Juan Sierra Garcia
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Pan American-ch U18 | 07/24/2004 | 960 | Colombia |
| Pan American-ch U18 | 06/07/2003 | 789 | Colombia |
Most Played Openings as White
| ECO | Opening | Games |
| B13 | Caro-Kann, exchange variation | 2 games |
| B33 | Sicilian defence | 1 games |
| B08 | Pirc, classical (two knights) system | 1 games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B23 | Sicilian, closed | 1 games |
| B92 | Sicilian, Najdorf, Opovcensky variation | 1 games |
| A39 | English, symmetrical, main line with d4 | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |


Colombia