| Combined classes | Weight factors |
| GK | 2 |
| GL | 3 |
| GM | 4 |
| GN | 5 |
| HK | 3 |
| HL | 4 |
| HM | 5 |
| HN | 6 |
| IK | 4 |
| IL | 5 |
| IM | 6 |
| IN | 7 |
| JK | 5 |
| JL | 6 |
| JM | 7 |
| JN | 8 |