Osborne, Derek
Current rating: 1451
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 333 | Berrones, Javier (1500) | Lost 1-2 | -171450 |
| 2modern | 504 | Hall, Kory (1418) | Won 2-0 | +171467 |
| 3modern | 545 | Koenecke, Thatcher (1570) | Lost 1-2 | -161451 |
| top | average opponent: 1496record: 1-2 | new rating: 1451 | ||
| Grand Prix Indianapolis 2015 (BFZ standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 57 | Griesman, Alex (1500) | Lost 0-2 | -171466 |
| 2standard | 351 | Kidd Jr, John (1533) | Won 2-0 | +191485 |
| 3standard | 256 | Vetter, Evan (1499) | Lost 0-2 | -181467 |
| top | average opponent: 1511record: 1-2 | new rating: 1467 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 478 | Filimonow, Jamie (1397) | Won 2-0 | +161516 |
| 2standard | 76 | Martin, Sam (1518) | Won 2-1 | +181534 |
| 3standard | 504 | Downing, Ian (1335) | Lost 1-2 | -211513 |
| 4standard | 301 | Ducolon, Evan (1518) | Lost 0-2 | -181495 |
| 5standard | 431 | Wu, Yu-Ta (1467) | Won 2-1 | +171512 |
| 6standard | 237 | Simon, Michael (1718) | Won 2-1 | +221534 |
| 7standard | 244 | Kibler, Brian (1760) | Lost 0-2 | -141520 |
| 8standard | 329 | Bench, Justin (1483) | Lost 1-2 | -191501 |
| 9standard | 312 | Lintz, Randy (1502) | Lost 1-2 | -181483 |
| top | average opponent: 1522record: 4-5 | new rating: 1483 | ||