Answers
(No. 145: Feb. 1, 1999)
Elementary level: Answer
Black 1 is the vital point. If White 2,
Black connects with 3 and 5. White dies.
Elementary level: Variation 1
If White 2, Black 3 kills White.
Elementary level: Variation 2
If White 2, Black 3 kills White.
If White 2 at 3, Black 2 kills White.
Elementary level: Wrong Answer
Black 1 is wrong. White lives with 2 and 4.
Intermediate level: Answer
Black 1 is crucial. After White 2, Black kills White with 3 and 5.
Intermediate level: Wrong Answer
Black 1 is wrong here. The result of Ko is not good enough.
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