To begin with the POSTIVEN: The program is incredibly strong. If you order followed live games of grandmasters, it discovered practically every little mistake. Also, the program plays - on request - very human. So far everything well. BUT: The program is even on my really very powerful computer (i7, 16GB RAM etc) always in the game the error message "no feedback" and hangs. Then sometimes it takes up to 5 minutes until it goes on. The CPU utilization is only 18%. The problem is apparently due to the user interface of Deep Fritz 14th (See also there a few bad reviews.