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Subject: Re: Fine tuning the engine's strength

Author: John Coffey

Date: 16:20:39 07/24/00

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On July 24, 2000 at 15:04:54, blass uri wrote:

>On July 24, 2000 at 13:30:06, Jari Huikari wrote:
>
>>On July 24, 2000 at 13:01:36, John Coffey wrote:
>>
>>>Only slightly related to the GUI is having a range of abilities from beginner
>>>up to the top level that can be fine tuned.
>>
>>>I tried it on Chessmaster 6000, all the levels 1600 and below were dropping
>>>pieces, and the next level up was smashing me at speed chess (my quick rating
>>>is 1978.)
>
>I disagree.
>I think that chessmaster6000 has all the range of abilities.
>
>I think that if the difference between the rating of 2 personalities is less
>than 200 elo then the difference between the playing level of them is not very
>big and there is no situation when the weaker personality has no chance against
>you and you have no chance against the stonger one.
>
>Uri


It is has been a long time since I tried Chessmaster 6000, but my experience
with it was totally different than yours.  I was playing it on a Pentium III
450, and the personalities up to about 1500 to 1600 would make some really gross
blunders.  On a weaker computer I noticed that these same personalities were 200
to 300 lower rated.  When I tried the personality that was around
the 1600 to 1700 range, all of a sudden I was getting punished pretty good.  To
me there appeared to be a huge difference between this
level which didn't appear to make any tactical mistakes and the level beneath it
which did drop pieces frequently.

I sold my copy of Chessmaster 6000 because I didn't like it compared with Fritz.
 Otherwise I would try to find out what those personalites were called.

I signed up to do the rating test for Chessmaster 8000.  Here I noticed the
same type of thing.  There were 5 personalities that appeared to be near
random move generators (to various degrees) and one personality that seemed
to make no tactical errors (although positionally it was suspect.)


john coffey



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