A file cleared of Pawns. It offers a corridor for attack, especially if occupied by doubled Rooks. A file is still open even if it is occupied by pieces other than Pawns.
A vertical row of 8 squares containing no pawns. Rooks typically should move to open files. ( Diagram)
a file with no pawns remaining in it, and an open diagonal is the same, albeit diagonally
a memory buffer for an active file on disk
A file that has no pawns on it.
A file where no pawns are present. Rooks are at their strongest when placed on open files.
A file which is not occupied by any pawns.
One with no pawns of either color
a file cleared of pawns - a worthy objective since it is then easy to exchange a pair of rooks and obtain an easy draw.
A file that is currently associated with a file descriptor. X/Open, .
A file on which there are no pawns. A file on which only one player has no pawns is said to be ''half-open''.
According to Ludek Pachman's ideas, a file is open for White (Black) if the friend pawn of this file has disapeared. This definition is justified by the fact that then major White (Black) pieces make pression on the opposite camp, via this file, and particularly on enemy pawns occupying it (Chess Terminology - According to Ludek Pachman's ideas). «Totally Open File» TOPF
file that is currently in use is said to be "open", and the process of making it available to be used is called "opening the file". The term is often means bringing a document or other user file into the RAM so that a program such as a word processor can modify it. "Opening" a program file means making the computer execute the program (carry out the instructions in the program).
n. A file that can be read from, written to, or both. A program must first open a file before the file's contents can be used, and it must close the file when done. See also open2.
In chess, an open file is a file with no pawns. In the diagram, the e-file is an open file. An open file can provide a line of attack for a rook or queen.