Vorwärtszug
Vorwärtszug, literally forward move in German, is a term used in chess literature to describe a move that advances a piece toward the opponent's side of the board. It is a descriptive label rather than a formal rule and is typically used to contrast with Rückwärtszug, a retreating move, and with more specific terms for individual piece moves.
In practice, pawns are the primary examples of Vorwärtszüge: a pawn advancing from e2 to e4 is
The concept is helpful in instruction and analysis to discuss space gain, tempo, and pawn structure. It
The term is most common in German-language chess writing and problem composition. While not a formal game