private void BtnClickBack(object sender, RoutedEventArgs e)
        {

            back.IsEnabled = false;

            HumanPlayer Player1 = new HumanPlayer();
            AllPlayers.Add(Player1);
            for (int i = 0; i <= 10; i++)
            {
                AiPlayer Ai = new AiPlayer();
                AllPlayers.Add(Ai);
            }

            timer.Start();
        }