Author: Dann Corbit
Date: 14:36:22 10/06/05
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On October 06, 2005 at 17:28:04, Maurizio De Leo wrote: >Lately I have seen a lot of suggestion for "tweaking" engines. >First there were the Chessmaster and Rebel personalities, then Dr. Wael Deeb and >Sandro Necchi proposed a couple of Shredder settings, and lately even Uri >suggested some option for increasing the strenght of Fruit. > >My question is: are these settings really useful as long as playing strenght is >concerned ? I am sure they are useful for changing the play style or enhance the >aggressiveness (like with the different ChessTiger "levels")...but recent CEGT >test seems to indicate that they don't have a big effect on ELO. > >http://www.husvankempen.de/nunn/ranglisteall.html > >Shredder 9 eccentric seems to be weaker or at most at the same level as default. >Even for CM (with dozens of personalities and hundreds of tests, starting from >CM8000) the most tested settings are still in a confidence range overlapping the >confidence range of the default. Realistically the improvement will be under 30 >elo. > >So....do you think that different setting can be useful for development of >engines or they are just another way to have fun with computer chess ? The authors of the engines will have spent a lot of time trying to find optimal settings. But you might be able to beat it. So some people make a hobby of it. The CM fans seem to have the largest stable of settings freaks, for whatever reason. The open source program Beowulf has a large number of user-settable parameters.
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