Chess.com AutoMove with Stockfish 17.1 (Fast Start)

Automatically plays Stockfish 17.1 moves instantly on Chess.com (bot games only)

Verze ze dne 19. 07. 2025. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Chess.com AutoMove with Stockfish 17.1 (Fast Start)
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Automatically plays Stockfish 17.1 moves instantly on Chess.com (bot games only)
// @match        https://www.chess.com/*
// @grant        none
// ==/UserScript==

(function () {
    'use strict';

    // 🧠 Use Stockfish 17.1 (WASM build — host your own or use a trusted CDN)
    const STOCKFISH_URL = 'https://lichess1.org/assets/engine/stockfish.wasm.js'; // Lichess-hosted (version may vary)

    let stockfish;
    let running = false;

    function initStockfish() {
        stockfish = new Worker(STOCKFISH_URL);
        stockfish.postMessage("uci");
    }

    function getFEN() {
        try {
            const game = window?.CHESS?.getGameData?.();
            if (game?.fen && !game.gameOver) return game.fen;
        } catch (e) {}
        return null;
    }

    function doMove(uci) {
        const from = uci.slice(0, 2);
        const to = uci.slice(2, 4);
        const fromSquare = document.querySelector(`[data-square='${from}']`);
        const toSquare = document.querySelector(`[data-square='${to}']`);
        if (fromSquare && toSquare) {
            fromSquare.dispatchEvent(new MouseEvent('mousedown', { bubbles: true }));
            toSquare.dispatchEvent(new MouseEvent('mouseup', { bubbles: true }));
        }
    }

    function startAutoMove() {
        if (running) return;
        running = true;

        stockfish.onmessage = function (e) {
            const msg = e.data;
            if (typeof msg === "string" && msg.startsWith("bestmove")) {
                const move = msg.split(" ")[1];
                if (move && move.length >= 4) {
                    doMove(move);
                }
            }
        };

        setInterval(() => {
            const fen = getFEN();
            if (fen) {
                stockfish.postMessage(`position fen ${fen}`);
                stockfish.postMessage("go depth 12");
            }
        }, 1500); // every 1.5 sec
    }

    // 🧠 Start when DOM is ready
    window.addEventListener("load", () => {
        initStockfish();
        startAutoMove();
    });
})();