Re: [gnugo-devel] GUI and Moyo

[Paul Pogonyshev]

Evan wrote:
> On 6/13/05, Paul Pogonyshev <address@hidden> wrote:
> > Gunnar Farneb�k wrote:
> > > I wrote:
> > > > For the fuseki testing against people and other programs is
> > > > particularly important. It's easy to overadapt and find something
> > > > that is effective against GNU Go but possibly not against anyone
> > > > else. I recently saw a player on KGS devastate GNU Go with a parallel
> > > > 5-5 opening, for example. So some testing on KGS should be
> > > > worthwhile.
> > >
> > > Here is how to secure more than 200 points of territory before move
> > > 20.
> >
> > Ouch.
> >
> > I think it highlights the weakness of relying on patterns too much.
>
> Agreed.  However, some more general patterns could improve things.
> I'm thinking things like
>
> |..???
> |...??
> |..*.?
> |.....
> |.....
> +-----
>
> as a sort of generalized 3-3 invasion.  Similar things on the edges, etc.
>
> But I like the algorithmic fuseki / moyo moves a lot better, assuming
> they can be made to work reasonably in actual play.

Agreed.  But for now, how about starting with the three attached patterns?
I'm not sure '?'s, 'x's and 'o's are set up well in those patterns, but
this is certainly an improvement anyway.  Corrections and additions are
welcome.

We should also add fuseki SGF files for go-go (5-5), oomokuhazushi (6-3)
and ootakamoku (6-4) points.

--- fuseki.db   14 Jun 2005 12:29:54 +0300      1.44
+++ fuseki.db   15 Jun 2005 15:43:50 +0300      
@@ -481,6 +481,56 @@ Pattern F18
 :8,FeEaj,shape(2.98)
 
 
+Pattern F19
+
+|..xxX     go-go invasion at san-san
+|....x
+|..*.x
+|.....
+|.....
++-----
+
+:/,FeEaj
+
+|..abX
+|....c
+|..*.d
+|.....
+|.....
++-----
+
+; x_alive_somewhere(a) + x_alive_somewhere(b)
+; + x_alive_somewhere(c) + x_alive_somewhere(d) <= 1
+
+
+Pattern F20
+
+|...????    go-go invasion at hoshi
+|.....??
+|....X.?
+|...*..?
+|.......
+|.......
+|.......
++-------
+
+:/,FeEaj
+
+
+Pattern F21
+
+|...oo??    go-go invasion at komoku
+|.....??
+|....X.?
+|..*...?
+|......?
+|.......
+|.......
++-------
+
+:8,FeEaj
+
+
 ###################
 # Corner enclosures
 ###################