BetterChess

• chess_analyse — Returns an engine evaluation of a chess position: the strongest candidate moves with their scores, and the position's checkable facts — side to move, whether th
• chess_attacks — Returns the exact list of squares attacked by the piece standing on a given square in a chess position, together with that piece's type and colour. Returns an e
• chess_rig — Returns the JavaScript source of the in-page coaching rig for a chess.com bot game, to be run in that page by the browser's javascript tool. Once running, the p
• chess_review — Replays a finished game ply by ply with the engine and returns the moves where the evaluation swung by more than a threshold (default 1.5 pawns). Each entry giv

No long description beyond the summary.