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Answers

(No. 391: October 20, 2003)



Elementary level: Answer

Black 1 is crucial to live.
If White plays 2 and 4, Black lives with 3 and 5.
If White 2 at 5, Black lives with 2.
If White 4 at 5, Black lives with 4.

Elementary level: Answer



Elementary level: Wrong Answer

Black 1 is wrong. White plays 2 and 4.
After Black 5, to the next diagram.

Elementary level: Wrong Answer



Elementary level: Wrong Answer

With White's moves 6 to 10, Black dies.

Elementary level: Wrong Answer

B9 : connects at W6

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Intermediate level: Answer

Black 1 is the vital point.
If White 2, Black plays 3. White cannot but create a Ko with 4.
If White 2 at 4, Black 3 and White 2 result in the same Ko.

Intermediate level: Answer



Intermediate level: Wrong Answer

Black 1 allows White the vital point 2 to live.

Intermediate level: Wrong Answer


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