Dingux Chess uses the GNU Chess version 5.07 for the Artificial Intelligence.

Changes:

– Add skin selector feature (see README)
– Add chess piece skins from NinJato
– Bug fix (memory corruption)

http://zx81.zx81.free.fr/serendipity/index.php?/archives/410-Dingux-Chess-Chess-game-for-Dingux-v1.1.1.html