Harrison, David
Current rating: 1465
Record: 1-3
| Grand Prix London 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 123 | Lund, Kim Robin (1526) | Lost 1-2 | -181482 |
| 2block | 138 | Cooper, Oliver (1504) | Won 2-1 | +191501 |
| 3block | 217 | Knowles, Chris (1497) | Lost 1-2 | -181483 |
| 4block | 204 | Pauwels, Maxime (1479) | Lost 1-2 | -181465 |
| average opponent: 1502record: 1-3 | new rating: 1465 | |||