Jeffrey Mortz
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Lansing op | 09/03/2004 | 1481 | United States |
| Kalamazoo op | 10/25/2003 | 1248 | United States |
| Kalamazoo op1 | 08/29/2003 | 1424 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| B08 | Pirc, classical (two knights) system | 1 games |
| B13 | Caro-Kann, exchange variation | 1 games |
| C72 | Ruy Lopez, modern Steinitz defence, 5.O-O | 1 games |
| C40 | King's knight opening | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A45 | Queen's pawn game | 2 games |
| A05 | Reti opening | 1 games |
| B32 | Sicilian defence | 1 games |
| A46 | Queen's pawn game | 1 games |


United States