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Subject: Re: Crafty Tablebases and MCP8

Author: Francois Bertin

Date: 09:50:38 01/07/99

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On January 07, 1999 at 08:24:55, Robert Hyatt wrote:

>On January 07, 1999 at 00:36:57, Dan Kiski wrote:
>
>>The old crafty tablebases are identical to the tablebase files in MCP8.
>>If the new crafty tablebases were downloaded and MCP8 is directed to the
>>location of the new crafty tablebases will these work with MCP8.
>
>not even close, no.  The format of the files is totally different because of
>Eugene's new indexing scheme.
>
>
>>
>>The logical reason to do so if it would work, is that the new tablebases are
>>smaller in size and cover more endings than the previous ones and also the the
>>tablebases on the MCP8 CD.
>>
>>The old crafty tablebases are they still available for download anywhere, as
>>failing the use of the newer ones with MCP8 I wish to see if more are available
>>than on the MCP8 CD.
>
>
>I put the old versions plus the KRPKR (and promotion cases) on a CD and sent it
>to Marty last year.  He was going to ship the CD as an add-on or something, but
>I don't know how that ended up.  He is certainly free to take the new probe
>code from Crafty and use it to convert to the new files.  And since Eugene has
>now completed the on-the-fly decompression code (I have not yet had time to
>include in crafty and test due to beginning of school term issues here) this
>may make the new format even more attractive.  Because _all_ of the files I
>now use (22.5 gigs uncompressed) should reduce to 5 gigs or so...

  I have received my copy of MCP8 last week, and the tablebases mentioned
are all on the CD. According to the manual, they can be used by the program
in two ways: at the root of the search or dymanically, at every stage
of the search.



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