head to head
Super Smash Bros. Melee asks more than FIFA Soccer 2005, and the gap is reads.

Execution · Competitive PvP
Classic licensed football testing input control and opponent pattern reading.

Execution · Competitive PvP
A platform fighter with one of the highest execution ceilings in any competitive game, layered on top of deep human reads.
FIFA Soccer 2005 leans Execution (Competitive PvP); Super Smash Bros. Melee leans Execution (Competitive PvP).
Super Smash Bros. Melee leans clearly harder on execution.
FIFA Soccer 2005
Off-the-ball control and finishing timing are mechanical skill
Super Smash Bros. Melee
Wavedashing, L-cancels, and tech-chasing set an extreme physical ceiling
Super Smash Bros. Melee leans clearly harder on reads.
FIFA Soccer 2005
Human opponents adjust attack patterns across a match
Super Smash Bros. Melee
Reading DI choices and opponent adaptive habits is constant and non-convergent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA Soccer 2005
Bounces and keeper behaviour add minor chaos
Super Smash Bros. Melee
Stage hazard RNG and spawn positions add marginal chaos
Super Smash Bros. Melee leans clearly harder on optimization.
FIFA Soccer 2005
Formations and exploit plays of the era are learnable
Super Smash Bros. Melee
Character matchup tiers and optimal movement routing are deeply studied
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.