-NEW VARIANTS:
-http://history.chess.free.fr/rollerball.htm
- https://www.chessvariants.com/40.dir/rollerball/index.html
-
-https://www.pychess.org/variant/shogun
-https://www.chessvariants.com/other.dir/fugue.html
-https://www.chessvariants.com/rules/spartan-chess
-https://www.chessvariants.com/incinf.dir/bario.html
- https://www.chessvariants.com/index/listcomments.php?order=DESC&itemid=Bario
- https://www.bario-chess-checkers-chessphotography-spaceart.de/
- https://le-cdn.website-editor.net/20ef5f800ea646c29f6852cfc5ceda07/dms3rep/multi/opt/BAR028-e15a849c-960w.jpg
-
-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