Answers
(No. 277: Aug. 13, 2001)
Black 1 is the vital point.
If White 2, Black 3 kills White.
Elementary level: Wrong Answer
Black 1 allows White the vital point 2 to get a Ko.
Black 1 is crucial to kill White.
Intermediate level: Wrong Answer
Black 1 allows White to get a Ko with 2 and so on.
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