Computer Chess Club Archives




Subject: Re: During Null Move search

Author: Roland Pfister

Date: 23:45:34 06/02/98

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On June 02, 1998 at 21:27:57, Robert Hyatt wrote:

>On June 02, 1998 at 17:50:53, Peter Fendrich wrote:
>>How are you doing things during a Nullmove path?
>>I don't:
>>  - save Princ. Var (of course!)
>>  - save Killer moves
>>  - increments the History Killer
>>  - save positons in Hash tables
>>But maybe it's better to save moves in the hash tables during null move
>I store hash entries, update the killer/history values, and do
>I normally do...

So do I. I just don't allow extensions if a nillmove is in the path.

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