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
Karpov Lost, Kasparov Lost, the Only One Who Remained Is Me …
Kirsan Ilyumzhinov 2014
Parapsychology? That’s a bunch of bananas. Korchnoi believes in that. He is still playing his game with the ghost of Geza Maroczy.
Nathan Divinsky 2004
I was pushed out of USSR by the hands of Petrosian and Karpov. But now, after 10 years, Petrosian is not longer alive and Karpov is not longer World Champion, so it seems that everything is in place now.
Viktor Kortchnoi 1986 NIC
I thank the Lord for not pairing me with Black against Magnus Carlsen in the first round.
Nigel Short 2017
“Chess is the struggle against the error.”
Johannes Zukertort