George, Mark A
Current rating: 1408
Record: 3-8
| Grand Prix Oakland 2010 (extended) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 113 | Capalongan, Ronald (1526) | Lost 0-2 | -171462 |
| 2extended | 286 | Gohlke, Ben (1463) | Lost 1-2 | -181444 |
| 3extended | 294 | Cheung, Kevin (1463) | Lost 1-2 | -181426 |
| 4extended | 355 | Miller, Ryan (1429) | Lost 0-2 | -181408 |
| average opponent: 1470record: 0-4 | new rating: 1408 | |||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 30 | Gray, Zachary (1500) | Lost 0-2 | -181482 |
| 2extended | 316 | Ahmed, Konan (1446) | Lost 0-2 | -191463 |
| 3extended | 351 | Hodge, Adrian (1410) | Won 2-0 | +171480 |
| 4extended | 324 | Nicosia, Alvaro (1423) | Lost 0-2 | -191461 |
| 5extended | 326 | Reyes, Carl (1464) | Won 2-1 | +181479 |
| 6extended | 259 | Reicherter, Anthony (1482) | Won 2-1 | +181497 |
| 7extended | 189 | Sweitzer, Adam (1468) | Lost 0-2 | -181479 |
| average opponent: 1456record: 3-4 | new rating: 1479 | |||