Chess Deluxe does not collect any personally identifiable information.
Chess Deluxe does collect basic usage data including, but not limited to, the types of games played and the type of mobile device you use. This data is collected using a third party service (Firebase, as described below) and is used solely to improve Chess Deluxe.
Firebase is an analytics service provided by Google Inc.
We also encourage you to review the Google's policy for safeguarding your data: https://support.google.com/analytics/answer/6004245. For more information on what type of information Firebase collects, please visit please visit the Google Privacy & Terms web page: https://policies.google.com/privacy?hl=en