In chess composition, a pair of interference variations created by Walter Grimshaw (1832-1890) around 1850, in which piece X interferes with piece Y and vice versa.
ECHESSPEDIA
Quotes of the Day
I understood that through chess I could express myself and chess became my natural language.
Boris Spassky 1995
I enjoy it when I see my opponent really suffering when he knows that I’ve outsmarted him
Magnus Carlsen 2012
Karpov Lost, Kasparov Lost, the Only One Who Remained Is Me …
Kirsan Ilyumzhinov 2014
It is true, in chess so far that men and women cannot be on the same level from an economic situation, but there can always be a more reasonable way to combine the financial part and the players’ situation.
Hou Yifan 2016
” (about Lasker) For me, this personality, notwithstanding his fundamentally optimistic attitude, had a tragic note. The enormous mental resilience, without which no chess player can exist, was so much taken up by chess that he could never free his mind of this game, even when he was occupied by philosophical and humanitarian questions.”
Albert Einstein