Chess puzzle (Checkmate)
Moves: 1. Nf3 d6 2. e4 e5 3. c3 Bg4 4. h3 Bh5 5. d3 Ne7 6. Nbd2 f6 7. Be2 Bf7 8. b3
Ng6 9. g3 Be7 10. Bb2 Nc6 11. Qc2 Qd7 12. Nc4 O-O 13. Ne3 a6 14. Nf5 Rae8 15.
O-O-O Bd8 16. c4 Nce7 17. Ne3 c6 18. h4 b5 19. h5 Nh8 20. Nh4 bxc4 21. dxc4 Bb6
22. Nhf5 Nxf5 23. Nxf5 Rc8 24. Bg4 Be6 25. Rxd6 Qe8 26. Nh6+ gxh6 27. Bxe6+ Kg7
28. Bxc8 Qxc8 29. Rhd1 Nf7 30. Rd7 Kg8 31. Qe2 Ng5 32. Qg4 Bxf2 33. Ba3 Be3+
34. Kb1 Re8 35. Be7 Rxe7 36. Rxe7 Qxg4 *
Position (FEN): 6k1/4R2p/p1p2p1p/4p1nP/2P1P1q1/1P2b1P1/P7/1K1R4 w - - 0 37
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 820
Best move: Rd8#