Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. Bf4 e6 3. e3 Nc6 4. Nf3 d6 5. Bb5 Bd7 6. Nbd2 Qe7 7. Bg5 Nf6 8.
Bxc6 Bxc6 9. c3 h6 10. Bf4 g5 11. Bg3 O-O-O 12. a4 f4 13. exf4 gxf4 14. Bxf4 e5
15. dxe5 dxe5 16. Bxe5 Ng4 17. Nc4 Bxf3 18. Qxf3 Nxe5 19. Nxe5 Qxe5+ 20. Kf1
Kb8 21. Re1 Qd6 22. g3 Bg7 23. Kg2 Rdf8 24. Qg4 Qd5+ 25. Kh3 h5 26. Qxg7 Qf5+
27. Kg2 Qxf2+ 28. Kh3 Rhg8 29. Qe5 h4 30. Rhf1 Qc5 31. Qxc5 hxg3 32. Rf7 Rxf7
33. Qd5 Rh7+ 34. Kg2 Rxh2+ 35. Kg1 Rgh8 36. b4 Rh1+ 37. Qxh1 Rg8 38. Qd5 Rh8
39. Qe5 Rg8 40. Qe8+ Rxe8 *
Position (FEN): 1k2r3/ppp5/8/8/PP6/2P3p1/8/4R1K1 w - - 0 41
White to move.
Themes:  Endgame, Rook Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 608
Best move: Rxe8#