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About lichess.org

Lichess is an open source chess server built by the international chess community and ran by volunteers.

We have a code of honour, a covenant. These are immutable promises:

lichess.org will always be free

Everyone gets unlimited access to all features for free. This is not "freemium", there are no premium accounts. Chess has always been free and accessible to everybody, not only credit card holders. So is lichess.

lichess.org will never contain advertisements

Advertisements bring shame and dishonor to all websites using them. They are an insult to our intelligence. On lichess.org, we'll never sell your screen, bandwidth, and brain to advertising companies. We don't need ads. Nobody needs them.

lichess.org will always be open source

The entire source code is available for all to read, modify, and reuse. Just like Linux, reddit, wikipedia, firefox and chromium, we believe it's the only way to build great software.