A term used in chess composition or chess solving. It means that every piece must contribute towards the solution, through not necessarily in the main line.
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 is a foolish expedient for making idle people believe they are doing something very clever, when their are only wasting their time.
Bernard Shaw
Chess is a scientific game and its literature ought to be placed on the basis of the strictest truthfulness, which is the foundation of all scientific research.
W. Steinitz
” (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
When Korchnoi was living in the USSR I called him ‘hero of socialist labour’; when he moved to the West I renamed him ‘hero of capitalist labour’!
Boris Spassky