head to head
Call of Duty: Black Ops asks more than NFL 2K3, and the gap is execution.

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

Execution · Competitive PvP
An American football sim mixing stick execution with play-calling mind games versus opponents.
Call of Duty: Black Ops leans Execution (Competitive PvP); NFL 2K3 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
NFL 2K3
Stick control of players demands timing and reaction
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
NFL 2K3
Play-calling against human opponents is constant prediction
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
NFL 2K3
Fumbles and bounces inject randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: Black Ops
Class builds, map control, zombies routing
NFL 2K3
Playbook knowledge 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.