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Subject: Re: a test position from hiarcs-tiger

Author: Uri Blass

Date: 05:30:19 09/27/00

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On September 27, 2000 at 08:02:02, Mogens Larsen wrote:

>On September 27, 2000 at 05:53:59, Uri Blass wrote:
>
>>Here is the final position of the pv
>>
>>[D]1q5k/p3K3/3r4/1Pp2Q1p/4R3/8/P3P3/8 b - - 0 1
>>
>>evaluation of programs at depth 1:
>>CometB20 1.61: pawns for black
>>Exchess3.14: 0.91 pawns for black
>>Junior5.9:0.79 pawns for black
>>crafty17.11:0.34 pawns for black
>>Fritz5.32:0.22 pawns for black
>>
>>Some programs like hiarcs or doctor can see mate by search (unfortunately I
>>cannot tell programs to use only evaluation)
>
>I get the following:
>
>New position
>1q5k/p3K3/3r4/1Pp2Q1p/4R3/8/P3P3/8 b - - 0 1
>
>Analysis by Gandalf 4.32f:
>
>1...Qc7+ 2.Kf8
>  =  (0.09)   Depth: 1   00:00:00
>1...Qd8+
>  =  (0.06)   Depth: 1   00:00:00
>1...Qd8+ 2.Kf7 Qg8+ 3.Ke7
>  ³  (-0.32)   Depth: 1   00:00:00
>1...Qd8+ 2.Kf7 Qg8+ 3.Ke7 Rh6

This is exactly the point of my post

programs cannot see at depth 1 that black has a big advantage.

Some programs like hiarcs or doctor can see mate by search even at depth 1 but I
think that it is important to see it by evaluation.

Uri



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