Answers
(No. 269: June 18, 2001)
Black 1 is the vital point.
If White 2, Black 3 is crucial.
White cannot live because it is short of liberties.
Elementary level: Wrong Answer
Black 3 lets White live with 4.
Black 1 to 7 is a set of Tesuji.
White has to create a Ko with 8 and 10.
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