Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. Nc3 Nf6 6. Be3 Bb6 7. O-O d6 8. h3
O-O 9. Nd5 Be6 10. Nh2 Bxd5 11. Bxd5 Nxd5 12. exd5 Ne7 13. c4 Nf5 14. Bxb6 axb6
15. a3 Qd7 16. f4 exf4 17. Rxf4 Ne7 18. Qf3 b5 19. Rf1 Qe8 20. Ng4 f6 21. Qg3
Qg6 22. R4f3 bxc4 23. dxc4 h5 24. Ne3 Qxg3 25. Rxg3 Ra6 26. Nd1 Ra4 27. Rf4 g5
28. Re4 Nf5 29. Rf3 Nh4 30. Rg3 Kg7 31. Rxh4 Kg6 32. Re4 b5 33. Nc3 Rxc4 34.
Rxc4 bxc4 35. Re3 Rb8 36. Re7 Rxb2 37. Rxc7 Rb3 38. Ne4 Rxa3 39. Rxc4 Ra5 40.
Nxd6 Rxd5 41. Rc6 g4 42. hxg4 hxg4 43. Ne4 Kf5 44. Nxf6 g3 45. Ng8 *
Position (FEN): 6N1/8/2R5/3r1k2/8/6p1/6P1/6K1 b - - 1 45
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 400
Best move: Rd1#