An isolated queen pawn (IQP), called an isolani, is often a special case.

An isolated queen pawn is one in the queen's file (d file).

Postponing recapture of the queen pawn is a standard idea in the Scandinavian Defense (1.

If now 6 Nd5, then 6 ... Qd5 and there is still no isolated queen pawn.

This simultaneously unpins the queen pawn and attacks the bishop.

Jon moved his queen pawn.

Nf3 attacking Black's king pawn, preparing for a kingside castle, and anticipating the advance of the queen pawn to d4.

In the main line, White will isolate Black's queen pawn with 4.

A king pawn or queen pawn on its fourth rank has three diagonally forward ways to capture.

A central pawn is a queen pawn or a king pawn, on the d- or e-file.