Ten-point eye - possible seki

  Difficulty: Beginner   Keywords: Life & Death
[Diagram]

Black makes seki



[Diagram]

What about this?

Can Black still make seki?



[Diagram]

Black dies



Charles After B1, W2 wins the fight me ari me nashi.

Therefore B1 here must come first. After B3, W4 prevents a 10000 year ko, which is usually preferable to seki for Black. Instead of W2, White can make a ko with W3. (Usually bad for White, however.)


This is a copy of the living page "Ten-point eye - possible seki" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.
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