hehe, I am Russian myself, so I know how it works more or less... by the looks of it, this a privately owned mini-hotel made of a multi-room communal apartment, and you pay upon arrival - I don't see them accepting this even if they don't cancel - would you want this kind of surprise? also, one needs a visa to enter Russia, and you have to ask the hotel to resend the confirmation, and that where they can potentially deny