I do like this idea and it's very similar to what we do over at YGOPRODeck. However, I am a one person team here as opposed to the larger team we have at YGOPRODeck.
So I think to implement this I would need to:
- Give users the benefit of the doubt that what they are submitting is accurate (not good)
- Manually review all submissions (lots of tedium)
I don't want to outright reject this as I would like to incorporate tournament meta data into this but I want to work out a solid plan that makes it as smooth as possible.