Author: Uri Blass
Date: 11:08:07 04/04/01
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On April 04, 2001 at 13:42:55, John Merlino wrote: >On April 04, 2001 at 05:52:17, Rainer Neuhäusler wrote: > >>Who fixed the standard settings of the CM8000? And ist it the strongest setting >>in the opinion of J. de Koning and J. Merlino ? >> >>Perhaps this could be simple questions to J. Merlino. >> >>Rainer > >The settings for the Chessmaster personality are believed to be the strongest >FOR ALL TIME CONTROLS AND ALL HARDWARE CONFIGURATIONS -- this last part is VERY >IMPORTANT to remember! CM8000's minimum spec machine is a PII-233 with only 48MB >of RAM. This is why the default personality only has a 1MB hash table. If >(knowledgable) users want to increase the strength for their hardware or >personal needs, then they can easily do so. The default personality is designed >for our default user, which is IN NO WAY representative of the typical member of >this board. > >The ONLY personality setting that MIGHT improve play UNDER CERTAIN GAME >SITUATIONS with modification (other than the increasing the hash table size, >obviously) would be the "Selective Search" value. But, a value of 6 is best for >ALL time controls. I promise you, if you play a blitz tournament on a PII-233 >with one personality being the default and the other having a 32MB hash table >with SS=12, the default one will be stronger. > >People have confused the idea of strongest OVERALL with strongest FOR TOURNAMENT >TIME CONTROLS. These two are not NECESSARILY the same (although they might be -- >nobody has proved anything either way). > >Not only that, the SS setting is now even in doubt, as some people have recently >posted personalities that they feel are the strongest that only have SS=8. So, >in other words, there's absolutely no proof that the default settings (apart >from the hash table size) are not the strongest for tournament time controls. > >jm Without testing chessmaster I am almost sure that the best setting is unknown. There are many parameters and finding the best numbers seems to me to be an impossible task. Uri
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