A pawn which cannot be guarded by a pawn, or which cannot advance to such a position.
In the following example, Karpov’s 31. Qc6! attacks the backward pawn sets up the double attack 33. Bxd5! giving White four pawns for the piece and a won position.
ECHESSPEDIA
Quotes of the Day
You only task in the opening is to reach a playable middle game.
Lajos Portisch
I can’t tell the difference between 100 zillion positions and 497 zillion positions, but if it helped Deep Blue play stronger, so be it. I was looking forward to Deep Blue boldly going where no man had gone before. 1997″
Vishy Anand
Good players actually use their long-term memory much more than inexperienced players, who use their short-term memory. Good players try to recall patterns.
Magnus Carlsen 2016 2016
Fischer wanted to prove that all world championship games after his victory were prearranged. He did not convince me.
Vishy Anand 2008
I think the players in this world championship are in different leagues. Karjakin is excellent—Carlsen is special.
Garry Kasparov 2016