A discovered attack happens when you move one of your pieces and reveal an attack from another piece behind it. You uncover a threat that was previously blocked, which often forces your opponent to react immediately.
I want you to think of it as a simple structure. You have two of your pieces placed on the same line. The piece in front moves away. The piece at the back starts to attack something valuable, such as a queen or rook.
In practice, you often create discovered attacks with long range pieces such as a bishop, rook, or queen. They use open files, ranks, or diagonals to pressure an enemy piece. The piece you move can also create its own threat, which is why discovered attacks are so effective. This is the foundation that the later sections will build on.
Table of Contents
How a discovered attack works
To better understand discovered attacks, let’s break them into simple parts.
- Piece alignment. Two of your pieces sit on the same line of movement. The piece at the back already controls that line, but its path is blocked.
- Revealing the attack. When you move the front piece, the rear piece gains an open route towards an enemy square or piece. This shift happens instantly because you do not spend an extra move to activate the second piece.
- Creating a double threat. The tactic becomes stronger when the moved piece does something useful. It may attack a pawn, pressure a piece, or threaten a fork. This forces your opponent to handle two issues at once.
If we visualise this, it would look like this.

You should also know that there are two types of discovered attacks:
- A discovered check appears when the revealed attack targets the king.
- A discovered attack on a piece appears when the uncovered line hits something valuable, such as a queen or rook.
These elements form the basis of how the tactic operates and prepare you for learning how to perform it in real positions.

How to perform a discovered attack
You perform a discovered attack by creating a position where moving one piece forces your opponent to face more than one threat. Your goal is to choose a move that opens the line for the back piece while also improving the position of the piece that moves.
Start by checking if any of your long range pieces point towards something useful. If the line is blocked by your own piece, consider whether moving that piece could lead to pressure on your opponent. The front piece should not move randomly. It must create a clear threat, such as a stronger attack, a safer square, or a forcing move that limits your opponent’s choices.

Before committing to the tactic, calculate how your opponent can respond. A discovered attack only works when your opponent cannot solve both problems at once. The chess diagram that you see above, is one of those cases. By moving the white bishop to e5, we create a check for the black king, and threaten the black rook on c4. Black has no chances of saving the rook, as the king is in check.
So always pay attention if your opponent can defend the revealed threat and neutralise the moved piece at the same time. If they can do that, then the idea will not work. When both parts of the tactic are active and the opponent cannot cover them, the discovered attack succeeds.
Tips for using discovered attacks effectively
You can use discovered attacks more reliably when you follow a few practical habits during your games.
- Look for alignments naturally. Train yourself to notice when your long range pieces point towards important enemy squares. Many discovered attacks appear simply because you recognised a useful line before your opponent did.
- Create a useful threat with the moved piece. A discovered attack becomes stronger when the front piece does something active. A simple capture, a check, or pressure on a key square often forces your opponent into a difficult position.
- Improve the position before striking. If the alignment is present, but the tactic is not ready, make small developing moves that increase your control of the area. Sometimes you need one extra tempo before the discovered attack becomes effective.
- Remove defenders when needed. If a defender makes the discovered attack weaker, consider exchanging it or forcing it to move. Clearing the surrounding area often turns a near-tactic into a winning one.
- Avoid leaving the front piece unprotected. Be careful not to expose the moved piece to a simple countercapture. A discovered attack should gain value, not lose material.
These habits make it easier for you to spot the tactic early and use it confidently in real games.
Test your skills
Let’s wrap up this lesson by solving a few chess puzzles with discovered attacks. You’ve got the theory, so now it is time to practice and spot discovered attacks in real positions.
Easy chess puzzle with a discovered attack
Intermediate chess puzzle with a discovered attack
Advanced chess puzzle with a discovered attack







