two processes are confused in step 2 & 7, the registration process, during which
new users ( e.g., a player or a league owner) establish their identity, and the application process,
during which plyers indicate they want to take part in a sppecific tournament. During the
registration process, the user provides information about themselves (name, nickname, e-mail)
and their interests (types of games and tournaments they want to be informed about). The
information is validated by the operator. During the application process, players indicate which
tournament hey want toparticipate in. this is used by the league owner during match scheduling