Jamieson, Chris [USA]
Current rating: 1452
| Grand Prix Detroit 2013 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 65 | Petkoff, Drew (1554) | Lost 1-2 | -161451 |
| 2modern | 459 | Pena, Jason (1388) | Won 0-0 | +171468 |
| 3modern | 451 | Hickman, Shannon J (1499) | Won 2-1 | +181486 |
| 4modern | 309 | Richter, Brian (1518) | Lost 0-2 | -171469 |
| 5modern | 514 | Booker, James (1510) | Lost 0-2 | -171452 |
| top | average opponent: 1494record: 2-3 | new rating: 1452 | ||
| Grand Prix Chicago 2012 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 21 | Katt, Charles (1471) | Lost 1-2 | -181463 |
| 2modern | 336 | Apostle, Matthew J (1482) | Won 2-0 | +181481 |
| 3modern | 337 | Archdekin, Jamie (1650) | Lost 0-2 | -151466 |
| 4modern | 458 | Sanders, Richard A (1481) | Won 2-0 | +191485 |
| 5modern | 387 | Stears, Jason (1535) | Lost 1-2 | -181467 |
| top | average opponent: 1524record: 2-3 | new rating: 1467 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 56 | Vetter, Dustin (1500) | Won 2-1 | +181518 |
| 2modern | 59 | Knapp, Hans (1551) | Lost 0-2 | -171501 |
| 3modern | 258 | McWhorter, Justin (1464) | Won 2-0 | +171518 |
| 4modern | 207 | Wetzel, Bronson (1483) | Won 2-1 | +171535 |
| 5modern | 193 | Koppier, Benjamin (1545) | Lost 0-2 | -181517 |
| 6modern | 229 | Aliff, Erik (1515) | Lost 0-2 | -181499 |
| 7modern | 266 | Haurilla, Matthew A (1482) | Lost 0-2 | -181481 |
| top | average opponent: 1506record: 3-4 | new rating: 1481 | ||