Dedden, Dirk
Current rating: 1482
Record: 3-4-1
| Grand Prix Hamburg 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 1 | Schmidt, Thomas (1483) | Lost 0-2 | -181482 |
| 2block | 231 | Magera, Markus (1480) | Draw 1-1 | 01482 |
| 3block | 192 | Azabal, Natan (1491) | Lost 1-2 | -181464 |
| 4block | 238 | Neumann, Axel (1463) | Won 2-0 | +181482 |
| 5block | 206 | Kruger, Matthias (1500) | Lost 0-2 | -181464 |
| 6block | 195 | Gollnow, Tom-Oliver (1462) | Won 2-1 | +181482 |
| 7block | 161 | Erdmann, Patrick (1478) | Lost 0-2 | -181464 |
| 8block | 149 | Liescheid, Mathias (1464) | Won 2-0 | +181482 |
| average opponent: 1478record: 3-4-1 | new rating: 1482 | |||