Pins: The Piece That Can't Move
A pinned piece is stuck — learn how to create pins and how to escape them.
✓ After this lesson, you will recognize pins instantly, know how to exploit them, and know how to defend against them.
Core Concept
A pin immobilizes a piece because moving it exposes something more valuable
A pin occurs when a piece cannot move (or should not move) because doing so would expose a more valuable piece behind it to capture. Absolute pins (against the king) are enforced by the rules — the piece literally cannot move. Relative pins (against a queen or rook) can technically be broken, but usually at great cost.
Key Principles
- 1Bishops and rooks are the primary pinning pieces — look for enemy pieces lined up on diagonals and files
- 2An absolute pin (to the king) means the pinned piece cannot legally move; pile up pressure on it
- 3Attack a pinned piece with pawns and minor pieces to win it, since it cannot run away
- 4To break a pin, either block the pin line, move the more valuable piece off the line, or counter-attack the pinning piece
Common Mistakes
Ignoring pins on your own pieces
If your opponent pins one of your pieces, address it promptly. A pin that lingers often leads to material loss as your opponent adds pressure.
Not exploiting relative pins
Just because a piece can technically move out of a relative pin does not mean it will. Add attackers to the pinned piece before your opponent unpins.
Pinning pieces that can easily escape
A pin is only effective if the opponent cannot cheaply break it. Make sure your pin will last long enough to be exploited.
Related Lessons
The Pin — Restricting Your Opponent
Master the pin tactic to restrict pieces and create material advantages.
The Fork — Attacking Two Pieces at Once
Win material consistently with the fork tactic — attacking multiple targets simultaneously.
Forks: Attack Two Things at Once
The fork is the most common tactic in chess — learn to spot and execute double attacks with every piece type.