Answers

(No. 260: Apr. 16, 2001)

Elementary level: Answer

Black 1 is the vital point.
After White 2, Black 3 gets a Ko.

Elementary level: Wrong Answer

Black 1 allows White the vital point 2.
After Black 3, White 4 is crucial.
After Black 5, to the next diagram.

Elementary level: Wrong Answer(Continued)

White 6 kills Black.

Intermediate level: Answer

Black 1 is crucial to get a Ko with the moves to 7.

Intermediate level: Wrong Answer

Black 1 is wrong. White plays 2 to 6.
Black loses the capturing race.