Almost every chess tactic is built from a small set of patterns: the fork, pin, skewer, discovered attack, double attack, and deflection. Learn these six and you will recognize the vast majority of tactics that appear in real games.
Think of them as the vocabulary of tactics — once you know the words, you can read the whole language.

Fork and double attack
A fork is one piece attacking two targets at once; a double attack is the same idea using two separate threats. The opponent can only answer one, so you win the other.
Knights are the most feared forkers because they hit pieces that cannot defend each other, but any piece — even a pawn — can fork.
Pin and skewer

These two use a line — a rank, file, or diagonal.
- A pin freezes a piece because moving it exposes something more valuable behind it.
- A skewer is the reverse: the valuable piece is in front and forced to move, exposing the piece behind it.
Whenever enemy pieces line up on the same line, look for a pin or skewer.
Discovered attack
A discovered attack fires when you move one piece and unveil an attack from another behind it. When the moving piece gives check at the same time — a discovered check — it is devastating, because the opponent must answer the check while your other piece grabs material for free.
Deflection and decoy

These force an enemy piece off its job.
| Pattern | Idea |
|---|---|
| Deflection | Force a defender away from what it guards |
| Decoy | Lure a piece to a bad square |
| Removing the defender | Capture or chase the piece holding things together |
If a key square or piece is defended just once, ask how you can remove or distract that single defender.
Tip: after your opponent moves, scan for pieces that are undefended or lined up. Tactics almost always start from a loose piece or an unfortunate alignment — train your eye to find those first.
Combine them to win
Real combinations often chain several patterns together — a deflection that sets up a fork, or a discovered check that wins a skewered queen. But every combination breaks down into these basic building blocks.
Study each pattern until you recognize it instantly, then solve puzzles that mix them. Master this vocabulary and tactics stop being surprises and start being tools you use on purpose.
