From German Zwischenzug, "in-between move", from zwischen, "between", + Zug, "move".
zwischenzug (plural zwischenzugs)
- (chess) A tactical move which interrupts the execution of the current plan.
- 2002, Eric Schiller, Standard Chess Openings, second edition, Cardoza Publishing, New York; Game (132).
- After 12.g4 Be6; Black's 11th move becomes a zwischenzug to provoke another White pawn weakness.