Lichess

Also known as lichess.org

Lichess (, ) is an Internet chess server that is free and open-source, run by a non-profit organization of the same name. Users of the site can play online chess anonymously and optionally register an account to play games to earn a rating on Lichess. Lichess is ad-free and all the features are available for free, as the site is funded by donations from patrons, who receive a special badge as thanks for their support. Features include chess puzzles, computer analysis, tournaments and chess variants.

Key facts

Website.name: Lichess
Website.logo: Lichess Logo 2019.svg
Website.logo_caption: Official Logo of Lichess since 2019: a stylized knight
Website.screenshot: Lichess homepage.png
Website.screenshot_alt: Home page of Lichess
Website.collapsible: yes
Website.type: Internet chess server
Website.language: English, others
Website.author: Thibault Duplessis
Website.advertising: No
Website.commercial: No
Website.registration: Optional

~12 min read

Article

15 sections

Contents

History
Tournaments and events
Titled Arenas
Saint Louis Chess Club
Miscellaneous
Lichess 4545 League
Features
Gameplay, ratings and variants
Training and analysis
Puzzles
Gallery
See also
Notes
References
External links

== History == thumb|upright=1.2|alt=Thibault Duplessis|Founder Thibault Duplessis in 2021 Lichess was founded in 2010 by French programmer Thibault Duplessis. The software running Lichess and the design are mostly open source under the AGPL license and other free and non-free licenses. The name Lichess is a "combination of live/light/libre and chess".