head to head
vs
Counter-Strike 2vsRainbow Six Siege
Counter-Strike 2 leans Execution (Competitive PvP); Rainbow Six Siege leans Reads (Grand Arena).
Counter-Strike 2Rainbow Six Siege
Axis by axis
Execution9 vs 7
Counter-Strike 2 leans harder on execution: Aim, spray control, and movement are the headline skills.
Reads7 vs 9
Rainbow Six Siege leans harder on reads: Defenders adapt holds; attackers fake and bait.
Variance3 vs 2
Counter-Strike 2 leans harder on variance: Spray RNG and unknown opponent positions add fog.
Optimization5 vs 6
Rainbow Six Siege leans harder on optimization: Operator picks, gadget placement, and utility usage.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.