Player moves correctly on the listen server but is very laggy on the client even on the localhost

[Etyuhibosecyu]

Here is demonstration:
[Video deleted by author]
Here is turn blueprint function:

Computer is modern and fast. What can be the problem? Or what do I have to still show?

[Etyuhibosecyu]

Bump. The topic is actual.

[PREDALIEN]

I think this will help you.