My game was stalled for a day or two while I clarified the RR rules, so now I can proceed on the assumption that the following effect of revolution are correct:
1. Moscow was contested R & A. It is now shared. Austria can move out some units, but must leave at least one infantry there at all times.
The UK units in Livonia can attack the Austrians here in the one turn they get; any surviving Brits vanish into thin air (labour camps) at the end of the UK turn. If they defeat the Austrians, control of Moscow reverts to Russia.
2. Finland and Kazakhstan were Russian controlled but empty. They are now no-go areas for both sides.
3. Livonia was contested B & G. A Soviet Commisar unit must be placed here to supervise local authority. The enemies are free to attack each other, but the Brits must leave at the end of their turn. If the Germans win the tt becomes shared, but the CPs cannot take control. If the Brits win, it immediately reverts to Russian control. If it remains contested between G & B, the Germans must subsequently leave an infantry unit there even though they have no chance of controlling the tt even when the Brits have all been marched off to Siberia.
4. Poland, Belarus, Ukraine & Tartarstan were CP controlled. They may leave these areas empty, but still collect income from them. The Allies can attack them in their one turn in Russia.
5. Sevastopol is Russian controlled but occupied by the British Indian army. That army may:
1. Attack the Turks in Mesopotamia
2. Stay where they are and vanish at the end of the turn
3. Attack the Turks in Tartarstan or the Austrians in Ukraine, then vanish at the end of the turn
4. Attack the Turks in Romania and, if they survive, remain there
Since Sevastopol is Russian controlled, the CP forces may not attack the UK forces there and take control of the tt