J. De Voll
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Detroit Wayne County op | ??/??/1994 | 171 | United States |
| Troy MI Classic-DE/Unr | ??/??/1993 | 0 | United States |
| Lansing-ch MI op-B | ??/??/1993 | 0 | United States |
| Detroit ch-MI | ??/??/1992 | 110 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| A46 | Queen's pawn game | 2 games |
| D05 | Queen's pawn game | 1 games |
| D78 | Neo-Gruenfeld, 6.O-O c6 | 1 games |
| E68 | King's Indian, fianchetto, classical variation, 8.e4 | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C42 | Petrov's defence | 4 games |
| C43 | Petrov, modern (Steinitz) attack | 1 games |
| B07 | Pirc defence | 1 games |
| E61 | King's Indian defence, 3.Nc3 | 1 games |


United States