Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. dxe5 Nxe5 5. Nxe5 dxe5 6. Qxd8+ Kxd8 7. Nc3 Bd6
8. Bc4 f6 9. O-O Bd7 10. a3 a6 11. Be3 b5 12. Bf7 Nh6 13. Bxh6 gxh6 14. Rad1
Ke7 15. Bd5 Raf8 16. Bb7 f5 17. Nd5+ Ke6 18. Bxa6 fxe4 19. c4 bxc4 20. Bxc4 Kf5
21. Nxc7 Bxc7 22. Rxd7 Bb6 23. Rf7+ Rxf7 24. Bxf7 Rf8 25. Bb3 Kg5 26. Bc4 e3
27. f4+ exf4 28. Be2 Rd8 29. Rf3 Rd2 30. Kf1 Rxb2 31. g3 Rb1+ 32. Kg2 Re1 33.
gxf4+ Kf5 34. Bd3+ Kf6 35. Rh3 Kg7 36. Rg3+ Kf6 37. Rh3 Kg7 38. Rg3+ Kh8 39.
Bc4 e2 *
Position (FEN): 7k/7p/1b5p/8/2B2P2/P5R1/4p1KP/4r3 w - - 0 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 802
Best move: Rg8#