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Subject: Re: What kind of knowledge is not in chessprograms?

Author: Peter Berger

Date: 11:46:44 01/16/02

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On January 16, 2002 at 13:39:13, Aaron Tay wrote:

>On January 16, 2002 at 13:17:08, Severi Salminen wrote:
>
>>>Not sure what you mean by "understand" but I recall seeing many Winboard chess
>>>engines play b4 and follow up with b5 in QGD positons when out of book.
>>>
>>>I suppose some sort knowledge based on the pawn chain/structure would be
>>>sufficent..And once b4,b5 is played the rest would be handled automatically by
>>>search, bonus/penalties for backward,isolated pawns?
>>
>>Well, Requiem doesn't know anything about minority/majority attack, opposition,
>>weak/strong bishops, but still it sometimes seems to understand those aspects.
>>Requiem pushes many times pawns even without any knowledge. So unless you see
>>source codes, you can't possibly know what the program actually evaluates. You
>>are right: fast search makes many evaluation terms obsolete, IMHO.
>>
>>
>>Severi
>
>Which leads me back to what i said. "Understand" is a rather vague term. There
>might not be a specific "knowledge" about minority attack (whatever that means)
>but if the program plays as if it understands due to a combination of other
>factors, , who are we to judge whether it has or does not have that knowledge?

If I find the time I will post/create a few test positions - pushing b4,b5 isn't
everything.

Regards,
pete





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