Jamison, Kory
Current rating: 1435
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 681 | Peng, John (1500) | Lost 1-2 | -171433 |
| 2legacy | 790 | Scott, Elliot (1431) | Won 2-0 | +181451 |
| 3legacy | 501 | Woods, Jeff (1466) | Lost 0-2 | -171434 |
| 4legacy | 707 | Bowen, Jacob (1482) | Won 2-1 | +181452 |
| 5legacy | 693 | Entrup, Bill (1484) | Lost 0-2 | -171435 |
| top | average opponent: 1473record: 2-3 | new rating: 1435 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 309 | Rodriguez, Stephen (1473) | Lost 1-2 | -181449 |
| 2modern | 445 | Blake, Amber (1366) | Lost 0-2 | -191430 |
| 3modern | 659 | Jackson, Steven A (1472) | Won 2-0 | +181448 |
| 4modern | 570 | Black, Ray (1482) | Lost 1-2 | -171431 |
| 5modern | 574 | Koch, Chris (1464) | Won 2-0 | +191450 |
| 6modern | 497 | Toro, Andrew (1466) | Won 2-0 | +181468 |
| 7modern | 443 | Maier, Max (1503) | Lost 0-2 | -181450 |
| top | average opponent: 1461record: 3-4 | new rating: 1450 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 331 | Dobbin, Jack (1665) | Lost 0-2 | -151485 |
| 2sealed | 676 | Prestia, Alexander (1481) | Lost 0-2 | -181467 |
| top | average opponent: 1573record: 0-2 | new rating: 1467 | ||