Privacy Policy for Chess Champion

Effective Date: July 5, 2026
Last Updated: July 5, 2026

Chess Champion ("we", "our", or "us") respects your privacy and is committed to protecting your information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use the Chess Champion mobile application ("App").

Chess Champion is a chess application that offers AI gameplay, local multiplayer, Wi-Fi LAN multiplayer, and online multiplayer features. By using the App, you agree to the collection and use of information in accordance with this Privacy Policy.

1. Information We Collect

1.1 Information You Provide

You may choose to provide a display name for use within the App.

This display name may be used for:

• Online multiplayer
• Matchmaking
• Game history
• Leaderboards (if available)

You are not required to provide your real name.

1.2 Game Data

The App stores information related to your gameplay, including:

• Completed game history
• Chess moves (PGN)
• Match results
• AI difficulty
• Time controls
• Player statistics
• Wins, losses, and draws
• Rating and progression
• XP and levels (if available)
• Current game state for resuming unfinished games

Most of this information is stored locally on your device.

1.3 App Preferences

The App stores your preferences such as:

• Board theme
• Piece style
• Sound settings
• Music settings
• Notification preferences
• Board orientation
• Language
• Default AI difficulty
• Default game settings

These settings are stored locally to improve your experience.

1.4 Online Multiplayer Information

When you use online multiplayer, we may temporarily process:

• Random player identifier
• Display name
• Socket ID
• Matchmaking information
• Game moves
• Room information
• Rating
• Connection timestamps

This information is used only to facilitate online gameplay.

1.5 Wi-Fi LAN Multiplayer

For Wi-Fi LAN games, the App may use your local network to discover nearby devices.

During this process, the App may temporarily access:

• Local IP address
• Device hostname
• Network identifiers

This information is used only to establish peer-to-peer connections and is not used for advertising or profiling.

1.6 Automatically Collected Information

To improve app stability, display advertisements, and enhance the user experience, Google services may automatically collect:

• Device identifiers
• Advertising ID
• Firebase App Instance ID (if Firebase is enabled)
• Device model
• Operating system version
• App version
• Crash logs
• Diagnostics
• App interaction data
• Approximate location (derived from IP address)
• IP address

2. Local Data Storage

Most gameplay information is stored locally on your device.

This includes:

• Game history
• Saved games
• Player profile
• Preferences
• Statistics

You may remove this information by clearing app data or uninstalling the App.

3. Online Multiplayer Services

Online multiplayer requires communication with our matchmaking server.

During online play, we temporarily process:

• Display name
• Random player ID
• Socket ID
• Matchmaking information
• Game state
• Chess moves
• Timer synchronization

Session data is retained only as long as necessary to provide online gameplay and is automatically removed after the session ends or expires.

4. Google AdMob

The App displays advertisements using Google AdMob.

Google AdMob may automatically collect:

• Advertising identifiers
• Device identifiers
• IP address
• Approximate location
• App interactions
• Device information
• Crash information
• Diagnostic information

This information helps Google:

• Display personalized or non-personalized advertisements
• Measure advertising performance
• Prevent fraud
• Improve advertising services

Advertising preferences can be managed through your device settings.

More information is available at:

https://policies.google.com/technologies/ads

5. Notifications

The App may send notifications for:

• Matchmaking availability
• Online game updates
• App updates
• Important announcements

Notifications are optional and can be disabled through your device settings.

6. How We Use Information

We use information to:

• Provide gameplay features
• Save game progress
• Resume unfinished games
• Track player statistics
• Manage matchmaking
• Enable online multiplayer
• Enable Wi-Fi LAN gameplay
• Improve app performance
• Diagnose crashes
• Display advertisements
• Improve user experience
• Prevent fraud and abuse
• Develop new features

We do not sell your personal information.

7. Data Sharing and Disclosure

We do not sell, rent, or trade your personal information.

Information may be shared only:

• With your online opponent during multiplayer games (display name, rating, and game moves)
• With Google AdMob for advertising
• With trusted hosting or infrastructure providers that operate multiplayer services
• When required by applicable law
• To protect the rights, safety, and security of users or the App

8. Data Security

We implement appropriate technical, administrative, and organizational safeguards to protect your information.

Security measures include:

• Encrypted network communication (TLS/SSL)
• Secure server infrastructure
• Input validation
• Rate limiting
• Access controls

Although we strive to protect your information, no method of electronic storage or transmission over the Internet is completely secure.

9. Data Retention

Local data remains on your device until:

• You clear the App's data
• You delete game history
• You uninstall the App

Online session data is retained only for the duration necessary to provide matchmaking and multiplayer functionality and is automatically deleted after the session expires.

Advertising data is retained according to Google's policies.

10. Children's Privacy

The App is intended for a general audience and is not directed toward children under the age of 13.

We do not knowingly collect personal information from children under 13 years of age.

If you believe that a child has provided personal information, please contact us so appropriate action can be taken.

11. Your Choices

Depending on your device and region, you may:

• Disable notifications
• Reset or disable your Advertising ID
• Opt out of personalized advertisements
• Delete local game history
• Clear all locally stored data
• Uninstall the App to remove locally stored information

12. Changes to This Privacy Policy

We may update this Privacy Policy from time to time.

Any updates will be posted with a revised Effective Date and Last Updated date.

Your continued use of the App after changes become effective constitutes acceptance of the updated Privacy Policy.

13. Contact Us

If you have any questions, suggestions, or concerns regarding this Privacy Policy, please contact us:

Developer: Kesavaraja M

App: Chess Champion

Email: kesavarajamurugesan@gmail.com