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
Chess is respected in culture and education, but our organization is far behind. FIDE must lead, not drag chess down.
Garry Kasparov 2014
Chess is a fairy tale of 1001 blunders.
Savielly Tartakower
For goodness’ sake, how could Kasparov, after all his matches against Karpov, support him in the FIDE President elections? What sort of unprincipled person do you have to be? I would never understand that.
Viktor Korchnoi 2012
I personally believe that Karpov should have been more generous with Kirsan Ilyumzhinov. Kirsan is the only president in the history of FIDE, and maybe in the history of all international federations, who has contributed dozens of million dollars for the sport he loves. By the way, some of these millions went directly to Anatoly’s pocket…
George Makropoulos 2005
Carlsen simply plays chess well. It seems to me that in such cases people are inclined to look for some supernatural explanation, although the simplest explanation is also the most appropriate: the guy simply plays chess well.
Alexander Grischuk 2014