Beginner Exercise 308 / Attempts

jts: Presumably in a game the sequence would end at .

jts: After , a and b are miai for the kill.

tapir: After and white still captures but has to throw in at c, which is the correct technique.

unkx80: I am not convinced of your solution. What about this? Reuven: Oh I was actually thinking of the solution proposed here and totally missed this as well... It seems the problem was wrong :) Perhaps if these (circle marked) stones are removed, it'd work? Or do you guys have a better fix?

tapir: What about next, preparing a cut at either a or b?

Anonymous: B12 looks like aji keshi if the ladder is no good. Also making bamboo instead of directly connecting reduces the libs on white's cutting string.

W connects around the corner, assuming B can't win the ko at 7. If W's bottom group was dead instead of alive it would make a wicked problem.

MrTenuki: It seems to me that White can avoid the ko altogether under this variation. But we still can't count this as a solution because it depends on a ladder being broken.

Maybe this? ( @ )

MrTenuki: Here's my SDK Attempt.

If is played at a, then at b- at c- at d captures the corner because White will have time to play e. If is played at b, then will be played at a. So Black resists...

Since White has the a-b-c sequence to capture the corner, Black needs to capture the marked stones in a ladder...

...but the ladder seems to be broken. Unfortunately, Black seems to have a better refutation:

cannot be played at a due to a shortage of liberties.

At least White retains sente. But is this good enough?

fivebells?: Sure I'm missing something. Would be grateful to learn what... If at , at , and White connects through on those stones instead.

togo: When Black foolishly answers with , this indeed could be a continuation. Anyway, Black had no chance then. And indeed Black always can connect the big dumpling, with White catching the small group afterwards. But here is a better play: on a (see above).

hp: A beginner's try... Ends in a ko fight, I think?

- above instead of above . W cannot save her cutting stones.

Togo: As said above.

togo: I moved fivebells' diagram to an earlier position; it was already answered there.

So, next try! There is a solution.

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Beginner Exercise 308 / Attempts last edited by togo on November 14, 2012 - 23:48

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