Doring, Jorn
Current rating: 1444
Record: 2-5-2
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 450 | Gohlke, Jens Holger (1444) | Lost 0-2 | -191481 |
| 2extended | 533 | Frank, Sascha (1417) | Lost 0-2 | -191462 |
| 3extended | 597 | Schneider, Siegfried (1463) | Won 2-0 | +181480 |
| 4extended | 560 | Rehfeldt, Stefan (1482) | Draw 1-1 | 01480 |
| 5extended | 578 | Landwehr, Simon (1483) | Won 2-0 | +181498 |
| 6extended | 539 | Wuttke, Moritz (1511) | Lost 0-2 | -181480 |
| 7extended | 544 | Schmidt, Thomas (1466) | Draw 1-1 | 01480 |
| 8extended | 525 | Harborne, Daniel (1477) | Lost 0-2 | -181462 |
| 9extended | 520 | Collin, Sven (1465) | Lost 0-2 | -181444 |
| average opponent: 1468record: 2-5-2 | new rating: 1444 | |||