The superior chess player will, in the aggregate:
Exploit weaknesses better
Be more patient
Know more patterns
Be more flexible, eclectic, creative & unbiased in their planning
Master the ideas behind the openings better
Calculate more deeply...












One final point that's a big part of chess mastery:
The superior chess player will have a better, more consistent grasp on when to apply which patterns given highly complex positions; that is, to know which pattern(s) to prioritize, even if it means breaking "rules" (intuition)
The superior chess player will have a better, more consistent grasp on when to apply which patterns given highly complex positions; that is, to know which pattern(s) to prioritize, even if it means breaking "rules" (intuition)
Maybe this is why we marvel at positional exchange sacrifices. The player analyzed a highly complex position with a variety of imbalances/patterns; they appreciated something subtle, like increased control of a square they deemed critical, and parted with material to exploit it.
The superior, um, tweeter would also probably have a good understanding of subtleties like..."when is this thread complete"? But this is about chess, and another thought must be shared about it (priorities)...
I think this all boils down to judgment: the superior player is a better judge of what is required in a unique position.
And yet (finally?)...let us not forget that the superior player is also practical, excellent at making myriad routine, "boring" moves (think: Karpov much of the time), knowing when to maintain continuity and when the ruptures (breaking tension, tradition, or both) occur.