lichess • Free Online Chess 对比 Chessable - Learn chess online 的使用情况和统计数据

Built for the love of chess, this app is open source and free for all. - 150 000 individual users daily and growing fast. - Play bullet, blitz, classical, and correspondence chess - Play in arena tournaments - Find, follow, challenge players - See your games stats - Practice with chess puzzles - Many variants, available online and offline: Crazyhouse, Chess 960, King Of The Hill, Three-check, Antichess, Atomic chess, Horde, Racing Kings - Game analysis with local computer evaluation - Server computer analysis with move annotations and game summary - Unlimited opening explorer - Endgame tablebase explorer - Play with offline computer - Over The Board mode to play offline with a friend - Standalone chess clock with multiple time settings - Board editor - Available in 80 languages - Designed for both phones and tablets, supporting landscape mode - 100% free, without ads, and opensource! Just like https://lichess.org, this application is open source and free software (GPL v3). It is entirely free and without ads, now and forever. Source code of the mobile application: https://github.com/veloce/lichobile Source code of the website and server: https://lichess.org/source