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
The competition in the men’s tournament has grown massively over the past 20 years. Chess is becoming more and more popular, and there are no weak teams in the tournament any longer.
Andrey Filatov
I am fighting for the future of chess, for the integrity of the game I love. Only when it’s clean it can grow.
Garry Kasparov 2014
Fischer was the first to send me a telegram when I was in Amsterdam after I had defected, saying ‘Congratulations on the correct move’.
Vikor Kortchnoi 1986 NIC
“Chess is the struggle against the error.”
Johannes Zukertort
With the modern computer age, there are some new ideas, but the principles are basically the same… I try not to over-focus on preparation.
Magnus Carlsen 2012