Turk, Joby
Current rating: 1515
Record: 5-4
| Grand Prix Dallas 2007 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 117 | Rangel, Joshua (1500) | Won 2-0 | +181518 |
| 2extended | 44 | Lee, Alex (1518) | Lost 1-2 | -181500 |
| 3extended | 207 | Goddard, Maxwell (1440) | Won 0-0 | +171517 |
| 4extended | 166 | Feltman, Jason S (1499) | Won 2-1 | +181535 |
| 5extended | 103 | Golenda, Steve (1504) | Won 2-1 | +171552 |
| 6extended | 48 | Tomek, Mark C (1551) | Lost 1-2 | -181534 |
| 7extended | 96 | McCurley, Johnny (1484) | Won 2-0 | +171551 |
| 8extended | 49 | Arredondo, Vincent D (1554) | Lost 1-2 | -181533 |
| 9extended | 82 | Hawkins, John (1537) | Lost 0-2 | -181515 |
| average opponent: 1510record: 5-4 | new rating: 1515 | |||