(No. 118: July 27, 1998)
Elementary level: Answer
Black 1 is the vital point to capture the three White stones.
Elementary level: Wrong Answer
Black 1 allows White to play on the vital point 2.
Black's three stone's are captured in a Snapback.
Intermediate level: Answer
Black 1 is the vital point. After White 2, Black 3 gets a Ko.
Intermediate level: Wrong Answer 1
Black 1 is wrong. White lives with 2 to 6.
Intermediate level: Wrong Answer 2
Black 1 also fails. White lives with 2 to 8.
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