Class | Lowest Range | Middle Range | Highest Range |
|---|---|---|---|
O* | 1297 | 1393 | 1500 |
S+ | 1134 | 1211 | 1297 |
S | 1007 | 1066 | 1134 |
S- | 912 | 956 | 1007 |
A+ | 844 | 875 | 912 |
A | 798 | 818 | 844 |
A- | 770 | 782 | 798 |
B+ | 756 | 762 | 770 |
B | 751 | 753 | 756 |
B- | 750 | 750 | 751 |
C+ | 749 | 750 | 750 |
C | 744 | 747 | 749 |
C- | 730 | 738 | 744 |
D+ | 702 | 718 | 730 |
D | 656 | 682 | 702 |
D- | 588 | 625 | 656 |
F+ | 493 | 544 | 588 |
F | 366 | 434 | 493 |
F- | 203 | 289 | 366 |
Z | 0 | 107 | 203 |