Association football formation originating from Italy
Catenaccio (Italian pronunciation: [kateˈnattʃo]) or The Chain is a tactical system in football with a strong emphasis on defence. In Italian, catenaccio means "door-bolt", which implies a highly organised and effective backline defence focused on nullifying opponents' attacks and preventing goal-scoring opportunities. History. Predecessors and influences. Italian catenaccio was influenced by the verrou (also doorbolt or chain in French) system invented by Austrian coach Karl Rappan.
https://en.wikipedia.org/wiki/Catenaccio