Biederman, Brent
Current rating: 1447
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 149 | Sheidy, Darryl (1500) | Lost 0-2 | -181482 |
| 2standard | 398 | Bingham, William (1564) | Lost 0-2 | -171465 |
| 3standard | 700 | Collina, Benjamin (1464) | Lost 0-2 | -181447 |
| top | average opponent: 1510record: 0-3 | new rating: 1447 | ||
| Grand Prix Providence 2016 (KLD standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 292 | Gensollen, Jonathan (1522) | Lost 1-2 | -181500 |
| 2standard | 430 | Birish, Joseph (1514) | Lost 1-2 | -181482 |
| 3standard | 490 | Winzenried, Samantha (1411) | Won 2-0 | +171499 |
| 4standard | 388 | Howland, Robert (1484) | Won 2-0 | +171516 |
| 5standard | 287 | Jolin, Jonathan (1679) | Lost 1-2 | -151501 |
| 6standard | 439 | Farrar, Jake (1454) | Won 2-1 | +171518 |
| 7standard | 357 | Brown, Joshua (1482) | Lost 0-2 | -181500 |
| top | average opponent: 1507record: 3-4 | new rating: 1500 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 126 | Zung, Stacy (1510) | Won 2-0 | +181518 |
| 2sealed | 155 | Lodge III, James (1518) | Lost 0-2 | -181500 |
| 3sealed | 698 | Sonnier, Derek (1499) | Won 2-1 | +181518 |
| 4sealed | 484 | Hwang, Daniel (1520) | Won 2-0 | +181536 |
| 5sealed | 171 | Pedro, Michelle (1509) | Draw 1-1 | 01536 |
| 6sealed | 665 | Bartlett, Jake (1530) | Lost 0-2 | -181518 |
| top | average opponent: 1514record: 3-2-1 | new rating: 1518 | ||