Charleston, Geoffrey
Current rating: 1499
Record: 2-2-1
| Grand Prix Dallas 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 154 | Rogers, Aaron (1500) | Draw 1-1 | 01500 |
| 2extended | 200 | Dedrick, John (1499) | Lost 1-2 | -181482 |
| 3extended | 285 | Groves, Russell (1483) | Won 0-0 | +181500 |
| 4extended | 243 | Dunning, Joseph (1430) | Won 2-0 | +171517 |
| 5extended | 168 | Sauro, Andy (1518) | Lost 0-2 | -181499 |
| average opponent: 1486record: 2-2-1 | new rating: 1499 | |||