Two acts ago I was plat 3 when the season ended. I didn't play at all last act. This act comes along, I win 4/5 placements, mvp in all 4 of the wins, and then place silver 1. Is there something I'm missing that happened behind the scenes?

I have recently started playing Valorant and he is my "main" so to say, however after looking into information about maps, Yoru seems to be an average option at most on all maps. Is Yoru just a bad character? I seem to do pretty good with h...