What is a discovered attack in chess?

A discovered attack happens when a piece moves and uncovers an attack from a piece behind it. The moving piece may create a separate threat, making the tactic especially powerful.

How do I spot a skewer in chess?

Look for two enemy pieces aligned on the same file, rank, or diagonal, with the more valuable piece in front. A forcing attack on that front piece can make it move, exposing the less valuable piece behind it.

What is a pin tactic in chess?

A pin restricts a piece from moving because doing so would expose a more valuable piece behind it. Pins can be absolute, involving the king, or relative, involving a queen, rook, or another valuable unit.

How can I find winning combinations in a middlegame?

Start with forcing moves: checks, captures, and threats. Examine loose pieces, pinned defenders, overloaded units, and open lines before calculating quieter positional ideas.

What is the difference between a discovered attack and a discovered check?

A discovered attack reveals an attack on any target when a blocking piece moves. A discovered check is the special case where the revealed line attacks the enemy king.

Ludek Pachman (White) Puzzle: Skewer — Win Material

A discovered attack occurs when one piece moves away from a line, revealing an attack from a rook, bishop, or queen behind it. This position combines that idea with a skewer: a bishop targets a knight while the rook behind another bishop attacks a more valuable rook. The key is to recognize that exchanging on the attacked square can remove a defender and expose the open file, creating a decisive material gain.