head to head
Warcraft III: Reign of Chaos asks more than The King of Fighters XV, and the gap is variance.

Execution · Grand Arena
A refined KOF entry that lowers the execution bar slightly while preserving the team-order reads and punish game.

Optimization · Grand Arena
Blizzard's hero-centric RTS where build-order theory meets surgical unit micro against humans.
The King of Fighters XV leans Execution (Grand Arena); Warcraft III: Reign of Chaos leans Optimization (Grand Arena).
The King of Fighters XV leans a little harder on execution, though the gap is small.
The King of Fighters XV
Shatter Strike and MAX Mode combos demand practiced precise inputs
Warcraft III: Reign of Chaos
Micro of heroes and units decides fights
The King of Fighters XV leans a little harder on reads, though the gap is small.
The King of Fighters XV
Team order choices and opponent habit exploitation remain central
Warcraft III: Reign of Chaos
Scouting and out-guessing a human opponent's tech
Warcraft III: Reign of Chaos leans clearly harder on variance.
The King of Fighters XV
No RNG; all information is visible in the match
Warcraft III: Reign of Chaos
Creep routes and item drops add randomness
Warcraft III: Reign of Chaos leans clearly harder on optimization.
The King of Fighters XV
Team construction and MAX Mode routing reward study
Warcraft III: Reign of Chaos
Build orders, creeping routes, and matchup theory run deep
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.