I'm currently a rep 9 maining warden which is at rep 4 got placed in plat 2 40%.

just around 20 mins ago i fought a rep 6 shugoki rep 6 and lost a 2-3 after that i lost 130% completion and deranked to plat 1.

I went in to another match and faced a rep 60 warden rep 10 player,i to my own astonishment actually won a 2-3 and gained 50% completion...

Is this normal? beacuse this really doesnt seem like a sensible elo system nor do i like it.