Adkison, Sean
Current rating: 1468
Record: 5-7
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 726 | Graef, Dylan T (1500) | Won 2-1 | +191483 |
| 2standard | 800 | Marple, George (1500) | Won 2-0 | +181501 |
| 3standard | 721 | Heisman, Delen (1536) | Lost 0-2 | -171484 |
| 4standard | 726 | McLaughlin, Charles (1434) | Won 2-0 | +171501 |
| 5standard | 756 | Stein, Alaric (1526) | Won 2-1 | +181519 |
| 6standard | 694 | Best, Glenn (1609) | Lost 1-2 | -161503 |
| 7standard | 710 | Gough, Marcus (1549) | Lost 0-2 | -171486 |
| 8standard | 751 | Clabaugh, Michael A (1519) | Lost 1-2 | -181468 |
| average opponent: 1522record: 4-4 | new rating: 1468 | |||
| Grand Prix Austin 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Hassan, Nagi (1500) | Lost 0-2 | -181482 |
| 2sealed | 129 | Blancett, Brian (1482) | Won 2-0 | +181500 |
| 3sealed | 123 | Anders, Andy (1500) | Lost 1-2 | -181482 |
| 4sealed | 134 | Hatchett, Timothy (1482) | Lost 0-2 | -181464 |
| average opponent: 1491record: 1-3 | new rating: 1464 | |||