Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 b6 6. Bc4 Bc5 7. Qd5 Qf6 8.
O-O c6 9. Qd3 Ne7 10. Nc3 O-O 11. Be3 d6 12. Rad1 Qg6 13. Bxc5 dxc5 14. f4 b5
15. Nxb5 cxb5 16. Bxb5 Rb8 17. Qd8 Ba6 18. Qxe7 Bxb5 19. Rd6 Rfe8 20. Qc7 Rbc8
21. Qxc8 Rxc8 22. Rxg6 Bxf1 23. Rd6 h6 24. Kxf1 Rb8 25. b3 Kf8 26. Rc6 Rb5 27.
Rc7 Rb4 28. Rxc5 Rxe4 29. g3 Rd4 30. a4 Rd2 31. Kg1 Ke7 32. c4 Ke6 33. b4 f5
34. Rc6+ Kf7 35. Rc7+ Kg6 36. Rxa7 Kh5 37. Rxg7 Rd4 38. Rc7 Kg4 39. a5 Kf3 40.
h4 Kxg3 41. a6 *
Position (FEN): 8/2R5/P6p/5p2/1PPr1P1P/6k1/8/6K1 b - - 0 41
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 686
Best move: Rd1#