Overview of Chess Assistant
Chess Assistant, developed by ChessOK since 1988, is a program for managing chess games and databases, analyzing positions and playing online.
Version 26 ships with large databases, strong engines and flexible search tools.
Features of Chess Assistant
- Databases totaling about 8.8 million games
- Weekly game updates via online subscription
- Rybka 4 bundled and Stockfish auto-installed
- Connects to other UCI engines such as Komodo
- Search by position, header, material and novelty
- Opening tree, background analysis and CQL support
Technical Details and System Requirements
- OS: Windows
- Processor: Dual-core 2 GHz
- RAM: 4 GB
- Storage: See ChessOK for exact size
- Internet for updates and online play
How to Install
- Get the download link from ChessOK or an authorized reseller
- Run the installer
- Follow the wizard and choose the install folder
- Enter your license and let engines and databases set up
What's New
Updated game databases
Stockfish auto-install
Includes 1 month of Chess King Learn courses
FAQ
Is Chess Assistant free?
No, it is commercial software.
Which engines are included?
Rybka 4 and Stockfish, and you can add other UCI engines.
Can I update the database?
Yes, with the weekly update subscription.
Does it run on Windows 10 and 11?
Yes, it is a Windows application.



