The fork is the most common tactic in Chinese chess and the easiest to learn. It needs no deep calculation: you simply notice a moment when your opponent's pieces stand badly, and one move threatens two of them at once.

1. What a fork is

A fork is a single move that attacks two enemy pieces (or one piece plus a key point). Your opponent can answer only one threat, so they must decide which one to lose. Because one move creates two threats, a fork is almost always a good trade in a middlegame where the pieces are of similar value.

2. Which pieces fork best

Horse — the L-shaped jump reaches several points at once. When two enemy pieces happen to sit inside that reach, one hop forks them. Horse forks are the hardest to see coming and the hardest to prevent.

Cannon — a cannon attacks along a line and captures over a screen, and it often borrows enemy pieces as that screen. Sliding a cannon to a new file can threaten targets on two lines, which makes it the standard material-winning device in the opening and middlegame.

Chariot — a chariot controls a whole rank or file, so if two enemy pieces stand on the same line (or on two lines that meet at the chariot's square) it can fork them as well. Chariot forks rely more on the opponent's poor coordination.

3. The common shapes

  1. Horse fork — the horse lands on a point attacking, for example, both the chariot and the cannon.
  2. Cannon fork — a cannon slide or advance that hits two pieces, or one piece and a vital point (such as a mating square).
  3. Chariot fork — the chariot advances along a line and hits two adjacent or aligned targets.
  4. Soldier fork — a soldier that has crossed the river steps sideways and touches two pieces at once, for an enormous material gain relative to its value.

4. How to create the chance

Forks rarely appear by themselves. You usually have to build them:

  • Force their pieces together — pile-up is what makes a one-move double attack possible;
  • Use tempo first — a check or a threat forces them to move, and their answer often leaves two pieces exposed;
  • Occupy a hub square — put a horse or cannon where it reaches several targets, then wait for the right moment;
  • Target undeveloped pieces — pieces still sitting on their starting squares are the easiest to hit more than once.

5. What to check before you play it

  1. Can they counter-fork? If their reply threatens something bigger of yours, the fork does not work;
  2. Can they interpose or check? Some forks are neutralised by a block or a check that gains a tempo;
  3. Is it worth it? Winning a soldier while losing a horse is obviously not a gain.

Remember: winning material is good, but converting the fork into a stronger attack or a much better position is just as good a result.

6. How to practise

  • Replay your own games against the AI and look only for the moments when a fork was available;
  • When you find one, do not grab material immediately — first work out your opponent's best reply;
  • Combine forks with pins and discovered attacks so the threats reinforce each other.

Read next: the complete rules guide for the foundations, and Horse versus lone advisor to see how piece coordination decides endgames. To test it for real, open an online game and try the pattern against a human opponent.