J. De la Riva
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| BDC op | ??/??/1988 | 178 | Uruguay |
| URU-ch sf | ??/??/1985 | 72 | Uruguay |
Most Played Openings as White
| ECO | Opening | Games |
| A76 | Benoni, classical, 9...Re8 | 2 games |
| D38 | Queen's Gambit Declined, Ragozin variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D61 | Queen's Gambit Declined, Orthodox defence, Rubinstein variation | 1 games |
| B15 | Caro-Kann defence | 1 games |


Uruguay