https://archive.ph/G2Iy8
This is very scary; if the economy is totally disrupted, the Russian "Federation" could splinter into a mess of countries/fiefdoms, many with nukes.
Russia currently spans eleven (11) time zones. With total economic chaos, there will be no way to hold that together as a single "Russian Federation." It was dicey back in 1991 when the USSR dissolved - this could be worse.