You are on the backup site for Any posts, moves, or other changes you make here will not be permanent, because the pages and database from the main site will be backed up here every midnight EST. Additionally, things may not be working right, because this site is also a testbed for newer system software. So, if you are not here to test, develop, or merely read this site, you may want to change .org to .com in the navigation bar and go to the main site.

The Chess Variant Pages

Null chess

Invented by Philip Cohen in the 1960s, Null Chess appears in the Classified Encyclopedia of Chess Variants, section 4.4.


When a capture square is vacated, it becomes Null. Null squares cannot be occupied or passed over. Also, no en passant.

This 'user submitted' page is a collaboration between the posting user and the Chess Variant Pages. Registered contributors to the Chess Variant Pages have the ability to post their own works, subject to review and editing by the Chess Variant Pages Editorial Staff.

Author: Ben M Reiniger. Inventor: Philip M. Cohen.
Web page created: 2020-04-26. Web page last updated: 2020-04-26