Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Bf4 c5 3. e3 cxd4 4. exd4 Nf6 5. Nf3 d5 6. c3 Nc6 7. Bd3 Bd6 8. Ne5
Qc7 9. Nxc6 bxc6 10. Bg3 Bxg3 11. hxg3 e5 12. dxe5 Qxe5+ 13. Qe2 Qxe2+ 14. Kxe2
O-O 15. f3 Re8+ 16. Kf2 h6 17. Nd2 c5 18. Rae1 Bd7 19. Bc2 a5 20. f4 Bc6 21.
Bf5 c4 22. Re5 g6 23. Bh3 Rab8 24. b3 Rxe5 25. fxe5 Ne4+ 26. Nxe4 dxe4 27. Rb1
Ba4 28. Ke3 cxb3 29. axb3 Bxb3 30. Ra1 a4 31. Kxe4 Re8 32. Kd4 Rd8+ 33. Kc5 Rd3
34. c4 Rc3 35. Kd6 Rxc4 36. e6 Rd4+ 37. Ke7 Re4 38. Kd7 fxe6 39. Ke7 Kg7 40.
Rf1 e5 41. Be6 Bxe6 42. Kxe6 a3 43. Rf7+ Kg8 44. Ra7 Re3 45. Kf6 g5 46. Kg6
Rxg3 *
Position (FEN): 6k1/R7/6Kp/4p1p1/8/p5r1/6P1/8 w - - 0 47
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1089
Best move: Ra8#