I trashed my laner, had a gigantic KDR, very high CS, high damage to turrets and # of turrets destroyed(esp. for the game length). The only thing I can think of is that my kill participation wasn't all that high(45%) but I was split-pushing mainly.
I did get one death but I've played games where I got 0 deaths too but then lost out on S-rank to low CS/minute because I was busy farming enemy champs instead, etc.
I know you guys are gonna look at my match history and say I'm a shit player in general and that is 100% true, but in my rare really good game like this, what am I missing that prevents me getting S-rank? I used to get them fairly often but they seem way harder for me to get now and idk what I'm doing wrong.