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Bisecting A Knight Is A Big Cut Indeed
Keywords: Proverb
The keima usually provides a reasonably fast way of extending and in general won't be cut. After a StrikeAtTheWaistOfTheKeima, cutting on the other side isn't possible immediately because the opponent can be caught in a ladder:
(Note that the actual "strike at the waist of the keima" proverb refers to the situation where there's a supporting black stone - see the page for details. It came to mind, though.) Of course, with two moves in a row locally, black can plough straight through. The idea behind my proverb is that doing so is usually a very big play in actual game situations, and thus black 1 is sente and a big ko threat in many cases.
Why?
See also BQM23. lavalyn 17k:
While locally the keima is quite strong, it takes only the marked black to ensure the cut -
This is a copy of the living page "Bisecting A Knight Is A Big Cut Indeed" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |