Cook, Bradley
Current rating: 1463
Record: 1-3
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 189 | Case, Ryan (1500) | Won 2-1 | +181518 |
| 2block | 8 | Nielsen, Bill (1518) | Lost 0-2 | -181500 |
| 3block | 179 | Herzberg, Scott (1499) | Lost 0-2 | -181482 |
| 4block | 205 | Welch, Brad (1451) | Lost 0-2 | -191463 |
| average opponent: 1492record: 1-3 | new rating: 1463 | |||