Author: Bob Durrett
Date: 08:12:56 11/11/02
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On November 11, 2002 at 00:16:02, John Merlino wrote: >On November 10, 2002 at 20:15:01, Bob Durrett wrote: > >>On November 10, 2002 at 19:48:33, John Merlino wrote: >> >>>On November 10, 2002 at 19:33:35, Bob Durrett wrote: >>> >>>>Question: Is there any way to set the STRENGTH of the personality that you >>>>create? For example, can you make the engine, running with that personality, >>>>play at some specific performance rating level? Can playing strength be >>>>adjusted at all this way? >>>> >>>>Bob D. >>> >>>Strength (i.e. the rating of a personality) is defined by the settings. >> >>Does that mean I can create an ELO 1800 personality for CM which will always >>play at the ELO 1800 level? If so, does this mean that it would play all phases >>of the game [openings, middlegame, endgame, and transitions] at that performance >>level? > >Not at all. A personality's rating is just like a human rating -- it is an >estimate of OVERALL strength for the personality. There are no individual >settings that can tweak only certain phases of the game (except, of course, for >altering the opening book). So, each personality's rating is based on games vs >either other personalities, or vs rated humans, and all that was taken into >account was the results of those games. Although disappointed, I would nevertheless be satisfied if CM offered fully tested personalities complete with performance information. For example, if all of the personalities supplied by/with CM were to be put into a list, with the first personality having the highest "overall strength," then that might be OK provided that the measured overall strength were published. CM may not wish to publish anything that suggests that CM is not always "strong." However, the needs of amateur chess players would be served best by publishing that data. Perhaps settings not directly associated with "personality" might yeild an amateur performance level. Unfortunately, my experience with "dumbed-down" chess engines has been that they have terrible playing styles. Nobody would want to play against them because they do not play human-like moves and they can be defeated easily by anti-computer chess. Playing anti-computer chess is no fun except possibly for a computer chess programmer trying to study the software. Of course, computer chess programmers are rather odd anyway. : ) Bob D. > >>Similarly, can I create a dozen distinct personalities each of which will play >>at a different performance level? P(1)= 1600, P(2)= 1700, P(3)= 1800, >>etceteras? > >You can create as many personalities as you like, but what their ratings will be >will only be deduced through much testing against other personalities/humans. > >jm
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