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Subject: Re: YARMOQ! Yet Another Root Move Ordering Question

Author: Ulrich Tuerke

Date: 13:07:21 05/03/01

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On May 03, 2001 at 16:02:34, Dann Corbit wrote:

>On May 03, 2001 at 15:38:44, Dann Corbit wrote:
>
>>What is the target percentage for getting the first move right?
>>90%? <<this is pretty much a minumum goal, isn't it?>>
>>95%?
>>99%?
>>Besides node counts for the move in question, what other schemes have been
>>tried. (time spent analyzing the move in question is obviously an equivalent to
>>node counts).
>
>From the mega-thread below, I percieve that there is one other way to do move
>ordering that is commonly tried: an estimate of the score.
>
>So... How does one arrive at this estimate -- have an alpha/beta/gamma where
>gamma is returned by the function?
>
>Is there any method besides:
>1.  Node counts/time spent
>2.  Estimate of goodness {with a magical incantation to achieve it}
>
>>What about the very first pass?  How important is ordering _before_ you have any
>>sort of node count, and what do you use to order before anything has been
>>searched?
>
>OK, on the 1st pass thingy -- GCP's response shows me how silly I was even to
>ask.

Hi Dann, I've already tried to describe what I am doing

http://www.icdchess.com/forums/1/message.shtml?167734



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