It might be that Qui-gon would've been able to beat Dooku when Dooku was as young as him, or if Qui-gon had lived to Dooku's age he might've been able to meet and surpass him. But that didn't happen and is speculation anyway, so Dooku's peak is clearly higher than Qui-gon's.
Originally posted by Mshinu
You can flip that around too because most Jedi who grow very powerful studied under a powerful master. Naturally the top masters will pick the students with the most potential.Anyway percentages does not apply here since we are talking about specific individuals rather than mr x and y.
Yes, very true.