Ratios Tier Range

[voxyzz]

How do i calculate what Tier is Ratio?
For example if T1 ESR is 0.45-0.47, then what is 0.43? T2 or T3? And how to understand it
Looking forward for normal answer

 

[sub3forfemcels]

anything below it is just subhuman
my goat mari lederman would never have that problem

 

[voxyzz]

Mari Lederman's ESR isn't perfect too ?