Pawns of the same colour that are on adjoining files and are able to support and guard each other.
ECHESSPEDIA
Quotes of the Day
Maybe I had something of Capablanca. Why should I prepare when I have ideas?
Svetozar Gligoric 1989 NIC
I never make mistakes in chess, I only have hallucinations!
Vlastimil Hort 1987
After losing a game I play the next one better. After losing the 2nd game I play like a lion. After 3 defeats in a row, anyone can beat me!
Eduard Gufeld
I have often written that Karpov is like an iceberg. Well, Kasparov was the Titanic.
Alexander Roshal
Chess is a fairy tale of 1001 blunders.
Savielly Tartakower