It's called they're artificially inflating the value of their currency by using what's left of their foreign currency reserves.

It's called: "this exchange rate isn't even real because it's impossible to buy dollars in Russia and actually have them physically. There's also a 12% commission on any purchases of foreign currency.

It's also called: "there's almost no trade volume because nobody wants to buy or sell rubles so this number the central bank pulled out of their ass is fake.

It's also called: "dollars on the black market in Russia right now are being sold for 150-200 rubles.

This is like during the Soviet union when a dollar was worth 60 kopecks, a number that was totally untrue and set by the Soviet government.