Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Bf5 3. c3 Nd7 4. Nf3 Ngf6 5. e3 e6 6. Bd3 Bd6 7. Bxd6 cxd6 8.
Bxf5 exf5 9. Qb3 Nb6 10. Nbd2 Qd7 11. a4 O-O 12. a5 Nc4 13. Nxc4 dxc4 14. Qxc4
f4 15. O-O fxe3 16. fxe3 Rfe8 17. Qd3 Qe6 18. Rae1 Qe4 19. Qxe4 Nxe4 20. Re2 f5
21. Nd2 Nxd2 22. Rxd2 g6 23. Re2 Re7 24. Rf4 Kg7 25. e4 Rae8 26. Kf2 fxe4 27.
d5 g5 28. Rg4 e3+ 29. Ke1 Kg6 30. h4 h6 31. hxg5 hxg5 32. Rb4 Rf8 33. Kd1 Rf2
34. Rg4 Kf5 35. Rg3 Rf1+ 36. Kc2 Kf4 37. Rh3 g4 38. Rh8 Kg3 39. Kd3 Rd1+ 40.
Kc2 Rxd5 41. b4 Rf7 42. Rxe3+ Kxg2 43. Rg8 Kf2 44. Re6 g3 45. Reg6 Rf3 46. Rg4
Rdd3 47. c4 Rc3+ 48. Kb2 Rce3 49. b5 Re2+ 50. Kb1 Rb3+ 51. Kc1 Rc3+ 52. Kb1 Rd3
53. Kc1 Ke1 54. Rxg3 *
Position (FEN): 6R1/pp6/3p4/PP6/2P5/3r2R1/4r3/2K1k3 b - - 0 54
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1144
Best move: Rd1#