A tactical way to improve ones position. Rules don’t exist but there are many practical examples especially in endgames.
ECHESSPEDIA
Quotes of the Day
In the 70s Karpov was a darling of the Politburo or the political elite. So Kramnik is now. Just like the old days. But at least Karpov, unlike him, played in and won qualifying matches.
Veselin Topalov
Chess can be described as the movement of pieces eating one another.
Marcel Duchamp
Do you realize, Fischer almost never has any bad pieces? He exchanges them, and the bad pieces remain with his opponents.
Yury Balashov
The blunders are all there on the board, waiting to be made.
Savielly Tartakower
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