Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Qb6 8. O-O
Nxd4 9. Nbd2 Nc6 10. Nb3 Qc7 11. Qe2 Nge7 12. Bd2 Ng6 13. Rfe1 Bb4 14. Bxb4
Nxb4 15. Rac1 Qb6 16. Bb1 Bb5 17. Qd2 Nc6 18. h4 Bc4 19. h5 Nge7 20. Nbd4 h6
21. b3 Ba6 22. a4 Nxd4 23. Nxd4 Nc6 24. Nxc6 bxc6 25. Qc3 Bb7 26. Qg3 Kf8 27.
Re3 c5 28. Qf4 c4 29. bxc4 dxc4 30. Bg6 Qc7 31. Rxc4 Qd7 32. Rec3 Kg8 33. Bxf7+
Qxf7 34. Qxf7+ Kxf7 35. Rc7+ Kg8 36. Rxb7 Kh7 37. Rcc7 Rhg8 38. Rxa7 Rxa7 39.
Rxa7 Rf8 40. Re7 Rf5 41. Rxe6 Rxh5 42. a5 Rh4 43. a6 Ra4 44. Rb6 g5 45. Kh2 h5
46. Rb7+ Kg6 47. a7 Kf5 48. Re7 Ra3 49. f3 h4 50. Kh3 Ra1 51. Rg7 *
Position (FEN): 8/P5R1/8/4Pkp1/7p/5P1K/6P1/r7 b - - 3 51
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1021
Best move: Rh1#