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Subject: Re: Conversion to dual positions for EPD testsuites?

Author: Les Fernandez

Date: 23:34:03 11/27/01

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On November 27, 2001 at 00:52:58, Leen Ammeraal wrote:

>On November 26, 2001 at 17:58:38, Vincent Diepeveen wrote:
>
>>On November 26, 2001 at 12:47:59, Dann Corbit wrote:
>>
>>>On November 26, 2001 at 12:43:49, Leen Ammeraal wrote:
>>
>>>By the permutator viewer of Les Fernandez.
>>
>>Or one mouse click in DIEP or in Shredder5 :)
>
>This may be very useful for single positions, but
>what I want is a conversion program to convert
>a testsuite, say wac.epd, into another testsuite,
>say wacDual.epd, in which the roles of White and
>Black are reversed, including the final part
>(bm ...) of each line, as I showed in my example.
>Therefore I am afraid this permutation viewer
>suggested by Dann is not precisely what I want
>either.

Hi Leen,

I am maybe not understanding what exactly you want to accomplish.  As I
understand you wish to take a set of epd positions and reverse the roles of
white and black and also include the final part (bm...) etc.  The Permutator
application I think does exactly that.  As Dann mentioned in several posts ago
that for any given position it will not only exchange the roles for white and
black but also a left to right rotation and make all modifications to any opcode
that is affected by the new permutated positions.  The Permutator has taken a
file as large as 6,000,000 epd records and converted them to 24,000,000
positions.  Maybe I am just missing what you are trying to accomplish.

Les
>It might have been easier for me to write
>this rather simple conversion program myself
>than writing all these postings -:).
>Leen



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