Tampermonkey Chess Script !!better!! Info

Simple panel (HTML div) with buttons to enable/disable features.

On one edge, you have that make online chess more accessible: better color contrast for visually impaired players, move timers for post-game analysis, and custom piece skins.

Add coordinate labels directly onto the squares for better visualization.

After receiving the best move (e.g., e2e4 ), simulate clicking: tampermonkey chess script

The use of Tampermonkey chess scripts for assistance goes against the spirit of fair play. While they can be used for learning in a non-live environment (like analyzing a completed game), using them during a live, rated game is a violation of the rules.

function highlightLegalMoves(board) // naive: when user clicks a piece square, highlight possible target squares if present board.addEventListener('click', (e) => const sq = e.target.closest('[data-square], .square'); if (!sq) return; // remove old board.querySelectorAll('.tm-legal-move').forEach(x => x.classList.remove('tm-legal-move')); // find legal target squares (site-specific classes) const targets = document.querySelectorAll('.legal-move, .target'); targets.forEach(t => t.classList.add('tm-legal-move')); , true);

It damages the integrity of the online chess community and makes it difficult for players to know if they are competing against a person or an engine. Conclusion Simple panel (HTML div) with buttons to enable/disable

As of 2026, the chess platform arms race has intensified:

| Platform | Stance on Scripts | |----------|-------------------| | Chess.com | Strictly prohibits any use of external assistance during games. Automated scripts lead to permanent bans and rating reset. | | Lichess.org | Bans engine use during play. Allows API bots if clearly marked as BOT . Tampermonkey scripts evading detection are illegal. | | Chess24 (now merged) | Similar to Chess.com – any automation is a violation of TOS. |

If caught using a cheating script, you risk having your account permanently banned, resulting in a loss of rating, Elo, and reputation. The Ethical Dilemma After receiving the best move (e

// ==UserScript== // @name Chess Board Highlighter // @namespace http://tampermonkey.net/ // @version 1.0 // @description Highlight last move on chess.com/lichess // @author You // @match https://www.chess.com/* // @match https://lichess.org/* // @grant none // ==/UserScript==

While visualization scripts (like changing themes) are harmless, any script that assists in making a move is a violation of the terms of service. Conclusion