Marco A Ballester Oyarzun
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Pamplona op | 12/21/2002 | 1156 |  Spain |
| Pamplona op | 12/05/2001 | 1953 | Spain |
| Intercajas tt | ??/??/1996 | 104 | Spain |
| Valencia op 1st | ??/??/1995 | 22 | Spain |
Marco A Ballester Oyarzun Repertoire with White pieces (most played)
| ECO | Opening | Games |
| A57 | Benko gambit | 1 games |
| B07 | Pirc defence | 1 games |
| E24 | Nimzo-Indian, Saemisch variation | 1 games |
Marco A Ballester Oyarzun Repertoire with Black pieces (most played)
| ECO | Opening | Games |
| C90 | Ruy Lopez, closed (with ...d6) | 1 games |
| A34 | English, symmetrical variation | 1 games |
| C50 | King's pawn game | 1 games |
| C02 | French, advance variation | 1 games |
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