Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 h6 6. Be3 Bb6 7. c3 d6 8. O-O
O-O 9. Nh4 Na5 10. Bb5 c6 11. Ba4 c5 12. Nf3 Be6 13. b4 cxb4 14. cxb4 Nc6 15.
Bxb6 Qxb6 16. a3 a5 17. b5 Nd4 18. Nbd2 Rac8 19. Nxd4 Qxd4 20. Bb3 Qxd3 21.
Bxe6 fxe6 22. a4 Nxe4 23. Nxe4 Qxe4 24. Qxd6 Qd5 25. Rad1 Qxd6 26. Rxd6 Rf6 27.
Rd7 Rc4 28. Rxb7 Rxa4 29. Rc1 Rb4 30. b6 a4 31. f3 a3 32. Ra1 Rb3 33. Rb8+ Kf7
34. b7 Kg6 35. Ra8 Rxb7 36. R8xa3 Rb4 37. Re1 Kf5 38. Ra5 g5 39. Raxe5+ Kg6 40.
Rxe6 Rxe6 41. Rxe6+ Kg7 42. h3 Rb2 43. Rc6 Ra2 44. Kh2 Rb2 45. Kg3 Rb3 46. Kg4
Rb4+ 47. Kh5 *
Position (FEN): 8/6k1/2R4p/6pK/1r6/5P1P/6P1/8 b - - 10 47
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 505
Best move: Rh4#