Material on chess variants: games that are a variant of chess, e.g., Japanese chess, historic variants, bughouse, etc.
3D Chess Federation
Offers information about various types of three-dimensional chess.
Martian Chess (Jetan) (4)
Explore Jetan, the version of Martian Chess invented by Edgar Rice Burroughs in one of his Barsroom book series, The Chessmen of Mars. Sites offer the legend, game rules, and moves in the strategy game which represents the war between the yellow and black races of Martians.
Multi player game for 2-6 people.
Quadlevel 3D Chess
Allows user to watch and participate in quad level chess games.
Explains the rules of chess on a board with 66 squares.
An opportunity to examine the dimensions of chess.