A pawn that is not opposed by an enemy pawn either on its own file or adjacent files.
ECHESSPEDIA
Quotes of the Day
Karpov, Kasparov, Korchnoi have absolutely destroyed chess by their immoral, unethical, prearranged games. These guys are really the lowest dogs around, and if people knew the truth about them, they would be held in more contempt than Ben Johnson, the runner, and they’re going to know the truth when I do this book!
Robert Fischer September, 1 1992
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
Kramnik was the luckiest man in the history of chess. He never won a single cycle, he got all the matches that he played for political reasons.
Veselin Topalov 2014
In order to become a grandmaster class player whose understanding of chess is superior to the thousands of ordinary players, you have to develop within yourself a large number of qualities, the qualities of an artistic creator, a calculating practitioner, a cold calm competitor.
Alexander Kotov
Do you realize, Fischer almost never has any bad pieces? He exchanges them, and the bad pieces remain with his opponents.
Yury Balashov