Thornburg, Robert
Current rating: 1433
Record: 9-14
| Grand Prix New York 2016 (SOI standard) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 530 | Millman Jr, John (1500) | Lost 0-2 | -171445 |
| 2standard | 661 | Martin, Derek (1434) | Won 2-1 | +181463 |
| 3standard | 535 | Rindler, Jason (1500) | Lost 1-2 | -181445 |
| 4standard | 741 | Mercado, Manny (1482) | Won 2-1 | +191464 |
| 5standard | 630 | Abedin, Minhaj (1504) | Lost 0-2 | -171447 |
| 6standard | 641 | Abrahams, Rafi (1664) | Lost 1-2 | -141433 |
| top | average opponent: 1514record: 2-4 | new rating: 1433 | ||
| Grand Prix Providence 2011 (legacy) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 489 | Radchenko, Timofey V (1500) | Won 2-1 | +191458 |
| 2legacy | 458 | Idoux, Drew J (1472) | Won 2-1 | +181476 |
| 3legacy | 447 | Larivee, Matthew (1516) | Lost 0-2 | -171459 |
| 4legacy | 526 | Chitturi, Ashok (1495) | Won 2-1 | +191478 |
| 5legacy | 459 | Zirolli, Matthew (1542) | Won 2-0 | +191497 |
| 6legacy | 447 | Collett, Scott (1510) | Won 2-1 | +181515 |
| 7legacy | 440 | Zeimentz, Mike (1398) | Lost 0-2 | -201495 |
| 8legacy | 491 | Viola, Joe (1607) | Lost 0-2 | -161479 |
| 9legacy | 475 | Heilker, David (1535) | Lost 1-2 | -171462 |
| top | average opponent: 1508record: 5-4 | new rating: 1462 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 544 | Lekse, Jonathan (1500) | Won 2-0 | +191465 |
| 2legacy | 401 | Donovan, Kyle S (1488) | Won 2-0 | +191484 |
| 3legacy | 459 | Sullivan, Adrian (1686) | Lost 1-2 | -151469 |
| 4legacy | 554 | Wludyka, Joshua (1748) | Lost 0-2 | -131456 |
| 5legacy | 623 | Sharrock, Jimmy (1501) | Lost 0-2 | -171439 |
| top | average opponent: 1585record: 2-3 | new rating: 1439 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 287 | Boettcher, Jared (1515) | Lost 0-2 | -181482 |
| 2standard | 404 | Quade, Aaron (1481) | Lost 0-2 | -181464 |
| 3standard | 381 | Shumberger, Kurt (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1487record: 0-3 | new rating: 1446 | ||