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Subject: Re: 0x88 board representation

Author: Flemming Rodler

Date: 10:15:48 06/15/00

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On June 15, 2000 at 06:26:03, Christophe Theron wrote:

>On June 15, 2000 at 06:07:00, Amir Ban wrote:
>
>>On June 14, 2000 at 21:26:30, Bruce Moreland wrote:
>>
>>>On June 14, 2000 at 16:21:40, James Robertson wrote:
>>>
>>>>Could someone please point me to a place where I can read about this board
>>>>representation and how to use it? If someone is willing to post a description of
>>>>it here, that would be cool too.
>>>>
>>>>James
>>>
>>>Here is yet another try:
>>>
>>>0x88 board representation and move generation
>>>
>>>It's called something else, but I don't know what it is called.  I heard about
>>>it from David Kittinger at the Hong Kong WCCC in 1995, and it's been spreading.
>>>David told me that it was a common technique before that point, but I haven't
>>>seen it described in literature.
>>>
>>
>>It's much older than that. In the mid-80's Turbo Pascal included a complete
>>chess program in source-code, and it used the 0x88 method. I've been using it
>>for ages.
>>
>>Amir
>
>
>Yes, I have put my hands on the source code of this program when I got the
>Borland C++ 3.1 compiler. It was included as an example for the Object Vision
>library. It was a very straight translation of the Pascal code to C.
>
>Last year IIRC I have finally found who was the author of this program (somebody
>here told me), and I have been in contact with him a couple of times by email.
>The author is Kaare Danielsen, and his program was really smart. It took me some
>time to understand how it worked, and when I think that it has been written back
>in 1985, and can only tell my admiration for this guy.

There is a little bit of info about this program (when and why he wrote it on
his webside

http://www.danielsen.com/resume.shtml

/Flemming



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