Brewington, Robert
Current rating: 1483
Record: 3-4-1
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 51 | Cannistraro, Michael (1487) | Lost 0-2 | -181482 |
| 2block | 158 | Gillham, Jacob (1482) | Won 2-0 | +181500 |
| 3block | 136 | Krug, Josh (1487) | Won 2-0 | +181518 |
| 4block | 88 | Carl, Chase (1517) | Won 2-1 | +181536 |
| 5block | 93 | Huffnagle, Nathan (1534) | Draw 1-1 | -11535 |
| 6block | 93 | Allison, Jerry (1590) | Lost 0-2 | -171518 |
| 7block | 118 | Rogers, Trent (1525) | Lost 0-2 | -171501 |
| 8block | 105 | Mayer, D.j. (1500) | Lost 0-2 | -181483 |
| average opponent: 1515record: 3-4-1 | new rating: 1483 | |||