I just looked at Grand Prix Assignments of the teams who medaled here, and I have to say Stolbova/Klimov is still have a pretty good chances to qualify to GPF. If they will win Rostelecom Cup, they will most likely beat on tie-breakers Scimeca/Knierim (who will likely lose to Duhamel/Radford and Volosozhar/Trankov at NHK) and Seguin/Bilodeau (who will likely to lose to Volosozhar/Trankov at Bompard Trophee). Main opponents in Russia for Stolbova/Klimov will be Kavaguti/Smirnov. So 4+1 > 2+3 and 3+2. Of course, the ice is very slippery, and there's always a possibility of an injury, but still this scenario is very possible.