In this year's elections, many of the pro-regime candidates are registered as having no party affiliation because of the very bad ratings of United Russia party

In this year's elections, many of the pro-regime candidates are registered as having no party affiliation because of the very bad ratings of United Russia party. Also, the authorities don't care about people voting confidently at all, quite the opposite. It's mandated by law though to list candidates' previous names if changed, which is done in this case. But you have to be aware of this spoiler strategy to notice, which most people aren't.