The action of giving to an opponent an initial advantage in material or in a move. Frequently used by strong players like Philidor, Morphy, etc., in the eighteenth and nineteenth centuries.
ECHESSPEDIA
Quotes of the Day
When I am White I win because I am White. When I am Black I win because I am Bogoljubov.
Efim Bogoljubov
Karpov Lost, Kasparov Lost, the Only One Who Remained Is Me …
Kirsan Ilyumzhinov 2014
He has weaknesses, as everyone does, but far fewer than those around him.
Veselin Topalov 2016
Kasparov doesn’t care about chess, but only about himself and his political goals
Kirsan Ilyumzhinov 2015
Whatever opinions people might have about Ilyumzhinov, I am sure that exactly those accusations by the US authorities are far-fetched. It looks more like a revenge for the 2014 FIDE elections which Kasparov lost to Ilyumzhinov by a wide margin.
Vladimir Kramnik 2016