how install polyglot ubuntu

ubuntu

polyglot

chess engine protocol adaptor, connects UCI engines to xboard
http://alpha.uhasselt.be/Research/Algebra/Toga/polyglot-release
Install sudo apt install polyglot
Description:

Common chess frontends have a winboard/xboard input interface, modern chess engines speak the UCI “universal chess interface” protocol. This protocol adaptor makes it possible to use standard chess frontends, like xboard or scid with UCI speaking engines and play chess against them.