The best chess server is free for all, open source, and without ads!.
Play chess with a friend, with a random player or with the computer.
It is free. You don't have to register. There are no ads.
Lichess lets you focus on the game by removing all clutter.
Two-player games between humans
Single-player (versus the artificial intelligence, Crafty)
time controls for chess clocks, including Fischer time settings
User-defined restriction of who can join games, based on player rating
Chess960, also known as fischer random, chess variant
Premoves
moretime()
Castling, en passant, and pawn promotion and under-promotion
Detection of check, checkmate, and stalemate
Threefold repetition draw recording (must be claimed by player)
Integrated chat
Visual move validation while choosing destination squares
Game replay and analysis
Spectator mode
Per-game export in portable game notation
Database export of information about all games played by a given person as comma-separated values (CSV)
Translated to fifty languages
Works in any Internet browser (except IE6/IE7), with no Flash and no plugins.
You can Follow the below Step By Step procedure to install the lichess.org Chrome Extension to your Chrome Web browser.
It is the lichess.org Chrome extension download link you can download and install Chrome Browser.
Tags: Fischer Random Chess , Game Export , Player Games , Artificial Intelligence , Play Chess , Portable Game Notation , Threefold Repetition Draw , Lichess Lets , Open Source , Ie6 Ie7 , Fischer Time , Visual Move Validation , Random Player , Chess Server , Check Checkmate ,
Calculates and finds best move in Lichess during the game
Start focus on playing chess again and let this extension remove everything that could harm the experience.
Flip the direction of the knights on lichess.org
Lichess clock and moves speaker
Warns lichess.org players when they are low on time with an audio sample
Overlay co-ordinates on each square on lichess.com
Replace Chrome new tab page by Lichess TV, yourating & other usefull stuff
Move pieces while drawing arrows
Opens PGN of a game from chess.com or chessgames.com in lichess.org analysis
Use voice control to play Lichess games!