head to head
Super Smash Bros. Melee asks more than WWE SmackDown! Here Comes the Pain, and the gap is execution.

Execution · Competitive PvP
A platform fighter with one of the highest execution ceilings in any competitive game, layered on top of deep human reads.

Execution · Competitive PvP
Beloved PS2 wrestler combining fast arcade grappling with body-part damage and deep rosters.
Super Smash Bros. Melee leans Execution (Competitive PvP); WWE SmackDown! Here Comes the Pain leans Execution (Competitive PvP).
Super Smash Bros. Melee leans clearly harder on execution.
Super Smash Bros. Melee
Wavedashing, L-cancels, and tech-chasing set an extreme physical ceiling
WWE SmackDown! Here Comes the Pain
Fast grapple chains and counter timing
Super Smash Bros. Melee leans clearly harder on reads.
Super Smash Bros. Melee
Reading DI choices and opponent adaptive habits is constant and non-convergent
WWE SmackDown! Here Comes the Pain
Versus play rewards predicting counter attempts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Super Smash Bros. Melee
Stage hazard RNG and spawn positions add marginal chaos
WWE SmackDown! Here Comes the Pain
Minor random elements in matches
Super Smash Bros. Melee leans clearly harder on optimization.
Super Smash Bros. Melee
Character matchup tiers and optimal movement routing are deeply studied
WWE SmackDown! Here Comes the Pain
Body-damage targeting and move knowledge are learnable
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.