noun
one-space jump; one-point jump
In go, a move that jumps one intersection away from a friendly stone, skipping one space.
隅の石から一間飛びに打つ。
Play a one-space jump from the corner stone.
一間飛びは、相手の攻めをかわしやすい。
A one-space jump is good for dodging the opponent's attack.
Compound of 一間 (いっけん, 'one space') and 飛び (とび, 'jump'), describing the move's shape in go.