Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a4 a6 7. Be2 cxd4 8. cxd4
Nge7 9. O-O Nf5 10. Be3 Qxb2 11. Nc3 Qb6 12. Qd2 Bb4 13. Rfb1 Qa5 14. Rc1 O-O
15. Qc2 Bd7 16. Bd3 Bxc3 17. Qxc3 Qxc3 18. Rxc3 Nxe3 19. fxe3 Nb4 20. Bf1 Rfc8
21. Rb3 a5 22. Ne1 Rc7 23. Nd3 Nxd3 24. Bxd3 Rac8 25. Bb5 Kf8 26. Bxd7 Rxd7 27.
Rb5 Ra8 28. Rab1 Ra7 29. Kf2 f6 30. Rc1 fxe5 31. Rc8+ Kf7 32. dxe5 Kg6 33. Kf3
Rf7+ 34. Kg3 Kf5 35. e4+ Kxe4 36. Rc1 Kxe5 37. Re1+ Kf6 38. Rb6 Re7 39. Rf1+
Kg6 40. Kg4 Ra6 41. Rb3 Rc6 42. Kh3 Rc4 43. Rg3+ Kh6 44. Ra3 g5 45. g4 Kg6 46.
Rf8 d4 47. Rg8+ Kh6 48. Kg3 Rec7 49. Kg2 e5 *
Position (FEN): 6R1/1pr4p/7k/p3p1p1/P1rp2P1/R7/6KP/8 w - - 0 50
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1037
Best move: Rh3#