A heraldic piece displaying different identity symbols on each side. The piece may be flipped over at the close of a move (or as a move in itself) and assume its alternate identity.
ECHESSPEDIA
Quotes of the Day
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
Magnus is playing fantastic and I play like I always play, pretty badly
Anish Giri 2017
There was a moment at the beginning when the machines were a positive, but lately we’ve being passing to the other extreme. Now it seems that a move isn’t good unless the machine says so.
Veselin Topalov 2016
I think that ACP is a small clique, which gives power to more cliques.
Nigel Short 2016
Karpov is the official World Champion, but I’m not sure what that really means.
Jan Timman 1993