Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nc3 e6 3. e4 Nc6 4. Nf3 Nf6 5. e5 Ne4 6. Bd3 Bb4 7. O-O Nxc3 8.
bxc3 Bxc3 9. Ba3 a5 10. Bb5 Bd7 11. Bxc6 Bxc6 12. Rb1 Bb4 13. Bxb4 axb4 14. Rb2
Qe7 15. Qd2 O-O 16. Rfb1 Ra4 17. Ne1 Rfa8 18. Ra1 Bb5 19. Nd3 Bxd3 20. Qxd3 h6
21. Qb5 c6 22. Qd3 b6 23. c3 bxc3 24. Qxc3 c5 25. Rxb6 Rxd4 26. a4 Qc7 27. a5
Qxe5 28. Qb2 Rxa5 29. Rb8+ Kh7 30. Qb1+ Qe4 31. Rxa5 Qxb1+ 32. Rxb1 c4 33. Rc5
Kg6 34. Kf1 Kf6 35. Ke2 Re4+ 36. Kd2 Ke5 37. f3 Rh4 38. h3 f5 39. Rc7 g5 40.
Ke3 g4 41. f4+ Kd6 42. Rcb7 gxh3 43. g3 Rg4 44. Kd4 e5+ 45. Kc3 exf4 46. R1b6+
Ke5 *
Position (FEN): 8/1R6/1R5p/3pkp2/2p2pr1/2K3Pp/8/8 w - - 2 47
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 729
Best move: Re7#