If your goal is simply to or analyze your own games after they finish , free scripts like Chess.com Complete Move Guide are safe, educational, and effective. If your goal is to gain an unfair advantage in rated games , no script—exclusive or not—is truly safe, and you risk losing your account permanently.
While running code on your own browser is generally not a criminal act, the distribution of software specifically designed to violate a website's ToS can have legal consequences. As noted in discussions about browser add-ons, platforms must balance openness with policies against extensions that "violate laws or terms of service".
An tampermonkey chess script typically implies a script that is not publicly listed on repositories like GreasyFork. These are often shared in private forums, Discord servers, or sold, promising "undetectable" features. Features of Exclusive Chess Scripts
: These are generally allowed as they do not provide a competitive advantage. Examples include adding custom chess piece sets tampermonkey chess script exclusive
Using any script to get tactical, positional, or move suggestions during a game is considered cheating and violates the fair play policies of platforms like Chess.com. Detection Risk
Many "exclusive" scripts distributed on underground forums are packed with malware, keyloggers, or trackers designed to steal your browser data, passwords, or cryptocurrency.
To get started with the script, you'll need to have Tampermonkey installed in your browser. Here's a step-by-step guide: If your goal is simply to or analyze
For the chess community, the focus must remain on integrity. While Tampermonkey scripts can be invaluable for post-game analysis, interface accessibility, or fun variants (like "Black Moves First" scripts), crossing the line into exclusive, paid cheating scripts corrupts the very essence of the game.
Tampermonkey is a popular userscript manager for Google Chrome, Microsoft Edge, Safari, Opera Next, and Firefox. It allows users to run scripts on web pages, enabling a wide range of customizations and enhancements that are not possible through standard browser functionality. For chess players, Tampermonkey scripts can automate tasks, provide analysis tools, and even offer strategic advice.
For Lichess users, the is a fully working auto-play bot that intercepts WebSocket traffic. After joining a game, the script calculates the best move using the open-source Stockfish engine and automatically sends the move to the server. Its GitHub repository states: "The bot will not make the first move, so you have to make the first move. If you're black, you don't have to do anything, the bot will make the first move". As noted in discussions about browser add-ons, platforms
Bypassing standard theme limitations to introduce 3D piece animations, custom soundscapes, or minimalist distraction-free modes. 2. Behavioral and Speed Optimization (Pre-move Scripts)
It is crucial to differentiate between scripts that enhance the user interface (UI) and those that aid in gameplay.
: Allows users to replace default piece sets with custom images of their choice.
This story follows , a developer who turned a frustration with his chess board's layout into a popular Tampermonkey script. The Problem: A Cluttered Battlefield
User scripts can be dangerous. Malicious scripts can steal your login tokens, make unauthorized moves on your behalf, or inject harmful code into your browser. Always obtain scripts from trusted sources—official GreasyFork pages, well‑known GitHub repositories, or reputable private developers. Never paste random code from an unknown forum post into Tampermonkey.