Pin: rook to d1
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The tactical motive
Pin: a piece can't move without exposing something more valuable behind it.
Difficulty 1549 ShuffleRating — club-player level.
Black to move — find the best continuation
How to recognize this tactic
A pin freezes a piece in front of a more valuable one behind it. Scan the ranks, files and diagonals your bishop, rook or queen controls: if an enemy piece cannot move without exposing its king or queen, it is pinned and can be piled on or bypassed.
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, rook a1 e1, pawn a2 g2 h2 f4 b5 c5.
Black: king g8, rook d2 d8, pawn e2 f5 a7 b7 g7 h7.
9 white and 9 black pieces are on the board; the puzzle position arises after move 26.
The position in numbers
Material is level — 16 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 26, with 29 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 — natural highways for the rooks and queen. Half-open for Black: c.
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
26... Rd1 27. Kf2 Rxa1
Why it works
- Great move! rook to d1 keeps the pressure (+5.5).
- Well found: rook to a1 (+5.6).
- You win a piece — the rook.
- If instead Kf2, then Rxa1 and you win the rook.
Move by move
- 26… Rd1 — rook to d1
- 27. Kf2 — king to f2
- Rxa1 — rook to a1 (capture)
Types in this puzzle
Rook fork
The rook attacks two targets along rank and file at the same time.
A rook fork attacks two targets from one square — one along the file, the other along the rank. Look for enemy pieces standing at a right angle to each other, both visible from a single safe square. This is bread and butter in endgames, where a rook check picks up loose pieces and pawns along the way. Test every rook check you have: does it also hit something valuable on the other line?
Rook endgame
The most common endgame — activity decides everything.
The rook endgame is the most common of all: rooks and pawns on the board. Its first law is activity — a rook behind a passed pawn beats a rook passively babysitting one. The sign of a correct plan is that your rook is attacking something, not guarding something. The typical error is locking your rook into defense: it is often better to give up a pawn and keep your rook and king active.
Quiet move
No check, no capture — yet this modest move decides the game.
A quiet move gives no check and takes nothing — yet it decides the game by creating an unstoppable threat or stealing the king's last square. This is the hardest class of moves: the eye hunts for loud blows while a modest shift does the winning. The clue: every forcing try runs into a defense, so seek the move that strengthens the threat or takes squares away. Train yourself to ask: what if I neither capture nor check, but quietly improve?
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 011
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