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
Man has no chance to win against the modern computer. And, by and large, a confrontation between two individuals is more interesting.
Vladimir Kramnik 2015
Looks like I’m going to raise the average age of the field and lower the average rating!
Garry Kasparov 2017
When I am in the USSR, I have the feeling that every tram conductor plays chess better than I do.
Hans Ree
Chess is respected in culture and education, but our organization is far behind. FIDE must lead, not drag chess down.
Garry Kasparov 2014
When your house is on fire, you can’t be bothered with the neighbors. Or, as we say in chess, if your King is under attack, don’t worry about losing a pawn on the queenside.
Garry Kasparov