A variant of chess described already in 1283 by Alfonso X of Castile. The number one to six shows the move of Pawn, Bishop, Knight, Rook, Queen and King.
ECHESSPEDIA
Quotes of the Day
I give 98 percent of my mental energy to Chess. Others give only 2 percent!
Robert Fischer
If the 12th game (from the match Carlsen-Karjakin)… were a restaurant dish, I would send it back to the chef.
Nigel Short 2016
Vugar Gashimov deserves to be immortalized!
Mahir Mamedov 2014
I have often written that Karpov is like an iceberg. Well, Kasparov was the Titanic.
Alexander Roshal
I am a totally normal guy. My father is considerably more intelligent than I am.
Magnus Carlsen 2010