Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. e3 Nf6 3. d4 Bg4 4. Bd3 Nc6 5. O-O Nb4 6. Bb5+ c6 7. Ba4 a5 8. c3
b5 9. cxb4 bxa4 10. Qxa4 Qc7 11. Ne5 Be2 12. Nxc6 Bxf1 13. Nxa5+ Nd7 14. Nc3
Bc4 15. b3 Bd3 16. Nxd5 Qd8 17. Bb2 e6 18. Nf4 Bf5 19. Rc1 Bd6 20. Ne2 O-O 21.
Ng3 Nb6 22. Qb5 Nd7 23. Nxf5 exf5 24. Qxf5 Nf6 25. a3 Bc7 26. Nc6 Qd6 27. Ne5
g6 28. Qg5 Ne4 29. Qh4 Nf6 30. d5 Nxd5 31. Ng4 h5 32. Rxc7 Qxc7 33. Nf6+ Nxf6
34. Qxf6 Qc1+ 35. Bxc1 Rfd8 36. Qb2 *
Position (FEN): r2r2k1/5p2/6p1/7p/1P6/PP2P3/1Q3PPP/2B3K1 b - - 2 36
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 481
Best move: Rd1#