Re: [gnugo-devel] New edge joseki patch

[SP Lee]

> Evan wrote:
> > > +Pattern EJ102
> > > +#spl 3.5.5
> > > +
> > > +?XX..
> > > +.O*O.   block is mandatory. Tenuki is disasterous
> > > +.....
> > > +.....
> > > +-----
> > > +
> > > +:8,J
> >
> > Is a full J classification needed for these patterns?  Is j or t
> > sufficient instead?  J classifications are valued highly enough that
> > they can cause problems in some cases.
>
> Maybe this pattern is too general too?  How about adding something
> like
>
> !weak(A)
>
> where A is the X string.
>
> Paul
>
>

I think we need a complete example for the need of constraints. I
couldn't imagine why this move is wrong when X string is weak. One thing
is sure. When X plays on *, O can't block any more and the two O stones
become as weak as dead compared to the three X stones.

SP Lee