Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 e6 3. e3 Bd7 4. Bd3 c5 5. c3 Nc6 6. Nf3 cxd4 7. exd4 Nf6 8.
Nbd2 Qb6 9. Qb3 Qxb3 10. axb3 a6 11. Ne5 Be7 12. O-O Rc8 13. Ndf3 h6 14. b4 O-O
15. h3 Rfd8 16. Rfe1 Nh7 17. Nxd7 Rxd7 18. Ne5 Nxe5 19. Bxe5 Nf6 20. Re3 Bd6
21. f4 Bxe5 22. fxe5 Nh7 23. Rf3 Rdc7 24. Kf2 Ng5 25. Rg3 Kh8 26. Ke3 Nh7 27.
Bxh7 Kxh7 28. Rf1 Rf8 29. h4 f6 30. Rgf3 Rcf7 31. exf6 gxf6 32. Kf4 Rg7 33. g4
Rfg8 34. Rg1 Rf7 35. Rfg3 b5 36. Ke3 e5 37. g5 hxg5 38. hxg5 exd4+ 39. Kxd4
fxg5 40. Rxg5 Rxg5 41. Rxg5 Rf2 42. Rxd5 Rxb2 43. c4 Rxb4 44. Rd7+ Kg6 45. Rd6+
Kf7 46. Rxa6 Rxc4+ 47. Kd5 Rf4 48. Ke5 Rh4 49. Kf5 Ke8 50. Ke6 b4 *
Position (FEN): 4k3/8/R3K3/8/1p5r/8/8/8 w - - 0 51
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 756
Best move: Ra8#