Obregoso
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| ARG-ch | ??/??/1961 | 0 | Argentina |
Most Played Openings as White
| ECO | Opening | Games |
| A60 | Benoni defence | 1 games |
| A57 | Benko gambit | 1 games |
| A29 | English, four knights, kingside fianchetto | 1 games |
| A53 | Old Indian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D96 | Gruenfeld, Russian variation | 1 games |
| E56 | Nimzo-Indian, 4.e3, main line with 7...Nc6 | 1 games |
| E01 | Catalan, closed | 1 games |
| D38 | Queen's Gambit Declined, Ragozin variation | 1 games |


Argentina