Zwischenzug (In-Between Move): chess tactic

An intruder move that wrecks the opponent's plan

An in-between move that interrupts a forced trade. Slip in something more forcing first; recapture after.

• Before a trade, pause for a bigger threat.
• Checks and queen attacks are the usual in-between moves.
• If the opponent recaptures on instinct, ask if you can slip in something worse.