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
... Church, Zwolle, Nov. 11, 1897. Thomas à Kempis belonged to the school of mystics who were scattered along the Rhine from Switzerland to Strasburg and Cologne ...