Petronio Roca
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 1st Campomanes Memorial Cup Open | 08/28/2010 | 2389 | Philippines |
| Bled ol (Men) | 10/26/2002 | 1978 | Slovenia |
| PHI-ch | 04/27/2002 | 2098 | Philippines |
| Vung Tau zt 3.2a | 05/21/2000 | 1862 | Viet Nam |
Most Played Openings as White
| ECO | Opening | Games |
| C02 | French, advance variation | 5 games |
| E12 | Queen's Indian defence | 3 games |
| B95 | Sicilian, Najdorf, 6...e6 | 2 games |
| B06 | Robatsch (modern) defence | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E94 | King's Indian, orthodox variation | 3 games |
| A30 | English, symmetrical variation | 2 games |
| B43 | Sicilian, Kan, 5.Nc3 | 2 games |
| C02 | French, advance variation | 2 games |
Philippines
Male
FIDE ID:

Slovenia
Viet Nam