Chess puzzle (Checkmate)
Moves: 1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nc2 Nf6 7. g3 O-O 8.
Bg2 b6 9. O-O Bb7 10. Qd2 Qc7 11. b3 Ne5 12. Bxb7 Qxb7 13. Bb2 d6 14. Rac1 Ne4
15. Nxe4 Qxe4 16. Ne3 Rac8 17. Rfd1 Bh6 18. f4 Nd7 19. Ng4 Bg7 20. Bxg7 Kxg7
21. Nf2 Qe6 22. e4 Nc5 23. Qd4+ Qf6 24. Qxf6+ Kxf6 25. Kg2 Rfd8 26. Kf3 Rc7 27.
Ke3 Rcd7 28. Nd3 Nxd3 29. Rxd3 Ke6 30. g4 f5 31. gxf5+ gxf5 32. exf5+ Kxf5 33.
Rd5+ e5 34. Rg1 h6 35. Kf3 Kf6 36. Ke4 exf4 37. Kxf4 Re8 38. Rf5+ Ke6 *
Position (FEN): 4r3/p2r4/1p1pk2p/5R2/2P2K2/1P6/P6P/6R1 w - - 3 39
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1671
Best move: Re1#