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Subject: Re: Shallow versus undeep

Author: Vincent Diepeveen

Date: 03:11:06 02/21/00

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On February 20, 2000 at 23:08:45, Will Singleton wrote:

>On February 20, 2000 at 16:48:54, Vincent Diepeveen wrote:
>
>>Turpin was at -5.0 somewhere nearly, before that horizon effect occured
>>and the endgame came onto board and pawn ran through. I'm always amazed
>>that against Amateur so little moves get expected. I guess that's because
>>move must be done quick and gets from hashtable.
>>
>
>I think this error was due possibly to a null failure, since it looks like a
>very shallow search could avoid the bad move.  I've noticed several weird,
>inexplicably bad moves recently, throwing away material, not seeing shallow
>mates.  I think I must have broken something.  I recently added piece-lists,
>maybe something bad there.

you lost with 6-0, at least 3 games i saw undeep win from shallow because of
not doing checks in qsearch.

>Will



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