ROM Hack Pokemon ORAS Battle Maison Question

[jastolze]

So, a year ago, I attempted to enter my PKMN in a Battle Maison challenge. They were all qualified, no duplicates or legendaries, different items, etc.

Unfortunately, it didn't allow me to enter. I assume starting with Gen 6, they implemented a check for EV limits and other hacks.

Beside the 510 EV limit, what other "hacks" does the game check for? I made a modification of OR and wanted to make sure I could enter this time.

Thanks!