Counter-Strike: Source

Both lean on variance about the same (3 vs 3). Biggest difference: execution (9 vs 8) - Fast time-to-kill rewards raw aim and reflex

Both lean on execution about the same (9 vs 9). Biggest difference: variance (3 vs 2) - Light spray RNG and unknown enemy positions.

Both lean on variance about the same (3 vs 3). Biggest difference: execution (9 vs 8) - Bullet drop and recoil punish sloppy aim

Both lean on execution about the same (9 vs 9). Biggest difference: reads (7 vs 6) - Human opponents adapt their routes and timings in direct response

Both lean on reads about the same (7 vs 7). Biggest difference: execution (9 vs 8) - Hero aim and ability timing

Both lean on execution about the same (9 vs 9). Biggest difference: reads (7 vs 6) - Adaptive opponents around power weapon timings.

Both lean on execution about the same (9 vs 9). Biggest difference: reads (7 vs 6) - Predicting human movement and timing in duels matters

Both lean on variance about the same (3 vs 3). Biggest difference: execution (9 vs 8) - Gunfights and recoil control decide most engagements

Both lean on reads about the same (7 vs 7). Biggest difference: execution (9 vs 8) - Bullet drop, sway, suppression test aim

Both lean on execution about the same (9 vs 9). Biggest difference: reads (7 vs 6) - Pre-aim and pacing duels reward prediction

Both lean on execution about the same (9 vs 9). Biggest difference: reads (7 vs 6) - Human duels require reading opponent ability usage and positioning

Both lean on reads about the same (7 vs 7). Biggest difference: execution (9 vs 8) - precise inputs and combo execution required