You get Dragons, Minotaurs and Generals added to your army of Queen, King and Pawns.
The party hour will be open games and a social experience. And it is completely FREE!
You can read the full rules of X-Chess here: https://www.chesspower.co.nz/x-chess
The conference URL is: https://us04web.zoom.us/j/6150964422
The online platform that will be used for the event is available at https://www.xchess.live. The tutorial on the website explains the backstory of X-Chess and all the rules as well.