Author: Dann Corbit
Date: 10:41:30 08/15/03
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On August 15, 2003 at 00:18:49, Ricardo Gibert wrote: >On August 14, 2003 at 23:54:08, Dann Corbit wrote: > >>On August 14, 2003 at 22:40:04, Ricardo Gibert wrote: >> >>>If doubling NPS (all else being equal) produces a roughly 40 to 75 elo strength >>>increase, then doubling knowledge produces how much elo strength increase? >> >>How do you measure doubling of knowledge? I doubt if anyone can measure it. > > >Look up information theory on the web. What will that do for me? > Also, you might find it helpful to >consider EGTBs a model for all of chess. Every study I have seen shows that EGTB's do not make chess programs play any stronger. By that measure, information has no value. >>>Or do increases in knowledge follow a completely different type of relationship >>>to playing stength? >>> >>>What impact on NPS does a doubling of knowledge have? I know it slows it down, >>>but what is the relationship (a rule of thumb) between the 2? It is said that >>>adding knowldege in hardware does not exact a speed penalty, but can this really >>>be true? Or is the speed penalty simply less apparent? >> >>It may be possible to double knowledge and NPS at the same time. > > >By knowledge I meant chess knowledge as it pertains to evaluation. Another type >of chess knowledge is that pertaining to move ordering. Also, non-chess >knowledge to increase the efficiency of a program is another type knowledge and >the one the one you appear to allude to. All of these I think they need to be >considered separately. However, the one I'm most interested in is the knowledge >used in evaluation. Yet another type of knowledge is search depth. So I don't think it is possible to separate the two cleanly. > >> >>>How much attention should a programmer give to lowering the EBF of his program >>>versus adding more knowledge? >> >>Just pick a single move. EBF is one. In other words, any reduction in EBF >>must be smart or it may do more harm than good. > > >Which is one of the reasons why I asked, "How much attention should a programmer >give to lowering the EBF of his program versus adding more knowledge?" I think >it is possible to answer my question a little bit intelligently ;-) That would require a more intelligent person than myself. >>>I'm curious about the different opinions programmers have on this topic. My >>>assumption is the answers to these questions can have a big impact on computer >>>chess program design.
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