KFC Boom played 84 league seasons and cup tournaments in the data, 1922 to 2020. 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).
| 802 | Uberaba (Brazil) | 2.5 |
| 803 | Adana Demirspor (Turkey) | 2.5 |
| 804 | Gimnasia y Esgrima de Jujuy (Argentina) | 2.4 |
| 805 | KFC Boom (Belgium) | 2.4 |
| 806 | Mansfield Town (England) | 2.4 |
| 807 | SG Wattenscheid 09 (Germany) | 2.4 |
| 808 | Cultural Leonesa (Spain) | 2.4 |