Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. h3 h6 6. a3 O-O 7. Nc3 d6 8. O-O
Qe7 9. Rb1 a6 10. b4 Ba7 11. Nd5 Nxd5 12. Bxd5 Bd7 13. a4 Kh8 14. Ba3 f5 15. b5
axb5 16. axb5 Nd4 17. Nxd4 Bxd4 18. Bc1 Rab8 19. Qd2 fxe4 20. Bxe4 Qf7 21. c3
Bc5 22. d4 exd4 23. cxd4 Bb6 24. Qd3 Bf5 25. Bxf5 Qxf5 26. Qxf5 Rxf5 27. Be3
Rbf8 28. g4 Rd5 29. Rfd1 Ra8 30. Kg2 Ra5 31. Rdc1 Raxb5 32. Rxb5 Rxb5 33. Kf3
Rb4 34. Ke4 Kg8 35. Kd5 Kf7 36. Re1 g5 37. Rd1 Ke7 38. Re1 c6+ 39. Ke4 d5+ 40.
Kf5 Kf7 41. Ke5 Ke7 42. Kf5 Kf7 43. Ke5 Bc7+ 44. Kf5 b6 45. Rc1 Rc4 46. Ra1 Bb8
47. Ra8 Bf4 48. Ra7+ Ke8 49. Ke6 Bxe3 *
Position (FEN): 4k3/R7/1pp1K2p/3p2p1/2rP2P1/4b2P/5P2/8 w - - 0 50
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1308
Best move: Ra8#