why do people check for no reason

ckeck in chess +

Hhh

Low ranked players check their opponents King more than higher ranked players because it feels like an attacking move. More skilled players only check when it ceates an advantage,

Dunno usually it's bad but sometimes it's a fork

If you play a 5 minutes or shorter game a pointless check gives you a small advantage and is somewhat likely to disrupt opponent's plans.

Beginner and less-experienced players often focus on immediate threats rather than long-term strategy. They might give a check without realizing it does not contribute to their overall position or plan.

Worst chess advice ever : "Always give check... who knows, it might be mate!"

I normally just do it to annoy people and force a move. Its good for breaking up prawn structures early on IMO. Especially if you can do it on the side they want to castle. I also do it a lot if they are pressuring me.

They tend to over-extend a lot if you do it.