Discovered attack: bishop to c5
li-03Q03Opens in the app if installed, otherwise downloads the APK.
The tactical motive
Discovered attack: one piece steps aside, unleashing another's attack.
Difficulty 1099 ShuffleRating — club-player level.
Black to move — find the best continuation
How to recognize this tactic
A discovered attack fires when one piece steps aside and unmasks the piece behind it. Look for your own units that block a rook, bishop or queen: moving the front piece — ideally with a threat of its own — springs two attacks in one move.
General method: before you move, list the forcing candidates — every check, every capture, every direct threat — and calculate those first. The solution to a tactic is almost always among them.
Position on the board
White: king g1, queen e4, rook d1, bishop g2, pawn a2 b3 g3 h3 f4 f6.
Black: king g8, queen c7, rook d8, bishop d6, pawn a6 c6 g6 h6 b7 f7.
10 white and 10 black pieces are on the board; the puzzle position arises after move 27.
The position in numbers
Material is level — 23 points of pieces on each side (pawn = 1, knight and bishop = 3, rook = 5, queen = 9).
The white king stands on g1, the black king on g8.
It is Black to move on move 27, with 28 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 6 pawns, Black 6. Files fully open (no pawns of either colour): d, e — natural highways for the rooks and queen.
The Black king has 3 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
27... Bc5+ 28. Kh2 Rxd1
Why it works
- Great move! bishop to c5 keeps the pressure (+5.4).
- Well found: rook to d1 (+5.4).
- You win a piece — the rook.
- If instead Kh2, then Rxd1 and you win the rook.
Move by move
- 27… Bc5+ — bishop to c5 with check
- 28. Kh2 — king to h2
- Rxd1 — rook to d1 (capture)
Types in this puzzle
Discovered attack
A piece steps aside and opens a second attack from the piece behind it.
A discovered attack works like a curtain: one piece steps off the line and unveils the long-range piece behind it. The beauty is that the moving piece can create a second threat of its own — two attacks in one move. Look for your stacked pairs: a bishop or rook behind a knight or pawn, aimed through them at something valuable. Send the front piece to the most aggressive square — a discovery without a second threat wastes half its power.
Clearance
Clear your own piece out of the way — with tempo — for the decisive blow.
Clearance is about your own piece standing in the way of the decisive blow — so you move it aside, or even throw it away. The key is to clear with tempo: jump off with a check, a capture or a threat, giving the opponent no time to regroup. The telltale sign: you see a crushing queen or rook move, but one of your own pieces blocks the line or occupies the square. Do not cling to it — a clearance sacrifice usually costs less than a missed attack.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 007
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