Siegbert Tarrasch
Definition.com
Chess is not a game you have to play well; it’s enough to play better than your opponent.
Definition.com
Chess is a game in which it is not enough to be a good player... you must also play well
Definition.com
Chess is a terrible game. If you have no center, your opponent has a freer position. If you do have a center, then you really have something to worry about!