Jorge Arraya
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Panamerican-chT | 10/??/1971 | 889 | Argentina |
| Pan American | ??/??/1966 | 0 | Cuba |
| BOL-ch | ??/??/1962 | 0 | Bolivia |
| BOL-ch | ??/??/1956 | 0 | Bolivia |
Most Played Openings as White
| ECO | Opening | Games |
| D87 | Gruenfeld, exchange, Spassky variation | 1 games |
| E91 | King's Indian, 6.Be2 | 1 games |
| A00 | Polish (Sokolsky) opening | 1 games |
| A90 | Dutch defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A60 | Benoni defence | 1 games |
| A55 | Old Indian, main line | 1 games |
| E88 | King's Indian, Saemisch, orthodox, 7.d5 c6 | 1 games |
| B25 | Sicilian, closed | 1 games |


Argentina
Cuba
Bolivia