Jackman, Brock
Current rating: 1500
Record: 2-2
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 124 | King, Chad (1500) | Won 2-0 | +181518 |
| 2block | 26 | Claytor, Joshua (1551) | Won 2-0 | +191537 |
| 3block | 11 | Mallams, Brian (1538) | Lost 1-2 | -181519 |
| 4block | 113 | Brichta, Jean-Paul (1475) | Lost 0-2 | -191500 |
| average opponent: 1516record: 2-2 | new rating: 1500 | |||