Tampermonkey Chess Script ((top)) Jun 2026

Open Chess.com or Lichess. Click on the Tampermonkey extension icon in your toolbar to verify that the script is listed as "Enabled" and running on the current site. Refresh the page, and you should see your modifications in action. Critical Safety and Fair Play Warning

GM_xmlhttpRequest( method: 'GET', url: `https://lichess.org/cloud-eval?fen=$encodeURIComponent(fen)&multiPv=1`, onload: function(res) let best = JSON.parse(res.responseText); console.log('Best move:', best.pvs[0].moves);

Scripts that interact with chess engines (like Stockfish) to calculate moves, highlight the best squares on the live board, or predict opponent blunders are strictly forbidden. Both Chess.com and Lichess employ highly sophisticated anti-cheat algorithms that easily detect the automated DOM manipulation and engine calls associated with cheat scripts. Using these will result in permanent account bans. How to Install a Tampermonkey Chess Script

Using a script to assist with your moves—even in unrated games or against bots—is a violation of the terms of service on Chess.com and Lichess. Violations result in permanent account bans, public shaming (your profile will state you were banned for fair play violations), and IP/hardware bans. Best Practices for Safe Scripting tampermonkey chess script

const observer = new MutationObserver(() => if (document.querySelector(selector)) resolve(document.querySelector(selector)); observer.disconnect();

Display opponent win/loss streaks and detailed historical statistics on their profile hover card. 3. Streamlined Streamer Tools

After Chess.com changed its "Game Review" interface, a script was developed to restore the old functionality, allowing players to see both the "Move Played" and "Best Move" bubbles simultaneously in the review screen. This script is for . Open Chess

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Website developers frequently update their site architecture. An outdated script can break the website layout or cause severe lag during a time scramble. Share public link How to Install a Tampermonkey Chess Script Using

Apply high-definition wooden textures, neon gradients, or ultra-minimalist designs.

🛠️ Playing with Tampermonkey & Chess.com

Because chess platforms updated their interfaces frequently, these scripts act as community-driven patches or feature additions that the main developers have not officially implemented. Popular Features of Chess User Scripts

Scripts can overlay new visual elements, such as colored squares, arrows, or custom menus, directly onto the chessboard.