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Subject: Re: 16x16 boards. Can anyone explain?

Author: Tony Werten

Date: 08:10:17 06/20/02

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On June 20, 2002 at 10:14:21, Dieter Buerssner wrote:

>On June 20, 2002 at 06:27:56, Dan Andersson wrote:
>
>>You don't need to make a memory lookup in the 8x16 or the16x16 board. Thats one
>>of the gains.
>
>Yep. But it also needs larger (and possibly less cache efficient) tables, for
>example piece square tables for evaluation. Or some "translation array" at this
>point. For typical board size tables, this may be no problem. More costly it
>will be for a history table.

There are 2 solutions for.

Excuse my Delphi: trans_square:=((square and $70) shr 1) or (square and $07)

or throw out your history tables because they suck anyway.

Tony

>
>Regards,
>Dieter



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