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Subject: Re: Ed, why not Negascout/PVS?

Author: David Rasmussen

Date: 15:58:43 01/15/03

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On January 15, 2003 at 17:36:43, Ricardo Gibert wrote:

>On January 15, 2003 at 16:54:38, David Rasmussen wrote:
>
>>Why did you choose to go with ordinary alpha-beta search?
>>
>>/David
>
>
>It's not an "ordinary alpha-beta search." See:
>
>http://members.home.nl/matador/chess840.htm#SEARCH
>
>where you will find:
>
>"REBEL uses the standard *Aspiration* Alpha-Beta Search technique..."

I know he uses aspiration search, but I deliberately decided not to write that
because null-window search schemes such as negascout/PVS can be and are used for
aspiration search too. They are too separate decisions. So given that he uses
aspiration search, why did he choose normal alpha-beta over negascout/PVS?

/David



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