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ChessOps - The FIANCHETTO = Indian Bishop

Illustration A fianchetto (from the Italian for "engagement", a diminutive of "fianco", a flank) is the development of any bishop and 3 side pawns (ie. K/Q-side BP+KtP+RP) into a defensive arrangement that is difficult for an opponent to attack but from where the bishop can control the centre-diagonal (king's-side example, left).
Centuries ago, before the pawn initial double-move was introduced, it was usual to develop bishops in this way because moving a centre pawn (ie. P-Q3 or P-K3) always hindered the path of one or other bishop.
The native Indian form of chess still uses only the pawn initial single-move, and thus a fianchettoed bishop is sometimes called an "Indian" bishop. It is most often formed during queen's pawn side-defences (eg. the King's Indian, the Kotov-Robatsch, the Queen's Indian and the Tarrasch), but it also has its frequent strategic uses for White in flank openings (eg. the Barcza System).

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