Alternative themes, spectate through Lichess TV

Lichess is the most complete chess experience, with a simple interface that focuses on the game, a massive array of game related tools and a huge, worldwide community.

The Lichess covenant:

    lichess.org will always be free.
    lichess.org will never contain advertisements.
    lichess.org will always be open source.

FEATURES

    Two-player games between humans
    Single-player games (versus Stockfish, the most powerful open-source engine)
    Spectator mode
    Premoves
    Support for moretime()
    Resignation and draw offers
    Ability to abort uninitiated games
    Ability to force resignation
    &#39;Arena&#39; style tournament feature

Customization

    Time controls for chess clocks, including Fischer delay
    Optional Black and White player randomization
    Ability to request a player to take back a move
    Support for variants: Chess960, King of the Hill, Three-check Chess, Atomic chess, Antichess, Horde chess
    User-defined restriction of who can join games, based on player rating
    Board editor to set up and practice positions against players or people.

Learning

    Opening puzzles to learn good continuations
    Tactics puzzles
    Coordinate trainer to train the locating of chess squares
    Curated library of publicly available chess videos
    PGN import and ability to load positions from FEN

Technology

    Mobile app for iOS and Android
    Works in any modern web browser (except Internet Explorer 8 and lesser versions), with no plugins such as Flash or Java needed
    Availability in over 80 languages
    Ability to toggle the overall theme of the website between black and white
    Basic chess set and background theme switching
    Ability to invite friends to a game via unique links created for every game
    Optional username and password registration
    Option for users to close their accounts

Lichess

Online

Android

iPhone

iPad

The complete chess experience, play and compete with friends and others around the world.

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Apps with 'Study Mode' feature

Lichess

Quizlet