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Subject: Re: 6 man endgame database (Finnished?)

Author: John Merlino

Date: 11:36:49 09/02/05

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On September 02, 2005 at 03:04:18, Joshua Haglund wrote:

>On September 01, 2005 at 23:23:18, John Merlino wrote:
>
>>On September 01, 2005 at 20:49:32, Joshua Haglund wrote:
>>
>>>On September 01, 2005 at 15:42:29, John Merlino wrote:
>>>
>>>>On September 01, 2005 at 13:33:14, Peter Skinner wrote:
>>>>
>>>>>On September 01, 2005 at 12:47:57, Vincent Diepeveen wrote:
>>>>>
>>>>>>A single 7 men in Nalimov format you probably won't see soon.
>>>>>>
>>>>>>Just guessing blindfolded now it would be in nalimov format something like 200
>>>>>>terabyte for all 7 men?
>>>>>>
>>>>>>Most likely either Marc or in Diep format you'll see all useful 7 men as the
>>>>>>first.
>>>>>
>>>>>How big are your 3/4/5/6 man tablebases in total?
>>>>>
>>>>>This was a point of discussion on ICC the other night and many there thought
>>>>>that it was possible to get better/small tablebases than the current Nalimov
>>>>>structure.
>>>>>
>>>>>Most believed that the EGDB's that come with Chessmaster are the best by far.
>>>>>
>>>>>Peter
>>>>
>>>>Well, I suppose that they're "best" because they're faster to generate and
>>>>smaller than Nalimov. :-)
>>>>
>>>>However, they have one big drawback -- they can't be used outside of
>>>>Chessmaster. Or, at least, not until Johan allows them to be.
>>>>
>>>>jm
>>>
>>>They also work if you have just the white side tables. Just change a parameter
>>>and they work with half the space.
>>
>>You don't have to change any "parameter". The EGDB access code just knows how to
>>operate if you only have one side to move available. Doing this causes longer
>>access times, of course. But since The King doesn't probe the databases in
>>search, and all access is done by the CM GUI, this doesn't really matter.
>>
>>And it is actually a little better to have only the btm files, because they are
>>generally slightly smaller.
>>
>>The only time that both wtm and btm files are needed is when you are generating
>>other files that depend on them.
>>
>>jm
>
>Hey John,
>
>I just remember reading the FEG readme, and it said something about changing a
>parameter value (configuration file for the GUI) so it gave you the correct
>mate. Other than that, yeah, btm files would be the way to go.
>
>Joshua Haglund
>toneewa@yahoo.com

The only thing that the FEG readme talks about that sounds like that is the
ability to change the folder where CM looks for the EGDB files.

jm



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