Chess puzzle (Checkmate)
Moves: 1. e4 Nc6 2. Nf3 d6 3. d4 Bg4 4. Bc4 Nf6 5. Nc3 e5 6. Be3 exd4 7. Bxd4 Be7 8.
Bxf6 Bxf6 9. h3 Bh5 10. g4 Bg6 11. Qd2 O-O 12. O-O-O a6 13. Nd5 b5 14. Bd3 Nd4
15. Nxf6+ Qxf6 16. Nxd4 Qxd4 17. f4 f6 18. f5 Bf7 19. Kb1 Qa4 20. a3 a5 21. g5
b4 22. gxf6 gxf6 23. Rhg1+ Kh8 24. Qh6 Ba2+ 25. Kxa2 Rf7 26. Bc4 Qe8 27. Bxf7
Qxf7+ 28. b3 a4 29. Rg2 axb3+ 30. cxb3 Rxa3+ 31. Kb2 Qxb3+ 32. Kc1 Qc3+ 33. Rc2
*
Position (FEN): 7k/2p4p/3p1p1Q/5P2/1p2P3/r1q4P/2R5/2KR4 b - - 3 33
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1169
Best move: Ra1#