The Russian Ruble will follow the rest of the market. RTSI is already on its way to ~200..300. SPX and RTSI and all other indices will bottom out at the same time.
Note that none of the price action in RUB or RTSI is related to the events in Ukraine. It's all part of the global debt unwind. By the end of the crash the entire world will be bleeding heavily, and Russia will, too.