Beginner Exercise 25 / Solution

Sub-page of BeginnerExercise25
[Diagram]

Ah! My eye! I can't see!

B1 hits the vital point and kills the group by making miai of the kill at a or b.


[Diagram]

Variation 1

If W2, B3 prevents a second eye. If W4 captures....

[Diagram]

continued

B5 throw-in still holds White to one eye.

It would do White no good to capture B5, even as a ko threat, because the resulting eye would be a false eye.


[Diagram]

Variation 2

And if White blocks the other direction, she still dies after B3. It's a bent four - but with the two inside points occupied.


[Diagram]

Variation 3

Against W2 here, B3 or a kills similarly as above diagrams. (B3 at b also kills, which better protects the outside.)

[Diagram]

reason (B3 elsewhere)

Black needs to respond to W2, because after W4, Black can't play at a to falsify the eye.



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