head to head
Super Smash Bros. Melee asks more than Super Smash Bros. for Nintendo 3DS, and the gap is execution.

Execution · Competitive PvP
A platform fighter where reading opponents and precise execution both drive victory.

Execution · Competitive PvP
A platform fighter with one of the highest execution ceilings in any competitive game, layered on top of deep human reads.
Super Smash Bros. for Nintendo 3DS leans Execution (Competitive PvP); Super Smash Bros. Melee leans Execution (Competitive PvP).
Super Smash Bros. Melee leans clearly harder on execution.
Super Smash Bros. for Nintendo 3DS
precise inputs and combo execution required
Super Smash Bros. Melee
Wavedashing, L-cancels, and tech-chasing set an extreme physical ceiling
Super Smash Bros. Melee leans clearly harder on reads.
Super Smash Bros. for Nintendo 3DS
reading opponent habits and mixups
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.
Super Smash Bros. for Nintendo 3DS
item spawns add randomness
Super Smash Bros. Melee
Stage hazard RNG and spawn positions add marginal chaos
Super Smash Bros. Melee leans a little harder on optimization, though the gap is small.
Super Smash Bros. for Nintendo 3DS
matchup knowledge and combos solvable
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.