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Caissa's Web Online Chess

Caissa the Online Chess Muse

Play Chess at Caissa's Web!

Caissa's Web is a free online chess server offering both live (real-time) and correspondence (turn-based) chess using only a web browser — no software to download. We also offer live iPhone chess play, chess videos, online chess tools, Chess960 games, and a chess encyclopedia.

The new is launching! Very soon the test site will become the default destination when you visit, and all registrations and subscriptions will take place there. This site will continue to be available, and both sites will operate in parallel for some time to allow players to finish current games and acclimate to the new interface.

If you have not yet visited the new site, please do so at the link below. We need as many people as possible to test the new interface so the transition will be as smooth as possible. Please note that any games you play on the new site right now are temporary and will not affect your ratings or statistics. Beta Site

33 recently completed games. Click on a board to see the full game.

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Use the Java setting for full access to all features including live games and chat rooms.

Use Non-Java if your system doesn't support Java or you only want to play correspondence games.

If you don't select either option, your interface will be determined by your saved configuration.