A combination of vertical and horizontal cylinder boards, used for Fairy Problem, so that not only do the a- and h-files adjoin, but also the 1st and 8th rank, and the board has no edges at all. It is sometime diagrammed without edges.
ECHESSPEDIA
Quotes of the Day
First-class players lose to second-class players because second-class players sometimes play a first-class game
Siegbert Tarrasch
I think the players in this world championship are in different leagues. Karjakin is excellent—Carlsen is special.
Garry Kasparov 2016
After the 2nd game I could have returned to Moscow. There was only one way I could have won this match.
Boris Spassky (1974)
I enjoy it when I see my opponent really suffering when he knows that I’ve outsmarted him
Magnus Carlsen 2012
Who was the greatest chess player? If chess is an art, Alekhine. If chess is a science, Capablanca. If chess is a struggle, Lasker.
Saviely Tartakower