Nguyen Nguyen Duy Dien
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| WYCC Boys U14 | 10/20/2008 | 1612 | Viet Nam |
| Phu Dong festival U11 Girls 6th | 08/??/2004 | 0 | Viet Nam |
| VIE-ch U09 | ??/??/2003 | 0 | Viet Nam |
Most Played Openings as White
| ECO | Opening | Games |
| A07 | Reti, King's Indian attack (Barcza system) | 2 games |
| A05 | Reti opening | 2 games |
| A51 | Budapest defence declined | 1 games |
| D94 | Gruenfeld, 5.e3 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C45 | Scotch game | 2 games |
| B73 | Sicilian, dragon, classical, 8.O-O | 2 games |
| C58 | two knights defence | 1 games |
| C79 | Ruy Lopez, Steinitz defence deferred (Russian defence) | 1 games |


Viet Nam