/// <summary>
 /// Eliminate tournament challengers by eliminating "Group1" challengers and "Group2" challengers.
 /// When "Group" and "Group2" is eliminated; only 2 challengers are left. Each from each group.
 /// Then one of the two challengers win the tournament
 /// </summary>
 private void Eliminate()
 {
     Group1.Start();
     Group2.Start();
 }