http://support.chess.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=611
basically explains the system. Entry requirements vary per tournament, but they usually consist of a required timeout ratio (e.g. <5%) or games played. As a normal member you can join one tournament at a time.
thanks sleisl!
here are the full rules: http://www.chess.com/tournaments/help.html
actually, you can join as many official tournaments as you want, but only one member-created tournament at a time as a basic member.
you can upgrade here: www.chess.com/membership.html
enjoy and welcome!
i am new to this site and am wondering about the rules of your tournaments,
do you play at certain times ,are there any things i should know befor entering a tourn and ruining it for other entrants.