The SETP ran an interesting comparison between P-47, P-51, F4U and F6F, which were evaluated by modern TPs and the Mustang fared surprisingly poorly,
In the right hands the Yak 9 was supposed to be able to wee over all its western contemporaries.
yak
Makes a P51 look like a drag queen.
Still not as pretty as an early mark Spitfire though.