head to head
Tom Clancy's Rainbow SixvsWarcraft: Orcs & Humans
Tom Clancy's Rainbow Six leans Optimization (Practiced Mastery); Warcraft: Orcs & Humans leans Optimization (Practiced Mastery).
Tom Clancy's Rainbow SixWarcraft: Orcs & Humans
Axis by axis
Execution6 vs 5
Tom Clancy's Rainbow Six leans harder on execution: One bullet kills, so entries demand clean aim
Reads3 vs 4
Warcraft: Orcs & Humans leans harder on reads: Human multiplayer adds genuine build mind games
Variance3 vs 3
Even - both lean on variance about the same.
Optimization7 vs 7
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

