San Sebastian op
San Sebastian 1990
| Date | Players | Type | Elo Average | Games | Rounds |
| 1990 | 10 | Swiss | 1682 | 6 | 9 |
| Name | ELO | Points | ||
 |
IM Bass, Leonid | 2485 | 1.0 | |
 |
IM Sonntag, Hans Hubert | 2370 | 1.0 | |
|
FM Iruzubieta Villaluenga, Jesus M | 2255 | 1.0 | |
|
FM Cruz Lopez Claret, Carlos | 1.0 | ||
 |
GM Izeta Txabarri, Felix | 1.0 | ||
|
Pastor Pons, Carlos | 1.0 | ||
|
GM Todorcevic, Miodrag | 2550 | 0.0 | |
 |
GM Franco Ocampos, Zenon | 2475 | 0.0 | |
| Schulz, Klaus Juergen | 2375 | 0.0 | ||
|
IM Estremera Panos, Sergio | 2305 | 0.0 | |
San Sebastian op Games
| White | Black | Result | Round | Date | Opening | View |
| Cruz Lopez Claret, C | Todorcevic, M | 1-0  |
? | 1990 | E94 King's Indian, orthodox variation |   |
| Estremera Panos, S | Bass, L | 0-1 |
? | 1990 | E97 King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation) |   |
| Iruzubieta Villaluenga, J | Franco Ocampos, Z | 1-0 |
? | 1990 | A70 Benoni, classical with e4 and Nf3 | |
| Izeta Txabarri, F | Schulz, K | 1-0 |
? | 1990 | D20 Queen's gambit accepted | |
| Pastor Pons, C | Todorcevic, M | 1-0 |
? | 1990 | B08 Pirc, classical (two knights) system | |
| Sonntag, H | Bass, L | 1-0 |
? | 1990 | A48 King's Indian, East Indian defence | |