Chamberlin, Gregory
Current rating: 1452
Record: 5-8
| Grand Prix Atlanta 2018 (modern) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 62 | Hayes, Zachary (1500) | Lost 0-2 | -181469 |
| 2modern | 442 | Driscoll, Jeremiah (1483) | Won 2-1 | +181487 |
| 3modern | 453 | Brinkman, Stuart (1581) | Lost 0-2 | -161471 |
| 4modern | 596 | Jamieson, Ryker (1412) | Lost 1-2 | -191452 |
| average opponent: 1494record: 1-3 | new rating: 1452 | |||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 12 | Whitehurst, Matthew (1500) | Lost 1-2 | -181482 |
| 2standard | 512 | Fallin, Crawford (1482) | Won 2-0 | +181500 |
| 3standard | 419 | Chu, Tony (1666) | Lost 1-2 | -151485 |
| 4standard | 491 | Corwin, Vincent (1484) | Lost 1-2 | -181467 |
| 5standard | 597 | Vestal, Tyler (1463) | Lost 1-2 | -181449 |
| 6standard | 556 | Cobun, Stephen (1445) | Won 2-0 | +181467 |
| 7standard | 493 | Clampitt, Anna (1465) | Lost 0-2 | -181449 |
| 8standard | 437 | Halavais, Arthur (1565) | Won 2-1 | +201469 |
| 9standard | 363 | Ogden, Sid (1465) | Won 2-1 | +181487 |
| average opponent: 1504record: 4-5 | new rating: 1487 | |||