Ross, Derek
Current rating: 1420
Record: 3-8
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 378 | Barta, Phillip (1500) | Won 2-0 | +191465 |
| 2modern | 112 | Jansen, Morgan (1474) | Lost 1-2 | -181447 |
| 3modern | 490 | Brownlee, Joshua (1501) | Lost 1-2 | -171430 |
| 4modern | 526 | Granstrom, Jesse (1484) | Won 2-1 | +191449 |
| 5modern | 368 | Boss, Brian (1694) | Lost 0-2 | -141435 |
| 6modern | 477 | McEachern, Charles (1451) | Won 2-1 | +191454 |
| 7modern | 411 | Mullins, Devin (1571) | Lost 0-2 | -161438 |
| 8modern | 381 | Joyall, Vincent (1432) | Lost 0-2 | -181420 |
| average opponent: 1513record: 3-5 | new rating: 1420 | |||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 476 | Weishaar, Ryan (1500) | Lost 0-2 | -181482 |
| 2modern | 516 | Madrid, Cullen (1481) | Lost 0-2 | -181464 |
| 3modern | 587 | Stevens, Preston (1466) | Lost 0-0 | -181446 |
| average opponent: 1482record: 0-3 | new rating: 1446 | |||