chessx software package provides chess database, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install chessx
chessx is installed in your system.
Make ensure the chessx package were installed using the commands given below,
$ sudo dpkg-query -l | grep chessx *
You will get with chessx package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Games |
| Package | chessx |
| Version | 1.2.2-1 |
| Description | chess database |
| Sub Section | Games |