Chess puzzle (Checkmate)
Moves: 1. Nf3 d5 2. g3 Nc6 3. d4 Bg4 4. Bg2 Bxf3 5. Bxf3 e6 6. O-O Be7 7. e3 Nf6 8. c4
O-O 9. Nc3 Na5 10. cxd5 exd5 11. Qa4 c6 12. Bd2 Nc4 13. Qc2 Rc8 14. a4 a5 15.
b3 Nxd2 16. Qxd2 Bb4 17. Qd3 Re8 18. Ne2 Qe7 19. h4 h6 20. Nf4 Bd6 21. Ng2 Ne4
22. Bxe4 Qxe4 23. Qxe4 Rxe4 24. Rfc1 g5 25. hxg5 hxg5 26. Ne1 Kg7 27. Kg2 Kg6
28. Nd3 f6 29. Rab1 Re7 30. b4 axb4 31. Nxb4 Rh8 32. Nd3 Reh7 33. Rg1 Rh2+ 34.
Kf1 R8h7 35. Ne1 g4 36. Ke2 Kf5 37. Nd3 Ke6 38. a5 Kf5 39. Rgc1 Bxg3 40. a6
bxa6 41. Rxc6 Bxf2 42. Nxf2 g3 43. Rf1 gxf2 44. Rxf2+ Rxf2+ 45. Kxf2 Ra7 46.
Rc5 Ke4 47. Rc6 f5 48. Ke2 a5 *
Position (FEN): 8/r7/2R5/p2p1p2/3Pk3/4P3/4K3/8 w - - 0 49
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 541
Best move: Re6#