Pong Hau K'i
(Horseshoe, On-Moul-Kono, Sua Tok Tong, Do Guti, Well Kono)DLP Game   
PeriodModern
RegionEastern Asia
CategoryBoard, Space, Blocking
Description
Pong Hau K'i is a blocking game documented during the nineteenth century East Asia, but medieval graffiti suggests that it may be even older.
Rules
Pieces begin on opposite sides of the square. Players take turns moving the piece to an empty spot either orthogonally or diagonally, but one orthogonal direction is forbidden. The player who blocks the other player from being able to move wins.