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Subject: Re: Wrong

Author: Enrique Irazoqui

Date: 06:03:54 11/12/00

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On November 12, 2000 at 08:31:49, Paul Petersson wrote:

>On November 12, 2000 at 06:20:24, Enrique Irazoqui wrote:
>
>>On November 12, 2000 at 03:19:33, Uri Blass wrote:
>>
>>>On November 11, 2000 at 20:12:11, Bruce Moreland wrote:
>>>
>>>>
>>>>On November 11, 2000 at 18:33:52, Uri Blass wrote:
>>>>
>>>>>On November 11, 2000 at 18:20:25, Thorsten Czub wrote:
>>>>>
>>>>>>On November 11, 2000 at 14:36:02, Uri Blass wrote:
>>>>>>>I do not think that Hiarcs has big king attack scores relative to other
>>>>>>>programs.
>>>>>>>
>>>>>>>Uri
>>>>>>
>>>>>>wrong
>>>>>
>>>>>I think that your impression of bigger scores of hiarcs may be because of the
>>>>>fact that hiarcs has bigger scores in general than other programs.
>>>>>
>>>>>Here is an example that is not about king attack but about endgame:
>>>>>
>>>>>[D]8/2n4r/p1k1p3/PpPp1p2/1R1P1PpP/1P1R2P1/8/5K2 w - - 0 1
>>>>>
>>>>>This position is from one of the games between Fritz6a and Nemeth Eduard
>>>>>
>>>>>Fritz6a evaluated this dead draw as +2.94 for white and Hiarcs7.32 can see +4.39
>>>>>pawns for white.
>>>>>
>>>>>This is not because Fritz is smarter than Hiarcs but because of the fact that +2
>>>>>of Hiarcs is not identical to +2 of Fritz.
>>>>>
>>>>>Uri
>>>>
>>>>I see this all the time in games with my engine vs Crafty.  For example in some
>>>>drawn endings mine will say +2 and Crafty will say +1.
>>>>
>>>>Some engines contain a term that's supposed to induce them to trade down when
>>>>ahead material, I think.
>>>>
>>>>bruce
>>>
>>>I agree that it is one of the reasons for Hiarcs's bigger score but not the only
>>>reason.
>>>
>>>If black is a rook down in the initial position then hiarcs shows scores of
>>>+6.xx when other programs show scores that are close to +5.
>>>
>>>Uri
>>
>>For Hiarcs, the value of a pawn is 1.28 instead of the conventional 1.00.
>>
>>Enrique
>
>I know that this is true for the DOS versions, but I think this changed when
>Hiarcs became a Windows/ChessBase engine.
>
>Paul

Yes, you are right. I forgot about this.

Enrique



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