Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 e6 6. a3 b5 7. Ba2 Bb7 8. O-O
Be7 9. b4 O-O 10. Bb2 Nbd7 11. Nbd2 Nb6 12. Rc1 a5 13. bxa5 Rxa5 14. Nb3 Ra7
15. Nc5 Bxc5 16. Rxc5 Na4 17. Rc2 Nxb2 18. Rxb2 Rxa3 19. Bb1 Qd7 20. Ne5 Qd5
21. Qf3 Qxf3 22. gxf3 Ra5 23. Rc1 Rc8 24. Bd3 c6 25. Bf1 Nd5 26. f4 Nb6 27. Bg2
Nd5 28. h4 f6 29. Nd3 Kf7 30. Nc5 Ba8 31. Bh3 f5 32. Nd3 Ke7 33. Ne5 Kd6 34.
Bf1 Bb7 35. Rbc2 Ra6 36. Bxb5 cxb5 37. Rxc8 Bxc8 38. Rxc8 b4 39. Rb8 Ra1+ 40.
Kg2 Ra2 41. Kg3 Rb2 42. Rb7 Rb1 *
Position (FEN): 8/1R4pp/3kp3/3nNp2/1p1P1P1P/4P1K1/5P2/1r6 w - - 8 43
White to move.
Themes:  Endgame Hook Mate, Mate in 1 
Puzzle rating: 1085
Best move: Rd7#