Author: Ryan B.
Date: 00:47:08 12/15/05
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On December 15, 2005 at 03:00:42, Stephen A. Boak wrote: >On December 15, 2005 at 02:35:39, Chrilly Donninger wrote: > >[..] > >>One example for the practical consequences can be found in Rybka: >>Probably a lot >>of users think, when they choose the personality "very positionally", that the >>programm has - in contrast to "very tactically" - more chess knowledge, that >>there is a trade-off between knowledge and search-speed. > >>In fact the 4 personality settings change 2 numbers. These numbers influence >>only the pruning/extension mechanism of the search tree. The "very tactical" >>settings prune less than the "very positional" one. I have not tested the >>differences in the playing styles, but from the theoretical considerations it >>should indeed influence the style. The terms "tactical, positional" are just >>labels. One has to give it a name. > >>The same is probably done in all other programms. E.g. an old Nimzo-version of >>mine had already such a setting. The personalities were called aggressive, >>solid.. These settings changed the shape of the tree in a similar way. Maybe >>Rybka is a Nimzo clone :-) >> >>Chrilly > >Dr. Donninger, > >I understand pedagogical style and humor in education, but I request some >clarification feedback, please. > >Recently (previously) you wrote: > >"There is the famous quote from Newton: I am dwarf standing on the shoulder on >giants. Its not possible and even not desirable to invent the whole wheel for >yourself. Making a somewhat rounder/better wheel is sufficient. In this broad >sense every programm would be a clone." > >Are you (in later posting, at top) claiming to be the dwarf or the giant? >Are you (in later posting, at top) using the word 'clone' in this broad sense? > >You also recently (previously) wrote: > >"Rybka has Bitboards. But thats mentioned in the Readme File. So I am telling >here no big news. > >But I really want to avoid to say some real internals. > >First of all I have not looked on all of Rybkas details. Would be much too much >work and also boring. > >I wanted just to have the big picture. And even if I would know something >important, I could/would not post it. > >This would be against the rules. > >Chrilly" > >Referring to your later posting (at top), and your recent (previous) posting, >quoted above: > >1) Have you changed your mind about disassembling another programmer's work and >speaking about "real internals"? > >2) Are you not speaking, in your opinion, about "something important"? > >3) Are you breaking "the rules"? > >Thanks in advance, >--Steve Finding variables modified by a UCI option is simple in assembly so I think most people would not be offended if they are not already offended that he disassembled the engine in the first place. Is he breaking a rule by disassembling Rybka? Probably but oh well I guess. If it's ok in his mind no one can stop him. Ryan
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