This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.
Bao has no written rulebook of record, and that absence is precisely why researchers in game theory and complexity theory keep returning to it. The rules of what specialists regard as the mancala family's most demanding form are preserved only through oral tradition, passed down among recognized bao masters, called bingwa or fundi in Swahili, across Zanzibar, coastal Tanzania and Kenya, the Comoros and neighbouring Swahili-speaking communities. Each player controls two adjacent rows of eight pits on a board of thirty two, and the strategic depth that emerges from that simple layout is complex enough that a bao master commands genuine respect in Zanzibar and Tanzania specifically because the knowledge cannot simply be read off a page; it has to be learned from someone who already holds it.