Adan Rios
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| CHI-ch | 02/12/2002 | 1906 | Chile |
| Linares NL op 7th | 06/24/2000 | 1477 | Mexico |
| Santiago op | ??/??/1999 | 1162 | Chile |
Most Played Openings as White
| ECO | Opening | Games |
| B50 | Sicilian | 2 games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 1 games |
| B86 | Sicilian, Sozin attack | 1 games |
| C68 | Ruy Lopez, exchange variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B31 | Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | 2 games |
| B57 | Sicilian, Sozin, not Scheveningen | 2 games |
| E12 | Queen's Indian defence | 1 games |
| B26 | Sicilian, closed, 6.Be3 | 1 games |


Chile
Mexico