ChessNextMove Extension
Undetectable chess calculator that auto-syncs with any chess platform. Zero trace, zero footprint.
Quick demonstration of the extension
Download Now
Works with Chrome, Edge, Brave, Opera, and other Chromium-based browsers.
Version 1.1.3 • Last updated: January 5, 2025
Human Mode V2 is live — fixed Black side losing games issue
Coming soon to Chrome Web Store: We're currently awaiting Google's review for direct installation. For now, follow the simple manual installation steps below.
Installation Guide
Video tutorial: How to install step by step
Download the Extension
Click the download button to get the extension ZIP file
Extract the ZIP
Unzip the downloaded file to a folder on your computer
Open Extensions Page
Go to chrome://extensions in your browser
Enable Developer Mode
Toggle 'Developer mode' in the top right corner
Load the Extension
Click 'Load unpacked' and select the extracted folder
Open Side Panel
Click the extension icon in toolbar, then click 'Open Side Panel'
Login with PRO Account
Sign in with your ChessNextMove PRO account to activate
PRO Membership Required
You need an active PRO subscription to use the extension.Upgrade now →
Powerful Features
Undetectable
Chess platforms cannot detect the extension - runs completely separately from the game
Zero Trace
Leaves no footprint - no injected scripts, no DOM modifications, no detectable activity
Stockfish 17.1
Latest version of the strongest chess engine for grandmaster-level analysis
Auto Board Detection
Automatically detects chess boards on any chess platform
Live Move Sync
Every move on the platform instantly syncs to your calculator board
Instant Analysis
Get the best move in milliseconds with one click
Zero Configuration
Just open the side panel and start - no setup required
Side Panel
Clean side panel interface that doesn't cover your chess board
Supported Browsers
Frequently Asked Questions
Why isn't it on Chrome Web Store?
Chrome Web Store has strict policies against chess analysis tools. We distribute directly to give you full access to all features without restrictions.
Is it safe to install?
Yes. The extension only reads chess board positions visually - it doesn't access your accounts, passwords, or any personal data. You can scan it on VirusTotal with 70+ antivirus engines to verify.
Will I get banned?
The extension is undetectable - it runs completely separately from chess websites and leaves no trace. However, we recommend using it for learning, puzzles, and analysis only.
Do I need a PRO account?
Yes, the extension requires an active PRO membership. Get PRO access here.
Which chess platforms are supported?
The extension works on any website that displays a chess board. It automatically detects and syncs the position.
Important Disclaimer
This extension is designed for educational purposes only - learning, solving puzzles, studying openings, and post-game analysis.
Using analysis tools in rated games violates the terms of service of most chess platforms. Please use responsibly.