Gokyo Shumyo, Section 2, Problem 12 / Attempts

[Diagram]

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variation at 2


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unkx80: What if B2 here? If W3 blocks, then B4 seems to live.

[Diagram]

Therefore, I thought the solution might be W1. If B2 here, then W3 kills. If B2 at a, then W3 at B2, which reverts to the earlier variations.



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Variation

Bill: As always, unkx80 is right. (I peeked.) Here is another variation.




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