fi·an·chet·to /ˌfiənˈkɛtoʊ, -ˈtʃɛtoʊ/ noun, pluralchet·ti /-ˈkɛti, -ˈtʃɛti/, verb Chess.
1. the development of a bishop, in an opening move, by advancing one or two pawns so as to permit movement along the bishop’s diagonal.
-verb (used without object), verb (used with object)
2. to set up or develop as a fianchetto.

[Origin: 1840-50; < It; see flank, -et]


Mark gave him a thin smile. Once upon a time he had been a middling-hot chess player … All those classical openings committed to memory, all Mark’s fianchettos and his Nimzo-Indian Defences, all his careful strategic analysis, blew right out the door in the face of a player who didn’t know enough to know what he wasn’t supposed to do.

Source: Turn of the Cards, Victor Milán.