The reason why I believe that entire group minus the two Yuris worked on the snow den instead of three of them heading towards the tent is because the three that headed for the tent would have had to have been at the end of their endurance not to have reached it. Meaning, they were away from their tent for a good while; maybe an hour, if not more. So what were they doing all that time? Watching the others build the snow den while the two Yuris froze to death beside them? Plus, regardless of any argument that Semyon and Igor might have had about it, I don’t think Zina would have left Luda unless she thought the best hope her friend had for survival was for her to leave her and return to the tent. And I don’t think Luda would have chosen to go with the group she did if they had split up. She would have stayed with Zina, and she didn’t even like Kolevatov.
In life and death situations, it is possible for two women to separate from each other. And 3 people returning to the tent have certain features that distinguish them from the other 6 people. 1. Their main characteristics are being brave 2. Being sane and intelligent 3. Being physically stronger and resilient 4. Being a leader 5. Having a fighting and warrior spirit.... This trio group had superior qualities than the others. And while the others were hiding and trying to warm themselves in the fire, they dared to return to the tent. Zina left Lumina. And I don't believe the group built a big snow cave. They didn't have time for that, but they could have built a small cave. Of course, they must have done this not with their hands, but with the tree branches they collected from the environment.
I didn’t say it wasn’t possible. I only said I don’t think it happened, especially in the context of a disagreement resulting in a rift in the group. And that was not even the main reason why I do not believe the group split up, except for the two Yuris, who I believe stayed with the fire because Dyatlov told them that. Rather, it’s the time element. And I don’t think they built a big old snow den. But they might have meant to, considering the tree clippings and discarded clothing, which weren’t used.
I should probably state that in my scenario, Luda isn’t injured at the tent, and therefore, likely neither is Semyon because the medical examiner felt that whatever caused their injuries was the same thing. And the reason I don’t believe that Luda was injured at the tent is because the medical examiner only gave her twenty minutes to live. And the snow den would have taken a lot longer to build than that. So, why carry a corpse to the snow den, or at least attempt to? If they were injured in some way while constructing the snow den, though, then that would have definitely changed Igor’s plans. It would not have been just a fight against the cold anymore. So the den was going to be of minimal use to them. But they still needed a place to put the injured, and I don’t even think they got them to the den, because they weren’t found in the den. Probably their uninjured companions just didn’t have the strength to carry them the last few feet to the den. So Igor left Kolevatov with them and just told him to do what he could for them.
If they’re were injured at the tent, however, and they just didn’t realize that Luda had died or they were really speedy at making a snow den, then Igor, Rustem, and Zina would have most definitely had to take part in building the snow den. And they would have probably have done that to put the injured in it while they went back to the tent.
And if they were carrying out different tasks, I don’t think that it was because of a disagreement between the hikers. It fits the scenario more and their status as professional skiers that in survival mode they would have worked together and been assigned tasks by Igor. The snow den could have even been a compromise between Igor and Zolotaryov. The way some people talk about their relationship, it sounds more like a soap opera, and I’ve never even seen that much evidence that Igor and Semyon were that much on the outs with each other. But it does make sense to me that the snow den was Semyon’s idea.