Jakob Ziperstein
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Dortmund op-B | 06/22/2007 | 1491 | Germany |
| Dortmund op1 | 03/06/2006 | 1550 | Germany |
| Dortmund op-B | 07/08/2005 | 1446 | Germany |
| Ruhrgebiet VL2 0405 | 09/12/2004 | 1903 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| C01 | French, exchange variation | 7 games |
| B33 | Sicilian defence | 2 games |
| B40 | Sicilian defence | 2 games |
| B95 | Sicilian, Najdorf, 6...e6 | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B07 | Pirc defence | 15 games |
| B08 | Pirc, classical (two knights) system | 4 games |
| B09 | Pirc, Austrian attack | 3 games |
| B06 | Robatsch (modern) defence | 3 games |


Germany