(No. 124: Sep. 7, 1998)
Elementary level: Answer
Black 1 is the Tesuji to rescue Black's
three stones and kills White at the same time.
If White 2 at 3, Black 2 kills White.
Elementary level: Wrong Answer
Black 1 is wrong. White 2 forces Black to
defend at 3, and White lives with 4.
Intermediate level: Answer
Black 1 is crucial. After White 2, Black plays 3,
letting White to take Black's three stones.
Then to the next diagram.
Intermediate level: Answer (Continued)
Black 5 retakes Black's three stones, and White dies.
Intermediate level: Wrong Answer
Black 1 is wrong. White lives with 2 to 4.
If Black 3 at 4, Black plays 3 and lives.
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