XuanxuanQijingProblem2/Attempts

White to Live  

xela: This choice of makes things a lot more difficult than they need to be! Try at instead. (In a real game, depending on the rest of the board, this sort of crawling doesn't look good! White might do better to just cut with at and sacrifice the corner.)

Continued sequence  

The outcome here is that White needs to win the Ko (two Ko fights when Black can draw back at b as well) to stay connected. There is one eye in the top left corner (unless Black plays to eliminate it) but with White crawling along the edge, eyes can be made false. And even if White can continue crawling, it may be possible for Black to eliminate White's eye on the left (and then chase the clump of false eye connections..

Continued sequence?

As you can see from this long sequence, careful reading is required to see if life is possible. I am unsure if my reading here is correct.

I have spent some time on this problem and think a rest is required before re-tackling it. Anyone wanting to ad their thoughts are most welcome. - Mystery Go Player

Variation  

Malcolm: What about this follow-up for White?

White to Live  

I do not know.

xela: I think white can live with either this or by playing at a. To me, a looks cleaner. Keep stretching until there's an eye on the edge, and then come back to b for the second eye if needed.

 

Does this work too?

White to live  

KendoKa? This is the solution I found... White can't tenuki on 3 and if black want's to kill at 7 neglecting 5 he will die in a ladder ;)

Solution  

KendoKa? Can black play 8 at 9 ?...

Herman Hiddema: Yes. If black plays at and white tries to capture with a, white will lose the semeai because his corner group only has 3 liberties, the exchange is a mistake.