Install goban-ss by entering the following commands in the terminal:
sudo apt update sudo apt install goban-ss
Description:
Goban screensaver
A version of cgoban (by Bill Shubert, aka wms on the go servers, see http://www.inetarena.com/~wms/comp/cgoban) modified to run as a screensaver. . Displays a full-screen board and plays games from SGF files picked at random.
Homepage: http://draves.org/goban/
Version: 1.1-5
Section: universe/x11