ORIGINAL: ncc1701e
It seems it was 2. Here is Alvaro's view on it:
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"So here is the deal..... There was one strategy where the Russians simply ran away. It was a 100% successful strategy to thwart the Germans. So I increase rail repair rate from 2 to 3 hexes per turn. The Russians should defend SOME forward to slow down the advance and not just run away 100% of the time never engaging. What was happening was that the Germans would outrun the rail and have to wait and the Russians didn't have to do anything. Then just wave hit them in 1942 and 1942 and tada dead Germany. With the 3 rail repair rate I think that is enough to force the Russians to defend some. Basically all games should hit the historical line or close to it by the end of the year. With the new winter supply penalties and bonuses to winter combat specialization it should allow the Soviets to mount a winter offensive."
I didn't play the game when it first came out, but I am skeptical that this runaway strategy would work with the current rules even if rail repair was reduced from 3 to 2. For one thing the Baltic States rail are automatically repaired, so this run away would not do much if anything to slow the advance on Leningrad. For another there would be no difference for the first two turns of Barbarossa as rail lines are not repaired on these turns anyway. The differences would not show up until turns 3. If the Russians run away it means that they are not gaining any National Morale/Experience increases. Now that they start at 30% this is more important than ever.
In any event I for one would like to try this. I will play the Axis and whoever plays me can use this Runaway strategy.