Thornburg, Morgan
Current rating: 1427
Record: 1-5
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 337 | Skorik, Andrew (1500) | Lost 0-2 | -181482 |
| 2legacy | 394 | Babcock, Timothy (1482) | Won 2-0 | +181500 |
| 3legacy | 402 | Lewandoski, Kevin (1447) | Lost 0-2 | -191481 |
| 4legacy | 462 | Lindstrom, Duane (1482) | Lost 1-2 | -181463 |
| 5legacy | 492 | Deng, Steven (1464) | Lost 0-2 | -181445 |
| 6legacy | 402 | Mattei-Lownes, Joshua (1446) | Lost 0-2 | -181427 |
| average opponent: 1470record: 1-5 | new rating: 1427 | |||