Nimzowitsch explained this as a protected piece on the opponent’s side of the board that cannot be attacked by a pawn.
Karpov, Anatoly vs Kasparov, Garry 1-0 World Championship 35th-KK5 Rnd:17
Lyon/New York 1990.12.05
ECHESSPEDIA
Quotes of the Day
I give 98 percent of my mental energy to Chess. Others give only 2 percent!
Robert Fischer
When you see a good move, look for a better one
Emanuel Lasker
I am fighting for the future of chess, for the integrity of the game I love. Only when it’s clean it can grow.
Garry Kasparov 2014
When I see the Berlin defence, I am almost happy that I am not longer a top player!
Nigel Short 2016
You can’t look too annoyed or they’ll look for the mistake you’ve made. A lot of the time it’s about looking for these opportunities and if you give them a clue, the good players will find it.
Magnus Carlsen 2016
