Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 c5 4. dxc5 Qa5 5. Bb5+ Nc6 6. cxd6 Bg4 7. Nf3 O-O-O
8. Qe2 exd6 9. Bg5 Nd4 10. Qc4+ Nc6 11. Bxc6 bxc6 12. Qxc6+ Qc7 13. Qxc7+ Kxc7
14. Bxf6 gxf6 15. Nd5+ Kb7 16. Nxf6 Bxf3 17. gxf3 Bg7 18. Nd5 Rc8 19. O-O-O
Bh6+ 20. Kb1 a5 21. Ne7 Rhd8 22. Nxc8 Kxc8 23. Rd5 Bf4 24. Rxa5 Kd7 25. Ra7+
Ke6 26. a4 Rb8 27. Rd1 Be5 28. b3 h5 29. Rd5 h4 30. h3 Rg8 31. a5 Rg1+ 32. Ka2
*
Position (FEN): 8/R4p2/3pk3/P2Rb3/4P2p/1P3P1P/K1P2P2/6r1 b - - 2 32
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 500
Best move: Ra1#