Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. f3 c5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. e5 Ng8 8. c3
Nc6 9. Ne2 f6 10. f4 fxe5 11. fxe5 cxd4 12. cxd4 Be7 13. O-O Nh6 14. Nf4 O-O-O
15. a3 Nf5 16. Nf3 Rdg8 17. b4 b6 18. b5 Ncxd4 19. Nxd4 Nxd4 20. a4 Bc5 21. Kh1
h5 22. Bb2 Nf5 23. Rc1 Kb8 24. a5 g5 25. Nd3 Ne3 26. Nxc5 bxc5 27. Qd3 Nxf1 28.
Qxf1 Rc8 29. Ba3 c4 30. Bd6+ Ka8 31. Rb1 c3 32. b6 axb6 33. axb6 Kb7 34. Bc7 d4
35. Qd3 Rhf8 36. Rc1 g4 37. Kg1 h4 38. Rxc3 Qa4 39. Ra3 Qe8 40. Qe4+ Qc6 *
Position (FEN): 2r2r2/1kB5/1Pq1p3/4P3/3pQ1pp/R7/6PP/6K1 w - - 5 41
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1050
Best move: Ra7#