Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. Nbd2 Nc6 5. Bb5 Bd7 6. O-O a6 7. Bxc6 Bxc6 8.
Ne5 Bb5 9. Re1 Nd7 10. a4 Nxe5 11. axb5 Nd7 12. bxa6 bxa6 13. Nb3 Bb4 14. Bd2
Bxd2 15. Qxd2 O-O 16. Na5 c5 17. Nc6 Qc7 18. Ne7+ Kh8 19. dxc5 Nxc5 20. Nxd5
exd5 21. Qxd5 Rad8 22. Qf3 Ne6 23. c3 Ng5 24. Qe2 Rfe8 25. Qxa6 h6 26. Qb5 Ne4
27. Red1 Kh7 28. Qa4 Qe7 29. Rd4 Rxd4 30. cxd4 Qf6 31. Rf1 Rb8 32. b4 Qb6 33.
Rb1 Nc3 34. Qc2+ Qg6 35. Qxg6+ Kxg6 36. Rb3 Nd5 37. b5 Nc7 38. b6 Nd5 39. b7
Kf6 40. e4 Nf4 41. Rb6+ Ke7 42. g3 Ne2+ 43. Kg2 Nxd4 44. f3 Kd7 45. Rb2 Kc7 46.
Rd2 Nb3 47. Rc2+ Kxb7 48. g4 Nd4 49. Rb2+ Kc7 50. Rd2 Ne6 51. Kg3 g6 52. h4 g5
53. h5 f6 54. Rc2+ Kd6 55. Rd2+ Ke5 *
Position (FEN): 1r6/8/4np1p/4k1pP/4P1P1/5PK1/3R4/8 w - - 4 56
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 657
Best move: Rd5#