Every Day Chess › Tactics › Discovered attack
Discovered Attack in Chess
A discovered attack is one of the most powerful tactical ideas in chess: you move a piece out of the way and reveal an attack from a second piece that was sitting behind it. The moving piece can create its own threat at the same time — giving the opponent two simultaneous problems to deal with and typically only one move to respond.
Why discovered attacks are so powerful
The secret is the double threat. When you execute a discovered attack, two things happen at once: the piece you moved makes one threat, and the piece now revealed makes a different threat. Your opponent can only respond to one of them. If either threat is capture of a piece or checkmate, the discovered attack wins material or the game. The most extreme version — the discovered check — is even harder to escape, because the opponent must deal with check before they can address the other threat at all.
The discovered check
A discovered check occurs when you move a piece and the move reveals a check on the opponent's king from the piece behind. The moving piece is free to go anywhere — it cannot itself be captured, because the opponent must move their king out of check first. This means the piece you move can capture an undefended piece, threaten checkmate, or place itself on a fantastic square, all while the opponent is forced to deal with the check.
The double check
The most devastating form is the double check, where both the moving piece and the revealed piece give check simultaneously. The only legal response to a double check is to move the king — you cannot block or capture when both checks come at once. This severely limits the opponent's options and often leads to forced checkmate sequences.
How to spot a discovered attack
Look for positions where:
- A long-range piece (rook, bishop, or queen) is blocked by one of your own pieces. That blocking piece is your "front man" — move it and the attack is revealed.
- The front piece can land on a threatening square. The best discovered attacks work because the front piece goes somewhere dangerous while the revealed piece creates a second problem. Look for squares where your front piece can check the king, attack the queen, or capture a loose piece.
- The opponent cannot deal with both threats. Before committing, verify that the discovered attack creates two threats and the opponent has no single move that addresses both.
Try three discovered attack puzzles
Here are three positions where a discovered attack is the winning idea. Tap a piece, then tap its destination — same board and rules as the daily workout.
Setting up discovered attacks
The best players think about discovered attacks before they are available — they position their pieces so the setup is possible a few moves later. Three principles:
- Put long-range pieces behind active pieces. A bishop behind a knight, or a rook behind a bishop, sets up the possibility of a discovered attack whenever the front piece has a good square to jump to.
- Keep the opponent's king restricted. A discovered check only works if the king has limited escape squares. Look for positions where you can first limit the king's mobility, then unleash the discovery.
- Create the alignment actively. Many discovered attacks require moving the revealing piece into position first. Ask: if I move my bishop to this diagonal, does it align with the opponent's king or queen? If so, the front piece becomes a potential trigger.
How Every Day Chess builds discovered-attack recognition
Discovered attack positions appear throughout the daily ten, especially in the middle band and above where combinations become multi-step. The free workout tracks your theme accuracy and your misses come back as Rematches. The Program's assessment identifies whether discovered attacks are a systematic gap — whether you miss them most in the setup phase, the execution phase, or the follow-through.
Practice discovered attacks in today's live puzzles — free.
Ten daily chess puzzles at your level. Skill tracked by theme. No account, no card.
Play today's ten →