Brummer, Chris
Current rating: 1482
Record: 3-4
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 521 | Miller, Jessica L (1482) | Won 2-1 | +181518 |
| 2extended | 462 | Ruggles, Jarred (1518) | Lost 1-2 | -181500 |
| 3extended | 535 | Xiao, Daniel (1484) | Lost 1-2 | -191481 |
| 4extended | 634 | Green, Terry (1497) | Won 2-1 | +191500 |
| 5extended | 609 | Gibala, Ben J (1510) | Lost 1-2 | -181482 |
| 6extended | 592 | Bianchi, Anthony (1481) | Won 2-1 | +181500 |
| 7extended | 550 | Bodell, Griffin (1486) | Lost 1-2 | -181482 |
| average opponent: 1494record: 3-4 | new rating: 1482 | |||