Kyu Exercise 53 / Attempts

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Status ?

unkx80: This problem was never attempted since it was posted in August 2005. It seems to me that Black is unconditionally alive, no? Dieter: will investigate.

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hane

A hane at W3 still gives Black straight four in the corner.

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alive in sente

Here Black even lives in sente.

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alive in sente

Black has enough liberties to throw in and denies the intruders to make bent four in the corner and ko.


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Reuven: I think it's alive like this as well, such a lively form :) But here almost any addition of a white stone and some of b stones make it killable... Would you like to change the original problem into a solvable one?


This is a copy of the living page "Kyu Exercise 53 / Attempts" at Sensei's Library.
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