lichess

The premier free and open-source online and offline chess platform

Crafted for chess enthusiasts, this open-source application is completely free for everyone.

- 150,000 daily active users with rapid growth

- Enjoy bullet, blitz, classical, and correspondence chess

- Compete in arena tournaments

- Discover, follow, and challenge other players

- Analyze your game statistics

- Sharpen your skills with chess puzzles

- Multiple variants available online and offline: Crazyhouse, Chess960, King of the Hill, Three-check, Antichess, Atomic chess, Horde, Racing Kings

- In-depth game analysis with local computer evaluation

- Comprehensive server computer analysis featuring move annotations and game summaries

- Unlimited opening explorer

- Endgame tablebase explorer

- Play against offline computer opponents

- Over The Board mode for offline games with friends

- Standalone chess clock with multiple time controls

- Integrated board editor

- Available in 80 languages

- Optimized for phones and tablets with landscape mode support

- Completely free, ad-free, and open-source!

Following the spirit of https://lichess.org, this application is open-source free software (GPL v3). It remains entirely free and advertisement-free, now and always.

Mobile application source code: https://github.com/veloce/lichobile

Website and server source code: https://lichess.org/source

What's New in Version 8.0.0

Last updated on Dec 10, 2022

We consistently enhance the application with new features, improvements, and bug fixes.

Release versions and detailed information available at:
https://github.com/veloce/lichobile/releases