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The Chess Variant Pages

Coregal Chess

In 1970, V. R. Parton, inventor of many chess variants, proposed a variant where both the king and queen are royal - and isn't that the way it should be?


The rules of chess are followed, with the following additions/ modifications:

Just as the king, the queen can be checked and mated. This means that

Queens may move across attacked squares. NOST has used the following additional rules for this variant:


Pritchard suggests to forbid queens to pass attacked squares, unless it captures an attacking piece. Optionally, one could play the game without letting queens cross attacked squares at all.

Compare this game with Extinction Chess.

Written by Hans Bodlaender.
WWW page created: 4 Sep 2000. Last modified on: 4 Sep 2000.