Trommelen, Jorn
Current rating: 1498
Record: 4-4
| Grand Prix London 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 90 | Brunet, Frederic (1451) | Lost 0-2 | -191481 |
| 2block | 200 | Martin, Emily (1482) | Won 2-1 | +181499 |
| 3block | 142 | Barbara, Mark (1500) | Lost 0-2 | -181481 |
| 4block | 185 | Lyford-Smith, David (1428) | Lost 0-2 | -191462 |
| 5block | 206 | Catterall, Brant (1463) | Won 2-0 | +181480 |
| 6block | 184 | Ruth, Melvin (1482) | Won 2-0 | +181498 |
| 7block | 116 | Hilty, Frederic (1501) | Lost 1-2 | -181480 |
| 8block | 130 | von Natzmer, Peter (1484) | Won 2-0 | +181498 |
| average opponent: 1474record: 4-4 | new rating: 1498 | |||