Roberto Watanabe
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Caetano Jogos Region op | ??/??/1997 | 1094 | Brazil |
| BRA-chT | ??/??/1995 | 2156 | Brazil |
| Wch U20 | 10/??/1992 | 2039 | Argentina |
| BRA-ch m | ??/??/1991 | 1900 | Brazil |
Most Played Openings as White
| ECO | Opening | Games |
| C68 | Ruy Lopez, exchange variation | 3 games |
| B09 | Pirc, Austrian attack | 3 games |
| C06 | French, Tarrasch, closed variation, main line | 2 games |
| B11 | Caro-Kann, two knights, 3...Bg4 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E92 | King's Indian, classical variation | 3 games |
| E84 | King's Indian, Saemisch, Panno main line | 2 games |
| C05 | French, Tarrasch, closed variation | 2 games |
| E99 | King's Indian, orthodox, Aronin-Taimanov, main line | 2 games |


Brazil
Argentina