head to head
Call of Duty: Modern Warfare 2 asks more than Bloody Roar 2, and the gap is variance.

Execution · Competitive PvP
A fast versus fighter testing combo execution and prediction of human opponents around beast transformations.

Execution · Competitive PvP
Blockbuster 2009 sequel famous for killstreak chains and frantic multiplayer.
Bloody Roar 2 leans Execution (Competitive PvP); Call of Duty: Modern Warfare 2 leans Execution (Competitive PvP).
Call of Duty: Modern Warfare 2 leans a little harder on execution, though the gap is small.
Bloody Roar 2
Fast combos and beast-mode cancels demand clean hands
Call of Duty: Modern Warfare 2
Fast time-to-kill rewards raw aim and reflex
Bloody Roar 2 leans a little harder on reads, though the gap is small.
Bloody Roar 2
Human opponents must be conditioned and predicted to win
Call of Duty: Modern Warfare 2
Outguessing human rotations and flanks
Call of Duty: Modern Warfare 2 leans clearly harder on variance.
Bloody Roar 2
Full information fighter with no hidden state
Call of Duty: Modern Warfare 2
Spawn flips and killstreak randomness
Call of Duty: Modern Warfare 2 leans a little harder on optimization, though the gap is small.
Bloody Roar 2
Beast meter management and matchup study reward homework
Call of Duty: Modern Warfare 2
Killstreak economy, loadout and map knowledge
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.