The Performance vs. Potential graphic shows how it is possible to get into the discussion about players with simple means.
Each coach or person in charge rates the players from 1-9.
In the discourse with the colleagues it is then tried to get closer to the performance (also the potential) of the athletes.
An efficient and uncomplicated tool, also for coaches from popular sports.
If you want to go one step further, document the assessments and results over a longer period of time.
In retrospect, interesting conclusions can certainly be drawn about one's own assessment behavior.