Chess is a sport because in a sport there are 2+ players who play and in Chess there are 2 players who play.
Chess and Poker are the best games to play on Internet. You can find number of online players of chess and poker on Internet.
Professional chess players play a wide venue ~ see related link below .
4, as proven by Sheldon Cooper.
Technically, no, since rooks aren't alive, unless you are talking about rookie players. However, you USE the rooks in ORDER to play chess. (I am referring to the chess pieces, not the Rookie players.)
2
You can learn the rules of chess and how to play the game at the related link below which has a number of tutorials on how to play chess .
Many chess players enjoy a friendly game of chess where they can test their skills against another opponent .
To play a proper game of Chess , the players need to be acquainted with the rules of the game ~ see related link below .
2 if your asking how many at a time.
There are a number of chess site where you can play chess with another opponent such as Yahoo Games .
Two people play the game of Chess, they would not constitute a group, however if there was several poeple playing several games in the same place that would be a group of chess players.