Simpson, Keith
Current rating: 1501
Record: 3-3
| Grand Prix Oakland 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 79 | Stein, Steven (1500) | Won 2-1 | +181518 |
| 2extended | 15 | Sanson, Albert (1489) | Lost 1-2 | -191499 |
| 3extended | 246 | Gordon, Elliot J (1500) | Won 2-1 | +181517 |
| 4extended | 191 | Mixon, Eric (1581) | Won 2-1 | +201537 |
| 5extended | 165 | Burden, John (1503) | Lost 1-2 | -191518 |
| 6extended | 207 | Liam, Zachary (1549) | Lost 1-2 | -171501 |
| average opponent: 1520record: 3-3 | new rating: 1501 | |||