Actively maintained Mephisto fork — in-browser Stockfish / Fairy-Stockfish chess analysis & autoplay for Chess.com, Lichess, BlitzTactics & TakeTakeTake. Best-move arrows, eval bar, Humanize, clock management, Chess960 & variants. It can play automatically for you and beat anyone
chrome-extension automation chess-engine chess lichess stockfish autoplay chess-com chess-bot chess960 chess-analysis chesscom chess-variants lichess-bot fairy-stockfish nnue chesscom-bot best-move blitztactics move-analysis
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Updated
Aug 7, 2026 - JavaScript