Author: Marc Plum
Date: 06:07:26 05/17/98
I have been using the auto-annotation features in Fritz5, MChess Pro7.1, and CM5500 on a number of games, some of my own tournament games, master games, games played against the computer. Partly this is useful to check for tactical resources, but I have mainly been interested in insights into how the computer evaluates. When a human is annotating a game, he will use hindsight to correct his initial impressions as he goes. For example if he thinks a combination is unsound because of a particular defense, and then sees that defense fail because of a resource that he overlooked, he will adjust his notes accordingly. With CM5500 and MChess (which go through the move list forward), the notes would originally show the combination as bad, then abruptly switch to the opposite evaluation when the outcome becomes clear. Fritz 5 works through the move list backward, and it might almost seem that it is using hindsight of this kind, but I am not sure. The examples that I have so far are inconclusive. How difficult is it to program hindsight into an annotation program?
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