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Lichess is a free/libre open-source chess application run by volunteers and donations.
Today, Lichess users play over 5 million games every day. Lichess is one of the most popular chess websites in the world and is 100% free.

Currently, the following features are available:
- Play real-time or correspondence chess- Arena tournament play
- Compete against online bots
- Solve various themed chess puzzles online or offline
- Race against time in Puzzle Storm
- Analyze games locally or on the server using the latest Stockfish.
- Board editor
.