Accuracy and Timing probably have more to do with getting a KO over raw power. The generation of force between two people can have many factors, and many KO artists usually rely on setting up the opponent over swinging wildly.
It doesn't matter if you agree or disagree
... As long as I don't bore you and I spark a moment of thought, my goal is achieved
Queng leon queng tigre ecu tacacut, queca pa? - Pampangan Mandarigma Motto