White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Bobotsov, Milko Georgi...
|
|
Kostov Petkov, Petko
|
|
D41
|
1959
|
½-½
| 28 |
|
|
|
Dimitrov Krastev, Kras...
|
|
Kostov Petkov, Petko
|
|
E62
|
1960
|
½-½
| 11 |
|
|
|
Chipev, Teodor Antonov
|
|
Kostov Petkov, Petko
|
|
C97
|
1960
|
½-½
| 28 |
|
|
|
Pipkov, Lubomir
|
|
Kostov Petkov, Petko
|
|
C67
|
1960
|
½-½
| 62 |
|
|
|
Khadshipetrov, Alexand...
|
|
Kostov Petkov, Petko
|
|
C67
|
1960
|
½-½
| 13 |
|
|
|
Andreev, Alexi
|
|
Kostov Petkov, Petko
|
|
E62
|
1960
|
½-½
| 39 |
|
|
|
Radev Iordanov, Nikola...
|
|
Kostov Petkov, Petko
|
|
E97
|
1960
|
½-½
| 13 |
|
|
|
Minev, Nikolay Nikolae...
|
|
Kostov Petkov, Petko
|
|
D36
|
1961
|
½-½
| 41 |
|
|
|
Prahov, Valentin Aseno...
|
|
Kostov Petkov, Petko
|
|
C56
|
1961
|
½-½
| 56 |
|
|
|
Kadrev, Zdravko Minche...
|
|
Kostov Petkov, Petko
|
|
D34
|
1961
|
½-½
| 19 |
|
|
|
Popov, Luben
|
|
Kostov Petkov, Petko
|
|
D32
|
1961
|
½-½
| 22 |
|
|
|
Piskov, Kamen Penev
|
|
Kostov Petkov, Petko
|
|
A52
|
1961
|
½-½
| 36 |
|
|
|
Pantaleev, Dimitar Dim...
|
|
Kostov Petkov, Petko
|
|
E81
|
1961
|
½-½
| 23 |
|
|
|
Dimitrov Iliev, Ilia
|
|
Kostov Petkov, Petko
|
|
C84
|
1961
|
½-½
| 28 |
|
|
|