head to head
Quake Live asks more than Overwatch, and the gap is execution.

Execution · Grand Arena
Team hero shooter blending FPS mechanics with ability economy mind games.

Execution · Pure Mechanics
Browser-era refinement of Quake III, the benchmark for raw arena FPS skill.
Overwatch leans Execution (Grand Arena); Quake Live leans Execution (Pure Mechanics).
Quake Live leans clearly harder on execution.
Overwatch
Hero aim, movement, and ability timing
Quake Live
Rail aim and strafe-jump movement are the purest hand test
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Overwatch
Ult tracking, flanks, and baiting human teams
Quake Live
Duels are mind games against an adapting human opponent
Overwatch leans a little harder on variance, though the gap is small.
Overwatch
Minor spread and matchmaking noise
Quake Live
Symmetric arenas, full information, almost no randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Overwatch
Team comps, ult economy, and positioning theory
Quake Live
Item timing and map control are deeply solvable
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.