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
I never make mistakes in chess, I only have hallucinations!
Vlastimil Hort 1987
Chess is respected in culture and education, but our organization is far behind. FIDE must lead, not drag chess down.
Garry Kasparov 2014
There is no room for gallantry in chess.
Irving Chernev
” The fact that a player is very short of time is, to my mind, as little to be considered an excuse as, for instance, the statement of the law-breaker that he was drunk at the time he committed the crime.”
Alexander Alekhine
I was pushed out of USSR by the hands of Petrosian and Karpov. But now, after 10 years, Petrosian is not longer alive and Karpov is not longer World Champion, so it seems that everything is in place now.
Viktor Kortchnoi 1986 NIC