A Nine Men's Morris VariantAlignment type game with alignment inhibiting means , United States Patent 4579347Abstract: A game board apparatus (10) comprising a plurality of playing pieces (12), and a game board (11) wherein the game board has a number x of diminishing diameter geometrical configurations (14) in the form of squares (15) formed from and attached to one another by solid (17) and broken (16) lines that delineate the movement of the playing pieces (12) on the game board (11). - BoardGameGeek