Welch, Brad
Current rating: 1452
Record: 3-6
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 152 | Paquette, Aeo (1500) | Lost 1-2 | -171447 |
| 2block | 185 | Larson, Matt (1631) | Lost 0-2 | -151432 |
| 3block | 231 | Lowery, Anthony (1464) | Won 2-1 | +191451 |
| 4block | 205 | Cook, Bradley (1482) | Won 2-0 | +181469 |
| 5block | 145 | Dudkowski, Michael (1500) | Lost 0-2 | -171452 |
| average opponent: 1515record: 2-3 | new rating: 1452 | |||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Stewart, Michael T (1500) | Lost 0-1 | -181482 |
| 2sealed | 242 | Trenh, David (1482) | Lost 1-2 | -181464 |
| 3sealed | 262 | Lee, Travis (1464) | Won 2-0 | +181482 |
| 4sealed | 241 | Slowikowski, Paul (1482) | Lost 0-2 | -181464 |
| average opponent: 1482record: 1-3 | new rating: 1464 | |||