head to head
Warcraft III: Reign of Chaos asks more than Overwatch 2, and the gap is optimization.
Execution · Grand Arena
A hero shooter where teams brawl over objectives using locked ability kits.

Optimization · Grand Arena
Blizzard's hero-centric RTS where build-order theory meets surgical unit micro against humans.
Overwatch 2 leans Execution (Grand Arena); Warcraft III: Reign of Chaos leans Optimization (Grand Arena).
Overwatch 2 leans a little harder on execution, though the gap is small.
Overwatch 2
Aim and ability timing decide most duels.
Warcraft III: Reign of Chaos
Micro of heroes and units decides fights
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Overwatch 2
Adaptive enemy comp counters and ult baiting.
Warcraft III: Reign of Chaos
Scouting and out-guessing a human opponent's tech
Warcraft III: Reign of Chaos leans a little harder on variance, though the gap is small.
Overwatch 2
Minimal randomness, mostly map and matchmaking.
Warcraft III: Reign of Chaos
Creep routes and item drops add randomness
Warcraft III: Reign of Chaos leans clearly harder on optimization.
Overwatch 2
Comp building, ult economy, and cooldown tracking.
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.