Author: blass uri
Date: 21:43:51 01/10/99
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On January 10, 1999 at 17:52:47, KarinsDad wrote: >On January 10, 1999 at 13:57:19, blass uri wrote: > >[snip] > >> >>I know that the loser is always losing by doing a mistake but the point is that >>kasparov did mistakes that he usually does not do. > >How often does Kasparov make a mistake that nobody catches? Probably quite >often, but of very minor consequence. The reason is there are very few >individuals (and programs) that could analyze to the level that they would catch >something that Kasparov does not catch over the board. > >Any minor mistake that Kasparov makes is fair game for a program as powerful as >Deep Blue to capitalize on. Even if only in an extremely minor manner. > >> >>Resigning in a draw position is not a mistake that kasparov did in the past. > >Except that Kasparov changed his tactics based on the fact that he was playing >Deep Blue. That worked in the first match, but failed in the second. Presumably, >the Deep Blue team learned something from the first match. > >Humans make mistakes for different reasons than computers. Humans make mistakes >because they are tired, low blood sugar, emotional considerations, >mis-calculations, and not truly understanding the position. Computers only make >mistakes because their algoritms did not truly understand the position and all >of it's implications. > >Kasparov lost because he thought he was lost and could not swindle the computer. >If he had been in that same position against another human, his thought >processes may have been different and he may have thought that he could have >played on. His mistake was not just in not seeing the draw, but rather also in >assuming that if he himself could not make a mistake in his analysis and that >the computer would not miss the win. He made a typical mistake that humans make >against computers. He thought that within a given position, the computer would >be infallible in winning. > >> >>Going to a line that he was not ready to go to is not a mistake that humans >>usually do. > >Humans do this all of the time, the instant they get out of their own book (or >at the GM level, when their opponent plays a theoretical novelty). If not at >move 5, at move 10, or at move 15, or whereever. In the last game kasparov simply replaced the order of moves. He played a line that he recommended not to play in his book. This is not something that he does all the time. Uri
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