When I try to install glchess in Synaptic

I get this error 
At a certain time I installed the Gnome desktop and a lot of games that came with it and then uninstalled the games. Now I want chess back. When I downloaded the deb file and tried to install it in Gdebi I got a similar error: 
What should I change in repositories?
22 Answers
From your pastebin it looks very much like you have not got the updates repository enabled

Tick this option shown - the refresh your installation before install pyChess
sudo apt-get update && sudo apt-get upgrade 4sudo apt-get build-dep glchess 3