Answers

(No. 407: February 9, 2004)

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Elementary level: Answer

Black 1 is the vital point.
If White 2, Black lives with 3.
If White 2 at 3, Black lives with 2.

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Elementary level: Wrong Answer

Black 1 is wrong.
Black dies with White 2 and 4.

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Intermediate level: Answer

Black 1 is crucial.
If White 2, Black lives with 3 and 5.
If White 2 at 5, Black lives with 4.

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Intermediate level: Wrong Answer

Black 1 is wrong.
Black dies with White 2.

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