Discovered Attack Puzzles

Some of the meanest tactics in chess come from a piece that isn’t even the one moving. A discovered attack is when you move one piece out of the way and unmask an attack from a second piece behind it — so you make two threats with a single move. Discovered attack puzzles train that double-vision. The set below is live and drawn from real games; solve a few and you’ll start seeing the “hidden” attacker lurking behind your own pieces.

How to use this page

• Look for your own pieces blocking a rook, bishop, or queen’s line.
• The moving piece gets a free threat — make it a good one (a check or a capture).
• Missed it? Identify which piece was doing the “discovering.”

What is a discovered attack, exactly?

A discovered attack works because one of your own pieces is standing in front of a long-range piece — a rook, bishop, or queen — blocking its line of fire. When you move that front piece away, the piece behind suddenly attacks along the now-open line. The genius is that the front piece can make its own threat as it leaves. So you get two attacks for the price of one move, and the opponent can only answer one. The most devastating version is the discovered check: the unmasked piece checks the king, which forces the opponent to deal with the check — while your moving piece grabs something valuable, totally unopposed. For the full mechanics, read our guide to the discovered attack.

How to spot a discovered attack (the cues that matter)

1. Find your own blockers. Look for a friendly piece sitting directly in front of your rook, bishop, or queen. That’s the trigger.
2. Check what the back piece would hit. Mentally remove the blocker. Does the piece behind it now attack the enemy king or queen? If so, you’re in business.
3. Give the moving piece a job. The best discoveries have the front piece make a threat as it moves — a capture, a fork, or a check of its own.
4. Prioritize discovered checks. If the unmasked piece checks the king, the opponent is forced to respond to the check — so your moving piece can take almost anything.
5. Watch for double check. If both pieces give check at once, the king must move — it can’t block or capture its way out. That’s often mate or a clean win.

Common mistakes to dodge

• Moving the front piece to a bad square. The discovery only pays off if the moving piece lands somewhere useful. Don’t waste the free tempo.
• Forgetting the opponent answers the bigger threat. They’ll deal with the check or the queen attack — so make sure the threat you keep is the winning one.
• Overlooking your own blocked pieces. Discoveries hide in plain sight. Train yourself to notice when a piece is caged behind a friend.
• Missing double check entirely. When both pieces hit the king, only a king move is legal — a detail that turns many positions into forced mate.

Keep training

• Master the theory: what a discovered attack is, plus discovered and double check.
• See the broadest version of the idea: double attack puzzles.
• Watch discoveries chained into a monster: windmill puzzles.
• Sharpen basic two-target vision with fork puzzles.
• Back to the full puzzle library.

Discovered attack puzzle FAQ

What makes a discovered attack so strong? It creates two threats in one move. The opponent can only answer one, so the other lands for free.

What’s a discovered check? A discovered attack where the unmasked piece checks the king. Because a check must be answered, your moving piece can grab material unopposed.

What’s a double check? When the moving piece and the unmasked piece both give check simultaneously. The king is forced to move — it can’t block or capture out of it.

Where do these puzzles come from? Real games in the Lichess open puzzle database (CC0), each engine-verified at the source.

Curated and written by the Chess Lab Academy Editorial Team (AI-assisted, human-edited) · Puzzles from the Lichess open database (CC0) · Last verified 2026-07-13 · How we verify content.