Largest capture that still can't live / Solution 4

[Diagram]

B1 saves black stones in the middle and W2 captures 18 stones.

Black must save 8 black stones in the middle otherwise White survives.

[Diagram]

B5 fills white+circle, White doesn't have an eye on the left.

[Diagram]

White has only one eye on the right, White dies.


[Diagram]

Variation 1

White doesn't have an eye on the left once Black plays B3.

[Diagram]

Variation 2

White doesn't have an eye on the left once Black plays B3.


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