Effective Date: August 1, 2026
Last Updated: August 1, 2026

Chess Puzzle 100K (“we,” “our,” or “us”) operates the Chess Puzzle 100K mobile application (Package Name: com.chess.puzzle100000). This Privacy Policy informs you of our policies regarding the collection, use, and disclosure of personal data when you use our application.

By using the app, you agree to the collection and use of information in accordance with this policy.

1. Information Collection and Use
A. Personal Data
Chess Puzzle 100K does not require user registration, account creation, or login. We do not collect, store, or transmit any personally identifiable information (such as your name, email address, phone number, or physical address).

B. Local Data Storage
All your gameplay progress, completed puzzles, streak count, rating preferences, piece/board custom themes, imported CSV puzzle files, and backup history are stored locally on your device via local database storage (Room SQLite & SharedPreferences). This data never leaves your device unless you manually export a backup file yourself.

2. Third-Party Advertising Services
Our app uses third-party advertising services provided by Google AdMob to display advertisements (Banner, Interstitial, and Rewarded ads).

Google AdMob may collect and process certain non-personal device information to serve relevant ads, measure ad performance, and prevent fraud. This information may include:

Device identifiers (such as Google Advertising ID / GAID)
IP address
Coarse location data
App usage statistics and ad interaction data
For more details on how Google handles advertising data, please review Google’s Privacy Policy:

Google Privacy & Terms
How Google uses information from sites or apps that use our services
3. App Permissions
The app requests the following minimal permissions required for operation:

INTERNET: Required to fetch Google AdMob advertisements.
ACCESS_NETWORK_STATE: Required to check network status for ad loading.
4. Children’s Privacy
Our application does not address anyone under the age of 13 (“Children”). We do not knowingly collect personally identifiable information from children under 13. If you are a parent or guardian and you are aware that your child has provided us with personal data, please contact us so that we can take necessary actions.

5. Security of Data
The security of your data is important to us. Since all game progress and settings are stored locally on your device, your data is protected by your device’s native operating system security features.

6. Changes to This Privacy Policy
We may update our Privacy Policy from time to time. You are advised to review this page periodically for any changes. Any updates will be effective immediately upon posting.

7. Contact Us
If you have any questions or suggestions regarding our Privacy Policy, do not hesitate to contact us at:

Developer / Support Email:
kodequ.com@gmail.com
Application Package: com.chess.puzzle100000