Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 c6 5. Bg5 O-O 6. e3 d6 7. Bd3 Bg4 8. Be2
Bxf3 9. Bxf3 Nbd7 10. O-O Rb8 11. d5 c5 12. e4 Ne5 13. Be2 a6 14. f4 Ned7 15.
Bh4 Kh8 16. Bg3 Ng8 17. Qc2 h6 18. f5 g5 19. Rac1 Bd4+ 20. Kh1 Ngf6 21. Bf3 Ne5
22. b3 Kg7 23. Ne2 Nxf3 24. Rxf3 Be5 25. Bxe5 dxe5 26. Rff1 Qd6 27. Ng3 b5 28.
Qe2 b4 29. Nh5+ Kh7 30. Nxf6+ exf6 31. Qh5 Ra8 32. Rf3 Kg7 33. Rh3 Rh8 34. Rg3
Kf8 35. Qg4 h5 36. Qe2 Ke7 37. Ra1 a5 38. a3 bxa3 39. Rxa3 h4 40. Rc3 Kd7 41.
Qa2 Qb6 42. Rc1 Kd6 43. Ra1 g4 44. Rxa5 Rxa5 45. Qxa5 Qxa5 46. Rxa5 Rb8 47. Ra3
h3 48. gxh3 gxh3 49. Kg1 Rg8+ 50. Kh1 Rg2 51. Ra6+ Ke7 52. Rc6 Re2 53. Rxc5 *
Position (FEN): 8/4kp2/5p2/2RPpP2/2P1P3/1P5p/4r2P/7K b - - 0 53
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 683
Best move: Re1#