Guillermo Arena
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Internet Section 06A g/8'+2 | 03/06/2004 | 1917 | Spain |
| Mar del Plata op | 03/23/2002 | 1862 | Argentina |
| Buenos Aires op | ??/??/1997 | 2029 | Argentina |
| Buenos Aires OATD op | 05/21/1994 | 893 | Argentina |
Most Played Openings as White
| ECO | Opening | Games |
| B79 | Sicilian, dragon, Yugoslav attack, 12.h4 | 2 games |
| C17 | French, Winawer, advance variation | 1 games |
| C56 | Two knights defence | 1 games |
| C54 | Giuoco Piano | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C18 | French, Winawer, advance variation | 3 games |
| C00 | French defence | 1 games |
| C05 | French, Tarrasch, closed variation | 1 games |
| A10 | English opening | 1 games |
Argentina
Male
FIDE ID:

Spain