head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Competitive PvP
A competitive party platformer where placing obstacles to block others while surviving your own traps tests both execution and social prediction.

Execution · Competitive PvP
An anime fighting game testing execution and prediction against human opponents.
Ultimate Chicken Horse leans Execution (Competitive PvP); Yu Yu Hakusho: Ghost Files - Dark Tournament leans Execution (Competitive PvP).
Ultimate Chicken Horse leans a little harder on execution, though the gap is small.
Ultimate Chicken Horse
Precise platforming through player-built obstacle courses is the ceiling
Yu Yu Hakusho: Ghost Files - Dark Tournament
Combo timing and spacing matter in fast 2D fights
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Ultimate Chicken Horse
Predicting what obstacles opponents will place is genuine social reads
Yu Yu Hakusho: Ghost Files - Dark Tournament
Human versus opponents drives prediction of attacks and blocks
Yu Yu Hakusho: Ghost Files - Dark Tournament leans a little harder on variance, though the gap is small.
Ultimate Chicken Horse
Block placement creates novel layouts each round
Yu Yu Hakusho: Ghost Files - Dark Tournament
Some card-mode RNG and matchup chaos
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Ultimate Chicken Horse
Optimal obstacle placement strategies are learnable over sessions
Yu Yu Hakusho: Ghost Files - Dark Tournament
Character movesets and matchups reward study
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.