Jefferson, Bryan S
Current rating: 1459
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 199 | Goodman, Jason (1518) | Lost 1-2 | -181477 |
| 3sealed | 303 | Land, Jared (1436) | Lost 0-2 | -181459 |
| top | average opponent: 1477record: 0-2 | new rating: 1459 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 249 | Bell, Cody (1500) | Won 2-0 | +191472 |
| 2standard | 174 | Diaz, Isaac (1518) | Won 2-0 | +191491 |
| 3standard | 83 | Reynolds, Andrew (1518) | Draw 1-1 | 01491 |
| 4standard | 153 | Bessette, Jake D (1536) | Lost 0-2 | -171474 |
| 5standard | 276 | Phan, Tuan (1525) | Won 2-0 | +191493 |
| 6standard | 182 | Case, John T (1519) | Won 2-1 | +181511 |
| 7standard | 116 | Marshall, Tyler S (1594) | Lost 1-2 | -161495 |
| top | average opponent: 1530record: 4-2-1 | new rating: 1495 | ||
| Grand Prix Denver 2011 (MBS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 53 | Fennell, Christopher (1826) | Lost 1-2 | -121488 |
| 5sealed | 35 | Foley, Ethan (1504) | Lost 1-2 | -181470 |
| 6sealed | 81 | Colligan, Shane (1518) | Lost 0-2 | -171453 |
| top | average opponent: 1616record: 0-3 | new rating: 1453 | ||