Prachar, Jeff
Current rating: 1465
Record: 2-4-2
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 431 | Bernshausen, Jan-phili (1500) | Draw 1-1 | 01500 |
| 2extended | 521 | Nygaard Kaspersen, Allan (1481) | Lost 1-2 | -181482 |
| 3extended | 578 | Schwarz, Stephan (1523) | Lost 0-2 | -181464 |
| 4extended | 614 | Dietterich, Kevin (1463) | Won 1-0 | +181482 |
| 5extended | 580 | Fischer, Michael (1572) | Draw 1-1 | +21484 |
| 6extended | 575 | Harborne, Daniel (1476) | Lost 0-1 | -181466 |
| 7extended | 560 | Wernke, Steffen (1466) | Won 2-1 | +181484 |
| 8extended | 526 | Lahmer, Andreas (1463) | Lost 0-2 | -191465 |
| average opponent: 1493record: 2-4-2 | new rating: 1465 | |||