R. Ortega
| White | Black | |
|---|---|---|
| Mark E Taimanov | R. Ortega | View |
| R. Ortega | L. Evans | View |
| R. Ortega | Eldis Cobo Arteaga | View |
| R. Ortega | Ivan Calero | View |
| Karl Robatsch | R. Ortega | View |
| R. Ortega | Efim P Geller | View |
| R. Ortega | Mikhail Tal | View |
| F. Perez Perez | R. Ortega | View |
| R. Ortega | Eleazar Jimenez Zerquera | View |
| Gedeon Barcza | R. Ortega | View |
| Petar Trifunovic | R. Ortega | View |
| Klaus Darga | R. Ortega | View |
| Wolfgang Uhlmann | R. Ortega | View |
| Ludek Pachman | R. Ortega | View |
| R. Ortega | Jose Broderman | View |
| R. Ortega | G. Garcia | View |
| R. Ortega | Alberic O'Kelly de Galway | View |
| R. Ortega | Boris De Greif | View |
| Milko G Bobotsov | R. Ortega | View |
| R. Ortega | Borislav Ivkov | View |