I personally oppose generating maps automatically! It's better if the computer generates the maps, rather than people complaining later, saying things like "who generated this, I'd tear their hands off" and so on.
2Oelm
600+300, probably without counting the battles ;)
With battles, time passed in them )). However, these games were more of a training exercise; it's not enough for more serious games, but 1800+300 is quite optimal for a real game so it doesn't drag on too much.