Chess puzzle (Checkmate)
Moves: 1. Nf3 Nc6 2. e4 e5 3. d4 Nxd4 4. Nxd4 exd4 5. Qxd4 c5 6. Qa4 Be7 7. Bc4 a6 8.
Qb3 d5 9. Bxd5 Be6 10. Bxe6 fxe6 11. Qxe6 Qd6 12. Qg4 Bf6 13. Bf4 Qd7 14. Qxd7+
Kxd7 15. e5 Be7 16. O-O Rd8 17. Nc3 Kc8 18. Na4 Kb8 19. Nb6 Ka7 20. Nc4 h6 21.
a4 g5 22. Be3 Bf8 23. b4 b6 24. a5 b5 25. Nd6 Bxd6 26. exd6 Nf6 27. Bxc5+ Kb7
28. Rfe1 Nd7 29. Re7 Kc6 30. Rae1 Nxc5 31. bxc5 Kxc5 32. R7e5+ Kxd6 33. Re6+
Kc7 34. Rxa6 Kb7 35. Rb6+ Ka7 36. Re7+ Ka8 37. g3 Rd1+ 38. Kg2 Rhd8 39. Rbb7
Ra1 40. Ra7+ Kb8 41. a6 Rdd1 42. Rab7+ Kc8 43. Rec7+ Kd8 44. a7 g4 45. f3 *
Position (FEN): 3k4/PRR5/7p/1p6/6p1/5PP1/2P3KP/r2r4 b - - 0 45
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1345
Best move: Rd2#