Answers

(No. 247: Jan. 15, 2001)

Elementary level: Answer

Black 1 is the vital point.
If White 2, Black lives with 3 and 5.
If White 2 at 5, Black lives with 2.

Elementary level: Wrong Answer

Black 1 allows White to create a Ko with 2 and 4.
If Black 3 at 4, White 3 kills Black.

Intermediate level: Answer

Black 1 to 3 is crucial.
If White 4, Black 5 creates a
five-point Nakate to kill White.

Intermediate level: Answer (Variation)

If White 4, Black 5 kills White.

Intermediate level: Wrong Answer

Black 1 allows White to get a Ko with 2.