Chess puzzle (Checkmate)
Moves: 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 e6 5. Be3 Ne7 6. a3 a6 7. Nc3 b5 8. Ba2 Bb7
9. O-O Nd7 10. Qd2 c5 11. dxc5 Nxc5 12. Bxc5 dxc5 13. Rad1 Qxd2 14. Rxd2 O-O
15. Rfd1 Bxc3 16. bxc3 Bxe4 17. Ne5 c4 18. a4 h5 19. f3 Bd5 20. g4 hxg4 21.
fxg4 Rfd8 22. Rf2 Rf8 23. h4 Ra7 24. h5 Kg7 25. Rdf1 Ng8 26. hxg6 f6 27. Nf3
Kxg6 28. g5 Rg7 29. Rh2 Kf7 30. axb5 axb5 31. Nd4 Ke7 32. Nxb5 Rxg5+ 33. Kf2
Rf5+ 34. Ke1 Rxf1+ 35. Kxf1 Ra8 36. Rh7+ Kf8 37. Nd6 e5 38. Bxc4 Bxc4+ 39. Nxc4
Rc8 40. Nd6 Rxc3 *
Position (FEN): 5kn1/7R/3N1p2/4p3/8/2r5/2P5/5K2 w - - 0 41
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 544
Best move: Rf7#