Derived from Go.
Co-invented by Qibin Xu and Guoliang Cao.
The Daoqi board is continuous, in that the last line wraps around to the first line, for both horizontal and vertical lines. That is, there are no sides or corners.
For more information, search for archives of daoqigame.com (Website no longer active)
See also Unusual Gobans (toroidal board)