chessx software package provides chess database, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) 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 | Ubuntu 14 04 lts trusty tahr |
| Section | Games |
| Package | chessx |
| Version | 1.0.0-3 |
| Description | chess database |
| Sub Section | Games |