Terms of Use
Chess Master is operated by Lixing Fuli Limited and provides recreational chess learning and practice. It does not guarantee a rating, competitive result or educational outcome.
Free features and Chess Pro
All seven guided lessons and five computer practice levels are free. Chess Pro is an optional one-time purchase that increases undo actions from two to five per game. It is not a subscription. The App Store shows the applicable local price before confirmation. Restore purchases with the same Apple Account. Refund requests are handled through Apple subject to applicable rights.
Acceptable use
You may use the app for personal learning and play. Do not interfere with the app, misuse its services or redistribute proprietary content except where law permits.
Availability and local data
Features may change to improve reliability or compliance. Local progress may be lost when data is cleared, the app is removed or devices are changed. No in-app cloud account or synchronization is provided.
Contact
These terms do not limit rights that cannot lawfully be excluded. Questions: service@lixingfuli.com.