Tampermonkey is a popular user script manager available for Chrome, Firefox, Edge, and Safari. It allows users to write, install, and run JavaScript injections that change how a specific website behaves.
The community is strict. The monitoring systems are sophisticated. And the penalties are final. Approach Tampermonkey scripts not as a shortcut to victory, but as a tool to make your journey of learning and playing chess more enjoyable. Respect the rules, respect your opponents, and you'll find that the real magic of chess lies not in the script you run, but in the moves you discover yourself.
(function() 'use strict';
Sites track your mouse movements and click speeds. Human erraticism is vastly different from automated script inputs. tampermonkey chess script
When discussing a Tampermonkey chess script , it is vital to address the elephant in the room: . The Risk of Engines and Overlays
| Tier | Name | Function | Detection Risk | | :--- | :--- | :--- | :--- | | Tier 1 | Aesthetic | Board skins, piece sets, dark mode. | None | | Tier 2 | Informational | Pre-move highlighting, clock management, game analysis. | Low | | Tier 3 | Automated / Engine-assisted | Legal moves, best move arrows, auto-play. | Very High |
: Modifying CSS to display both game review bubbles simultaneously. Analysis : Adding links to Lichess from Chessgames.com. Customization : Replacing piece images using CSS injection. To make this script truly useful, I can help you with: Adding the code to scrape the current PGN from the site. Tampermonkey is a popular user script manager available
Setting up a user script takes less than five minutes. Follow these steps to get started:
Tampermonkey chess scripts allow you to inject custom code into websites like Chess.com and Lichess to completely transform your user experience. By leveraging these user scripts, you can alter visual themes, automate tedious tasks, and add powerful analytical tools directly to your browser.
Look over the code permissions to ensure it only accesses the specific chess website intended, then click "Confirm Installation." The monitoring systems are sophisticated
Looking for a Tampermonkey script to enhance your browser chess experience? This lightweight userscript adds useful UI tweaks and small automation features for web-based chess platforms (e.g., board highlighting, move countdown, and quick analysis links). Install in Tampermonkey and adjust the settings at the top of the script.
// === CONFIG === const SITE = name: 'GenericChess', boardSelector: '.board', // CSS selector for board container moveListSelector: '.moves', // CSS selector for move list (if needed) fenSource: () => // try common places for FEN/PGN on page; override per-site const fenEl = document.querySelector('input[name="fen"], input.fen'); if (fenEl) return fenEl.value; // fallback: try to read from a data attribute on board const board = document.querySelector('.board'); return board ? board.getAttribute('data-fen') : null;
function addStyles() const css = ` .tm-last-move outline: 3px solid rgba(255,180,0,0.9); border-radius:6px; .tm-legal-move box-shadow: inset 0 0 0 3px rgba(0,200,120,0.18); .tm-timer-bar position: absolute; left:0; bottom:0; height:4px; background:#ff6b6b; transition:width 0.1s linear; z-index:9999; .tm-analysis-btn position: absolute; top:8px; right:8px; padding:6px 8px; background:#222; color:#fff; border-radius:4px; font-size:13px; cursor:pointer; z-index:9999; opacity:0.9; .tm-analysis-btn:hover opacity:1; `; const s = document.createElement('style'); s.textContent = css; document.head.appendChild(s);