Install knights by entering the following commands in the terminal:
sudo apt update sudo apt install knights
Description:
chess interface for the KDE Platform
Knights aims to be the ultimate chess resource on your computer. It's designed to be both friendly to new chess players and functional for Grand Masters. At the moment you can play either against other human or against the machine using an engine like gnuchess.
Homepage: http://kde-apps.org/content/show.php/Knights?content=122046
Version: 2.5.0-2build1
Section: universe/games