private void mniGridSuperBYE_Click(object sender, RoutedEventArgs e)
{
if (this.tournament != null && this.tournament.Rounds.Count > 0) return;
Player playerToEdit = this.dgPointsTable.SelectedItem as Player;
if (playerToEdit == null) return;
playerToEdit.SuperBYE = !playerToEdit.SuperBYE;
if (this.tournament != null) this.tournament.RefreshPointsTable();
}