White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Kostov Petkov, Petko
|
|
Dimitrov Iliev, Ilia
|
|
B22
|
1959
|
0-1
| 60 |
|
|
|
Kostov Petkov, Petko
|
|
Popov, Vladilen
|
|
C29
|
1959
|
0-1
| 54 |
|
|
|
Kostov Petkov, Petko
|
|
Chaprazov, Ivan Vasile...
|
|
C02
|
1960
|
0-1
| 71 |
|
|
|
Kostov Petkov, Petko
|
|
Chipev, Teodor Antonov
|
|
C29
|
1961
|
0-1
| 67 |
|
|
|
Kostov Petkov, Petko
|
|
Spassov, Liuben
|
|
B96
|
1961
|
0-1
| 64 |
|
|
|
Kostov Petkov, Petko
|
|
Kadrev, Zdravko Minche...
|
|
D88
|
1963
|
0-1
| 32 |
|
|
|
Kostov Petkov, Petko
|
|
Tringov, Georgi Petrov
|
|
B06
|
1963
|
0-1
| 79 |
|
|
|
Kostov Petkov, Petko
|
|
Minev, Nikolay Nikolae...
|
|
C47
|
1963
|
0-1
| 41 |
|
|
|