Loose-leaf sheets dealing with opening and middle-game and end-games edited by Max Euwe from 1952 to 1957. In 1962 a new series was published by Kurt Rattman in Hamburg.
ECHESSPEDIA
Quotes of the Day
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 the players in this world championship are in different leagues. Karjakin is excellent—Carlsen is special.
Garry Kasparov 2016
If the FIDe elections were not decided by the votes of the delegates but by the world’s chess society as a whole, there would not even be a competition.
Anatoly Karpov NIC 2010
Time trouble is blunder time.
Alexander Kotov
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