[Retros] Natch 3.0 beta is out

[Paulo Peccin]

Tried to run iNatch, but it does not start in my machine. Java8 installed.
The logs say:

!ENTRY org.eclipse.osgi 4 0 2016-07-29 14:45:04.760
!MESSAGE Application error
!STACK 1
java.lang.UnsatisfiedLinkError: no swt-win32-3320 or swt-win32 in
swt.library.path, java.libary.path or the jar file

Also, can I use Natch to find a solution to a position, but I don't know
how many moves it would take to get to that position?

Thanks,
Paulo

On Fri, Jul 29, 2016 at 1:46 PM, Pascal Wassong <pascal.wassong at free.fr>
wrote:

> Hello all,
>
> 19 years after the first version, 7 years after the latest version, a
> new version of Natch is out.  It is version 3.0 beta.  You can
> download it from http://Natch.free.fr .
>
> Previous version already computed the order of some moves.  This was
> used to eliminate position having cycles in it.  For example
> Pa2-a8=N-b6*Pa7 and Pa7xb6.  These move orders found for a position are
> now used when searching for the moves.  For example, if black must play
> Rh8-e8-e3-c3 and white Pe2-e4, the wPe2 won't be allowed to move before
> the black rook arrived at c3.  This improvement increase the speed of
> resolution of many problems, and makes the --watch (-k for short) preaty
> useless.
>
> Many more move orders are also found.
>
> A bug has been corrected, where some solutions where not found.
>
> A bug has been corrected on Mac, which made the program crash when the
> hash-tables where full.  I was surprised to learn about this problem
> so late.
>
> There are also minor changes in the output file and when using the
> visual option.
>
> More details about this new version are available in the NEWS file
> available when you download the beta version.
>
> There were many bugs in the numerous alpha version while developing this
> 3.0 version, which have been found by the testers, mainly Michel
> Caillaud and Thierry Le Gleuher.  Thanks to them and to the other
> testers.
>
> There may still be bugs in this version.  If you find one, don't
> hesitate to send it to me.  The informations needed are:
> - the proof game, being as short as possible, that reproduces the bug;
> - the expected solution;
> - the number of the position where the bug occurs, if needed;
> - a clear description of what is going wrong.
>
> The precompiled version for windows is a 64 bits version.  I could
> also prepare a 32 bits windows version, if enough people are
> interested.
>
> Happy composing,
> Pascal
> _______________________________________________
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>
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