Simpson, Sam
Current rating: 1484
Record: 3-4
| Grand Prix Oakland 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 190 | Wright, Christopher R (1464) | Lost 0-2 | -191481 |
| 2extended | 240 | Rideout, Vincent (1473) | Lost 0-2 | -181463 |
| 3extended | 291 | Colwell, Jack (1508) | Won 2-0 | +191482 |
| 4extended | 312 | Fernald, James A (1545) | Lost 0-2 | -171465 |
| 5extended | 307 | Myer, Jason D (1464) | Won 2-0 | +181483 |
| 6extended | 235 | Doran, Brian (1501) | Lost 0-2 | -181465 |
| 7extended | 226 | busgano, alfredo j (1471) | Won 2-1 | +191484 |
| average opponent: 1489record: 3-4 | new rating: 1484 | |||