-Design: final touch (gain extra space on top, using space on the right)
-Crazyhouse: my reserve vertically on the right, opponent just below board
+NEW VARIANTS:
+https://www.reddit.com/r/TotemChess/comments/imi3v7/totem_rules/
+--> replaced by "Joker" chess --> start on bishop of our color (instead),
+ moves like a Bishop + Dabbabah, can swap with a piece *on same color* (as a move) at anytime. hmm
+ or rather: start as in Antiking + Mesmer, in front of. moves like an amazon. swap with any color. better!
+http://history.chess.free.fr/rollerball.htm
+ https://www.chessvariants.com/40.dir/rollerball/index.html