Cook, Jerry
Current rating: 1493
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 153 | Hong, Daniel (1500) | Lost 1-2 | -181494 |
| 2standard | 218 | Breckenridge, Timothy (1481) | Lost 0-2 | -191475 |
| 3standard | 289 | Endicott, Ryan (1464) | Won 2-0 | +181493 |
| 4standard | 265 | Fitzsimmons, Seth (1477) | Lost 0-2 | -181475 |
| 5standard | 255 | Kaaoush, Kevin (1503) | Won 2-0 | +181493 |
| 6standard | 210 | Johnson, Jackie (1477) | Won 2-0 | +181511 |
| 7standard | 157 | Atkinson, Evan (1509) | Lost 1-2 | -181493 |
| top | average opponent: 1487record: 3-4 | new rating: 1493 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 168 | Clark, Michael N (1399) | Won 2-0 | +161533 |
| 2standard | 290 | Drescher, Will (1496) | Won 2-0 | +171550 |
| 3standard | 242 | Flores, Charles (1347) | Lost 0-2 | -211529 |
| 4standard | 109 | Miller, Kyle (1688) | Lost 0-2 | -161513 |
| 5standard | 522 | Jeffs, Don (1499) | Won 2-1 | +181531 |
| 6standard | 324 | Murrant, Kevin (1517) | Won 2-0 | +181549 |
| 7standard | 137 | Oxford, Stephen (1524) | Lost 1-2 | -191530 |
| 8standard | 225 | DeShazo, Alex (1500) | Lost 0-2 | -181512 |
| top | average opponent: 1496record: 4-4 | new rating: 1512 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 506 | Rasmussen, Ben (1497) | Won 2-1 | +181518 |
| 2sealed | 456 | Hawkins, Joshua D (1518) | Lost 0-2 | -181500 |
| 3sealed | 514 | Buckley, Jason (1534) | Draw 1-1 | +11501 |
| 4sealed | 530 | Hitch, Josh (1450) | Won 2-0 | +171518 |
| 5sealed | 494 | Crow, Ian (1517) | Lost 0-2 | -181500 |
| 6sealed | 519 | Balaz, Jesse (1482) | Lost 0-2 | -191481 |
| 7sealed | 503 | Fisher, Luke (1466) | Won 2-0 | +181499 |
| 8sealed | 477 | Watters, Samuel (1500) | Draw 1-1 | 01499 |
| 9sealed | 466 | Madison, Jamie (1497) | Won 2-0 | +181517 |
| top | average opponent: 1496record: 4-3-2 | new rating: 1517 | ||