[Computer-go] Getting started with GTP - life/death

☢ ☠ thaoeuns at gmail.com
Thu Apr 1 09:02:58 PDT 2010


And worst case you can pass off the scoring commands to gnugo.

On Thu, Apr 1, 2010 at 06:21, Petr Baudis <pasky at ucw.cz> wrote:

> On Thu, Apr 01, 2010 at 06:09:53PM +0800, Scott Christensen wrote:
> > I connected my GTP engine to Gogui.  Gogui will eliminate captured
> > stones but this info is not passed to my gtp engine.  Do I need to
> > build my own life/death analysis in the engine?
>
> Yes, your engine needs to implement appropriate rules for capturing, if
> that's what you mean. If you mean life/death of uncaptured stones during
> scoring phase, if your engine supports final_status_list, it can be
> queried (not on CGOS, where all stones are assumed alive at the game
> end), but you won't receive information about the ultimate user's choice
> (after all, the game is over).
>
> > Sorry this is a very
> > basic question, any webpage that anyone can recommend that illustrates
> > how to go beyond GTP to actually playing out a whole game on CGOS
> > would really be a big help.
>
> http://repo.or.cz/w/pachi.git/blob/HEAD:/complete-tromptaylor.gtp is
> example of a complete game - I believe if you can handle this, you
> should be able to handle CGOS fine (time controls etc. are optional).
> You may also find the script of
> http://repo.or.cz/w/pachi.git/blob/HEAD:/sgf2gtp.pl useful for
> debugging, to convert (simple) SGF files to GTP streams.
>
> (This does not include the genmove commands that ask your engine - you
> can just cut off the file at some point and add e.g. 'genmove b' to ask
> the engine about its move in a particular situation.
>
> --
>                                Petr "Pasky" Baudis
> http://pasky.or.cz/ | "Ars longa, vita brevis." -- Hippocrates
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