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
I’ve been playing chess professionally for 35 years! It’s a long time, and when people can still say that they enjoy my chess, that’s great.
Nigel Short 2016
When I see the Berlin defence, I am almost happy that I am not longer a top player!
Nigel Short 2016
Chess should not become an obsession. Otherwise there’s a danger that you will slide off into a parallel world, that you lose your sense of reality, get lost in the infinite cosmos of the game. You become crazy.
Magnus Carlsen 2010
I think I would beat Tal pretty easily. Fischer would be more difficult, but I think I could beat him too.
Magnus Carlsen
It is not possible to become a great player without having learned how to analyse deeply and accurately.
Mark Dvoretsky