Privacy Policy

1. Introduction

Q-GAMBIT ("the Service") is an online quantum chess game. This Privacy Policy explains how we collect, use, and protect your information when you use the Service.

2. Information We Collect

• Account Information: When you create an account, we store your chosen display name and a generated user ID locally on your device (localStorage) and on our server (Supabase) for ranking purposes.
• Game Data: We record game replays (move history, results) to provide replay functionality and leaderboard rankings.
• Automatically Collected Information: We may collect standard web analytics data such as IP address, browser type, device type, and pages visited through third-party services (e.g., Vercel Analytics).

3. Third-Party Services

The Service uses the following third-party services that may collect information:

• Google AdSense: We use Google AdSense to display advertisements. Google may use cookies and web beacons to serve ads based on your prior visits to this or other websites. You can opt out of personalized advertising by visiting Google Ads Settings.
• Supabase: We use Supabase as our backend database to store user profiles, game records, and rankings.
• Vercel: The Service is hosted on Vercel, which may collect standard server logs.

4. Cookies

The Service itself does not directly set cookies. However, third-party services such as Google AdSense may use cookies to personalize ads. You can manage cookie preferences through your browser settings.

5. Data Retention

Account data and game records are retained indefinitely to maintain leaderboard rankings and replay history. You may request deletion of your data by contacting us.

6. Children's Privacy

The Service is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe we have collected such information, please contact us so we can delete it.

7. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated revision date.

8. Contact

If you have any questions about this Privacy Policy, please contact us through our GitHub repository: github.com/S-Suzuki17/Q-Chess