Mancala, played by the Kalah rules of William J. Champion's 1951 patent (US 2,720,362): six pits a side, counter-clockwise sowing, bonus turns and captures, on a 3D WebGL2 board with a search-based opponent. Includes the game-theoretic value of every small variant, solved from scratch by an independent solver and shown beside the published values. An independent reimplementation; not affiliated with any commercial Mancala or Kalah product.

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