| White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
|
Calero, Ivan
|
|
Geller, Efim P
|
|
E85
|
1963
|
0-1
| 26 |
|
|
|
|
Calero, Ivan
|
|
O'Kelly de Galway, Alb...
|
|
D40
|
1963
|
0-1
| 28 |
|
|
|
|
Calero, Ivan
|
|
Darga, Klaus
|
|
A60
|
1963
|
0-1
| 32 |
|
|
|
|
Calero, Ivan
|
|
Kortschnoj, Viktor Lvo...
|
|
E83
|
1963
|
0-1
| 32 |
|
|
|
|
Calero, Ivan
|
|
Ivkov, Borislav
|
|
E26
|
1963
|
0-1
| 42 |
|
|
|
|
Calero, Ivan
|
|
Cobo Arteaga, Eldis
|
|
B40
|
1966
|
0-1
| 54 |
|
|
|
|
Calero, Ivan
|
|
Cuellar Gacharna, Migu...
|
|
C91
|
1966
|
0-1
| 48 |
|
|
|
|
Calero, Ivan
|
|
Fuster, Geza
|
|
B95
|
1966
|
0-1
| 48 |
|
|
|
|
Calero, Ivan
|
|
Jimenez Zerquera, Elea...
|
|
A34
|
1966
|
0-1
| 69 |
|
|
|
|
Calero, Ivan
|
|
Badamgarav, G
|
|
B06
|
1966
|
0-1
| 41 |
|
|
|
|
Calero, Ivan
|
|
Pietzsch, Wolfgang
|
|
B23
|
1967
|
0-1
| 29 |
|
|
|
|
Calero, Ivan
|
|
Liberzon, Vladimir Mik...
|
|
E70
|
1967
|
0-1
| 51 |
|
|
|
|
Calero, Ivan
|
|
Schoeneberg, Manfred
|
|
E29
|
1967
|
0-1
| 59 |
|
|
|
|
Calero, Ivan
|
|
Uhlmann, Wolfgang
|
|
A37
|
1967
|
0-1
| 45 |
|
|
|