Gamble, Allen
Current rating: 1499
Record: 6-6
| Grand Prix Richmond 2006 (GPT limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 160 | Rice, Kevin (1500) | Won 2-0 | +171555 |
| 2sealed | 84 | Gercken, Justin (1516) | Lost 0-2 | -181537 |
| 3sealed | 125 | Smrekar, Toby (1499) | Lost 0-2 | -191518 |
| 4sealed | 202 | Branan, Herbert (1458) | Lost 1-2 | -191499 |
| average opponent: 1493record: 1-3 | new rating: 1499 | |||
| Grand Prix Charlotte 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 41 | Smee, James (1500) | Lost 0-2 | -181482 |
| 2extended | 188 | Aintrazi, Amer (1483) | Won 2-1 | +181500 |
| 3extended | 80 | Meadors, Dan (1499) | Lost 0-2 | -181482 |
| 4extended | 199 | Sotter, Paul (1535) | Lost 1-2 | -171465 |
| 5extended | 173 | McKeithan, William (1464) | Won 2-0 | +181483 |
| 6extended | 134 | Gerleve, Ryan (1481) | Won 2-1 | +181501 |
| 7extended | 106 | Yancey, David (1567) | Won 2-1 | +191520 |
| 8extended | 73 | Turner, Max (1517) | Won 2-0 | +181538 |
| average opponent: 1506record: 5-3 | new rating: 1538 | |||