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Subject: Re: negative extensions

Author: David Rasmussen

Date: 22:52:48 01/25/01

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On January 25, 2001 at 19:05:12, Robert Hyatt wrote:


>Think about it differently.  IE at ply=N, I play a move and I am
>about to do a normal search to depth=X to see how this move works.
>But first, I assume my opponent does nothing, and I then do a much
>shallower search with me to move again.  If this is bad for me, there
>is no need for me to search this move to the full depth, I can get away
>with searching it to the shallower depth, proven by the null-move observation...
>
>

It's still different from what I suggested. As Edward said:

>
>>
>>applying david's suggestion to a null move implementation would
>>mean reducing the search depth after a null move failed high
>>instead of simply returning immediately with a fail high.
>>
>>  - edward

My idea is more general.



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