|
White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
|
1956
|
½-½
| 0 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
C18
|
1960
|
1-0
| 54 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
C18
|
1961
|
1-0
| 31 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
C93
|
1963
|
½-½
| 56 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
B43
|
1963
|
½-½
| 19 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
B48
|
1964
|
½-½
| 28 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
C08
|
1965
|
½-½
| 19 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
C49
|
1966
|
0-1
| 73 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
C87
|
1966
|
½-½
| 31 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
B48
|
1967
|
½-½
| 38 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
C95
|
1970
|
½-½
| 18 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
C98
|
1970
|
½-½
| 24 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
E19
|
1971
|
½-½
| 15 |
|
|
|
Ivkov, Borislav
|
|
Portisch, Lajos
|
|
C19
|
1973
|
½-½
| 16 |
|
|
|
|
|