Fork: queen to c3 (d4)
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The tactical motive
Fork: one piece attacks two targets at once — they can't both be saved.
Difficulty 2236 ShuffleRating — expert level — few solve it at first try.
White to move — find the best continuation
How to recognize this tactic
A fork is one piece attacking two targets at once. Look for a knight, pawn or queen move that lands where it hits the king (or a bigger piece) and a second undefended unit on the same turn — the opponent can save only one.
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 h1, queen d4, rook g2, pawn d3 h4.
Black: king c6, queen f3, rook d2, pawn a7 b7.
5 white and 5 black pieces are on the board; the puzzle position arises after move 42.
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 h1, the black king on c6.
It is White to move on move 42, with 26 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 2 pawns, Black 2. Files fully open (no pawns of either colour): c, e, f, g — natural highways for the rooks and queen. Half-open for White: a, b.
The White king has 2 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
42. Qc3+ Kd7 43. Qxd2 Qh3+ 44. Kg1
Why it works
- Great move! queen to c3 keeps the pressure (+5.2).
- Well found: queen to d2 (+5.6).
- Strong! king to g1 is the sharp choice (+6.2).
- You win a piece — the rook.
- If instead Kd7, then Qxd2 and you win the rook.
Move by move
- 42. Qc3+ — queen to c3 with check
- Kd7 — king to d7
- 43. Qxd2 — queen to d2 (capture)
- Qh3+ — queen to h3 with check
- 44. Kg1 — king to g1
Types in this puzzle
Royal fork
A fork with check: the king must move, and the second piece is lost.
A royal fork is a fork with check — one of the two targets is the king itself. The check must be answered first, so nobody is left to rescue the second piece. Look for squares where your piece gives check and simultaneously attacks an undefended queen or rook. It is the most reliable fork of all, because your opponent literally has no choice.
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.
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).
Pack 015
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