Tactics
What is a Fork in chess?
- Material
- Double Threat
- Tactic
A single piece attacks two or more important targets at once.
What to look for on the board
- Two valuable targets on the same color complex for a knight.
- A pawn push that attacks two pieces diagonally.
- A check that also attacks loose material.
Where the term comes from
The name is borrowed from the fork's prongs — one move, several targets. Knight forks get the most attention because the knight's move is the hardest to visualise, but every piece can fork, and pawn forks decide more club games than most players notice.
Fork FAQ
What is a fork in chess?
A single piece attacks two or more important targets at once.
How do you spot a fork on the board?
Look for: Two valuable targets on the same color complex for a knight.; A pawn push that attacks two pieces diagonally.; A check that also attacks loose material..
What is the most common mistake with a fork?
Calling every double threat a fork. If the threats come from different pieces or ideas, it is better taught as a double attack.
How do you get better at using a fork?
A fork works best when one target is the king, because the opponent must answer check first.
Train this pattern on your own games
Reading a definition is not the same as spotting the pattern with a clock running. Chessiro's free game review runs Stockfish 18 over every move you play, names the concept behind each mistake, and turns the positions where it cost you into training puzzles. You can also see the idea in action in the classic games collection, where the greatest players in history demonstrate it.
Types and patterns
Related terms
Free game review
See where fork decides your games
Chessiro reviews your games with an AI coach that names the concept behind every mistake, then drills you on the exact positions where it happened until you stop repeating them.
