What is a discovered attack in chess?

A discovered attack occurs when one piece moves and reveals an attack from a piece behind it. The moving piece may create its own threat too, making the tactic especially powerful when the opponent cannot answer both problems.

How do I spot a decoy tactic in a chess middlegame?

Check whether an apparently free capture would force an enemy piece onto a vulnerable square or away from an important defensive duty. Compare the position before and after the likely recapture, paying close attention to newly opened files, ranks, and diagonals.

Why are queen trades dangerous in classical chess tactics?

A queen trade can change the value of every pin, open line, and overloaded defender on the board. Before accepting one, calculate which rook, bishop, or knight becomes exposed after the queens leave the original squares.

How can I improve at finding hanging pieces in chess puzzles?

After every forcing move, scan for pieces that have lost protection or become exposed to a newly opened line. Use a consistent checklist: checks, captures, threats, then loose pieces and pinned defenders.

What is the difference between a pin and a discovered attack?

A pin restricts a piece because moving it would expose a more valuable unit behind it. A discovered attack is the active use of that same line idea: a piece moves to uncover an attack that immediately creates a threat.

Erich Eliskases (White) Puzzle: Decoy — Discovery

A discovered attack works when moving one piece uncovers the line of another, creating a threat that was hidden a move earlier. In this position, White can exploit Black’s active rook and the alignment of the major pieces by offering a tempting capture. The point is not simply to trade: the exchange lures an enemy piece onto a square where a newly opened line wins decisive material. It is a tactical answer to Black’s activity.