Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 d5 3. Nf3 c6 4. Bf4 Bf5 5. Nbd2 e6 6. e3 Bb4 7. a3 Bxd2+ 8.
Nxd2 Nbd7 9. Rc1 O-O 10. h3 c5 11. cxd5 exd5 12. Bb5 cxd4 13. exd4 a6 14. Bxd7
Qxd7 15. O-O Rfe8 16. Rc7 Qe6 17. Rxb7 Bd3 18. Nf3 Bxf1 19. Qxf1 Rac8 20. Ne5
Rb8 21. Rxf7 Qd6 22. Ra7 Qb6 23. Qxa6 Qxa6 24. Rxa6 Rxb2 25. Be3 Ra2 26. a4 h6
27. Ra7 Ra1+ 28. Kh2 Ne4 29. a5 Rb8 30. Nc6 Rbb1 31. a6 *
Position (FEN): 6k1/R5p1/P1N4p/3p4/3Pn3/4B2P/5PPK/rr6 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 635
Best move: Rh1#