Do you consider Nestor Makhno and Symon Petliura to be anti-Communist? If so, I believe that they would be the faction most suited to making Russia a worse place to live than the Stalinist USSR (this is assuming that either of them can conquer Russia ITTL as opposed to staying based in Ukraine like IOTL). Petliura was a Ukrainian ultra-nationalist who was responsible for a large number of deadly pogroms against Jews, with more Jews being killed under Petliura's rule than under any other Russian faction. It's not too much of a stretch to assume that he could be responsible for a nationwide Holocaust-style mass pogrom against the Russian Jewish population at some point down the line, and this would be a genocide of Holocaust-level proportions (there were about 5 million Jews in the Russian Empire at this time). Nestor Makhno would be even worse: his Anarchists were anti-Semites who engaged in bloody pogroms against Jews (just like Petliura's men), and the man himself was a drunkard who frequently engaged in sexual crimes against women. His anarcho-communism, however, would prove to be the real killer here, seeing as history has shown us that the more radical and the more revolutionary an ideological regime is, the more bloody will be its reign. I thus have no doubt that the Makhnovshchina, if extended to include all of Russia, would lead to the deaths of many millions of innocent individuals as the anarcho-communist system consumes and destroys itself from within.
