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Subject: Re: killers and history

Author: Peter McKenzie

Date: 13:50:08 01/23/03

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On January 23, 2003 at 16:15:19, Will Singleton wrote:

<snip>

>>Still, there are a reasonable number of subtleties and choices with history
>>heuristic.  Just off the top of my head:
>>
>>- how do you increase the history count? (by 1, by depth, by depth**2, etc)
>>- how/when do you decrease your history counts to stop overflow?
>>- how many history moves do you use for move ordering?  (All?, 2?, 3?, 4?)
>>- is history used for ordering q-search moves?
>>- only increase history count for non capturing cutoffs (I think everyone does
>>it this way?)
>>
>>Peter
>>
>>>
>>>Will
>
>
>I think perhaps you're mixing up killers and history tables.

Why do you say that?  I am definitely talking about the history heuristic.

>
>Will



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