Recent versions of Chrome, Firefox, and Edge do not support Java. Internet Explorer and Safari should still support it. Besides that, recent versions of Java will block this script unless you add https://www.chessvariants.com to your Java exceptions list. You should find this in the Security tab of your Java control panel.
Portuguese Progressive Chess
Keys "s"=save "l"=load "b"=back once
No piece may move twice during a series.
These are simple illustrations rather than strong opponents.
Bug Reports -- Thank you! Keep them coming!
Written by Ed Friedlander
WWW Page Added: Sunday, December 30, 2001