A feature that was on Civ IV, basically, if you enable it, random events on that exact same turn have a chance of not being the same; which would be handy if a random event is causing a crash. (Such as a battle outcome, something you did, etc).
I'm saying because smh the multiplayer is extremely crashy due to some random events, and having a chance of them not happening again is better than them repeating 100% of the time.
BTW I'm currently unaware if the game uses that sytem, still would be good to have some advanced option on the .ini