Beginner Exercise 203 / Solution

Sub-page of BeginnerExercise203

Solution

[Diagram]

Black lives

B1 secures one eye and lives. Black has another eye at the top and can play at least a point on the third line to connect.

[Diagram]

Continuation

W2 achieves nothing. After B3, a and b are miai to safeguard the top eye.


Failure

[Diagram]

Failure 1

B1 defends a side but not the other. After W4 there is no way for Black to make a second eye. B1 at W2 fails in similar fashion.

[Diagram]

Failure 2

Another symmetry point B1 fails to W2! falsifying the second eye.

[Diagram]

Failure 3

B1 does not work either: after the exchange of W2 and B3, the throw-in at W4 dashes black's hopes for a second eye.

Note that in all cases White reaches the vital point, B1 in the Solution diagram, to kill.



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