Gray, Tommy
Current rating: 1465
Record: 4-6
| Grand Prix Oakland 2010 (extended) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 174 | Tanaka, Hiroto (1500) | Won 2-1 | +181517 |
| 2extended | 44 | Thorson, Phil (1615) | Lost 0-2 | -161501 |
| 3extended | 257 | Vaughn, Michael (1500) | Lost 0-2 | -181483 |
| 4extended | 330 | Maurice, Lucien (1482) | Lost 1-2 | -181465 |
| average opponent: 1524record: 1-3 | new rating: 1465 | |||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | Saiki, Robert (1500) | Lost 0-2 | -181482 |
| 2standard | 447 | Conner, Ulysses v (1482) | Won 2-1 | +181500 |
| 3standard | 414 | Dailey, Bryson (1500) | Won 2-1 | +181518 |
| 4standard | 182 | Benitez, Hain (1517) | Won 2-0 | +181536 |
| 5standard | 191 | Chow, Jeff (1508) | Lost 0-2 | -191517 |
| 6standard | 292 | Salahub, Nelson (1518) | Lost 1-2 | -181499 |
| average opponent: 1504record: 3-3 | new rating: 1499 | |||