In matter of fact, you can check indeed every packages of chess: /home/user # dpkg -l | grep chess ii gnuchess 5.07-9osso1 Plays a game of chess, either against the us ii osso-chess-ui 1.8.3-1+0m5 Chess user interface ii osso-graphics-game-chess 1.4.2-1 OSSO graphics files for Chess ii osso-sounds-game-chess 5.6+0m5 OSSO sound files for Chess /home/user # my mistake, really, I don't know which package is right, however