Chess Master

Play live chess online. Match with players in seconds, or challenge the computer.

About Chess Master

Chess Master is a mobile chess app for iOS and Android that lets you play real-time online games against other players, with server-validated moves and rating-based matchmaking.

Key Features

Live Online Play: Match with other players in seconds through rating-based matchmaking
Play vs Computer: Practice against Stockfish-powered opponents at beginner, intermediate, and advanced levels
Sign In Options: Continue as a guest or sign in with Google or Apple
Player Profiles: Choose a username, track your rating, and manage your account
Server-Authoritative Games: Moves are validated on our servers for fair, rule-correct play
Real-Time Gameplay: Live move updates over secure WebSocket connections

Support & Contact

How to Get Help

If you have questions, need assistance, or want to provide feedback about Chess Master, please reach out:

App Store Reviews: Leave a review on the App Store or Google Play Store
Website: Visit this page for legal documents and app information
Email Support: Contact us through your app store's support system

Common Questions

Q: Do I need an account to play?

A: Yes. You can sign in with Google or Apple, or continue as a guest. An account is required for matchmaking and saving your rating.

Q: Does the app require an internet connection?

A: Yes. Online matchmaking and live games require an active internet connection.

Q: What data does Chess Master collect?

A: We store account details (username, rating, sign-in provider), gameplay data (moves and results), and basic profile information. We do not show ads or use third-party analytics. See our Privacy Policy for full details.

Q: Can I change my username?

A: Yes, once per account. After that, your username is locked to prevent abuse.

Q: What happens if no opponent is found?

A: If matchmaking times out, you may be paired with a computer opponent so you can keep playing without a long wait.

Q: Is Chess Master free?

A: Chess Master is free to download and play. We may introduce optional paid features in the future; any changes will be reflected in our Terms and Conditions.

Important Information

Fair Play

IMPORTANT: Using chess engines, bots, scripts, or other unauthorized assistance during live player-versus-player games is not allowed. Violations may result in rating adjustments, restrictions, or account termination.

Privacy & Data

Chess Master is committed to protecting your privacy:

Account Data: Username, rating, and profile details are stored on our servers to run matchmaking and games
Gameplay Data: Moves, results, and game history are stored to maintain fair play and ratings
Local Storage: Your sign-in token is stored securely on your device
No Advertising: We do not show ads or sell your personal information
No Analytics Tracking: We do not use third-party analytics or cross-app tracking

Legal Documents

Please review our legal documents:

Terms and Conditions — Read our terms of use, acceptable conduct, and service rules
Privacy Policy — Learn what data we collect and how we use it

App Information

Availability

iOS: Available on the Apple App Store
Android: Available on Google Play Store

Bundle ID

iOS: com.chessmaster.onlinechess
Android: com.chessmaster.onlinechess

System Requirements

iOS device with a recent supported iOS version
Android device with a recent supported Android version
Active internet connection required for online play
Development build required — Expo Go is not supported

Updates

We regularly update Chess Master to improve gameplay, matchmaking, and stability. Updates are available through the App Store and Google Play Store.

Chess Master — Play live. Match in seconds.

Last Updated: July 18, 2026

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