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RE: computer-go: Go4++: Passing in tsume searches.




>What you are asking for is a seki with mutual liberties.  You can
>construct one with lots of these:

>(lower edge)

> . . . . . . . . . . . . . . . .
> . O O O O O O O O O O O O O O .
> . O X X X X X X X X X X X X O .
> . O X . . . . . . . . . . X O .
> . O X O O O O O O O O O O X O .

no, the condition is defender *must* pass or die. 
here black can play an live.

/Johan