head to head
Call of Duty: Modern Warfare 2 asks more than TNA Impact!, and the gap is execution.

Execution · Competitive PvP
Blockbuster 2009 sequel famous for killstreak chains and frantic multiplayer.

Execution · Competitive PvP
A wrestling game testing reversal timing with light mind-games against humans.
Call of Duty: Modern Warfare 2 leans Execution (Competitive PvP); TNA Impact! leans Execution (Competitive PvP).
Call of Duty: Modern Warfare 2 leans clearly harder on execution.
Call of Duty: Modern Warfare 2
Fast time-to-kill rewards raw aim and reflex
TNA Impact!
Reversal timing windows decide most exchanges
Call of Duty: Modern Warfare 2 leans clearly harder on reads.
Call of Duty: Modern Warfare 2
Outguessing human rotations and flanks
TNA Impact!
Human opponents can be baited into whiffed grapples
Call of Duty: Modern Warfare 2 leans a little harder on variance, though the gap is small.
Call of Duty: Modern Warfare 2
Spawn flips and killstreak randomness
TNA Impact!
Little is hidden beyond minor AI inconsistency
Call of Duty: Modern Warfare 2 leans clearly harder on optimization.
Call of Duty: Modern Warfare 2
Killstreak economy, loadout and map knowledge
TNA Impact!
Move-chain knowledge runs out of depth quickly
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.