Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Nf6 5. d3 e6 6. Nc3 d5 7. exd5 exd5 8. Bb5
Bd7 9. O-O a6 10. Bxc6 Bxc6 11. Ne5 Qc7 12. Nxc6 Qxc6 13. Re1+ Be7 14. Qe2 O-O
15. Bd2 Rfe8 16. Qf2 Bd6 17. g3 d4 18. Ne2 Re7 19. c3 Qb5 20. cxd4 cxd4 21.
Nxd4 Qxb2 22. Nf5 Rxe1+ 23. Rxe1 Bc7 24. Re7 Bb6 25. Be3 Bxe3 26. Qxe3 h6 27.
Qe2 Qb5 28. Nd6 Qc5+ 29. Qe3 Qxd6 30. Rxb7 Rd8 31. Rb6 Qxd3 32. Qxd3 Rxd3 33.
Rxa6 Ne4 34. Kg2 Rd2+ 35. Kf3 Nf6 36. h4 Rd3+ 37. Kf2 Ng4+ 38. Kg2 Ne3+ 39. Kf2
Nc2 40. a4 Ra3 41. g4 Nd4 42. g5 Ne6 43. g6 Nxf4 *
Position (FEN): 6k1/5pp1/R5Pp/8/P4n1P/r7/5K2/8 w - - 0 44
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 400
Best move: Ra8#