Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. Nc3 d6 5. Bc4 Be7 6. O-O O-O 7. d4 Be6 8.
Bxe6 fxe6 9. Bxf4 Nxe4 10. Nxe4 Rxf4 11. Qd3 Nc6 12. d5 exd5 13. Qxd5+ Kh8 14.
Nfg5 Rxf1+ 15. Rxf1 Bxg5 16. Nxg5 Ne5 17. Ne6 Qe7 18. Qxb7 Re8 19. Nxc7 Ng6 20.
Qxa7 Rc8 21. Nb5 Qxa7+ 22. Nxa7 Rxc2 23. Re1 h5 24. b4 Rxa2 25. Nc6 Ra6 26. b5
Rb6 27. Rb1 Kg8 28. Na7 Ne5 29. Nc8 Rb7 30. Nxd6 Rd7 31. b6 Rxd6 32. b7 Nc6 33.
Rb6 Rd7 34. b8=Q+ Nxb8 35. Rxb8+ Kf7 36. Rb5 g6 37. Kf2 Kf6 38. Kf3 Rd4 39. g3
Rd3+ 40. Ke4 Rd2 41. h4 Rg2 42. Rb6+ Kg7 43. Kf4 Rf2+ 44. Kg5 *
Position (FEN): 8/6k1/1R4p1/6Kp/7P/6P1/5r2/8 b - - 6 44
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 669
Best move: Rf5#