Harvey Duckers
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 4NCL 2008-9 | 01/17/2009 | 2231 |  United Kingdom |
| BCF-chT3 0607 (4NCL) | 09/16/2006 | 2072 | United Kingdom |
| Cappelle op 20th | 02/28/2004 | 2263 |  France |
Most Played Openings as White
| ECO | Opening | Games |
| E70 | King's Indian, 4.e4 | 1 games |
| A10 | English opening | 1 games |
| E80 | King's Indian, Saemisch variation | 1 games |
| A36 | English, symmetrical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C12 | French, MacCutcheon variation | 1 games |
| C11 | French defence | 1 games |
| A42 | Modern defence, Averbakh system | 1 games |
| B06 | Robatsch (modern) defence | 1 games |
