Concise description:
Create a new medal that can be earned by defeating x number of unique opponents on a single map.
Specifics:
Basically this medal would recognize people who are skilled at a specific map.
Bronze could be 50, silver 100 and gold 200.
It could be expanded or switched to a single map mastery medal for EACH map (earned by defeating say 100 unique opponents on that map)
This will improve the following aspects of the site:
Allow others to see how well a player has mastered a specific map.