The trading of a minor piece (bishop or knight) for a rook. To sacrifice the exchange is to trade the rook for the minor piece.
ECHESSPEDIA
Quotes of the Day
I think the players in this world championship are in different leagues. Karjakin is excellent—Carlsen is special.
Garry Kasparov 2016
It’s always more difficult to hold the title than to get it.
Vladimir Akopian 2012
When Korchnoi was living in the USSR I called him ‘hero of socialist labour’; when he moved to the West I renamed him ‘hero of capitalist labour’!
Boris Spassky
I understood that through chess I could express myself and chess became my natural language.
Boris Spassky 1995
The Golden Age, when machines were weak and my hair was strong!
Garry Kasparov 2017