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Stockfish 18 chess coach. Reliable cloud engine, ELO-aware play, and a full post-match HTML review with a highlighted board. Mongo is a chess learning extension designed to help users improve their skills by analyzing Chess.com positions using a Stockfish-based engine. It provides move suggestions, human-like play modes, premove support, and accurate rule handling such as castling and en passant. The extension is built for educational use, helping players understand better moves, improve decision-making, and learn chess strategies in real time while playing or reviewing games.
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