Chess Skewers: Attack the Front Piece, Win the One Behind

Two targets on one line, with the important one in front

A skewer attacks a valuable piece with another target behind it on the same rank, file, or diagonal. When the front piece moves away, the attacker can capture the rear piece. Rooks, bishops, and queens can create skewers because they attack along lines.

A king in front makes the pattern especially clear: check forces the defender to respond. A queen in front presents a practical threat rather than a legal obligation to move. In either case, the whole sequence needs checking before you assume material is won.

Use a rook check to reveal the second target

In the diagram, Black’s king on e6 and rook on e8 share a file. White plays Re1+, attacking the king along the e-file. The black rook cannot pass through its own king to capture the white rook.

After the sample reply ...Kd6, White plays Rxe8 and captures the rear rook. The black king has left the file, so the line from e1 to e8 is now open. This is the defining sequence: attack the front target, make it step aside, then reach the piece behind.

Before replaying, name every square between the two rooks. If you accidentally leave another blocker on the e-file in your mental picture, you may imagine a capture that is not possible.

A pin tries to keep a piece in place; a skewer makes it move

In a pin, the front piece shields something more important behind it. Moving the front piece is what the defender wants to avoid. In a skewer, the front target is itself under serious attack, and moving it exposes the rear target.

Picture a bishop, knight, and king lined up in that order: the knight may be pinned to the king. Replace that arrangement with a bishop attacking a king that has a rook behind it: moving the king can reveal the rook as a skewer target.

The distinction is about which target is in front and what the defender must do. You do not need separate names to calculate the moves, but the names help you recognize the pattern faster.

Pause at any move in a diagram, then open that exact position in Chat to ask about it or in Coach to practice.

Look for a reply that breaks the sequence

A skewer may fail if the defender can capture the attacker, block the line, or move the front piece in a way that protects the rear target. With a relative skewer, a forcing counterattack may also change the priorities.

To defend before a skewer appears, notice when your king, queen, and rooks share a vulnerable line. A small change in placement can remove the opportunity. Do not move valuable pieces into alignment without checking which enemy slider can reach that line.

For practice, replay the rook example and explain why ...Kd6 changes what White can capture. Then compare it with the pin lesson. In both cases, seeing the piece behind the first target is the essential skill.

Check your understanding

Continue learning

• How Does a Rook Move? Straight Lines, Captures, and Castling
• Chess Pins: When a Piece Cannot—or Should Not—Move
• Chess Forks: How One Move Can Attack Two Pieces
• Chess Tactics for Beginners: Spot Forks, Pins and Skewers