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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | EFF | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Dragos Popa | 1.073 | 1952-1956 | |
| 2 | Helge Lobaev# | 1.037 | 1952-1959 | |
| 3 | Mang Hui# | 1.034 | 1952-1956 | |
| 4 | Tosya Viltsinya# | 1.030 | 1955-1959 | |
| 4 | Shura Meleshko# | 1.030 | 1953-1959 | |
| 4 | Kirill Mirxayan# | 1.030 | 1952-1956 | |
| 7 | Thadzieusz Marczewski# | 1.029 | 1952-1959 | |
| 8 | Lopahin Wetkin# | 1.028 | 1952-1959 | |
| 9 | Lienhard Zimmerman# | 1.019 | 1952-1958 | |
| 10 | Ngoc Luong# | 1.017 | 1952-1954 | |
| 11 | Bogdashha Shepilov | 1.014 | 1954-1955 | |
| 12 | Tusya Rachek# | 1.007 | 1953-1955 | |
| 13 | Vassily Faseev# | 1.004 | 1952-1959 | |
| 14 | Young-min Jeon | 0.993 | 1952-1956 | |
| 15 | Filip Beteev# | 0.989 | 1952-1958 | |
| 16 | Hedeon Kabisha# | 0.986 | 1953-1958 | |
| 17 | Clemens Martin# | 0.984 | 1952-1955 | |
| 18 | Alexej Sevcik# | 0.983 | 1952-1958 | |
| 19 | Arseny Gonjarov# | 0.977 | 1952-1956 | |
| 20 | Marius Eberle# | 0.971 | 1952-1958 | |
| 21 | Lyonechka Ledogorov# | 0.970 | 1952-1959 | |
| 22 | Yuan Liu | 0.968 | 1952-1956 | |
| 23 | Jakob Baer | 0.963 | 1952-1956 | |
| 24 | Jussi Raevuori# | 0.947 | 1952-1959 | |
| 25 | Marius Badea# | 0.944 | 1952-1958 | |
| 26 | Timofei Glodev# | 0.939 | 1952-1959 |
