Last updated: August 2026
By accessing and playing on One Chess (accessible via justonechess.com), you agree to be bound by these Terms of Service, all applicable laws and regulations, and agree that you are responsible for compliance with any applicable local laws.
Permission is granted to freely access, play, and interact with the One Chess game client in any modern web browser for personal, non-commercial, and educational purposes. Under this license, you may not:
The materials, game engines, and features on One Chess are provided on an "as is" basis. One Chess makes no warranties, expressed or implied, and hereby disclaims and negates all other warranties including, without limitation, implied warranties or conditions of merchantability, fitness for a particular purpose, or non-infringement of intellectual property.
In no event shall One Chess or its developers be liable for any damages (including, without limitation, damages for loss of data or profit, or due to business interruption) arising out of the use or inability to use the materials on One Chess.
One Chess may display advertisements served by Google AdSense and links to third-party partner websites (such as ChessPact). We have not reviewed all of the external sites linked from these advertisements and are not responsible for the contents or privacy practices of any such linked site.
One Chess may revise these Terms of Service for its website at any time without notice. By using this website, you are agreeing to be bound by the then-current version of these Terms of Service.
If you have any questions regarding these Terms of Service, please contact us via email at contact@justonechess.com.