Author: Maurizio De Leo
Date: 14:28:04 10/06/05
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 ? Maurizio
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