Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 Nc6 5. Bd3 Bg4 6. h3 Bh5 7. O-O a6 8. Be2
e6 9. Ne5 Bd6 10. Bxh5 Bxe5 11. Bxe5 Nxe5 12. dxe5 Nxh5 13. Qxh5 O-O 14. Nc3 c5
15. Rad1 Rc8 16. Ne2 g6 17. Qg4 Qc7 18. Ng3 Qxe5 19. c3 f5 20. Qf4 Qf6 21. Ne2
b5 22. Qg3 Rcd8 23. Nf4 e5 24. Nh5 Qf7 25. Qxe5 gxh5 26. Rd2 Rfe8 27. Qg3+ Kh8
28. Rfd1 Rg8 29. Qe5+ Qg7 30. Qxg7+ Rxg7 31. Rxd5 Rdg8 32. g3 h4 33. Rd8 hxg3
34. fxg3 Rxg3+ 35. Kf2 Rg2+ 36. Kf3 Rg3+ 37. Kf4 Rxh3 38. Kxf5 Rh5+ 39. Kf6 Rh3
40. Rxg8+ Kxg8 *
Position (FEN): 6k1/7p/p4K2/1pp5/8/2P1P2r/PP6/3R4 w - - 0 41
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 889
Best move: Rd8#