Ataxx rules =========== Ataxx is played by two players using two-colored discs on an n x n board. A move consists of either cloning a disc or jumping. Cloning creates a new disc in maximum-norm distance 1 from a disc which is already on the board. A disc can also jump to a location in maximum-norm distance 2. Illustration: X - original disc location J - jump locations C - clone locations JJJJJ JCCCJ JCXCJ JCCCJ JJJJJ After cloning or jumping opponent's disc adjacent to the target location are flipped. The game ends when neither player has a move, a position has been repeated three times, or 50 reversible moves (jumps) have been played in a row. In all cases the score of the game is the current disc differential. If a player has no legal move he must pass. Random starting positions are generated by blocking a number of randomly chosen squares.