Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. c4 c5 6. cxd5 Qxd5 7. Nc3 Qe6+ 8.
Qe2 Qxe2+ 9. Bxe2 Nc6 10. dxc5 Bxc5 11. O-O O-O 12. h3 Re8 13. Re1 Nd4 14. Nxd4
Bxd4 15. Bd2 Ne4 16. Nxe4 Rxe4 17. Rab1 Bf5 18. Bf3 Ree8 19. Rxe8+ Rxe8 20. Rc1
Bxb2 21. Rc7 Bd4 22. Rxb7 Bb6 23. Bd5 Be6 24. Bxe6 fxe6 25. Be3 Bxe3 26. fxe3
Ra8 27. Re7 Rc8 28. Rxa7 Rc1+ 29. Kf2 Rc2+ 30. Kf3 g5 31. g4 Rc1 32. a4 Rf1+
33. Ke4 Ra1 34. Ke5 Ra3 35. Kxe6 Rxe3+ 36. Kf5 h6 37. Kg6 Kf8 38. Kxh6 Rxh3+
39. Kxg5 Rb3 40. Kg6 Rb4 41. g5 Rb6+ 42. Kh7 Rb1 43. g6 *
Position (FEN): 5k2/R6K/6P1/8/P7/8/8/1r6 b - - 0 43
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1023
Best move: Rh1#