Tannehill, Jon D
Current rating: 1465
Record: 1-3
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 104 | Lewis, Jason S (1538) | Lost 0-2 | -171483 |
| 2extended | 189 | London, Michael (1482) | Won 2-1 | +181501 |
| 3extended | 135 | Martinez, Karena (1500) | Lost 1-2 | -181483 |
| 4extended | 211 | Watkins, Vincent Y (1480) | Lost 0-2 | -181465 |
| average opponent: 1500record: 1-3 | new rating: 1465 | |||