O. Estupinan
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dubai ol (Women) | 11/??/1986 | 969 |  United Arab Emirates |
O. Estupinan Opening Repertoire with White pieces
| ECO | Opening | Games |
| B30 | Sicilian defence | 1 games |
| B40 | Sicilian defence | 1 games |
| C47 | Four knights, Scotch variation | 1 games |
| D00 | Queen's pawn game | 1 games |
O. Estupinan Opening Repertoire with Black pieces
| ECO | Opening | Games |
| C60 | Ruy Lopez (Spanish opening) | 2 games |
| A10 | English opening | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| E46 | Nimzo-Indian, 4.e3 O-O | 1 games |
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