Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. Nc3 Nf6 7. d3 e6 8.
Bg5 Be7 9. Qe2 h6 10. Bh4 g5 11. Bg3 Nh5 12. e5 Nxg3 13. fxg3 O-O-O 14. exd6
Bxd6 15. Ne4 f5 16. Nxd6+ Qxd6 17. Rad1 Nd4 18. Nxd4 Qxd4+ 19. Rf2 Rde8 20. c3
Qg7 21. d4 cxd4 22. Rxd4 h5 23. Qc4+ Kb8 24. Re2 e5 25. Rd5 h4 26. gxh4 Rxh4
27. Qc5 Qh8 28. h3 g4 29. Rdxe5 Rc8 30. Qd6+ Ka8 31. Rxf5 gxh3 32. g3 Rg4 33.
Kh2 Rcg8 34. Rf3 R4g6 35. Qe5 Qh7 36. Ref2 Qg7 37. Qxg7 R6xg7 38. Rf8+ Rxf8 *
Position (FEN): k4r2/pp4r1/8/8/8/2P3Pp/PP3R1K/8 w - - 0 39
White to move.
Themes:  Endgame, Rook Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 490
Best move: Rxf8#