Bolby, Gregory
Current rating: 1445
Record: 4-8
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 48 | Detert, Alex (1500) | Won 2-0 | +181492 |
| 2standard | 224 | Shockency, Alex (1518) | Lost 1-2 | -171475 |
| 3standard | 423 | Sulak, Andrew (1626) | Lost 1-2 | -151460 |
| 4standard | 470 | Monogue, Connor (1578) | Lost 0-2 | -161444 |
| 5standard | 512 | Weiss, Cody (1463) | Won 2-0 | +181462 |
| 6standard | 457 | Hubert, Chris (1484) | Lost 0-2 | -171445 |
| average opponent: 1528record: 2-4 | new rating: 1445 | |||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 175 | Willmon, Gabriel (1596) | Won 2-0 | +201520 |
| 2standard | 77 | Clark, Nathan (1517) | Won 2-1 | +181538 |
| 3standard | 226 | Linn, Ricky (1796) | Lost 0-2 | -141524 |
| 4standard | 470 | Thurman, Derek (1594) | Lost 0-2 | -161508 |
| 5standard | 432 | Hee, Jason (1501) | Lost 0-0 | -191489 |
| 6standard | 605 | Feng, Hans (1626) | Lost 0-2 | -151474 |
| average opponent: 1605record: 2-4 | new rating: 1474 | |||