Fork: queen to d4 (d2)
li-0CnB0naming tag (square·N)Opens in the app if installed, otherwise downloads the APK.
The tactical motive
Fork: one piece attacks two targets at once — they can't both be saved.
Difficulty 1910 ShuffleRating — for advanced tacticians.
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 d2, rook b1 f1, bishop g5, knight d5, pawn a2 g2 h2 b3 f3 c4.
Black: king g8, queen d7, rook e2 e8, bishop d4 a6, pawn c5 d6 g6 a7 f7 h7.
12 white and 12 black pieces are on the board; the puzzle position arises after move 25.
The position in numbers
Material is level — 31 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 g8.
It is White to move on move 25, with 46 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): e — natural highways for the rooks and queen. Half-open for White: d.
Black hold the bishop pair, an edge in open lines. 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
25. Qxd4 cxd4 26. Nf6+ Kg7 27. Nxd7
Why it works
- Great move! queen to d4 keeps the pressure (+3.9).
- Well found: knight to f6 (+3.6).
- Strong! knight to d7 is the sharp choice (+3.8).
- You win a piece — the queen.
- If instead cxd4, then Nf6+ and you stay on top.
Move by move
- 25. Qxd4 — queen to d4 (capture)
- cxd4 — pawn to d4 (capture)
- 26. Nf6+ — knight to f6 with check
- Kg7 — king to g7
- 27. Nxd7 — knight to d7 (capture)
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.
Sacrifice attack
Give up material to unleash a decisive attack.
A sacrificial attack gives up material on purpose to rip the king's shelter open and launch a decisive assault. The sac is sound when you get concrete assets in return: open lines to the king, tempi, pieces ready to pour in. The signs: a poorly sheltered king, your forces aimed at its home, defenders stranded far away. The iron rule is to calculate, not hope — once the material is gone, there is no way back.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 014
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