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Answers

(No. 352: Jan. 20, 2003)



Elementary level: Answer

Black 1 and 3 are crucial.
If White 4, Black wins the capturing race with 5 and 7.

Elementary level: Answer



Elementary level: Answer (Variation)

White can create a Ko with 4 and 6,
but this Ko is very serious for White.

Elementary level: Answer (Variation)

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Intermediate level: Answer

Black 1 is the vital point.
White has to create a Ko with the moves 2 to 8.

Intermediate level: Answer



Intermediate level: Wrong Answer

Black 1 allows White the vital point 2 and loses the capturing race.
(The same shape as the preceding problem)

Intermediate level: Wrong Answer


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