Ha Duy Dien
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| VIE-ch U13 | 07/??/2005 | 0 | Viet Nam |
| VIE-ch U09 | ??/??/2001 | 0 | Viet Nam |
Most Played Openings as White
| ECO | Opening | Games |
| C02 | French, advance variation | 2 games |
| C55 | Two knights defence | 1 games |
| D31 | Queen's Gambit Declined, 3.Nc3 | 1 games |
| D00 | Queen's pawn game | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B01 | Scandinavian (centre counter) defence | 8 games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |


Viet Nam