FC Slavia played 13 league seasons and cup tournaments in the data, 1964 to 1992. 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).
| 966 | SpVgg Unterhaching (Germany) | 1.7 |
| 967 | Darlington (England) | 1.7 |
| 968 | Zonguldakspor (Turkey) | 1.7 |
| 969 | FC Slavia (BUL) | 1.7 |
| 970 | RAEC Mons (Belgium) | 1.7 |
| 971 | BATE Barysau (Belarus) | 1.7 |
| 972 | LSV Hamburg (Germany) | 1.7 |
More: the world top 200