When a king deletes their place opens up and a new king can spawn there. This needs to stop cause it is putting kings in terrible positions.
Existing kings don't want new kings spawning around them. New kings don't want to spawn in the middle of massive kingdoms.
This also applies to gov spawns, albeit to a lesser extent cause they can just menhir away. Gov spawns should lock with time. Lets say 1 tile radius per day should be locked if a player has spawned there before.
Tktest is always at or around -7|-1 so I assume that is the minimum spawning radius. This means 30 days into the server new govs should spawn around 37 tiles. COM2 is at day 7 and new govs are spawning at a radius of 31 if they are lucky enough not to spawn somewhere in no mans land. This would allow a bit more center space and a bit more competition at the edge of the map.