Oscar Ferreira
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| III Copa Roggio B | 05/20/2010 | 2301 | Paraguay |
| Olavarria Magistral op 5th | 02/24/2005 | 2095 | Argentina |
| Calvia ol (Men) | 10/15/2004 | 2143 | Spain |
| Asuncion Mayor op | 07/??/2001 | 1352 | Paraguay |
Most Played Openings as White
| ECO | Opening | Games |
| E90 | King's Indian, 5.Nf3 | 4 games |
| E81 | King's Indian, Saemisch, 5...O-O | 2 games |
| E74 | King's Indian, Averbakh, 6...c5 | 2 games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A55 | Old Indian, main line | 2 games |
| B43 | Sicilian, Kan, 5.Nc3 | 2 games |
| A56 | Benoni defence | 2 games |
| E76 | King's Indian, Four pawns attack | 2 games |
Paraguay
Male
FIDE ID:

Argentina
Spain