Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O O-O 6. c3 d6 7. a4 a5 8. Re1
Ng4 9. d4 exd4 10. cxd4 Bb4 11. Bd2 Bxd2 12. Nbxd2 Qf6 13. h3 Nh6 14. Qb3 Nxd4
15. Nxd4 Qxd4 16. Nf3 Qf6 17. Rac1 Be6 18. Qxb7 Bxc4 19. Rxc4 c5 20. e5 dxe5
21. Rxe5 Rab8 22. Qd7 Rfd8 23. Rce4 Qxe5 24. Qxd8+ Rxd8 25. Rxe5 Rc8 26. Nd2 f6
27. Rd5 Nf7 28. Nc4 Ng5 29. Nxa5 c4 30. Rd4 c3 31. bxc3 Rxc3 32. Nc4 Ne6 33.
Re4 Nc5 34. Re8+ Kf7 35. Nd6+ Kg6 36. a5 Ra3 37. Ra8 Ne6 38. a6 Nc7 39. Ra7
Rxa6 40. Rxc7 Rxd6 41. Kh2 Rd2 42. Kg3 Kh6 43. f4 Rd3+ 44. Kg4 g6 45. h4 *
Position (FEN): 8/2R4p/5ppk/8/5PKP/3r4/6P1/8 b - - 0 45
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 908
Best move: f5#