Install eboard-extras-pack1 by entering the following commands in the terminal:
sudo apt update sudo apt install eboard-extras-pack1
Description:
additional piece sets and sounds for eboard (pack 1)
This is the first extras pack for eboard, a graphical chess program which can function as an interface to Internet chess servers such as FICS and to chess engines such as Crafty. It provides additional piece sets and sounds.
Homepage: http://www.bergo.eng.br/eboard/
Version: 2-3
Section: universe/games