sr russia

I've had this idea kicking around for a week or two and I just wanted to hear peoples' thoughts. Lenin dies early and the Bolsheviks are thrown into chaos. The one who takes Lenin's place turns out to be Alexei Rykov, who won out by getting support from other parties and groups who were less...

How plausible would it be for the Socialist Revolutionaries to successfully win the Russian Revolution, while the Bolsheviks, while beaten, are not decisively destroyed amd entrench themselves on Ukraine or Belarus or another important but not quite central piece of the former Russian Empire?