Fork: bishop to c5 (e7)
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The tactical motive
Fork: one piece attacks two targets at once — they can't both be saved.
Difficulty 772 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 f2, queen a7, rook c1, bishop f4, pawn g3 h3.
Black: king g8, rook c8 e8, bishop e7, pawn c3 e4 f7 g7.
6 white and 8 black pieces are on the board; the puzzle position arises after move 33.
The position in numbers
White are ahead by 2 points of material (19 against 17; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on f2, the black king on g8.
It is Black to move on move 33, with 27 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 2 pawns, Black 4. Files fully open (no pawns of either colour): a, b, d — natural highways for the rooks and queen. Half-open for Black: h.
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
33... Bc5+ 34. Qxc5 Rxc5
Why it works
- Great move! bishop to c5 keeps the pressure (+5.1).
- Well found: rook to c5 (+5.1).
- You win a piece — the queen.
- If instead Qxc5, then Rxc5 and you win the queen.
Move by move
- 33… Bc5+ — bishop to c5 with check
- 34. Qxc5 — queen to c5 (capture)
- Rxc5 — rook to c5 (capture)
Types in this puzzle
Winning blow
Find the strike that wins material by force.
A winning blow is a forced material gain that does not fit a single textbook motif. The general tactical recipe applies: spot loose pieces, an awkwardly placed king, overloaded lines. Go through the forcing moves in order of violence — checks, captures, threats — because most combinations start with one of them. Do not judge by feel: calculate the concrete line until the outcome is beyond doubt.
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.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 001
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