Thurston, Jason
Current rating: 1469
Record: 4-6
| Grand Prix Chicago 2012 (modern) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 33 | Sowieja, Alex (1500) | Won 2-0 | +181521 |
| 2modern | 101 | Park, Greg (1512) | Lost 0-2 | -181503 |
| 3modern | 303 | Lamm, Chase (1617) | Lost 0-2 | -161487 |
| 4modern | 489 | Nett, Brad (1482) | Lost 1-2 | -181469 |
| average opponent: 1528record: 1-3 | new rating: 1469 | |||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 41 | Gaudard, Jason (1609) | Lost 1-2 | -161484 |
| 2legacy | 379 | Becerra, Patrick (1482) | Won 2-1 | +181502 |
| 3legacy | 259 | Mangels, James (1501) | Won 2-0 | +181520 |
| 4legacy | 199 | Fanjoy, Ben (1554) | Won 2-0 | +191539 |
| 5legacy | 144 | Pal, Carlos (1605) | Lost 0-2 | -171522 |
| 6legacy | 310 | Taylor, Dennis (1493) | Lost 1-2 | -191503 |
| average opponent: 1541record: 3-3 | new rating: 1503 | |||