Answers
(No. 115: July 6, 1998)
Elementary level: Answer
Black 1 is the vital point. After Black 3, White cannot
make an eye by playing at 5 because it is short of liberties.
Elementary level: Wrong Answer
Black 1 allows White to live with 2 and 4.
Intermediate level: Answer
Black 1 is crucial. After White 2, Black 3 gets a Ko.
Intermediate level: Wrong Answer
Black 1 fails. After White 2 Black cannot
live because it is short of liberties.
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