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Subject: Re: ProDeo: what is Chess Knowledge?

Author: Albert Silver

Date: 07:28:33 08/12/04

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On August 12, 2004 at 02:34:46, Ed Schröder wrote:

>On August 12, 2004 at 01:38:58, Telmo C. Escobar wrote:
>
>>
>> I have observed that the main personality (Rebel.eng) has a line that reads
>>
>>[Chess Knowledge = 100]
>>
>>while the Karpov.eng personality has
>>
>>[Chess Knowledge = 250]
>>
>>instead. What does this parameter do?
>>
>>
>>  Telmo
>
>
>http://www.rebel.nl/personal.htm
>
>Ed


Thanks again, and interesting. You mentioned in the descriptions the various
advantages of higher settings for some of the parameters, notably the Chess
Knowledge. Aside from the King Safety, I take it that you now believe the
default values are still best.

A number of the settings aren't clear to me all the same. At least the
differences between them. There are a number of parameters linked to attacking,
such as Attack, King Safety, and Attractiveness. The difference between them is
very unclear to me.

Another point is the selectivity of the search. I see Selective Search = 100,
and below a group of settings called Adjusted Selectivity (turned off, but
still). There's also the setting of Search Technique. I noticed in the 10.5
description a Deep, Deepest, etc. In PD it is Null Move. I take it that they
turned out to be less efficient?

                                       Albert

P.S. In the position with 1.e5!, wasn't it Spassky who played that move, and not
Capablanca?




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