Answers
(No. 272: July 9, 2001)
Black 1 is the vital point. After White 2,
Black 3 is crucial to win the capturing race.
Elementary level: Wrong Answer
Black 1 allows White the vital point 2.
White gets a Ko with the moves to 10.
(one move approach Ko for Black)
Black 1 is the vital point. After White 2,
Black 3 is vital to win the capturing race unconditionally.
Intermediate level: Wrong Answer
Black 3 allows White the vital point 4.
The result is a one-approach-move Ko for White.
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