fruit software package provides chess engine, to calculate chess moves, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fruit
fruit is installed in your system.
Make ensure the fruit package were installed using the commands given below,
$ sudo dpkg-query -l | grep fruit *
You will get with fruit package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Games |
| Package | fruit |
| Version | 2.1.dfsg-6 |
| Description | chess engine, to calculate chess moves |
| Sub Section | Games |