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

Execution · Grand Arena
A weapons-based 3D fighter where Reversal Edge decisions and ring positioning create constant human reads.

Execution · Grand Arena
Real-time strategy where hands, reads, and build optimization all matter at the top.
SoulCalibur VI leans Execution (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.
SoulCalibur VI
Reversal Edge timing and long lethal hit strings require tight execution
StarCraft II: Wings of Liberty
APM, macro, micro-control under pressure
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
SoulCalibur VI
Reversal Edge is a pure read-off mechanic against human opponents
StarCraft II: Wings of Liberty
1v1 ladder vs adaptive humans modeling you
StarCraft II: Wings of Liberty leans a little harder on variance, though the gap is small.
SoulCalibur VI
No RNG; ring position is full information
StarCraft II: Wings of Liberty
map spawns minor; mostly known
StarCraft II: Wings of Liberty leans clearly harder on optimization.
SoulCalibur VI
Soul Charge routes and matchup character knowledge 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.