Chess.com Blocker v2.1.0.6
Click the extension and enter your username and the number of losses.
Should losses equal your set threshold, access to chess.com/play/online and chess.com/game will be blocked.
If you come across any bugs or have any suggestions, please share them with me and I’ll do my best to fix them.
This extension is open source and can be found at: https://github.com/Zinkelburger/ChesscomBlocker/tree/main/Firefox