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Board / Files / b-File

B-File: Queen's Knight File

The queenside knight file. Home to b2/b7 fianchetto long diagonals and queenside pawn thrusts.

B-File

Flank Side: queenside

a b c d e f g h

8 7 6 5 4 3 2 1

b8 c8 d8 e8 f8 g8 h8 a7

b7 c7 d7 e7 f7 g7 h7 a6

b6 c6 d6 e6 f6 g6 h6 a5

b5 c5 d5 e5 f5 g5 h5 a4

b4 c4 d4 e4 f4 g4 h4 a3

b3 c3 d3 e3 f3 g3 h3 a2

b2 c2 d2 e2 f2 g2 h2 a1

b1 c1 d1 e1 f1 g1 h1

8 7 6 5 4 3 2 1

a b c d e f g h

Squares on B-File

b1 b2 b3 b4 b5 b6 b7 b8

Strategic Theme

Fianchetto Diagonals & Queenside Pressure

Tactical Breakdown

The B-file is a focal point for queenside development. Moving the b-pawn to b3 or b6 allows the bishop to fianchetto on b2 or b7, commanding the long diagonal towards the enemy king.

Associated Tactical Concepts

fianchetto pin discovered-attack