Purr, Cory
Current rating: 1439
Record: 4-8
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 205 | Adair, Brett (1558) | Lost 1-2 | -161455 |
| 2sealed | 362 | Neves, Jacob (1481) | Lost 0-2 | -181437 |
| 3sealed | 523 | Diaz, Marcus (1472) | Won 2-0 | +191456 |
| 4sealed | 436 | Trautman, Tyler (1526) | Lost 0-2 | -171439 |
| average opponent: 1509record: 1-3 | new rating: 1439 | |||
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 81 | Hienz, Chad (1544) | Lost 0-2 | -171483 |
| 2standard | 228 | Schrecengost, Mark (1504) | Won 2-1 | +181501 |
| 3standard | 287 | Lanigan, Mike (1650) | Won 2-0 | +211522 |
| 4standard | 173 | Cullison, Mark (1631) | Won 2-1 | +201542 |
| 5standard | 223 | Petre, Evan (1885) | Lost 1-2 | -121530 |
| 6standard | 156 | Baker, Ian (1453) | Lost 1-2 | -201510 |
| 7standard | 221 | Boblitt, Zach (1479) | Lost 1-2 | -181492 |
| 8standard | 238 | Reuschel, Carl (1349) | Lost 1-2 | -211471 |
| average opponent: 1562record: 3-5 | new rating: 1471 | |||