Beginner Exercise 14 / Solution

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[Diagram]

Problem diagram

The shape looks like a dogleg four, with a and b miai for life. But it's incomplete yet - Black has no stone at c.

Solution

[Diagram]

shortage of liberties

W1! and W3 prevents Black from playing at c because of shortage of liberties.

[Diagram]

continued: White kills

White reaches the point and kills.


Failure

[Diagram]

Can White kill this way?

W1 first does not work, since B2 saves the black group (this is Black's only move!). Note that playing B4 to capture at a is wrong, since then W5 at B4 falsifies black's eye.




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