private void CFBUTTONAI_OnClick(object sender, RoutedEventArgs e)
        {
            TTT = null;
            TTTTimer.Stop();
            CFTimer.Stop();
            StartCF();

            CFTimer       = new DispatcherTimer();
            CFTimer.Tick += (_, __) =>
            {
                if (Paused)
                {
                    return;
                }
                try
                {
                    CF.DoBestMove();
                    CF.Draw();
                }
                catch
                {
                    //
                }
            };
            CFTimer.Interval = new TimeSpan(0, 0, 1);
            CFTimer.Start();
        }