Zone Limit (ZL)
This game play modifier limits the number of players that may be spawned from any one field at any one moment in time. What ever ZL is calculated once that number is reached no more players may spawn (from that field) until those players spawned end flight.
How could this be dynamically used to balance game play to prevent local massive misbalance?
One proposal is below.
Assumptions
Small maps start with approximately 6 to 8 fields bordering enemy fields.
Large maps start with roughly double this number of border fields.
Methodology.
A setting is added to the arena settings table it is the "max zone divider" (MaxZD) for terrains with larger borders this number would be larger and vis versa. (I would normally set it at the number of fields bordering minus 25%)
To set the zone limit per field we take the smallest population and divide it by the zone divider (ZD)
The ZD is 50% the number of fields of the smallest country or 50% of the MZD which ever is the smaller.
How would this math work?
Below is a link to a small spread sheet upon which you can test it. Basically put your own numbers in the yellow cells and see how the zone limit spreads the larger populations across more fields.
What I think you will see is that when the population inbalance becomes very disproportionate then more pilots will be forced to use rear fields.
However they will always be able to launch and they will not be denied of ac choice other than those restrictions as normally apply.
http://www.tilt.clara.net/strat/ZLT.xls