Last Updated: February 18, 2026
Blindfold Chess ("the Site") respects user privacy and is committed to protecting personal information. This Privacy Policy explains how the Site collects, uses, and protects information.
Use of Cookies
The Site uses cookies to improve service quality and deliver advertisements. Cookies are small text files stored on your device by websites. While you can disable cookies, some features may not function properly.
Use of Google Analytics
The Site uses Google Analytics to understand site usage and improve services. Google Analytics uses cookies to collect the following information:
- Access statistics such as visitor count and page views
- Behavior patterns and time spent on the site
- Device and browser information
Data collected by Google Analytics is managed according to Google's Privacy Policy. For details, please see: Google Privacy Policy
Advertising via Google AdSense
The Site uses Google AdSense as an advertising service. Google AdSense uses cookies to deliver personalized ads based on user interests. The following information may be used:
- Past access information to this site and other sites
- IP address (does not contain personally identifiable information)
- Device information and browser type
If you do not want personalized ads delivered, you can change your settings at: Ads Settings
For more information about how Google uses information for advertising on partner sites, please see: How Google uses information from sites or apps that use our services
Use of Local Storage
The Site uses browser local storage for the following purposes:
- Saving game progress and user settings
- Remembering theme settings (dark mode/light mode)
- Managing practice mode progress
This information is stored only on your device and is not transmitted to external servers. You can delete this information at any time by clearing your browser cache.
Collection of Personal Information
The Site does not provide user registration. While a contact form is available, information submitted through it is used solely for responding to inquiries and is not used for any other purpose. The Site does not otherwise directly collect personally identifiable information such as names, email addresses, or phone numbers.
Links to Third-Party Sites
The Site may contain links to external sites. The Site is not responsible for the privacy policies of these external sites. When visiting external sites, please review their respective privacy policies.
Children's Privacy
The Site does not intentionally collect personal information from children under 13 years of age. Parents should appropriately supervise their children's internet use.
Your Rights
You have the following rights regarding your data:
- Right of access — You have the right to know what data is being collected about you
- Right to deletion — You have the right to request the deletion of your data
- Right to opt out — You have the right to refuse personalized advertising
- To exercise these rights, please contact us through the contact form
Cookie Details
The following types of cookies are used on the Site:
- Essential cookies — Used for recording cookie consent (CookieYes)
- Analytics cookies — Used for access analysis (Google Analytics)
- Advertising cookies — Used for delivering personalized ads (Google AdSense)
You can consent to or reject each type of cookie through the CookieYes banner.
Data Retention
Data retention periods vary by type:
- Google Analytics data is retained for 14 months
- Game data stored in your browser's localStorage is retained on your device until you clear your browser data
Changes to Privacy Policy
The Site may update this Privacy Policy as needed. Updated Privacy Policy will take effect from the time it is posted on this page. Please check this page regularly.