White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Donner, Jan Hein
|
|
Ivkov, Borislav
|
|
E66
|
1966
|
0-1
| 49 |
|
|
|
Minev, Nikolay Nikolae...
|
|
Ivkov, Borislav
|
|
E66
|
1966
|
½-½
| 43 |
|
|
|
Spassky, Boris Vasilie...
|
|
Ivkov, Borislav
|
|
E66
|
1966
|
½-½
| 30 |
|
|
|
Botvinnik, Mikhail
|
|
Ivkov, Borislav
|
|
E66
|
1969
|
½-½
| 28 |
|
|
|
Calvo Minguez, Ricardo
|
|
Ivkov, Borislav
|
|
E66
|
1969
|
½-½
| 31 |
|
|
|
Fridman, Daniel
|
2594
|
Ivkov, Borislav
|
2433
|
E66
|
2004
|
½-½
| 37 |
|
|
|