Frank responded immediately, and posted the document. It is now
accessible via the link in the help files.
http://moyogo.com/MoyoGoPatternSystem.pdf
The document contains a bit, but not much, more than is available in
the description in the help files.
On Oct 17, 2007, at 1:04 PM, Erik S. Steinmetz wrote:
I would like to thank everyone who responded on this thread. The
pointers have been very helpful.
I would also like to see that linked document, as the text
describing the pattern value system looks interesting, and a longer
description of it would be nice! If anyone can find a copy, please
pass it along. I've sent a request to the author, and will forward
a copy to interested parties if he sends one.
Again, many thanks,
Erik
On Oct 15, 2007, at 4:28 PM, Jason House wrote:
I'm glad you posted about that. I was thinking of it but couldn't
remember the name of it.
It looks like there may have been some data loss in the past
(discussed in blogs). I see several links that are broken. I
found the text at http://www.moyogo.com/files/%7BAF6C0FD3-
B2EF-4CBE-85CB-7359B82A481D%7D.htm to be interesting. Sadly, the
link to http://moyogo.com/MoyoGoPatternSystem.pdf (at the bottom
of the page) is broken. Does anyone happen to have a copy of it?
On 10/15/07, Eric Boesch <[EMAIL PROTECTED]> wrote:
On 10/15/07, Erik S. Steinmetz < [EMAIL PROTECTED]> wrote:
> Greetings all,
>
> I have been looking through the literature (many thanks to Markus's
> wonderful online bibliography) on existing strategies in the
opening
> game, and have not found too many articles on the specifics outside
> of a few papers on neural net learning applied to the opening.
There
> are some vague references to 'pattern matching' to generate moves,
> but no information about how those patterns and moves were created.
>
> I am wondering if anyone knows of any attempts made to run pattern
> recognition (for example, clustering) algorithms over a library of
> games in order to learn reasonable opening moves. If so, and there
> are any papers about the success (or failures) of such an effort, I
> would really appreciate a pointer!
Large-scale pattern harvesting from real games between strong and pro
players is the raison d'etre of Frank de Groot's commercial go
analysis tool Moyo Go Studio (www.moyogo.com). Moyo Go Studio's
pattern database includes millions of patterns of a wide variety of
sizes, definitely includes opening patterns. I don't know if de Groot
has contributed to the literature beyond making a number of posts to
this mailing list and commercial announcements on rec.games.go.
Remi wrote that for CrazyStone, he culled some larger patterns that
did not appear to add strength (in particular opening patterns,
though
maybe he put them back in for his standalone pattern recognizer). It
is just a different emphasis -- probably less complete but more
useful
for making a strong go-playing program.
I can't say anything about any of the others who have tried
similar things.
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