Line piece
In the context of chess, a line piece is, as you might imagine, a piece that moves along a straight line. These are namely the Queen, Rooks, and Bishops. They're also the pieces that can move a variable distance, making them useful for pinning, skewering, and discovered attacks.
Chess terms: Attacking | Capturing | Check | Hanging | Interposing | Line piece | Material | Piece | Reply
