Author: blass uri
Date: 13:13:29 07/14/00
Go up one level in this thread
On July 14, 2000 at 15:51:31, Albert Silver wrote: >On July 13, 2000 at 17:05:46, Christophe Theron wrote: > >>On July 13, 2000 at 08:53:22, Jari Huikari wrote: >> >>>On July 12, 2000 at 14:02:16, Christophe Theron wrote: >>> >>>>Well you are right, but it is a proven fact that a K6-2 450MHz has much more >>>>chess knowledge than a 486dx2-66MHz has. >>> >>>>If you don't like the above idea and don't want to consider CPU speed as being >>>>part of the "knowledge", then your remark does not refute my definition... >>> >>>A good common definition for knowledge is hard to find. CPU speed is not >>>programmed into a chess program, which the original question was about. >>> >>>Knowledge IMHO is some piece of information somehow included into code. >>>Program knows something is good without having to do a deep search to >>>find it out. >>> Jari >> >> >>What you are saying here is that knowledge can only be found in the evaluation >>function. I think this is totally wrong. A lot of chess knowledge is in the >>search itself. >> >> >> Christophe > >Sort of. I agree that many decisions are determined by the search, and often, as >a player, I will work by process of elmination in order to play a move. In other >words (this is common practice) I will analyze moves and discard them until I >hit on the one that does the job. I may be able to then justify it by positional >rationalizations, but essentially, the decision came out of pure calculation. >While there is no question that the search (calculating) is a huge part of the >decision making process, I wouldn't call this knowledge. > > Albert Silver I think that you can learn about the evaluation based on the search and you can learn from your search to do the positional rationalizations for future positions. I think it is knowledge and the most important knowledge that humans have in chess and computer programs usually do not have. programs usually use a static evaluation function and do not learn to change their evaluation function based on previous search. Uri
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