Factors influencing the grade level include:
* Technical demands: The piece requires a good level of dexterity, articulation control, and phrasing.
* Musical understanding: Interpreting the nuances of Beethoven's style requires musical maturity.
* Specific edition/fingering: Different editions might present challenges differently.
It's best to consult a teacher or a specific graded syllabus used by your music institution to get a more precise grade level.