With this special game you will be able to custom nearly all the parameters of the game.
You will be able to modify the table colour or change the perspective view of the table. In addition GNU Chess includes several difficulty level and you will be able to setup a time limit so you will know when the game is going to be finished.
And if you have to leave the game you can save and resume it later.
If you like chess but you dont find a friend to play with, install GNU Chess and you will improve your tactics more and more.