
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.
via Wikipedia infobox
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.
== 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".
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).