Che refers to the diagonal pattern of the "three" pip on the tile. Deng refers to the "one" pip on the tile.
See also: Tien Gow, Pai Gow, Gwat Pai
... 12.30% African American, 0.13% Native American, 6.05% Asian, 0.03% Pacific Islander, 4.94% from other races, and 2.91% from two or more races. 19.10% of the population ...