head to head
Samurai Shodown asks more than Call of Duty: Modern Warfare 2, and the gap is reads.

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

Reads · Competitive PvP
High-stakes spacing duels where one read decides the round.
Call of Duty: Modern Warfare 2 leans Execution (Competitive PvP); Samurai Shodown leans Reads (Competitive PvP).
Call of Duty: Modern Warfare 2 leans a little harder on execution, though the gap is small.
Call of Duty: Modern Warfare 2
Fast time-to-kill rewards raw aim and reflex
Samurai Shodown
Punishing whiffs demands precise spacing and timing
Samurai Shodown leans clearly harder on reads.
Call of Duty: Modern Warfare 2
Outguessing human rotations and flanks
Samurai Shodown
One-hit stakes make every poke a prediction duel
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
Samurai Shodown
Rage meter and item drops add minor randomness
Call of Duty: Modern Warfare 2 leans a little harder on optimization, though the gap is small.
Call of Duty: Modern Warfare 2
Killstreak economy, loadout and map knowledge
Samurai Shodown
Matchup ranges and punish knowledge underpin the neutral
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.