@startuml Tournament System title Tournament System - Group 1 class Match { *match_id: Integer Tournament Teams Scores Winner } class Team { *team_id Name Tournaments Players Matches } class Player { *player_id Name } class Tournament { *tournament_id Name Banner Image Start-time End-time Teams } class Administrator { *admin_id Name Email Manager-status } Team "2..*" -> "1..*" Tournament : "Plays in" Tournament "1" --> "1..*" Match : contains Player "1..*" --> "1..1" Team : "Belongs to" Team "2..2" --> "1..*" Match : "Competes in" @enduml