This free and open-source chess app, built by chess enthusiasts, offers a comprehensive online and offline chess experience. Boasting a rapidly growing user base of 150,000 daily players, it provides diverse game modes including bullet, blitz, classical, and correspondence chess, plus arena tournaments.

Key features include:

• Multiplayer & Single Player: Play against others online, participate in tournaments, challenge friends, or enjoy offline games against the computer or a friend using the Over The Board mode.
• Game Variations: Explore numerous chess variants, both online and offline: Crazyhouse, Chess 960, King of the Hill, Three-check, Antichess, Atomic chess, Horde, and Racing Kings.
• Analysis & Learning: Benefit from local and server-based game analysis with move annotations and summaries. Utilize the unlimited opening explorer and endgame tablebase explorer to enhance your skills. Practice with built-in chess puzzles.
• Additional Features: Includes a standalone chess clock, board editor, and is available in 80 languages. The app is designed for both phones and tablets, supporting landscape mode.
• Completely Free & Open Source: Enjoy the app ad-free, forever. The source code is available on GitHub (mobile app: https://github.com/veloce/lichobile, website & server: https://lichess.org/source).

Version 8.0.0 (Updated Dec 10, 2022):

This release includes ongoing improvements, new features, and bug fixes. For detailed release notes and further information, please visit: https://github.com/veloce/lichobile/releases