Beginner Exercise 229 / Solution

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[Diagram]

Solution.

White should simply retreat from W2 to W6, not allowing Black to play a in sente. When B7 crawls further, W8 can block because this is a tiger's mouth. So Black dies as explained in the L-group page.



[Diagram]

Failure

If white plays W2, then B3 threatens to make a living shape (see the L-group page for details). If white tries to kill with W4, then black connects to the outside with B5. Alternatively, white could try W4 at B5, but then black lives by playing B5 at a.



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