White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Kostov Petkov, Petko
|
|
Minev, Nikolay Nikolae...
|
|
B77
|
1959
|
½-½
| 18 |
|
|
|
Kostov Petkov, Petko
|
|
Popov, Luben
|
|
B23
|
1960
|
½-½
| 41 |
|
|
|
Kostov Petkov, Petko
|
|
Prahov, Valentin Aseno...
|
|
B22
|
1960
|
½-½
| 40 |
|
|
|
Kostov Petkov, Petko
|
|
Pantaleev, Dimitar Dim...
|
|
C47
|
1960
|
½-½
| 18 |
|
|
|
Kostov Petkov, Petko
|
|
Neikirkh, Oleg
|
|
B85
|
1960
|
½-½
| 20 |
|
|
|
Kostov Petkov, Petko
|
|
Daskalov, Georgi Ilche...
|
|
A00
|
1960
|
½-½
| 12 |
|
|
|
Kostov Petkov, Petko
|
|
Drumev, Avram
|
|
B01
|
1961
|
½-½
| 59 |
|
|
|
Kostov Petkov, Petko
|
|
Filchev, Rusko
|
|
B35
|
1961
|
½-½
| 41 |
|
|
|
Kostov Petkov, Petko
|
|
Dimitrov Krastev, Kras...
|
|
E81
|
1961
|
½-½
| 42 |
|
|
|
Kostov Petkov, Petko
|
|
Milev, Angel
|
|
B15
|
1961
|
½-½
| 16 |
|
|
|
Kostov Petkov, Petko
|
|
Ajanski, Jordan S
|
|
B91
|
1961
|
½-½
| 26 |
|
|
|
Kostov Petkov, Petko
|
|
Tringov, Georgi Petrov
|
|
B96
|
1961
|
½-½
| 37 |
|
|
|
Kostov Petkov, Petko
|
|
Chipev, Teodor Antonov
|
|
E19
|
1963
|
½-½
| 33 |
|
|
|
Kostov Petkov, Petko
|
|
Drumev, Avram
|
|
C50
|
1963
|
½-½
| 47 |
|
|
|