GM Cheems by GM Cheems

Chess analysis and tactics trainer for Chess.com and Lichess

Download Firefox and get the extension

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Permissions and data

Required permissions:

Extend developer tools to access your data in open tabs
Access your data for sites in the chess.com domain
Access your data for lichess.org
Access your data for app.gmcheems.xyz
Access your data for localhost
Access your data for 127.0.0.1

Optional permissions:

Access your data for sites in the gmcheems.xyz domain
Access your data for sites in the githubusercontent.com domain
Access your data for sites in the sentry.io domain
Access your data for github.com
Access your data for 127.0.0.1:8787
Access your data for localhost:8787