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Subject: Re: MTD(f)

Author: Tord Romstad

Date: 06:00:59 07/29/04

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On July 29, 2004 at 06:41:43, Fabien Letouzey wrote:

>On July 29, 2004 at 05:58:20, Tord Romstad wrote:
>
>>Consider the extreme case of having an evaluation function which always
>>returns 0.  You automatically get perfect move ordering, and you will
>>search really small trees.  Your eval will also be very cheap to
>>compute.  On the other hand, it could hurt the engine's positional
>>play a bit.  :-)
>
>Tord, don't try to confuse the readers.  You know move ordering would still
>affect tree size.

Yes, it would.  My point was just that when you keep everything else
unchanged, reducing the resolution of the eval will shrink your tree,
and that the silly extreme case of a constant evaluation function will
beat everything else in terms of tree size.

Tord



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