Summary
Data we collect
Account details, gameplay data, and basic technical data required to run the service.
How we use it
To operate games, keep accounts secure, detect cheating, and improve reliability.
Your control
You can access or delete your account data, and request help through the site.
Information we collect
- Account data: username and password (stored as an argon2id hash).
- Gameplay data: games, moves, and analysis results.
- Technical data: IP address, session identifiers, and HTTP request metadata.
- Authentication and session data to keep you logged in.
How we use information
- Provide real-time chess play, analysis, and learning tools.
- Authenticate users and secure accounts.
- Detect abuse, cheating, and fraud.
- Maintain system reliability and performance.
Legal bases for processing (GDPR)
- Contract: to provide the service you request.
- Legitimate interests: to secure the platform and prevent abuse.
- Consent: where required by law, such as optional cookies.
- Legal obligations: if we must comply with lawful requests.
Data retention
Accounts and related data may be deleted after one year of inactivity. IP addresses and request logs are retained for up to one year to prevent abuse and maintain security. Session cookies expire after one week of inactivity or one year, whichever comes first. Game data is anonymized if an account is deleted and removed entirely when both players are anonymous.
Security
We use industry-standard security practices, including hashed passwords, secure session handling, and monitoring for abuse. No online system is 100% secure, but we work continuously to protect your data.
Your rights
- Access, correct, or delete your account data.
- Object to or restrict certain processing where legally applicable.
- Request a copy of your data in a portable format.
Children and minors
ChessiL.com is designed to be safe for minors. If you are under the age that requires parental consent, you must have permission from a parent or guardian to use the service.
Changes to this policy
We may update this policy from time to time. We will post the new policy on this page with an updated effective date.