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Shape Problem 4 / Discussion
Sub-page of ShapeProblem4
Charles Matthews My first comment here is that the shape relationship between
In this case
And also in this case
In this case:
I recommend on general grounds this 'big bulge' shape made of two keima.
HolIgor: We have a winner. This is what I meant.
A play at a becomes impossible.
Maybe there are still 3-3 invasion problems at a after
Jan: This was my first idea too, but Charles was quicker[1] (but then, I haven't written a book on shape :-). One thing I wasn't sure about was whether the correct solution really keeps white separated. What happens after the following moves?
Karl Knechtel: I'm not convinced of that. (5-8 are shown to indicate that a counterattack is futile.)
[1] Charles Not in the book, and of course I cheated with a database (I wouldn't enjoy posting comments without some sort of verification). But 'big bulge' is a term from Shape Up! This is a copy of the living page "Shape Problem 4 / Discussion" at Sensei's Library. ![]() |