Not exactly; from the way they were describing it, when you surpass S-tier, it loops around and starts at G, then continues rising. So you go from S to SG, SF, SE, etc up to SS, then SSG, SSF, etc.., but it would display it as S, (1)G, (1)F, (1)E...(1)S, (2)G, (2)F, etc.
So, the translated...