Hagedorn, Johannes
Current rating: 1453
Record: 5-8
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 755 | Hinrichs, Christoph (1523) | Lost 0-2 | -161433 |
| 2standard | 842 | Peschel, Jakob (1482) | Won 2-1 | +191452 |
| 3standard | 684 | Tornero, Christophe (1464) | Won 2-1 | +181470 |
| 4standard | 629 | Kippes, Johann (1518) | Won 2-1 | +191489 |
| 5standard | 670 | Kopietz, Matthias (1484) | Lost 0-2 | -181471 |
| 6standard | 685 | Michelsen, Mark (1501) | Lost 0-2 | -181453 |
| average opponent: 1495record: 3-3 | new rating: 1453 | |||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Van Dorp, Till (1500) | Won 2-1 | +181518 |
| 2sealed | 35 | Avsec, Anze (1652) | Lost 0-2 | -161502 |
| 3sealed | 121 | Sabouret, Arnaud (1536) | Won 2-1 | +191521 |
| 4sealed | 87 | Duarte, Marco (1613) | Lost 0-2 | -161505 |
| 5sealed | 167 | Horstmeyer, Dennis (1513) | Lost 0-2 | -181487 |
| 6sealed | 162 | Oestreich-balac, Ljubinko (1467) | Lost 1-2 | -181469 |
| 7sealed | 144 | Schouppe, Ewald (1403) | Lost 0-2 | -201449 |
| average opponent: 1526record: 2-5 | new rating: 1449 | |||