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Subject: Re: Positional Test(analysis by yace only material)

Author: Chris Hull

Date: 16:35:21 12/10/02

Go up one level in this thread


On December 10, 2002 at 19:20:46, Bob Durrett wrote:

>On December 10, 2002 at 18:12:54, Laurence Chen wrote:
>
>>On December 10, 2002 at 17:50:41, Uri Blass wrote:
>>
>>>On December 10, 2002 at 17:43:35, Ingo Lindam wrote:
>>>
>>>>On December 10, 2002 at 17:04:07, Uri Blass wrote:
>>>>
<snip...>
>>>>
>>>>It shouldn't be surprising that a position offering a positional advantage
>>>>contains also tactical possibilities... and also a tactical proof of the
>>>>advantage if one is just able to look deep enough into the position/searchtree
>>>>to find that proof, should it?
>>>>
>>>>I guess it doesn't surprise you, Uri.
>>>>
>>>>Internette Gruesse,
>>>>Ingo
>>>
>>>Of course it does not surprise me
>>>
>>>I expected this and I did the analysis to contradict the claim that the position
>>>has no tactics
>>>
>>>Yace kept the advantage also ar depth 14
>>>
>>>1.e5 c6 2.dxc6 bxc6 3.Be4 Bb7 4.Ndb5 f5 5.exf6 Nxf6 6.Bf3 g6 7.Nxa7 d5 8.cxd5
>>>cxd5
>>>  ±  (0.80)   Depth: 14   00:25:12  865117kN
>>>
>>>I guess that longer analysis can prove that white wins more material.
>>>
>>>Uri
>>I believe that the person who was making the posts about Space advantage failed
>>to understand that chess is 95% tactics and any temporary positional advantages,
>>such as Space, will disappear if not converted into more permanent positional
>>advantage.
>
>Maybe what is needed is for someone to make up a position which contains one of
>those "more permanent positional advantages."  What would such a position look
>like????????  What are the "more permanent positional advantages," anyway?
>
>The question would then be whether or not the engines correctly evaluated such
>"more permanent positional advantages."
>
>Bob D.
>

Exactly.

To follow up Bob comments, What makes up a positional advantage?  How do
evaluate it?  What positions are good tests of our positional evaluations
functions?

Chris

>
>>
>>Laurence



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