I am a big enthusiast of chess variants, and here are my favorites: English Progressive Chess Magnetic Chess Knight-Relay Chess Grand Chess Avalanche Chess Glinski Hexagonal Chess Fortress Chess
I've also developed an affinity for Ice Chess since it was added.
(hide) Do you keep losing on timeouts? Paying members can activate Automatic Vacation to automatically set vacation days when they would timeout. (pauloaguia) (show all tips)