Middlegame Strategy: Piece Play and Pawn Structures

Define piece activity and identify the least active piece in a given position.

Formulate a simple plan to improve the position of a passive piece.

Recognize knight outpost squares and maneuver a knight to occupy one.

Identify common pawn weaknesses (doubled, isolated, backward pawns) and formulate a plan to exploit them.

Distinguish between open, closed, and semi-open positions and select an appropriate strategy.

Apply practical guidelines for when to trade pieces versus keeping them on the board.