Beginner Exercise 229 / Solution

Sub-page of BeginnerExercise229
[Diagram]

Solution

White should simply retreat at W2, not allowing Black to play a in sente. Further crawling is futile - for example W8 blocks safely. So Black dies as explained in the L-group page.

[Diagram]

Alternative Solution

In practice, W2 attachment can be a good alternative. Black will need another move at a to separate the marked stones.

[Diagram]

Comparison

After W2 in the "Solution" diagram, Black will play B3, limiting the corner territory and separating the marked stones in sente.


[Diagram]

Failure

Immediately blocking with W2 is a big mistake. After B3, a making life and b connecting to outside are miai.



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