Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qc4 Nf6 5. Nc3 Be7 6. Nf3 O-O 7. Bf4 Bb4 8.
O-O-O d6 9. Bg5 h6 10. Bh4 g5 11. Bg3 Re8 12. e5 dxe5 13. Rxd8 Rxd8 14. Bxe5
Ng4 15. Bxc7 Rd7 16. Bg3 Ba5 17. h3 Nf6 18. Ne5 Nxe5 19. Bxe5 Re7 20. Bxf6 Re1+
21. Kd2 Bxc3+ 22. Bxc3 Re8 23. Qd4 Kf8 24. Qg7+ Ke7 25. Bf6+ Ke6 26. Bc4+ Kd6
27. Qxf7 Bd7 28. Qd5+ Kc7 29. Be5+ Kb6 30. Qb5+ Bxb5 31. Bxb5 Rxe5 32. Bd3 Rd8
33. a3 Rb5 34. b3 Rf5 35. f3 Rf4 36. a4 a5 37. Kc1 Rfd4 38. Re1 Kc5 39. Re6 h5
40. Be4 b5 41. Re5+ Kb4 42. Rxb5+ Kc3 43. Rc5+ Kb4 44. Rxg5 h4 45. Kb2 Rd2 46.
Rg4 Rf2 47. Bd3+ Kc5 48. Rxh4 Rxd3 49. Rh5+ Kb4 *
Position (FEN): 8/8/8/p6R/Pk6/1P1r1P1P/1KP2rP1/8 w - - 2 50
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1244
Best move: Rb5#