Skewer: rook to c1 (c6)
li-02MkWnaming tag (square·N)Opens in the app if installed, otherwise downloads the APK.
The tactical motive
Skewer: a valuable piece is forced to move, exposing the one behind it.
Difficulty 1208 ShuffleRating — club-player level.
White to move — find the best continuation
How to recognize this tactic
A skewer is a pin reversed — the valuable piece stands in front and, when it moves, the piece behind falls. Line your rook, bishop or queen up against the king or queen and win whatever is hiding behind it.
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 g2, rook c6, bishop f3, pawn f2 b3 g3 h4.
Black: king e1, queen d4, pawn b4 a5 h6 g7.
7 white and 6 black pieces are on the board; the puzzle position arises after move 46.
The position in numbers
Black are ahead by 1 points of material (12 against 13; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on g2, the black king on e1.
It is White to move on move 46, with 26 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 4 pawns, Black 4. Files fully open (no pawns of either colour): c, d, e — natural highways for the rooks and queen. Half-open for White: a.
The White king has 4 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
46. Rc1+ Kd2 47. Rd1+ Kc3 48. Rxd4
Why it works
- Great move! rook to c1 keeps the pressure (+5.8).
- Well found: rook to d1 (+6.2).
- Strong! rook to d4 is the sharp choice (+6.0).
- You win a piece — the queen.
- If instead Kd2, then Rd1+ and you stay on top.
Move by move
- 46. Rc1+ — rook to c1 with check
- Kd2 — king to d2
- 47. Rd1+ — rook to d1 with check
- Kc3 — king to c3
- 48. Rxd4 — rook to d4 (capture)
Types in this puzzle
Skewer
A line attack forces the valuable piece to move, exposing the one behind it.
A skewer is a pin turned inside out: the valuable piece stands in front and something cheaper hides behind it. The big piece must step aside, and you collect the one that was sheltering in its shadow. Scan for the enemy king or queen sharing a file, rank or diagonal with another enemy piece. The deadliest version comes with check — the king moves, the rook behind it dies.
Queen endgame
Queens on an open board — precision above all.
Queen endgames are treacherous: the queen reaches everywhere, and one slip turns a win into perpetual check. The signs are few pawns, exposed kings, and checks hanging in the air. Tuck your king away early, and use your own checks to bring the queen closer or push your passer with tempo. The typical mistake is grabbing pawns while leaving your king exposed to endless checks.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 008
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