The rules are the standard En Garde! rules, currently the 4th edition as published by Margram Evans Limited. You can purchase a copy via http://www.engarde.co.uk if needed and you are encouraged to do so.

These house rules has borrowed from the Fontainebleu En Garde! Game, DJV's En Garde! game, the Du Pont and Sun King en garde games, LPBS and other sources too numerous to mention.