Answers
(No. 111: June 8, 1998)
Elementary level: Answer
Black 1 is the vital point.
If White 2, Black 3 kills White.
Elementary level: Variation 1
If White 2, Black 3 kills White.
White cannot play at 5 to get two eyes,
because it is short of liberties.
Elementary level: Variation 2
If White 2, Black 3 kills White.
Elementary level: Wrong Answer
Black 1 allows White to get two eyes with 2.
Intermediate level: Answer
The order of moves Black 1 and 3 is crucial.
Black can capture White's two stones in the corner.
Intermediate level: Wrong Answer
Black 1 first is wrong. After Black 3, White 4.
Black fails.
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