Hello there, Thank you very much for reaching out to us. While it's possible that the scoring system may differ depending on multiple factors, if there's something going on, if you have a series of screenshots or a short video showing the previous grade and the current one, please include them in your response. If these are available, you can upload them to one of the media-sharing websites listed below: - [url=http://www.youtube.com]YouTube[/url] - [url=http://www.x.com]X/Twitter[/url] - [url=http://www.imgur.com]IMGUR[/url]