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Subject: Re: Problem with EGTB.EXE

Author: José de Jesús García Ruvalcaba

Date: 13:56:46 08/06/99

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On August 06, 1999 at 16:01:46, Ernst Walet wrote:

>I have a problem creating 4 piece tablebases with Eugene's tbgen.exe
>First I created tablebases with "tbgen -m 64 -p kppk" and kbk up until kppk were
>created in one run without problems, in total 60 files
>
>However, when I wanted to do the same with "tbgen -m 64 -p kpkp", sometimes at
>the end of a file the following error occurs and the process is stopped:
>
>*** Couldn't map view of file .\kqkq.nbb with MapViewOfFile()
>
>This kqkq.nbb can be another file as well.  The file mentioned is present.
>I can start the process again and it seems to go on where it stopped.  What's
>going on and are the files ok or maybe corrupted?
>
>Second question, is it neccesary to create kkpp (and underlying) tablebases
>when you have kppk already.

	No. The probing code takes care of switching sides.

> Each set seems to be created for black and white,
>or is kppk for white pawns only, in perspective of white'e and black's side?
>

	It works for both sides.

>Kind regards, Ernst-J.
José.



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