Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. c3 Nf6 3. d4 cxd4 4. cxd4 Nxe4 5. d5 Nf6 6. Nc3 a6 7. Bg5 b5 8.
Bxf6 gxf6 9. Nf3 e6 10. dxe6 fxe6 11. a3 Nc6 12. Be2 Bb7 13. O-O Rg8 14. Qd2
Ne5 15. Qe3 Nxf3+ 16. Bxf3 Bxf3 17. Qxf3 Rc8 18. Qh5+ Ke7 19. Qxh7+ Rg7 20. Qh4
Kf7 21. Qh5+ Ke7 22. Ne4 d5 23. Ng3 Qc7 24. Qe2 Kd7 25. Rfe1 Re8 26. a4 b4 27.
Qxa6 Bd6 28. Qb5+ Kd8 29. a5 Rh7 30. a6 Bc5 31. b3 Reh8 32. h3 Qxg3 33. Qa5+
Qc7 34. Qxc7+ Kxc7 35. a7 Ra8 36. Rxe6 Bd4 37. Raa6 Kb7 38. Rad6 Rxa7 39. Rxd5
Be5 40. Rb5+ Kc8 41. Rxb4 *
Position (FEN): 2k5/r6r/4Rp2/4b3/1R6/1P5P/5PP1/6K1 b - - 0 41
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 677
Best move: Ra1#