Viktoria Köln played 29 league seasons and cup tournaments in the data, 1943 to 2026. Success weighs every finish by how hard that competition was to win; Efficiency is the share of what the club could have won that it did win; Edge compares that with an average participant (×1.00).
| 990 | Calais RUFC (France) | 1.6 |
| 991 | Arsenal Kyiv (Ukraine) | 1.6 |
| 992 | VfR Neumünster (Germany) | 1.6 |
| 993 | Viktoria Köln (Germany) | 1.6 |
| 994 | Vizela (Portugal) | 1.6 |
| 995 | Cúcuta Deportivo (COL) | 1.6 |
| 996 | Figueres (Spain) | 1.6 |