Joao Costa
| White | Black | |
|---|---|---|
| Joao Costa | A. Brkic | View |
| Laszlo Gonda | Joao Costa | View |
| Monica Vilar Lopez | Joao Costa | View |
| Joao Costa | D. Fernando | View |
| Joao Costa | Ka Larsen | View |
| Hans-Joachim Wiese | Joao Costa | View |
| Joao Costa | Leo A Keely | View |
| F. Fargere | Joao Costa | View |
| Joao Costa | Roi Reinaldo Castineira | View |
| Paulo Felizes | Joao Costa | View |
| V. Ikonnikov | Joao Costa | View |
| Joao Costa | Claudio Guimaraes | View |
| Joao Costa | J. Leonardo | View |
| Jose Padeiro | Joao Costa | View |
| Antonio Frois | Joao Costa | View |
| Joao Costa | J. Azevedo | View |
| Joao Costa | Carlos Dantas | View |
| Arnaud Hauchard | Joao Costa | View |
| Ga Papp | Joao Costa | View |
| Joao Costa | Plamen Mladenov | View |