David Jacobs
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| USA-chT Amateur East | 02/17/2007 | 665 | United States |
| Tampa op | 04/11/2003 | 631 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B25 | Sicilian, closed | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E54 | Nimzo-Indian, 4.e3, Gligoric system with 7...dc | 1 games |
| D05 | Queen's pawn game | 1 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |


United States