Author: Graham Banks
Date: 03:46:11 05/03/01
Go up one level in this thread
On May 03, 2001 at 06:26:19, Kurt Utzinger wrote: >You are right: The CM8_Utzinger is much better at longer time controls. > >But please again note my already at CCC published objection against playing >Chessmaster.CMP's against each other: > >You will have noticed that I do never play CM8_default vs CM8_Utzinger or >similar matches between the various CM8_personalities. It is my deepest >conviction that such trials are more or less a waste of time. At first I have >made this too but soon recognized that whatever settings are used vs other top >programs, the supposed best CM8_setting at a given time control had [like >CM8_default] not much chances against Junior6a or most other top programs. >Furthermore I have investigated about 150 test positions with six CM8_settings >[CM8 default, and 5 others, no Chessmaster.CMP already defined in CM8] only to >see that they all were close together. In any case: with these tests it was >simply not possible to define the best CM8_setting. And funny, Chessmaster_8000 >default took second/third place in these tests, the same CM8 which does not >succeed in the expected manner against other top programs. All these tests and >trials confirmed to me that it is somewhat useless to find the top CM8_setting >by let different CM8_personalities playing each other. And frankly spoken, who >in the chess world is interested in knowing that [let's say as an example] the >CM8_Titan [nothing against you Graham!] wins most of the time against any other >Chessmaster 8000 personality. Such a statement does not bring anything if the >same CM8_personality does not obtain fairly good results [at least 50 % is >required] against other top programs like ChessTiger14, Crafty, Fritz6, >GambitTiger2, Gandalf432h, Hiarcs732, Nimzo732, Shredder5 and so on. > >Kurt I beg to differ regarding the testing of settings against each other. Maybe over time I might change my opinion! The main thing to take into account when testing settings against each other is to use a variety of time controls. I would also like to know the opinions of some of the programmers on this issue, but I guess that many of them don't bother to read CM8 threads. Graham.
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