The fianchetto ( pronunciation : [ fian'kɛtːo ] - from Italian il fianco = the flank; incorrectly also pronunciation : [ fianʃɛto ]) is a term from the game of chess . It is used to describe the setting up of a bishop on the flank of your own piece line-up, on one of the two main diagonals of the board, in a specially created "cave" within your own pawn structure .
From this position the runner acts on the center and across the center on the opposing wing diagonally opposite. This setup of the bishop is very effective and therefore very popular in numerous opening systems in chess. A fianchetto move is usually an opening move like the king's fianchetto , but it is also drawn later in the middlegame .
One speaks in colloquial language of "fianceting" a runner. If both runners are developed in this way, one speaks of a "double fianchetto" , also - casually - called "double hole". In the hippopotamus opening , a double fianchetto is characteristically played, and a double fianchetto opening is also used as an anti-computer tactic .
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Fianchetto of the white king's bishop in the Catalan opening