Queens Gambit Declined Queens Knight Variation Skewer in Chess

In the queens gambit declined queens knight variation skewer, Black typically develops with ...Nf6 and ...e6, then uses a skewer to force the White queen and a more valuable piece to line up. The defining feature is that a tactical move (often involving a knight or bishop along a line) attacks the queen while simultaneously driving the pinned/behind piece into a worse position. The result is usually a gain of tempo or material because the queen must move while the stronger piece behind it is hit.