Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ Bd7 7. Bxd7+ Nxd7
8. d3 g6 9. Qf3 Nf6 10. Nc3 Bg7 11. O-O O-O 12. Re1 Qd6 13. Nb5 Qb4 14. Nc3
Rad8 15. a3 Qd6 16. b4 Nxd5 17. Nxd5 e4 18. Rxe4 Bxa1 19. Qh3 h5 20. Ne3 Nc6
21. Nf5 gxf5 22. Qxh5 Qg6 23. Qxg6+ fxg6 24. Rh4 Rd7 25. Be3 Bf6 26. f4 Bxg5
27. fxg5 Kg7 28. b5 Re7 29. Bf2 Re2 30. g3 Rxc2 31. bxc6 Rxc6 32. Bxa7 b6 33.
Rd4 Ra8 34. Rd7+ Kf8 35. Bxb6 cxb6 36. Kf2 Rxa3 37. Ke3 b5 38. h3 b4 39. Rb7
Rb3 40. g4 Rcc3 41. gxf5 gxf5 42. g6 Rxd3+ 43. Kf4 Rf3+ 44. Kg5 Rxh3 45. Kf6
Rh6 *
Position (FEN): 5k2/1R6/5KPr/5p2/1p6/1r6/8/8 w - - 2 46
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1250
Best move: Rb8#