head to head
Call of Duty: Black Ops asks more than Soccer Online: Ball 3D, and the gap is execution.

Execution · Competitive PvP
Cold War-era shooter pairing twitch multiplayer with the cult Zombies mode.

Execution · Competitive PvP
An online multiplayer soccer game about positioning and outplaying human opponents.
Call of Duty: Black Ops leans Execution (Competitive PvP); Soccer Online: Ball 3D leans Execution (Competitive PvP).
Call of Duty: Black Ops leans clearly harder on execution.
Call of Duty: Black Ops
Gunfights hinge on aim and reaction speed
Soccer Online: Ball 3D
Controlling shots and movement precisely matters in matches
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: Black Ops
Reading human opponents' positioning and timing
Soccer Online: Ball 3D
Outguessing human opponents' passes and positioning is constant
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: Black Ops
Spawns, care packages, zombies RNG
Soccer Online: Ball 3D
Some physics unpredictability but mostly skill-driven
Call of Duty: Black Ops leans a little harder on optimization, though the gap is small.
Call of Duty: Black Ops
Class builds, map control, zombies routing
Soccer Online: Ball 3D
Team coordination and positioning tactics reward planning
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.