(No. 185: Nov. 8, 1999)
Black 1 is crucial. If White 2, Black 3 is the vital point.
After White 4 and 6, Black 7 captures
the three White stones in a Snapback. White dies.
If White 2 at 4, Black 2 kills White.

Elementary level: Wrong Answer 1
Black 1 lets White live with 2.

Elementary level: Wrong Answer 2
Black 1 allows White to live with 2 to 8.

Elementary level: Wrong Answer 3
Black 1 also fails. White lives with 2 to 6.

Black 1 is the vital point. If White 2,
Black wins the capturing race with the moves to 5.

Intermediate level: Wrong Answer 1
Black 1 allows White the vital point 2.
If Black 3, White 4 gets a Ko.

Intermediate level: Wrong Answer 2
Black 1 allows White to get a Ko with 2 to 4.
