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Attack through one piece to threaten another piece behind it

Updated: 2/1/2024

X-Ray Attack

An x-ray attack occurs when a piece attacks through another piece (either friendly or enemy) to threaten a piece behind it.

Key Concepts

Attacking Through Pieces

The attacking piece "sees through" one piece to attack another.

Indirect Pressure

The piece behind is under indirect attack.

Potential Tactics

X-ray attacks can lead to various tactical opportunities.

Types of X-Ray Attacks

X-Ray Defense

A piece defends another piece through an enemy piece.

X-Ray Attack on King

Attacking the king through another piece.

X-Ray on Material

Threatening material behind a piece.

Common Patterns

  1. Rook X-Ray: Rooks attack along ranks and files through pieces
  2. Bishop X-Ray: Bishops attack along diagonals through pieces
  3. Queen X-Ray: Queens can x-ray on multiple lines
  4. X-Ray Checkmate: Using x-ray to deliver checkmate

Creating X-Ray Attacks

  • Align pieces on the same line
  • Look for pieces behind other pieces
  • Calculate if removing the front piece helps
  • Consider forcing the front piece to move

Exploiting X-Ray Attacks

  • Force the front piece to move
  • Capture the front piece
  • Use the x-ray for defensive purposes
  • Combine with other tactics

Defending Against X-Ray

  • Be aware of aligned pieces
  • Move pieces off dangerous lines
  • Block the x-ray attack
  • Create counter-threats

Practice Tips

  • Look for pieces on the same line
  • Identify x-ray relationships
  • Calculate what happens if pieces move
  • Study x-ray puzzles

X-ray attacks add depth to tactical calculations and positional understanding.

Related tactics: pin-tactics, skewer-tactics, discovered-attack, windmill-tactic