Colbert, Brett
Current rating: 1447
| Grand Prix Columbus 2016 (legacy) | starting rating: 1434 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 224 | Spanier, Joe (1827) | Won 2-1 | +251459 |
| 2legacy | 268 | Stepp, Josh (1519) | Won 2-0 | +191478 |
| 3legacy | 333 | Dygert, Bobby (1538) | Lost 0-2 | -171461 |
| 4legacy | 438 | Walton, Kasey (1486) | Lost 1-2 | -171444 |
| 5legacy | 418 | Diesel, John (1450) | Won 2-1 | +181462 |
| 6legacy | 417 | Moran, Joshua (1590) | Lost 0-2 | -161446 |
| 7legacy | 538 | Moon, Trey (1496) | Won 2-0 | +191465 |
| 8legacy | 393 | Cassidy, Joseph (1462) | Lost 1-2 | -181447 |
| top | average opponent: 1546record: 4-4 | new rating: 1447 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 333 | Lyden, Sean (1464) | Lost 0-2 | -181428 |
| 2modern | 365 | Vilseck, Keith (1480) | Lost 0-0 | -171411 |
| 3modern | 663 | Cleaver, John (1479) | Won 2-1 | +191430 |
| 4modern | 627 | Vieira, Pedro (1481) | Lost 0-2 | -171413 |
| 5modern | 632 | Dafoe, Keith (1464) | Won 2-1 | +191432 |
| 6modern | 467 | Gerszewski, Gabriel R (1482) | Lost 0-2 | -171415 |
| 7modern | 444 | Lane, John (1460) | Won 0-0 | +191434 |
| 8modern | 338 | Sparkman, Dillon (1481) | Lost 1-2 | -171417 |
| 9modern | 318 | Hoyt, Matthew (1400) | Won 2-1 | +171434 |
| top | average opponent: 1466record: 4-5 | new rating: 1434 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 60 | Haley, Dustin J (1500) | Lost 0-2 | -181482 |
| 2modern | 330 | LIBERATORE, ANTHONY (1482) | Lost 1-2 | -181464 |
| 3modern | 403 | Lucas, Matt (1451) | Lost 0-2 | -181446 |
| top | average opponent: 1478record: 0-3 | new rating: 1446 | ||