Over the last few years in Moscow, I've spent a fair amount of time at balls and parties outside the strictly-historical community and had a chance to observe, and occasionally dance, some of the choreographed dances developed during the Soviet era as well as some which were introduced in the 1990s and early 2000s, either by Russian choreographers or by foreign teachers, and adopted into the community culture of young Moscow dancers who mix historical, modern, and traditional dances at their balls. It would be a fascinating project to try to determine the origins of all these dances, though I don't plan on taking it up myself, since my Russian language skills really aren't up to the task.
One of the challenges in tracing such dances back very far is that over time they become folk-processed, evolving as they move through communities, until it can be difficult to determine which movements are native to the dance and which have merely accreted over time. I've become intrigued enough with one dance to make some effort, however. It appears to have originated in the late 1970s, though I haven't been able to discover the choreographer. After some multilingual digging, I've been lucky enough to turn up three Soviet-era video recordings of performances outside the USSR which I believe depict the authentic dance, including the different steps and variations for men and women. Ironically, the best sources appear to be in German, which is true for many nineteenth century dances as well.
I'm going to take a look here specifically at the women's steps, which can be performed solo or with a female partner, with or without a group of men dancing their steps simultaneously. At some later point I might work on the men's footwork as well...[detailed reconstruction and notes behind the cut]