Chess.com
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Listed because a sourced use case names it. Pricing not verified by KitRank: see the official pricing page.
Use cases with Chess.com
Research & learningX · @JHCapital
Build a personal chess tutor from your own games with Grok Bot
His Grok Bot pulls every rapid game from the free Chess.com API, runs each through Stockfish 17, sorts errors into themes such as hung pieces and time trouble, writes a weekly lesson plan with examples from his games and books two study slots in his calendar.
$30/mo1 weekendIntermediate