Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. b3 a6 7. Be3 Qa7 8. a4 Bd7
9. Nbd2 Rc8 10. b4 cxb4 11. cxb4 Nxb4 12. Nb3 Ne7 13. Nc5 Nf5 14. Rb1 a5 15.
Nxd7 Kxd7 16. Bb5+ Nc6 17. Ng5 Ke8 18. Qh5 b6 19. O-O g6 20. Qf3 Nxe3 21. Qxe3
Bh6 22. Qf4 Qe7 23. Rfc1 Bxg5 24. Bxc6+ Rxc6 25. Qxg5 Qxg5 26. Rxc6 Kf8 27.
Rcxb6 Qf4 28. Rb8+ Kg7 29. R8b7 Qxd4 30. Ra7 Qxa4 31. g3 Rc8 32. Rbb7 Qa1+ 33.
Kg2 Rf8 34. Ra6 Qxe5 35. Rba7 d4 36. Rxa5 Qe4+ 37. f3 Qe2+ 38. Kh3 Qxf3 39. Ra3
d3 40. Rd7 Qf5+ 41. Kg2 Qe4+ 42. Kh3 g5 43. Raxd3 g4+ 44. Kh4 Rc8 45. R7d4 Qf5
46. Rxg4+ Kh8 47. Rdd4 Rc5 *
Position (FEN): 7k/5p1p/4p3/2r2q2/3R2RK/6P1/7P/8 w - - 3 48
White to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 581
Best move: Rd8#