Fork: knight to e2 (c3·5)
li-05ZjGnaming 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 943 ShuffleRating — for beginners taking their first steps in Chess960 tactics.
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 g1, rook c1, bishop c2, knight f3, pawn f2 g2 a3 h3 b4 c5.
Black: king g8, rook d8, bishop b7, knight c3, pawn b5 c6 e6 f6 h6 g7.
10 white and 10 black pieces are on the board; the puzzle position arises after move 30.
The position in numbers
Material is level — 17 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 30, with 30 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: a.
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
30... Ne2+ 31. Kf1 Nxc1
Why it works
- Great move! knight to e2 keeps the pressure (+5.0).
- Well found: knight to c1 (+5.2).
- You win a piece — the rook.
- If instead Kf1, then Nxc1 and you win the rook.
Move by move
- 30… Ne2+ — knight to e2 with check
- 31. Kf1 — king to f1
- Nxc1 — knight to c1 (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 005
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