Rosana Oste
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Clarin GP op 4th | 06/17/1995 | 1780 |  Argentina |
Rosana Oste Repertoire with White pieces (most played)
| ECO | Opening | Games |
| C55 | Two knights defence | 1 games |
| C02 | French, advance variation | 1 games |
| B50 | Sicilian | 1 games |
Rosana Oste Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| E93 | King's Indian, Petrosian system, main line | 1 games |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 1 games |
| C89 | Ruy Lopez, Marshall counter-attack | 1 games |
| A45 | Queen's pawn game | 1 games |
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