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Subject: Re: check this position too! - a minor modification with major consequen

Author: Uri Blass

Date: 03:42:47 02/12/04

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On February 12, 2004 at 06:16:53, Daniel Clausen wrote:

>On February 12, 2004 at 06:03:37, Uri Blass wrote:
>
>[snip]
>
>>The main point is that programs should not evaluate unclear position as winning.
>>
>>Black has a big advantage without capturing the pawn so there is no reason to
>>capture h3 and get unclear pawn endgame.
>>
>>evaluating Rxh3 Rh2 as a win for white without search is a msitake but
>>evaluating it as a win for black is also a mistake that cause Crafty to miss a
>>simple win by not capturing the pawn.
>
>And again I'm reminded of the posts some months ago, in which someone suggested
>to have some kind of an uncertainty-value together with a score. In this case,
>the machine could decide that it's better to play a move with score +1 (5%
>uncertainty) than a move with score +2 (70% uncertainty).

No

score should consider the uncertianty inside of it.
The score is in pawns but can be also translated to an expected result.

Uri



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