I’m a big history nerd, as well as a huge fantasy nerd too, but after relistening to Blood and Fire by George RR Martin, as well as A Knight of The Seven Kingdoms (same author), I realized that tournaments seemed to be a fairly common thing for lords to do at least within the fantasy world. Is this an accurate reflection of the real world?
There's always more that can be said, but while you're waiting you might enjoy this older answer from /u/Asinus_Docet on how the joust was organized.