I'm starting placement matches and I played one till now, I lost it, what do they look at when deciding the rank, the unrated games or the kda, can someone help me?

Each map has some sort of gimmick, like Bind with the teleporters, Lotus with the rotating doors, Fracture with 2 sides for the attack and so on. I'm curious to know what the other people want to see next. For me, I'd love to see a small...