Class | Lowest Range | Middle Range | Highest Range |
|---|---|---|---|
O* | 1729 | 1857 | 2000 |
S+ | 1512 | 1614 | 1729 |
S | 1343 | 1422 | 1512 |
S- | 1216 | 1275 | 1343 |
A+ | 1125 | 1166 | 1216 |
A | 1064 | 1091 | 1125 |
A- | 1027 | 1043 | 1064 |
B+ | 1008 | 1016 | 1027 |
B | 1001 | 1003 | 1008 |
B- | 1000 | 1000 | 1001 |
C+ | 999 | 1000 | 1000 |
C | 992 | 997 | 999 |
C- | 973 | 984 | 992 |
D+ | 936 | 957 | 973 |
D | 875 | 909 | 936 |
D- | 784 | 834 | 875 |
F+ | 657 | 725 | 784 |
F | 488 | 578 | 657 |
F- | 271 | 386 | 488 |
Z | 0 | 143 | 271 |