R. Machala
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Stary Smokovec | ??/??/1967 | 0 |
Most Played Openings as White
| ECO | Opening | Games |
| B07 | Pirc defence | 1 games |
| C95 | Ruy Lopez, closed, Breyer, 10.d4 | 1 games |
| C78 | Ruy Lopez, 5.O-O | 1 games |
| B09 | Pirc, Austrian attack | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C15 | French, Winawer (Nimzovich) variation | 1 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
| A85 | Dutch with c4 & Nc3 | 1 games |
| C04 | French, Tarrasch, Guimard main line | 1 games |
