Mazur, Justin
Current rating: 1563
Record: 6-3
| Grand Prix Houston 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 165 | Yaeger, Ethan (1500) | Won 2-1 | +181518 |
| 2extended | 149 | Ferry, Sergio (1596) | Won 2-1 | +191537 |
| 3extended | 2 | Brumby, Gene (1608) | Won 2-0 | +201557 |
| 4extended | 46 | Ta, Tu (1537) | Lost 0-2 | -191538 |
| 5extended | 71 | Eccles, James (1572) | Won 2-0 | +191557 |
| 6extended | 65 | Blankenship, George (1633) | Lost 1-2 | -171540 |
| 7extended | 108 | Barnes, Michael (1464) | Won 2-1 | +171557 |
| 8extended | 72 | Rietzl, Paul (1928) | Won 2-1 | +241581 |
| 9extended | 30 | Suarez, Andres (1580) | Lost 0-2 | -181563 |
| average opponent: 1602record: 6-3 | new rating: 1563 | |||