Main line: HashimotoUtaro Variations: unkx80, Dieter
White lives in seki because Black can at most almost fill her eye space with a bent four.
As you can see: and points are miai.
There is death in the hane : The door group is dead.
If White answers the marked stone ( in the Main Line) with here, Black kills with by making miai of a and b.
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Referenced byGokyoShumyoSectio...