Re: [gnugo-devel] owl:6

[Arend Bayer]

Gunnar wrote:
> Graham wrote:
> > I think just extending then tactic on p98 ALD Gunnar cited, is
> > sufficient.
> >
> > eg (B 1st):
> > C1,B1,A2,?B3,C4
>
> No, it doesn't work. White can switch B3 to A3 and get a ko in this
> position.

I agree with that, but I am now pretty confident that the following
sequence kills cleanly after W B5:

Black C4 - B4 - B2.
a) W A2 - B1 - C1 - B3 - A3 - A5
b) W B1 - B2 - B6 - A6

The common theme of many variations is that B6 is a mistake, because black
can directly play on A5 instead.

Arend