Chess on Tablet

About This Site

This website, Chess on Tablet, provides a free web-based chess game that allows two players to play on one tablet or smartphone.

Information Collection

This site collects only the minimum personal information necessary, and only in the following cases:

• Account registration: we collect your email address for login and identity verification.
• Signing in with a Google account: we retrieve only your email address. We do not retrieve your name or profile picture.
• Saved game data: the "player name" shown during a game is a display name freely entered by the user, not a real name.

We do not collect personal information such as physical addresses or phone numbers for any other purpose.

Cookies

This site may use cookies to improve user experience and to maintain game state during play. We also store your browser's time zone (e.g. America/New_York) in a cookie so that dates such as your game history are shown in your local time.

Analytics

This site uses Google Analytics (GA4) to analyze website traffic and usage in order to improve our services.

Google Analytics may automatically collect certain information, including:

• IP address
• Device information
• Browser information
• Access date and time
• Pages viewed
• Usage data

This information is collected anonymously and does not personally identify users.

For more information about how Google handles data, please refer to:
https://policies.google.com/privacy

Advertising

This site may display advertisements provided by third-party advertising services such as Google AdSense.

Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites.

Users may opt out of personalized advertising by visiting:
https://adssettings.google.com/

Payments

Paid analysis features are processed using Stripe's payment service.
Credit card numbers and other payment details are not stored on our servers and are handled securely by Stripe.

For more information about Stripe's privacy policy, please refer to:
https://stripe.com/privacy

Data Retention

Account information (such as your email address) is retained while your account remains active.
If you wish to delete your account or your data, sign in and use the "Delete Account" menu at the bottom of My Page.

Data collected via Google Analytics is retained in accordance with Google’s policies.

Contact

For inquiries regarding the handling of personal information, please use the contact form available on this website.

Changes to This Policy

This privacy policy may be updated from time to time. Any changes will be posted on this page.