Deflection: rook to c8
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The tactical motive
Deflection: force the defender to abandon its post.
Difficulty 1803 ShuffleRating — for advanced tacticians.
White to move — find the best continuation
How to recognize this tactic
Deflection drags a defender away from its duty. Identify the enemy piece that guards a key square or mate, then force it to move — with a check, a capture or a threat it must answer — and strike where it no longer defends.
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 h2, queen d6, rook c1, knight e2, pawn d2 h3 f4 e5.
Black: king e8, queen d5, rook g6, bishop e6, pawn d4 h4 b5 f5 a6 f7.
8 white and 10 black pieces are on the board; the puzzle position arises after move 42.
The position in numbers
Black are ahead by 2 points of material (21 against 23; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on h2, the black king on e8.
It is White to move on move 42, with 33 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 4 pawns, Black 6. Files fully open (no pawns of either colour): c, g — natural highways for the rooks and queen. Half-open for White: a, b.
The White king has 0 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
42. Rc8+ Bxc8 43. Qxd5
Why it works
- Great move! rook to c8 keeps the pressure (+5.1).
- Well found: queen to d5 (+5.2).
- You win a piece — the queen.
- If instead Bxc8, then Qxd5 and you win the queen.
Move by move
- 42. Rc8+ — rook to c8 with check
- Bxc8 — bishop to c8 (capture)
- 43. Qxd5 — queen to d5 (capture)
Types in this puzzle
Deflection
Force the defender away from its duty — then strike what it guarded.
Deflection forces the guard to leave its post: a sacrifice or exchange drags it away from the piece or square it protects. First find the critical defender — the piece whose absence makes the mate or the material win possible. Then find the move it cannot ignore, which is usually a capture. Do not be stingy: if removing the guard wins the queen or mates, the sacrifice pays for itself many times over.
Only move
Everything else loses — find the only move that holds.
An only move is a position where everything loses except one single continuation. You cannot play "by hand" here: run through fundamentally different defenses — run away, block, trade, counterattack — and discard the ones that fail. The hallmark of these puzzles is that the obvious moves lose quickly while the solution often looks strange. First understand exactly what the threat is — then the one saving move reveals itself.
Mate defense
Mate is threatened — parry it and stay on top.
Mate defense: your opponent is one move from mating you — but it is your turn, and that changes everything. Find the defense that kills the mating threat while keeping your advantage: often a check or a counter-threat that leaves no time for the mate. First name the exact square where the mate would land — otherwise you are defending blind. The mistake is playing a "defensive" move that does not actually remove the threat.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 013
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