Answers

(No. 278: Aug. 20, 2001)

Elementary level: Answer

Black 1 first, then Black 3 is crucial to get a Ko.

Elementary level: Wrong Answer

Black 3 is wrong.
With White 4, Black loses the capturing race.

Intermediate level: Answer

Black 1 is the vital point.
Black sacrifices the two stones first and
then captures the five White stones with 5 to live.

Intermediate level: Wrong Answer

Black 1 allows White the vital point 2
to create a Five-point Nakate. Black dies.

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connects under