Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Be6 8.
Bg5 Nc6 9. O-O-O O-O-O 10. d4 d5 11. Qb5 Qb4 12. Bxf6 gxf6 13. Qxb4 Bxb4 14. a3
Bf8 15. g3 Bg4 16. Bg2 Bg7 17. h3 Bh5 18. g4 Bg6 19. Nh4 Be4 20. Nxe4 dxe4 21.
Nf5 Bf8 22. Bxe4 Ne7 23. Nxe7+ Bxe7 24. c4 h5 25. Rhe1 Bd6 26. Kc2 hxg4 27.
Bf5+ Kb8 28. Bxg4 b6 29. Re4 Rh4 30. Rde1 Kb7 31. b4 c5 32. dxc5 bxc5 33. b5
Be5 34. f4 Bd6 35. Bf3 Kb6 36. a4 Bxf4 37. a5+ Kxa5 38. Ra1+ Kb6 39. Ra6+ Kc7
40. Re7+ Kc8 41. Bd5 Rd7 42. Rxa7 Rxa7 43. Rxa7 Rxh3 44. b6 Kb8 45. Rxf7 Be5
46. b7 Rh2+ 47. Kd3 Rb2 48. Ke4 Ka7 49. Kf5 Rb6 50. b8=Q+ Kxb8 51. Rf8+ Ka7 *
Position (FEN): 5R2/k7/1r3p2/2pBbK2/2P5/8/8/8 w - - 2 52
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 700
Best move: Ra8#