Mauro Guimaraes de Souza
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Mar del Plata op | 04/??/1994 | 1325 | Argentina |
| BRA-ch60 | ??/??/1994 | 1766 | Brazil |
| BRA-ch | ??/??/1989 | 1756 | Brazil |
Most Played Openings as White
| ECO | Opening | Games |
| C90 | Ruy Lopez, closed (with ...d6) | 1 games |
| B07 | Pirc defence | 1 games |
| C62 | Ruy Lopez, old Steinitz defence | 1 games |
| B42 | Sicilian, Kan, 5.Bd3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E52 | Nimzo-Indian, 4.e3, main line with ...b6 | 1 games |
| E14 | Queen's Indian, 4.e3 | 1 games |
| E32 | Nimzo-Indian, classical variation | 1 games |
| E12 | Queen's Indian defence | 1 games |


Argentina
Brazil