Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2 Nd7 5. Ng3 Bg6 6. h4 h6 7. Nc3 e6 8. Bd3
Bxd3 9. Qxd3 c5 10. Be3 c4 11. Qe2 a6 12. O-O-O b5 13. a3 Qb6 14. f4 b4 15.
axb4 Qxb4 16. Na2 Qa5 17. Bd2 Qxa2 18. c3 Rb8 19. Be3 Qa1+ 20. Kd2 Qxb2+ 21.
Ke1 Qxe2+ 22. Nxe2 Be7 23. Ng3 Rb3 24. Kd2 Nb6 25. f5 Na4 26. Rc1 Rb2+ 27. Kd1
Rxg2 28. Ne2 exf5 29. Nf4 Rg3 30. Bd2 Ba3 31. Ra1 Nxc3+ 32. Bxc3 Rxc3 33. Nxd5
Rd3+ 34. Kc2 Be7 35. Rhg1 Rxd4 36. Nxe7 Kxe7 37. Kc3 Rxh4 38. Rxa6 g5 39. Rb1
Rh3+ 40. Kxc4 Rh4+ 41. Kd5 Nf6+ 42. exf6+ Kf8 *
Position (FEN): 5k1r/5p2/R4P1p/3K1pp1/7r/8/8/1R6 w - - 1 43
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 595
Best move: Rb8#