On line computer chess is one of the most popular Internet activities. Millions of people around the world play chess on line every day. There are many different ways to play computer chess on line.

Some people play in tournaments. These tournaments are usually run by computers. The computers control the games, and the players can only make moves that the computers allow.

Other people play against other people on line. This can be done in a number of ways. Some people use special software that allows them to play against each other. Others use websites that allow people to …