Guillory, Jason
Current rating: 1488
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 373 | Hsu, Aaron (1394) | Won 2-0 | +171469 |
| 2sealed | 265 | Hurley, Taylor (1518) | Lost 1-2 | -171452 |
| 3sealed | 428 | Guggemos, Logan (1498) | Won 2-0 | +181470 |
| 4sealed | 193 | Cruz, Joseph (1468) | Won 2-1 | +181488 |
| top | average opponent: 1470record: 3-1 | new rating: 1488 | ||
| Grand Prix Kansas City 2011 (NPH limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 227 | Rogachevsky, Victor (1562) | Lost 0-2 | -161465 |
| 2sealed | 324 | Young, Charles (1482) | Won 2-1 | +181483 |
| 3sealed | 300 | Richter, Alex (1447) | Won 2-0 | +171500 |
| 4sealed | 209 | Drahos, Jacob (1518) | Lost 1-2 | -171483 |
| 5sealed | 322 | Ballew, Trey (1594) | Lost 1-2 | -161467 |
| 7sealed | 210 | Doyle, Michael (1574) | Won 2-1 | +201487 |
| 8sealed | 167 | Inda, Joshua (1491) | Lost 1-2 | -181469 |
| 9sealed | 156 | Hagens, Gavin (1520) | Lost 0-2 | -171452 |
| top | average opponent: 1523record: 3-5 | new rating: 1452 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 365 | MacGowan, Scott (1500) | Won 2-0 | +181518 |
| 2sealed | 84 | Jones, Jake L (1518) | Lost 0-2 | -181500 |
| 3sealed | 342 | Del Sol, Ivan S (1502) | Lost 1-2 | -181482 |
| 4sealed | 515 | Miller, Christopher (1474) | Won 2-0 | +181500 |
| 5sealed | 431 | Vannelli, Daniel (1466) | Lost 0-2 | -191481 |
| top | average opponent: 1492record: 2-3 | new rating: 1481 | ||