zompist bboard

What, never? It's just left open? Hmm...well, all I can recall is that a) it's probably played on a flat board, whether square or circular, b) it involves at least two types of piece, knights and kings, and c) it appears to be the Almean equivalent of chess: an ancient and intellectual game that ten...

I really hope my Cuêzi's not as bad as I think...
Anyway, to anybody who remembers the few mentions of this game (called ecuni in Verdurian, I believe), could someone explain the rules? Or is it left open to the imagination? If so, is it free for an attempt?