Beginner Exercise 82 / Solution

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[Diagram]

Solution

B1 saves the group, because White cannot atari the L-shaped chain with a good result - a White move at either a or b is a self-atari. Subsequently, W2 and B3 are miai for unconditional life with two eyes. In particular, after B3, White at a is still a self-atari.


[Diagram]

Failure

B1 is a failure, because W2 is an atari on three Black stones, reducing the corner eye space to a single eye in sente. If B3 connects, then W4 destroys the other eye.



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