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Subject: Re: Attack Table Question

Author: Dann Corbit

Date: 07:27:00 03/22/04

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On March 22, 2004 at 03:40:57, Daniel Shawul wrote:

>Hello
>
>I have decided to use attack tables. I just did
>a rough implementation of it at the beginning of the eval
>according to Ed's paper. The problem is the thing dropped the nodecount
>by almost 40% .  Initial position nodecount was 800000 and now it is 500000.
>Do incremental move attack tables help? And how do i update the table? It seems
>very difficult to update a sliding move and other special cases.

You can precalculate a lot of the work.  It's easy with bitboards.  I don't know
about 0x88 since I never tried it.

You can almost eliminate quiescent search if you return enough information.



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