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Subject: Re: Nullmove/killer move/Hash relations question

Author: Ralf Elvsén

Date: 07:47:45 05/25/01

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On May 25, 2001 at 03:50:58, Rafael Andrist wrote:

>I plan to implement Nullmove in my program and have some questions:
>Are killers moves also used in Nullmove-subsearch? And if so, are seperate
>killer lists used or is there only one killer list and the killers in the
>Nullmove-search are stored/taken in/from this general list, but at the
>appropriate (+1) depth?

I tried this (separate lists), but it didn't make any difference for me.
I don't think it's a good idea.

Ralf

>Is the hash also used during Nullmove-subsearch? I think the gain of using the
>hash table will be minimal because of the reduced depth and this hash entrys
>couldn't be used elsewhere.
>
>Rafael B. Andrist



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