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The term zugzwang is frequently used in chess. A player whose turn it is to move who has no move that does not worsen their position is said to be in zugzwang (Soltis 2003a:78). Thus every move would make their position worse, and they would be better off if they could pass and not move. Sometimes different chess authors use the term zugzwang in different ways (Flear 2004:11-12). In some literature a reciprocal zugzwang (see below) is called zugzwang and a one-sided zugzwang is called a squeeze (Hooper & Whyld 1992).

http://en.wikipedia.org/wiki/Zugzwang