On Thu, Nov 12, 2015 at 9:07 AM, Nick Wedd <mapr...@gmail.com> wrote:
> I was thinking about the ko rule for frisbee ko, and realised it leads to
> problems.
>
> 1.   Black takes a ko,  White tries to make a ko threat, but accidentally
> retakes the ko.  What should happen?

This was already covered by having any illegal frisbee landing revert to a pass.
Btw, it's impossible to make a ko threat neighbouring a ko retake, as
all those points are occupied:(

> 2.   Black takes a ko.  White tries to make a ko threat, but fails to make a
> valid move. Black tries to make connect the ko, but fails to make a valid
> move. May White now (try to) retake the ko?

Being a superko fan myself, the answer is clear: not if it repeats the position.

regards,
-John
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