Schumann, Donald
Current rating: 1464
Record: 2-4
| Grand Prix Hamburg 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 34 | Klein, Florian (1500) | Won 2-0 | +181518 |
| 2block | 66 | Berndt, Sebastian (1518) | Lost 0-2 | -181500 |
| 3block | 183 | Wurtz, Andreas (1500) | Won 2-1 | +181518 |
| 4block | 129 | Nemet, Oliver (1521) | Lost 0-2 | -181500 |
| 5block | 152 | Tietgen, Klaus (1502) | Lost 1-2 | -181482 |
| 6block | 174 | Noth, Gunnar (1480) | Lost 0-2 | -181464 |
| average opponent: 1504record: 2-4 | new rating: 1464 | |||