Re: computer-go: Re: your mail

["Njoroge" <Njoroge@xxxxxxxxxxx>]

Sorry, hadn't read any previous posts.
Proves that you shouldn't stick your nose in :-)

Njoroge.

----- Original Message -----
From: "Heikki Levanto" <heikki@xxxxxxxxxxxxxxxxx>
To: <computer-go@xxxxxxxxxxxxxxxxx>
Sent: Monday, February 26, 2001 3:18 PM
Subject: Re: computer-go: Re: your mail


> I think we have a slight confusion here about what the original question
> was. I understood that the asker wanted a quick algorithm to detect those
> stones that are impossible to capture, even without defensive moves.
Others
> have been talking of various levels of life and death knowledge. The
person
> who asked the original question has said that the Bensons Algorithm was
what
> he needed, so the whole side track to my proposal was off the mark. And as
> was pointed out, it doesn't even work.
>
> I think that's all there is to say about it.
>
> Njoroge <Njoroge@xxxxxxxxxxxxxxxxx> wrote:
> >>
> >> This algorythm doesn't work because it depends on the order you fill
the
> >> liberties :
> >>
> >>  . . * * * *  D
> >>  . * * o o *  C
> >>  . * o . o o  B
> >>  . * o o . .  A
> >>  6 5 4 3 2 1
> >>
> >> If you start by taking the (1,A) liberty, the white group is judge
> >> unconditionally alive.
>
> >> If you start by taking the (2,A) liberty, the white group
> >> can be killed.
>
> > No it can't
> > playing at 2a leads to the following which is 2 eyes.
> >  . . * * * *  D
> >  . * * o o *  C
> >  . * o . o o  B
> >  . * o o . o  A
> >  6 5 4 3 2 1
>
>
>
>
>
> --
> Heikki Levanto     LSD Levanto Software Development   heikki@xxxxxxxxxxxxxxxxx
>                "In Murphy we Turst"
>
>