Why do I never get much RR for doing well in my games? I rarely ever get any performance bonuses, but my friends do when not doing better than me. I always play with my friends and they always gain the same RR as me or more even when doing consistently worse while being higher rank than me. Here are some pictures of my match history:

https://imgur.com/tnMEgWV

https://imgur.com/O656M29