Xerxes played 40 league seasons and cup tournaments in the data, 1925 to 2009. 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).
| 1103 | Kur-Nur Mingachevir (Azerbaijan) | 1.3 |
| 1104 | Atvidabergs FF (SWE) | 1.3 |
| 1105 | HVC (Netherlands) | 1.2 |
| 1106 | Xerxes (Netherlands) | 1.2 |
| 1107 | Arenas de Guecho (Spain) | 1.2 |
| 1108 | B1903 (DEN) | 1.2 |
| 1109 | Estudiantes de Mérida (VEN) | 1.2 |