Williams, Brennen
Current rating: 1486
Record: 3-4
| Grand Prix Seattle 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 5 | Peters, Joseph (1500) | Won 2-0 | +181518 |
| 2extended | 13 | Maples, Zack (1518) | Lost 1-2 | -181500 |
| 3extended | 101 | Berg Jr., Kevin (1500) | Won 2-0 | +181518 |
| 4extended | 74 | Fung, Jeff (1716) | Lost 1-2 | -141504 |
| 5extended | 142 | Oronato, Steve (1502) | Won 2-0 | +181522 |
| 6extended | 92 | Saunders, Nathan (1542) | Lost 1-2 | -181504 |
| 7extended | 92 | Carter, Jay (1500) | Lost 0-2 | -181486 |
| average opponent: 1540record: 3-4 | new rating: 1486 | |||