Author: Sandro Necchi
Date: 22:59:12 01/21/05
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On January 20, 2005 at 20:55:59, Dann Corbit wrote: >On January 20, 2005 at 20:38:30, Steve B wrote: > >>> >>>Your point is that computers will play beautiful chess when they play the way >>>that you think they should. >> >>no >>my point is what was interesting to the early pioneers in AI programming and the >>reason chess was chosen as a meaningful game to try to get a computer to play >>was to learn more about how humans think The difference is the following: 1. Humans They have not the possibility to analyse all the moves and the possible replies, so they make a sort of "guiding rules" based on experience to guide them selecting the moves and the plans to select the moves. So things like try to bring pieces into games or increase the development as much as possible or control the center and so on are considered while evaluating the moves and replies. Also when a good plan has been found humans may decide to use that one in that game without checking another one as that may would be a waste of energy and clock time. 2. Computers the power is use to "calculate" all possible moves and chess knowledge is used both to avoid investigating in weak variations and to chose the variations/replies that are best by assigning a score value based on chess knowledge and material gain. There are no experienced based rules, but only "optimized" score values based on experience and tests. Development or other "normal" important things used by humans are used only if their score is better than alternatives moves. They always try the best plan/moves sequences unless there are more than one with the same score. Conclusions: Computer are more "effective" than humans as they always play for the best (of their knowledge/strenght) and can play beautiful moves by being able to stay cool also in complicated positions. They are not "beautiful" in the meaning that they try the most spectacular variation/sequence of moves, but only the most effective one. So in some positions they can be quite beautiful finding very deep good defence moves or sequence of good moves. This means that it really depends on the position... I think computers still have something to learn from humans strong GM, but now they are also able to teach something too... Sandro
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