lichess

Discover the joy of chess with the one free/libre open-source online and offline chess game that's built purely out of a passion for the game. This app, which is completely open source and free for everyone, is rapidly gaining popularity, with over 150,000 individual users logging in daily.

Whether you prefer the fast-paced thrill of bullet chess or the strategic depth of classical games, you can enjoy a variety of play styles including blitz and correspondence chess. Dive into the competitive spirit with arena tournaments, where you can find, follow, and challenge players from around the world. Keep track of your performance with detailed game stats and hone your skills with engaging chess puzzles.

Explore numerous chess variants both online and offline, such as Crazyhouse, Chess 960, King Of The Hill, Three-check, Antichess, Atomic chess, Horde, and Racing Kings. Enhance your understanding of the game with in-depth game analysis using local computer evaluation, and delve even deeper with server computer analysis that provides move annotations and a comprehensive game summary.

With an unlimited opening explorer and an endgame tablebase explorer at your fingertips, you can study and improve your chess strategy at any level. Whether you're playing against the offline computer or enjoying an over-the-board session with a friend, this app has you covered. It also features a standalone chess clock with multiple time settings and a board editor for creating custom setups.

Available in 80 languages and designed for both phones and tablets with support for landscape mode, this app ensures a seamless chess experience no matter where you are or what device you use. And the best part? It's 100% free, without any ads, and open-source!

Much like lichess.org, this application is open source and free software under the GPL v3 license. It promises to remain entirely free and ad-free, now and forever. For those interested in the technology behind it, the source code for the mobile application is available at GitHub, and the source code for the website and server can be found at lichess.org/source.

What's New in the Latest Version 8.0.0

Last updated on Dec 10, 2022, the application is continuously enhanced with new features, improvements, and bug fixes. For detailed information on release versions, visit GitHub.