Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 a6 5. d3 h6 6. Qe2 d6 7. Be3 Be6 8. Nbd2
Bxc4 9. Nxc4 Bxe3 10. fxe3 Qd7 11. O-O-O Nf6 12. h3 O-O-O 13. Nfd2 Qe6 14. Nb3
Qe7 15. d4 Nxe4 16. Rhf1 Kb8 17. d5 Na7 18. Qc2 Qh4 19. a4 Ng3 20. Nba5 Nxf1
21. Qb3 b5 22. Rxf1 Kc8 23. axb5 axb5 24. Na3 Qa4 25. Qxa4 bxa4 26. Rxf7 Rdf8
27. Rxg7 Rf1+ 28. Kc2 Rhf8 29. Nc6 e4 30. Nxa7+ Kb7 31. Nc6 *
Position (FEN): 5r2/1kp3R1/2Np3p/3P4/p3p3/N1P1P2P/1PK3P1/5r2 b - - 2 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1289
Best move: R8f2#