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Subject: Re: Queen-side castling - problem for chess programs?

Author: Günther Simon

Date: 09:55:47 02/19/01

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On February 19, 2001 at 11:34:22, Robert Hyatt wrote:

>On February 19, 2001 at 11:17:52, Chuck wrote:
>
>>On February 19, 2001 at 11:12:37, Christophe Theron wrote:
>>
>>>On February 19, 2001 at 07:44:30, John Wentworth wrote:
>>>
>>>>This is just an observance and may be completely wrong, but it seems that when a
>>>>program castles Queen side his chances of losing go up by a lot. Every time I
>>>>see a program do this, I say to myself he's going to lose and I bet more than
>>>>60% of the time he does. This may be a problem with humans vs humans as well, I
>>>>don't know. Anyone else notice this?
>>>
>>>
>>>I think you are right.
>>>
>>>
>>>    Christophe
>>
>>I wonder if this a problem with queen-side castling or castling opposite (one
>>side castled short, one castled long)?
>>
>>Chuck
>
>
>It is a problem of the following:
>
>1.  not recognizing king safety and the danger of a pawn storm until it is
>too late;
>
>2.  not knowing how to attack the opponent, because when you castle to opposite
>sides, it becomes a race to see who draws the first blood.  If you don't know
>how to break the position open (and I have not seen any programs do this very
>well) then while the program fiddles, Rome burns.
>
>3.  castling opposite is a direct challenge.  Quite often the human will have
>his pieces positioned to support his attack, while the program's pieces are
>positions improperly to attack or defend.  The time lost repositioning them
>leads to trouble.

Do you mean that yet no program evaluates king safety in a long castled
position?

Günther



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