Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. b3 Rc8 7. Bb2 cxd4 8. cxd4
Qa5+ 9. Bc3 Bb4 10. Qd2 Bxc3 11. Nxc3 Nb4 12. Rc1 Ne7 13. Be2 O-O 14. O-O Nf5
15. a4 a6 16. g4 Nh6 17. Ne1 Qd8 18. Ng2 f6 19. exf6 Rxf6 20. g5 Rg6 21. gxh6
Rxh6 22. Nd1 Nc6 23. Nde3 Qc7 24. f4 Rf8 25. Ng4 Rh3 26. Ne5 Rf6 27. Rf3 Rfh6
28. Rxh3 Rxh3 29. Rc3 Rh6 30. Ne3 Qd8 31. Ng2 Nxe5 32. fxe5 Qf8 33. Rf3 Qa3 34.
Qf4 Be8 35. Bd3 Bg6 36. h4 Bxd3 37. Qf7+ Kh8 38. Qf8+ Qxf8 *
Position (FEN): 5q1k/1p4pp/p3p2r/3pP3/P2P3P/1P1b1R2/6N1/6K1 w - - 0 39
White to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 399
Best move: Rxf8#