Found this some time ago, some interesting rules and challenges:
https://docs.google.com/spreadsheets/d/1NE0HSfIL3VsoqbwUR2Y7BxsUplym43hjJlrsI1bHHW8/edit#gid=1925495841
@robmar85 Thx, i didn't test them completely because of lack of older Fifas, will be corrected.
For now people can use them instead of asking for others to convert them.