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Subject: Re: Immortal game? Qc7?! analyse by S8 (Be7!)

Author: Uri Blass

Date: 07:39:47 11/10/04

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On November 10, 2004 at 10:05:04, chandler yergin wrote:

>On November 10, 2004 at 06:21:14, Uri Blass wrote:
>
>>On November 09, 2004 at 20:44:14, chandler yergin wrote:
>>
>>>On November 09, 2004 at 17:53:34, Uri Blass wrote:
>>>
>>>>On November 09, 2004 at 17:10:02, Anthony Cozzie wrote:
>>>>
>>>>>You are missing the point, Chandler.
>>>>>
>>>>>You probably played through the game with Shredder 8 on.  At that point, it
>>>>>found that some of the positions it originally thought were good for black, were
>>>>>in fact good for white, and it recorded them.  You then returned to the initial
>>>>>position, and boom! it has learned from its mistakes.
>>>>>
>>>>>What is the difference you ask?  The point is that Shredder would not play those
>>>>>moves on its own, without help from a human, without a very long time to search.
>>>>>
>>>>>anthony
>>>>
>>>>Thanks,
>>>>Your explanation is better than my explanation and I hope that finally Chandler
>>>>will understand the point.
>>>>
>>>>Uri
>>>
>>>You all 'miss' my Point!
>>>and.. miss the capability of the Search Engine!
>>>CY
>>
>>We miss nothing
>
>You missed this, you're misleading,
>and obsessed with 'locking' the engine to a single variation!
>Show what the Engine is really analyzing!
>Many variations!
>
>
>>The capability of the search engine after learning is simply irrelevant for this
>>discussion.
>>
>>The discussion was about the question if engines can find the move in a game
>>without previous knowledge that humans give him from analysis.
>
>And.. they DO!
>Of course they do!
>That's what an Analysis Module Does!
>It finds ALL the Possible moves in a position, and evaluates each one.

Finding all the possible move and evaluating them does not mean finding
correctluy what is the best move and if an engine evaluates h5 as second best
then it did not find that h5 is the best.

The engine also evaluates all the moves even if you do not give it many lines.
It does not show you the analysis in that case but only the analysis of the best
move but it analyzes other moves to find that they are weaker.

>You know that! Or should!
>Don't tell us an engine doesn't or can't find a move!

It is a fact that engines do not find the move h5 in a short time in their
strongest setting that is with only one option
one option is the strongest setting because having an exact score for more that
one move usually make them slower and it is better for them to find only a bound
for the moves that are not the best in order to find that they are weaker.

The fact that using some options can help to get better analysis is irrelevant.

Uri



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