Oogeima-jimari
A wide corner enclosure that secures the corner while developing influence along the side.
Also known as
Oogeima-jimari is a large knight’s-move enclosure of a corner. It is usually played from a stone on the 4-4 point to the 6-3 point, or to the equivalent point in another orientation. The enclosing stone stands at a large knight’s-move distance from the corner stone.
This formation secures or reinforces corner territory while extending influence along the adjacent side more rapidly than a tighter enclosure. It is the large-knight counterpart of a keima shimari. Do not confuse it with an oogeima-gakari, which is an approach move rather than an enclosure. Because the formation is relatively wide, it leaves the opponent more room to approach or invade than a tighter corner enclosure.
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