Helena Yamasaki
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Pan American-ch | ??/??/1996 | 191 | Argentina |
| Wch U12 Girls | ??/??/1994 | 40 | Hungary |
Most Played Openings as White
| ECO | Opening | Games |
| C41 | Philidor's defence | 1 games |
| E87 | King's Indian, Saemisch, orthodox, 7.d5 | 1 games |
| C61 | Ruy Lopez, Bird's defence | 1 games |
| C02 | French, advance variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D60 | Queen's Gambit Declined, Orthodox defence | 1 games |
| B84 | Sicilian, Scheveningen (Paulsen), classical variation | 1 games |
| B70 | Sicilian, dragon variation | 1 games |
| D00 | Queen's pawn game | 1 games |


Argentina
Hungary