You also have to think about what happens if white plays first. That is how Status problems work.
black can live by playing at 6
white kills by playing at 1
Again, it depends. What i think is that B lives or is in seki if it begins
Dieter: indeed kills in a fancy way. If
at a,
at b.
at
is the easier way to kill, to the extent that
here would never occur to me.
unkx80: I think at
, then
at
, and the result is ko.
Dieter: Time for the teacher's just to see if everybody was paying attention tesuji?.
unkx80: This problem looks like my two problems ( http://www.goproblems.com/prob.php3?id=3052 and
http://www.goproblems.com/prob.php3?id=3053) on goproblems.com, but harder. =P
Bill: is double atari. :-)
can white just play here and make a row of 3 then cut? IanDavis
unkx80: You mean this? This is seki.
Yeah should have made the diagram then i'd have spotted that ;-)
If white plays the contact first (presumably a mistake) and doesn't want a seki, I am seeing ko. Is there a stronger way for either side to play? ~Alex Baxter, KGS 7k