shimari
A two-stone-or-more formation that secures a corner and makes invasion less effective.
Also known as
A shimari is a corner enclosure made with two or more stones to secure a corner area. The supporting stones are commonly placed at a knight’s-move distance or farther from a corner stone. Together, they enclose potential territory while leaving room for the position to develop.
Its purposes are to secure corner territory, establish a stable base, and reduce the effectiveness of an opponent’s corner invasion. A shimari may be complete or still developing. This differs from a kakari, which is an approach move directed against a corner stone. A shimari does not make the corner completely invulnerable: its value and the best time to complete it depend on surrounding stones and the wider position.
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