-Ambiguous chess
-https://www.chessvariants.com/mvopponent.dir/ambiguous-chess.html
-Need special highlight square --> similar to enlightened for Dark, in Board.vue
-Also in notation, show only dest square for "opponents ambiguous moves".
-Similar to Marseille-chess, white first move only 1 subTurn, do not choose a square.
-Then black has a free first move, then choose a square, and the process goes on.
+Non-chess:
+gomoku, avalam, draughts, draughts8
+Yoté https://fr.wikipedia.org/wiki/Yot%C3%A9 http://www.zillionsofgames.com/cgi-bin/zilligames/submissions.cgi/92187?do=show;id=960
+Fanorona https://fr.wikipedia.org/wiki/Fanorona