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Chess.com Bot — With Evaluation Bar (Updated Stockfish) newer

Improved userscript: top 3 moves & threats, persistent settings, debounce/throttle, safer engine lifecycle, promotion handling, better board detection, min/max delay, and real-time evaluation bar. Now using updated Stockfish from a new resource.

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  • v4.6 // Version incremented 2025-10-02

    1. Time Per Move (short vs. long)

    Short time (bullet/fast games) → low or medium calculation depth.

    Example: Only 12–20 plies deep.

    Plays well but can miss deep tactics.

    Medium time (blitz/rapid) → medium calculation depth.

    Example: 25–30 plies deep.

    Finds most tactics, much stronger.

    Long time (classical/analysis) → maximum calculation depth.

    Example: 40–50+ plies deep.

    Near-perfect accuracy, almost unbeatable.

    So: shorter time = weaker calculation, longer time = stronger calculation.

    2. Depth Setting (how far ahead Stockfish calculates)

    Depth = number of half-moves (“plies”) the engine looks ahead.

    Depth 20 → about 10 moves for each side.

    Depth 40 → about 20 moves for each side.

    Higher depth means more accurate results, but also takes more time.

    In sharp positions (tactics, checks, promotions), Stockfish extends depth dynamically to avoid blunders.
  • v4.5 2025-10-02

    stronger stockfish better than old the one also there no dynamic time added maybe adding next time
  • v3.6 // Major update: Dynamic Time Management & Engine Options 2025-09-30

    better resource 9 to 10 level well
  • v3.0 // Major update: Dynamic Time Management & Engine Options 2025-09-29