How do I spot a discovered attack in a middlegame?

Look for a piece standing in front of a queen, rook, or bishop on the same file, rank, or diagonal. If that front piece can move with check, capture, or another forcing threat, the rear piece may suddenly attack something valuable.

What is a zwischenzug in chess?

A zwischenzug is an intermediate move played before making the obvious recapture or retreat. It is usually a check or tactical threat that changes the position and improves the result of the original exchange.

How does a skewer work in chess?

A skewer attacks a valuable piece first, forcing it to move and exposing a less valuable piece behind it. Checks are especially powerful skewers because the opponent must respond before addressing the secondary attack.

How can I find a winning combination when my piece is attacked?

Do not automatically move the threatened piece. Search for forcing checks, captures, and discovered attacks that create a stronger threat or win material elsewhere.

Qxd4 Puzzle (Rated 911): Skewer

Qxd4 Puzzle (Rated 911): Skewer — Win Material

A discovered attack occurs when one piece moves away and uncovers a line of attack from another piece behind it. In this middlegame puzzle, White is under pressure and appears to have a bishop attacked, but the tactical situation favors a forcing response. The key idea combines check with a hidden attack on the enemy queen, turning an apparent defensive problem into a decisive material gain. Always look for line-opening moves before retreating a threatened piece.