Knight Maneuver - A mini chess game
Perfect Circle - Test your designer skills!
Storm Chess - Exciting and immersive game played right in a browser
Chessmaster - Chessmaster is a chess playing computer game series which is now owned and developed by Ubisoft.
Chesscademy - A fun and free way to learn chess.
The Kilobyte's Gambit - Try beating 1024 bytes of Javascript