It was kind of an exchange program. *g* French and Swiss and Germans took part in their respective neighbour's championships. Probably to deepen the field. Of course there were two different result lists afterwards - "international" and national.
Although Dytrt was a resident of the respective countries when she won in the Czech Republic and Germany, she had been invited to France to compete in their senior ladies event at French Nationals.
This has since been added to the article to help clarify