noun
empty triangle; L-shaped formation of three stones
In Go, a specific bad shape where three stones form an L with an empty point at the corner, considered inefficient.
空き三角は悪形の代表例だ。
The empty triangle is a classic example of bad shape.
初心者はよく空き三角を作ってしまう。
Beginners often end up making an empty triangle.
悪形 is a general term for bad shape in Go, while 空き三角 is a specific bad shape.
Compound of 空き (empty) and 三角 (triangle), directly describing the shape.