noun
ponnuki; diamond-shaped capture of a single stone
A Go term for capturing a single stone so that the capturing stones form a diamond shape. The resulting shape is strong and efficient.
ポン抜きは効率の良い形だ。
A ponnuki is an efficient shape.
この局面ではポン抜きが急所だ。
In this position, the ponnuki is the vital point.
From ポン (pon, onomatopoeia for a light popping sound) + 抜き (nuki, 'capture' in Go). The term evokes the quick, clean removal of a single stone.