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Subject: Re: Bitboards

Author: Bert van den Akker

Date: 07:07:16 12/04/99

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On December 04, 1999 at 07:55:40, Alessandro Damiani wrote:

>On December 03, 1999 at 19:27:50, Nicolas Carrasco wrote:
>
>>What bitboards method is faster : Chess 4.5 "old" or rotated bitboards?
>>I know that it depends how you use it, but I would like to hear an answer.
>>
>>Thanks
>>
>>Nicolas
>>http://www.puntadeleste.to/uruchess/
>
>In Fortress I don't use "rotated bitboards". Of course, every method is a
>rotation, but the one I use works differently. It is extremely simple and does
>not need to scan the board. But I don't know if, for a 64-bit machine, it is
>faster than "rotated bitboards". I don't know if Bob has made some tests.
>
>I sent the source code to Bob, because I decided to make it Freeware. Bob asked
>me to publish it in the ICCA journal, but I had to stop writing. It takes me too
>much time.
>
>If there is enough interest here I will post it. Remember it is Freeware.
>
>Alessandro


Please do.

bvdA



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