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Subject: Re: killers and history

Author: Will Singleton

Date: 10:29:17 01/23/03

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On January 23, 2003 at 12:27:28, Peter McKenzie wrote:

>On January 23, 2003 at 05:36:12, Uri Blass wrote:
>
>>On January 23, 2003 at 03:57:45, Peter McKenzie wrote:
>>
>>>Sounds like you are doing history heuristic.  A couple of points (which you
>>>might know already):
>>>
>>>1) Make sure you have a separate history table for each colour.
>>
>>I have only one history table.
>>Is it important to have seperate history table for each color?
>
>Only if you want it to work well :-)
>

I just tried two tables, and i get better performance on some positions, worse
on others (in the 5% range).  A single table in which you OR in the piece value
to the index should be OK.

Will



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