The JavaScript File for CodeForces Rating Predictor
Since upgrading to macOS Catalina, TamperMonkey is now a paid extension for Safari! TO run UserScripts in Safari, Download the following Extension from macOS App Store: https://github.com/quoid/userscripts
After Installing the above extension, Copy Paste the above code into the UserScripts Extension Editor! If the above script isn't working, Then Select Safari->Develop->Disable Cross-Origin Restrictions!
If Still not working, Contact ME!