First of all movement mechanics are pretty stupid from a combat context.
Characters are very floaty and don't really react to anything.
The most glaring examples are things like impaling yourself on thrusting weapons so you take less damage (handle hit)
Flipping war/peace stance at your leisure (both for running away and chasing, war stance sprint kind of sucks)
Unhorsing/knocking people down most of the time just gives them invincibility frames (probably another server issue with lagging phantom hitboxes)
Mounting horses is too easy, lancers are rarely punished when they get unhorsed unless you have a team of people locking down the horse and playing ring around the rosy with the rider.
All sorts of silly things.
The game needs some kind of mechanic to provide better feedback with weapons and movement mechanics.
Even something as simple as a tapering movement slow on being hit by a melee weapon would suffice, having a successful parry remove the debuff would be a rewarding way to go about it.
Something like that, I don't know.
If I have a longer weapon than my opponent I should be able to use it to better control spacing/keep him away from me, and likewise if my opponent with a shorter, easier to control weapon is able to get inside my guard he should then have the advantage.
At the current state of the game it's like watching everyone play tag as they dart around flipping peace/war stance trying to catch eachother, even in the IBs it's pretty silly.
Spoiler