A file on which there is no pawn to obstruct a rook which therefore can control the whole file. The white rook is controlling the open E-file.
ECHESSPEDIA
Quotes of the Day
When you see a good move, look for a better one
Emanuel Lasker
In chess,honestly,nobody cares how beautiful you play,if Morphy would be 2710 today,he would not get a single invitation.
Teymur Rajabov 2017
After an upsetting defeat the best psychology for the next game is a placid draw
Dr. Vidmar
I may be an old lion, but I can still bite someone’s hand off if he puts it in my mouth
Wilhelm Steinitz
Peter Svidler clearly needs to be more ambitious and take more risk. 12 draws out of 14 games, I mean, come on, that’s not a Champion’s attitude there!
Anish Giri