Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 d6 3. fxe5 dxe5 4. Nf3 Nc6 5. Bc4 Bg4 6. O-O Nf6 7. d3 Bc5+ 8.
Kh1 O-O 9. Bg5 h6 10. Bh4 Nd4 11. Nbd2 Qd6 12. c3 Ne6 13. Qe1 Qb6 14. Bxf6 gxf6
15. b4 Be3 16. g3 Ng5 17. Nh4 Nh3 18. Kg2 Bg5 19. Nf5 Kh7 20. Nf3 Rad8 21.
Nxg5+ Nxg5 22. Qf2 Qxf2+ 23. Rxf2 c6 24. a4 a6 25. b5 Ne6 26. Rb1 cxb5 27. axb5
a5 28. b6 Nc5 29. Ne3 Be6 30. Nd5 Bxd5 31. Bxd5 Rd6 32. d4 exd4 33. cxd4 Nd3
34. Rc2 Nb4 35. Rc7 Nxd5 36. exd5 Rxd5 37. Rxb7 Rxd4 38. Rc7 Rb4 39. Rxb4 axb4
40. b7 Rb8 41. Rxf7+ Kg6 42. Rc7 b3 43. Rc1 b2 44. Rb1 Rxb7 45. Kf3 Kg5 46. h4+
Kg6 47. g4 h5 48. gxh5+ Kxh5 49. Kf4 Kxh4 *
Position (FEN): 8/1r6/5p2/8/5K1k/8/1p6/1R6 w - - 0 50
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 999
Best move: Rh1#