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F

fianchetto

Way of developing a bishop in the opening. A fianchetto is prepared by advancing the knight pawn by one (or sometimes two) squares. After that, the bishop can be developed to the now free square on the knight's file.

fifty move rule

Part of the rules of chess. The fifty move rule states that a player can claim a draw if no capture has been made and no pawn has been moved in the last fifty consecutive moves. It is important to notice that the game is not automatically drawn but that one player has to claim it when it is her/his turn to move.

file

The columns of the chess board are called files. For instance, all squares a1, a2, ...,, to a8 belong to the a-file.

fools mate

The quickest possible checkmatein chess: 1. f3 e4 2. g4 Qh4# 0-1.

fork

Tactics where a piece attacks two or more pieces at the same time. Mostly used for knights or pawns attacking two pieces simultaneously.

RD Glossary by Run Digital