e5 6. c4 Be7 7. Bg5 Be6 8. cxd5
Nxd5 9. Bxe7 Qxe7 10. Nc3 Rd8 11. Nxd5 Bxd5 12. Qa4 O-O 13. Rac1 Qd6 14. a3 b6
15. b4 cxb4 16. axb4 Qxb4 17. Qxb4 Nxb4 18. Nxe5 Bxg2 19. Kxg2 Rfe8 20. d4 f6
21. Nc6 Nxc6 22. Rxc6 Rxe2 23. Rc7 Rd2 24. Re1 Kh8 25. Ree7 Rg8 26. Rxa7 Rxd4
27. Reb7 Rb4 28. Ra6 Rb2 29. Raxb6 Rxb6 30. Rxb6 h6 31. h4 Rd8 32. g4 Rd4 33.
Kg3 Kh7 34. f3 Rc4 35. Rb7 Ra4 36. Rb5 Rc4 37. Rd5 Rb4 38. Rd3 h5 39. gxh5 Rb5
40. Kg4 Rb4+ 41. f4 Rb5 42. Rd7 Kh6 43. Rd8 Kh7 44. Re8 Rc5 45. Re7 Kh6 46. Ra7
f5+ 47. Kg3 Rc3+ 48. Kg2 Rc2+ 49. Kf3 Rc3+ 50. Kf2 Rh3 51. Ra8 Rxh4 *
Position (FEN): R7/6p1/7k/5p1P/5P1r/8/5K2/8 w - - 0 52
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 524
Best move: Rh8#