R. Valdivia
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| EU-ch Union SCIPT | ??/??/1999 | 1350 |  Denmark |
| Kiekrz op | ??/??/1995 | 1293 |  Belgium |
| Ticino op | ??/??/1992 | 744 |  Switzerland |
| Zuerich op | ??/??/1992 | 1514 | Switzerland |
R. Valdivia Repertoire with White pieces (most played)
| ECO | Opening | Games |
| D03 | Torre attack (Tartakower variation) | 4 games |
| E51 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5 | 1 games |
| D30 | Queen's gambit declined | 1 games |
R. Valdivia Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| B08 | Pirc, classical (two knights) system | 3 games |
| A46 | Queen's pawn game | 2 games |
| B09 | Pirc, Austrian attack | 2 games |
| A36 | English, symmetrical variation | 1 games |
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