I don't know enough about chess but surely amateurs don't play at a consistent level. Like, I play a little and I'm quite certain some of my moves are awful (20

I don't know enough about chess but surely amateurs don't play at a consistent level. Like, I play a little and I'm quite certain some of my moves are awful (20%?) and some are the same move magnus makes (10%?) and most are on a spectrum between (70%?).