TIL YuGiOh and Super Smash Bros tournaments had to introduce hygiene clauses to their rulebooks, where being dirty or smelling foul would result in a loss, due to so many players neglecting their personal hygiene.

theregister.com

Summary

Competitive YuGiOh players have been given a literal breath of fresh air, thanks to new rules mandating anyone in a competitive game not reek.

Never knew one in real life until hearing about it online