|
White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
D55
|
1960
|
½-½
| 23 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
E59
|
1962
|
1-0
| 89 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
D14
|
1964
|
½-½
| 15 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
A62
|
1965
|
½-½
| 20 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
C16
|
1965
|
1-0
| 30 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
D35
|
1965
|
½-½
| 19 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
E74
|
1966
|
½-½
| 43 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
E84
|
1967
|
½-½
| 35 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
E81
|
1968
|
0-1
| 40 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
A07
|
1969
|
1-0
| 21 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
A46
|
1969
|
0-1
| 63 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
D37
|
1970
|
½-½
| 56 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
A21
|
1970
|
½-½
| 18 |
|
|
|
Portisch, Lajos
|
|
Ivkov, Borislav
|
|
D54
|
1972
|
1-0
| 42 |
|
|
|
|
|