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Fork: pawn to g4

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Shuffle Rating 1881Theme: Fork: one piece attacks two targets at once — they can't both be saved.
Black to move — find the best continuation

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The tactical motive

Fork: one piece attacks two targets at once — they can't both be saved.

Difficulty 1881 ShuffleRating — for advanced tacticians.

Black 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 h3, rook f3, knight c4, pawn a2 b2 g2 c3 d4.

Black: king f6, rook e2 f4, pawn g5 c6 a7.

8 white and 6 black pieces are on the board; the puzzle position arises after move 32.

The position in numbers

Material is level — 13 points of pieces on each side (pawn = 1, knight and bishop = 3, rook = 5, queen = 9).

The white king stands on h3, the black king on f6.

It is Black to move on move 32, with 24 legal replies to weigh — only the line that keeps the advantage solves the puzzle.

White keeps 5 pawns, Black 3. Files fully open (no pawns of either colour): e, f, h — natural highways for the rooks and queen. Half-open for Black: b, d.

The Black king has 6 empty squares to step to right now — the fewer they are, the closer a mating net.

Solution & explanation

Main line

32... g4+ 33. Kg3 gxf3

Why it works

  • Great move! pawn to g4 keeps the pressure (+4.9).
  • Well found: pawn to f3 (+4.9).
  • You win a piece — the rook.
  • If instead Kg3, then gxf3 and you win the rook.

Move by move

  • 32… g4+ — pawn to g4 with check
  • 33. Kg3 — king to g3
  • gxf3 — pawn to f3 (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.

Endgame tactic

Tactics live in the endgame too — strike while material is scarce.

Tactics do not retire when the queens come off: forks, pins and double attacks live on in the endgame. With so little material left, every tactical loss is almost always decisive. The signs are the usual ones — undefended pieces, king and piece on one line, a pawn about to promote. Even in a "technical" ending, scan for a shot before every move, both yours and your opponent's.

Provenance

Derived from the Lichess puzzle database (CC0).

Verified by Stockfish at depth 20+.

Solution forcedness confirmed (verified).

Pack 014

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