Catalan Opening Other Variations Hanging Piece in Chess

In the Catalan Opening (other variations), a “hanging piece” occurs when a key unit—often on c4, d4, or e4—has no immediate protection after a tactical exchange or tempo loss. The defining feature is that the Catalan’s pressure on the dark squares (typically via c4 and g2) can force the opponent to respond, leaving a piece temporarily undefended.