Largest capture that still can't live / Solution 3

W4 at white+circle captures 17 stones...  
...but can't make life  

W2 can't harm Black in the corner.

B3 at W4 would only be ko.

To force W6, the "snorkel" was needed.


The throw-in at W2 would make an interesting study too. This variation may contain blind spots that can be quite hard to read correctly.


Now, the second throw-in at W4 must be answered by connecting at B5. If B5 captures at a, then White b results in a ko which White captures first. Now, if W6 plays at b, then B7 captures at c; and if W6 plays at c, then B7 blocks at d.


If W4 ataris from the bottom, then it is sufficient to connect at B5.

Largest capture that still can't live / Solution 3 last edited by tapir on October 9, 2010 - 13:59
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