(=> comme pour corr) + option "confirm moves in corr games"?
NEW VARIANTS:
-Xiangqi
-Synochess
-EmpireChess
Isardam (type B) : https://echekk.fr/spip.php?page=article&id_article=280
https://www.reddit.com/r/TotemChess/comments/imi3v7/totem_rules/
https://www.chessvariants.com/other.dir/fugue.html