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 order to become a grandmaster class player whose understanding of chess is superior to the thousands of ordinary players, you have to develop within yourself a large number of qualities, the qualities of an artistic creator, a calculating practitioner, a cold calm competitor.
Alexander Kotov
Kasparov’s book are the best, as far as high level analyses are concerned.
Jan Timman 1991 NIC
Magnus is playing fantastic and I play like I always play, pretty badly
Anish Giri 2017
‘We may all be equal in the eyes of the Lord, but in my eyes you are certainly not equal to me.’
Robert Fischer
” (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