White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Polugaevsky, Lev
|
|
Ivkov, Borislav
|
|
E05
|
1972
|
1-0
| 38 |
|
|
|
Kortschnoj, Viktor Lvo...
|
|
Ivkov, Borislav
|
|
E05
|
1972
|
½-½
| 42 |
|
|
|
Polugaevsky, Lev
|
|
Ivkov, Borislav
|
|
E05
|
1973
|
1-0
| 58 |
|
|
|
Panno, Oscar
|
|
Ivkov, Borislav
|
|
E05
|
1973
|
½-½
| 73 |
|
|
|
Huebner, Robert
|
2595
|
Ivkov, Borislav
|
2525
|
E05
|
1979
|
½-½
| 28 |
|
|
|
Panno, Oscar
|
2545
|
Ivkov, Borislav
|
2525
|
E05
|
1979
|
½-½
| 31 |
|
|
|