(Referenced by 228; 1072)

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After - in the main course of Joachim's Ko-Semeai - Black threatens White's eye shape from the left, with , ...

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... White usually blocks immediately.

Thereafter, Black cuts at , so stopping White from getting two eyes.

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Accidentally, we discovered that White is able to also interchange the moves here, with taking the point to the right herself. The resulting effect on the relationship of liberties - between Black's large group in the upper right, and White's group in the centre - is the same as with the "usual" sequence shown above.

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This implies that - even after White's Kikashi of / in the upper left corner that solidified Black's shape there - Black cannot hope to benefit from aggressively cutting inside White's shape.