Bolsheviks famously did land reform as one of the first decrees, so whites could gain some support only among wealthier peasants, cossacks and in Siberia, where landed gentry was absent, and even there they still had less support than Bolsheviks. Peasantry was 80% of Russian population, and their support was decisive.
Maoist United Soviets of America vs Stalinist Mexico-Brazil-Chile Pact(M-L) 
Bolsheviks famously did land reform as one of the first decrees, so whites could gain some support only among wealthier peasants, cossacks and in Siberia, where landed gentry was absent, and even there they still had less support than Bolsheviks. Peasantry was 80% of Russian population, and their support was decisive.