head to head
StarCraft II: Wings of Liberty asks more than Rivals of Aether, and the gap is optimization.

Reads · Grand Arena
A shield-less platform fighter where the absence of defensive options forces constant aggressive reads against human opponents.

Execution · Grand Arena
Real-time strategy where hands, reads, and build optimization all matter at the top.
Rivals of Aether leans Reads (Grand Arena); StarCraft II: Wings of Liberty leans Execution (Grand Arena).
StarCraft II: Wings of Liberty leans a little harder on execution, though the gap is small.
Rivals of Aether
Wavedash movement and off-stage edgeguards require real physical precision
StarCraft II: Wings of Liberty
APM, macro, micro-control under pressure
Rivals of Aether leans a little harder on reads, though the gap is small.
Rivals of Aether
No shields forces constant adaptive prediction against human opponents
StarCraft II: Wings of Liberty
1v1 ladder vs adaptive humans modeling you
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Rivals of Aether
Stage hazards add minor variance
StarCraft II: Wings of Liberty
map spawns minor; mostly known
StarCraft II: Wings of Liberty leans clearly harder on optimization.
Rivals of Aether
Elemental mechanic interactions and matchup routing reward study
StarCraft II: Wings of Liberty
build orders, economy curves heavily solved
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.