White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Kogan, Efim
|
|
Klaman, Konstantin
|
|
B84
|
1948
|
1-0
| 24 |
|
|
|
Kogan, Efim
|
|
Kopaev, Nikolay Antono...
|
|
C91
|
1950
|
1-0
| 50 |
|
|
|
Kogan, Efim
|
|
Elbekov, U
|
|
|
1951
|
1-0
| 0 |
|
|
|
Kogan, Efim
|
|
Lazarev, Efim M
|
|
B70
|
1954
|
1-0
| 33 |
|
|
|
Kogan, Efim
|
|
Stoliarov, Leonid
|
|
D39
|
1954
|
1-0
| 20 |
|
|
|
Kogan, Efim
|
|
Rotstein, Jefim
|
|
B91
|
1957
|
1-0
| 30 |
|
|
|
Kogan, Efim
|
|
Prokhorovich, Taras E
|
|
D18
|
1959
|
1-0
| 33 |
|
|
|